#Metakaolin type
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creativeera · 2 months ago
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Green Cement: The Sustainable Alternative to Traditional Cement Production
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Green cement refers to cement produced through sustainable and environmentally friendly means. Traditional cement production involves quarrying, mining, and manufacturing processes that release harmful carbon emissions and pollute the air and water. In contrast, sustainable cement seeks to minimize these environmental impacts through the use of alternative raw materials and production technologies. Alternative Raw Materials One of the primary ways sustainable cement is produced is by substituting traditional raw materials like limestone with more sustainable alternatives. Industrial waste products like fly ash from coal power plants and slag from steel manufacturing are often used to partially replace limestone in sustainable cement. These industrial by-products would otherwise end up in landfills as waste. Using them in cement production diverts them from the waste stream while making better use of resources. Supplementary cementitious materials like rice husk ash and silica fume from silicon manufacturing are other common sustainable raw material substitutes. Low-Carbon Production Processes In addition to raw material substitutions, sustainable Green Cement production focuses on employing manufacturing methods that reduce carbon emissions. Traditional cement kilns rely on fossil fuels to heat ingredients to over 2500 degrees Fahrenheit, releasing large amounts of CO2. Sustainable cement production may utilize alternative fuels like waste wood or tires to reduce fossil fuel usage. Advanced kiln technologies like the suspension preheater can significantly lower energy demands and emissions during the calcining process compared to older dry-process kilns. Carbon capture and storage technology can also help trap and sequester emissions. Some innovative producers are developing carbon-neutral cement through the use of renewable energy or direct carbon mineralization during curing. Additives for Performance Enhancement Certain admixtures and mineral compounds are sometimes added to sustainable cement mixtures to enhance technical performance properties without compromising sustainability goals. Lignosulfonates from paper processing and hydroxycarboxylic acids are examples of commonly used organic additives that can improve workability, strength, and durability at low dosages. Metakaolin, a pozzolan derived from calcined clay, serves as a supplementary cementitious material and microsilica additive in some sustainable cement s, where its fine particles act as nucleation sites facilitating more complete hydration reactions. These types of additives allow producers to engineer sustainable cement blends with properties on par with or exceeding traditional varieties. Get more insights on Green Cement
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chanderpurgroup · 8 months ago
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Advanced Preheater Rotary Kiln for Sale in India
A preheater is a piece of equipment that extracts heat from the kiln gases to pre-heat the raw material before it is put into the kiln. In the Preheater, raw material is preheated to Calcination temperature. Rotary kilns are 7used to manufacture the following materials Titanium dioxide, Cement, Metakaolin, Vermiculite, Iron ore pellets, Lime, Refractories, etc.
Rotary kilns are classified into 5 types of kilns based on the materials processed and properties.
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Cement Kilns
A cement rotary kiln is a type of lime kiln that belongs to the category of building a variety of materials. They are primarily used to calcine cement clinker and are classified into two types: dry cement kilns and wet cement kilns. The cement rotary kiln works at high temperatures with heavy-loaded materials.
Clinker Kiln
Clinker is a crushed metal or ore generated by the high-temperature crystallization of a thick powder and a metal-rich powder. It is a low-energy device that is in high demand in the manufacturing industry. A clinker rotary kiln is a high-end piece of equipment that is exclusively designed for clinker.
Bauxite Rotary Kiln
Bauxite rotary kiln is widely used to create bauxite or aluminum. It is made up of a steel shell, a tire, a driving gear, a kiln hood, a kiln seal, and a burner pipe. It is specially designed to operate in large volume mode, which is used for the industrial level.
Shaft Kiln
A shaft kiln is a type of cylindrical kiln. Materials are fed into the kiln from the top and drained from the bottom. It is divided into three different processes based on temperature ranges: preheating zone, calcining zone, and cooling zone. It has the special properties of converting waste into useful material.
Lime Rotary Kiln
A lime rotary kiln is also known as a roller rotary kiln. The process of preparing a lime is easy and adaptive. High-temperature gases can be utilized in a vertical preheater to convert lime into an initial decomposition stage.
The main function of preheater rotary kiln
Construction materials for industries
Cement manufacturing
Chemical industries
Environmental safeguards
Cost-effective factors to consider for preheater rotary kiln.
Model
CPG offers a unique line of small and medium-capacity Rotary Kilns for a variety of applications across the world. CPG’s unique design and manufacturing expertise create high-quality, creative, and cost-effective solutions based on the needs of customers.
Quality
The price of a rotary kiln is directly proportional to its quality. High-quality equipment has advanced features and advanced technology that affects the cost of equipment. The best kiln body material is moderate carbon steel or alloy steel plate. Inferior steel is used as a low-cost kiln body material. It is ideal if you are looking for low-cost equipment that saves money.
Buy preheater rotary kilns at CPG.
CPG’s enhanced inlet and outlet sealing to reduce undesired air intrusion.
CPG will determine rates based on the current scenario, making it more reasonable for customers.
CPG (Chanderpur Group) offers a unique line of small and medium-capacity Rotary Kilns across the world.
Conclusion
In this piece of content, you will find the basic use and comprehensive guide before buying a preheater rotary kiln. At the industrial level, a rotary kiln is widely used, and you should be aware of which equipment works best for you. CPG provides a wide range of preheater rotary kilns at affordable prices; you can buy high-end products from there.
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adityabirlawhite · 1 year ago
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Efflorescence: What It Is and How to Stop It in White Cement
Efflorescence is when powdery mineral salts build up on concrete or mortar surfaces. It looks whitish and can appear like tiny whiskers. This happens when certain salts in water get into the concrete because of things like temperature changes, condensation, dew, or rain. It can happen quickly or over time, and it can make a nice wall look not so nice.
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White Cement: What and Where?
White cement is like a special type of cement that's as good as regular gray cement. It's often used on the outside of buildings because it lasts a long time.
Here are some cool things you can do with white cement:
Make really nice buildings that look amazing with different colors.
Create unique floors by mixing white cement with marble stuff.
Fix up floors with gaps so they look brand new.
Help with bathroom fixtures by filling gaps.
Stopping Efflorescence in White Cement
You can't completely get rid of efflorescence, but you can do some things to prevent it or lessen it. The main things that make efflorescence happen in white cement are certain salts, moisture, and how they move around. Here are some things you can do:
Use good ingredients and special materials that fight efflorescence when making the cement.
Mix the white cement and water just right to make the concrete strong and not too absorbent.
Use waterproof cement to keep out moisture.
Make sure the sand you use is clean and doesn't have extra stuff in it.
Add special stuff like fly ash or metakaolin to stop efflorescence.
Put something under the concrete to stop moisture from coming up.
Use sealants and coats to keep water out.
Getting Rid of Efflorescence from White Cement
First, find out why the efflorescence is there. Then, try these methods:
Use strong water jets to wash it away. Make sure the surface dries well afterward.
Brush it off with a stiff brush. If that doesn't work, scrub with clean water and rinse.
If it's really bad, use a weak acid solution. Be careful with strong acids. Apply it on a wet surface, wait a bit, and then rinse really well.
You can also use special coatings or a mix of warm water and white wine vinegar. Wash, apply, and wash again.
FAQs
Why does efflorescence happen in white cement? Efflorescence occurs when water with dissolved salts touches the surface, and when the water goes away, the salts stay behind.
How to avoid efflorescence in white cement? Use waterproof cement, reduce certain contents, use special materials, keep water levels low, and compact things well.
Can efflorescence be permanent? It might stop on its own, but if it keeps coming back, you should deal with it before it causes big problems.
Can you clean off efflorescence? Most of the time, yes. Brush or scrub it and rinse well.
What does waterproof cement do? It stops water from going from the outside to the inside, which helps prevent efflorescence and other problems. It's like building and waterproofing at the same time!
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reportsandmarkets · 7 years ago
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Metakaolin type and application, global and regional market overview 2017
Metakaolin type and application, global and regional market overview 2017
Metakaolin Market   Summary Metakaolin is a dehydroxylated form of the clay mineral kaolinite. Metakaolin is available in many different varieties and qualities. The purity will define the binding capacity for free lime. Some of them also provide special reactivity. For Full Report Click On…
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credibleauomotive · 2 years ago
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Metakaolin Market Comprehensive Research Study, Regional Growth, Business Top Key Players Analysis
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Global Metakaolin Market report emphasizes on the detailed understanding of some decisive factors such as size, share, sales, forecast trends, supply, production, demands, industry and CAGR in order to provide a comprehensive outlook of the global market. Additionally, the report also highlights the challenges impeding market growth and expansion strategies employed by leading companies in the “Metakaolin Market”.
Global Metakaolin Market research report analyzes top players in the key regions like North America, South America, Middle East and Africa, Asia and Pacific region. It delivers insight and expert analysis into key consumer trends and behavior in market place, In addition to an overview of the market data and key brands. It also provides all data with easily digestible information to guide every businessman’s future innovation and move business ahead.
Global Metakaolin Market Segmentation Analysis:
Major Players in Metakaolin market are: TSG Impex India Pvt Ltd Nanoshel WR Grace kaopozz Imerys SCR-Sibelco Golden Micro Chemicals HENAN XINYIZHONG FOOD Co ., LT D. BASF HUBEI PROSPERITY GALAXY CHEMICAL CO,.LTD Sika Most important types of Metakaolin products covered in this report are: 20μm Most widely used downstream fields of Metakaolin market covered in this report are: Infrastructure Works Buildings Construction Artifacts Others
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Metakaolin Market, By Geography:
The regional analysis of Metakaolin market is studied for region such as Asia pacific, North America, Europe and Rest of the World. The North America is one of the leading region in the market due to numerous cross industry collaborations taking place between automotive original equipment manufacturers and mobile network operators (MNOs) are taking place for continuous internet connectivity inside a car to enhance the user experience of connected living, while driving. Asia-Pacific region is one of the prominent player in the market owing to large enterprises and SMEs in the region are increasingly adopting Metakaolin solutions.
Some Points from Table of Content
Global Metakaolin Market 2022 by Company, Regions, Type and Application, Forecast to 2030
1 Metakaolin Introduction and Market Overview
2 Industry Chain Analysis
3 Global Metakaolin Market, by Type
4 Metakaolin Market, by Application
5 Global Metakaolin Consumption, Revenue ($) by Region (2018-2022)
6 Global Metakaolin Production by Top Regions (2018-2022)
7 Global Metakaolin Consumption by Regions (2018-2022)
8 Competitive Landscape
9 Global Metakaolin Market Analysis and Forecast by Type and Application
10 Metakaolin Market Supply and Demand Forecast by Region
11 New Project Feasibility Analysis
12 Expert Interview Record
13 Research Finding and Conclusion
14 Appendix 
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annieboltonworld · 4 years ago
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Juniper Publishers- Open Access Journal of Environmental Sciences & Natural Resources
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Characterization, Classification and Evaluation of Groundwater in and around the Open Cast Mining of Clay Deposits of Thonnakkal, South India
Authored by Joji VS
Abstract
Characterization, classification, and evaluation of groundwater in and around the open cast mining of clay deposits of Thonnakkal, South India have been studied. The impact studied include changes happened to the qualitative and quantitative aspects related to the ground water. It is found that changes occurred in depth to the water level (decline of water level), lowering pH of ground water in the area, high sulfate and trace metals in the ground water. The groundwater of the area comes under Na+-HCO3- type and shallow meteoric percolation type and the scatter diagram of Ca2+ +Mg2+ vs HCO3 - + SO42- revealed that majority of samples in the season and different geological terrain fall below the equiline, indicating that silicate weathering was the primary process involved in the evolution of groundwater. The rock -water interaction played a major role in the evolution of water chemistry, which was partly by an evaporation process. The qualitative analysis of ground-water samples found that many samples are unfit for both domestic and irrigational purposes.
Keywords: Hydrochemistry; pH; Electrical conductivity; Suitability; Calcium concentration; Total hardness
Introduction
Population explosion coupled with industrialization over the past many years has increased a tremendous pressure on our natural resources resulting in rapid exploitation of our mineral resources. Local residents of the study area alleging that the mining continues to contaminate water resources and leads to an increase in the number of cancer patients in the locality. Detailed hydrogeological survey was carried out to evaluate the ground water scenario of the clay mining areas located in Azhoor, Mangalapuram and Andoorkonam Panchayaths of Thiruvananthapuram district to know the general ground water scenario of ground water reservoirs both quantitative and qualitative aspects viz. pre and post monsoon depth to water level and its fluctuation, flow direction, quality deterioration of sub-surface water, EIA of open cast clay mining on ground water conditions.
Mining hydrogeological studies were carried out by many authors viz. Stoertz et al. [1] on long-term water quality trends at a sealed, partially flooded underground mine, Alexander [2] on environmental impact of deep opencast limestone mine in Laegerdorf, Northern Germany, Suraj et al. [3] on GIS approaches for sustainable mining of tile and brick clay, Parappukara Panchayath, Thrissur district, Kerala, Anon [4] on environmental impact of clay mining for tile and brick industries in Thrissur District, Kerala using Remote Sensing and GIS and many others. The purpose of this investigation is to examine the various changes occurred in the hydrogeological ecosystem in and around Thonnakkal, Thiruvananthapuram District, South India due to of open cast mining of clay deposits.
Study Area
The Thonnakkal belt of the Kaolinised china clay is situated at Melthonnackal (8o38”05”:76°51’22”), Azhoor (8°38’31”:76°49’29”), Pallippuram (8°35’30”: 76° 51’30”), Chilampil (8°37’00”:76°50’00”) and Sasthavattam (8°38’45”:76°49’30”) areas. The English Indian Clays Ltd., Thiruvananthapuram operates a China clay mine since 1966 around Thiruvananthapuram, where the processing plant produces several grades of refined Kaolin, Metakaolin and Calcined Kaolin (Clays) for the paper, paint, rubber, plastic, fiberglass, cement and ultra-marine industries and the plant has a capacity of 190, 000 metric tons per annum and is the largest in South East Asia. The area lies between 76o 43' 21” and 77 o 12' North latitudes and 8 o 32' East and 8 o 53’34” longitudes and falls in parts of Survey of India Toposheet D/14 (Figure 1). Physiographically the study area falls mainly in the lowland (elevation between msl and 7.6 magl) and midland (elevation between 7.6 and 76 magl) areas of Trivandrum district of Kerala. The main drainages in the study area are the Vamanapuram River and its tributaries. The coastal alluvial soil, riverine alluvial soil and lateritic soil are the soils of the study area. The land use of the area includes open scrub, mixed crops, rubber plantations, paddy fields and water bodies. The study area is generally occupied by Precambrian crystalline rock overlain unconformably by a thick sequence of the Warkali Formation of Miocene age. The regional geological setting of the area is compiled (Table 1).
Materials and Methods
The Survey of India Topographical Map (Scale 1:50,000 of 1967-1968), Geo-coded imageries of Indian Remote Sensing Satellite (IRS -IC LISS III False Color Composite - FCC of 7.02.1997 of 1:50,000 scale) and Aerial photographs (of 1990 of 1:15,000 scale) are used for the preparation of base map of the study area. Major ground control points (GCPs) were identified and verified during field truth, which resulted in modifying the units and their boundaries. Map Info 6.5 has been used in GIS studies. The scanned maps were digitized and edited using Map Info 6.5. During editing the segment checking like intersection, self-overlap and dead-end corrections were carried out. Projection and polygonization of units followed the editing. After polygonization, annotations were given for different polygons and the maps were subjected for further analysis.
There were 10 groundwater samples collected from open dug wells. The pre monsoon samples (First week of May, 2014) were collected in polyethylene bottles in 2014 and analysed for pH, EC, F-, Cl-, NO3-, HCO3-, SO42-, Ca2+, Mg2+, Na+, and K+ as per standard procedures (APHA, 1995) and the in situ measurement of electrical conductivity and pH carried out by using EC and pH meters. The total dissolved solids were estimated by ionic calculation methods. The F-, Cl- and NO3- ions were determined by ion selective electrode; HCO3- by potentiometric titration; SO42- by modified titration method after Fritz and Yamamura (1955) and Haartz et al. [5] Ca2+ and Mg2+ in absorption mode while Na+ and K+ in emission mode of the atomic absorption spectrophotometer. Chemical standards and blanks were run and replicate analysis of each sample was done for each parameter and variations were ±5 - 10%. The analytical results are shown as Tables 2a & 2b.
Results and Discussion
Aquifer Systems
Groundwater occurs in all the geological formations ranging in age from Archean to the Recent and water bearing formations in the area are crystalline formations, Laterite, Tertiaries and Alluvium. The crystalline formations consist of Khondalites and Gneisses. The water bearing properties of crystalline formations which lack primary porosity depend on the extent of development of secondary inter granular porosity either through weathering or fracturing. Groundwater generally occurs under phreatic conditions in the weathered mantle and under semi confined conditions in the fissured and fractured zones at deeper levels. The thickness of weathered zone ranges less than 1m to more than 15m and the depth to the water level from 1015 mbgl.
Major portion of the study area is covered by laterites, the thickness of which increases from East to West. This includes the Tertiary laterites and the laterite occurring as highly weathered product of crystallines capping it. In crystalline formations the water bearing properties depend on the extent of development of secondary porosity either through weathering or fracturing. These aquifers are highly heterogeneous in nature due to variation in lithology and texture even within short distance. The in situ laterite development by the weathering of Khondalites in the study area is rich in clay content due to higher amount of feldspathic minerals in the parent rock. These aquifers mainly occur along the valleys and topographic lows and possess high porosity. The depth of the well in laterite ranges from 8 to 27 mbgl and depth to the water level is more than 10 m. By the onset of monsoon, the water level becomes shallow due to the porous nature of the aquifer. The thickness of weathered zones ranges from less than 1 m to more than 10 m. The yield of the well ranges from 0.5 to 6 m3/day and the recovery co-efficient ranges from 0.00096 to 0.025/min.
Groundwater occurs under phreatic condition in the shallow zone in Tertiary aquifers. Of the three tertiary formations (Warkali, Quilon and Vaikom), the Warkali beds are encountered in this area. Thick deposits of kaolin having an overall thickness of 25 to 45 m are encountered at Melthonnakkal and Pallipuram forming part of the Warkali Formation belonging to the Tertiary sequence in southern Kerala. The sedimentary clays are composed mainly of kaolinite, quartz and gibbsite. These sedimentary kaolins (hydrated aluminous silicate, Al2O3. SiO2.2H2O) are considered to have been formed by intense tropical weathering of the khondalites, and subsequently transported and deposited with high organic input into lakes near the weathering crust over the basement rock. Besides, the surficial parts of the sedimentary deposits are extensively lateralised with the formation of Goethite and Hematite by tropical weathering processes.
The thickness of the clay bed varies from 25 to 45 mbgl and is encountered in almost all the bore wells drilled in the area. The aquifer properties of clay include Grain size (< 0.002), Porosity (33-60), Specific Yield (2 to 5%) and Permeability (10-9 to 10-6 K cm/s). These properties of clay suggest that it is a poor aquifer and by large an aquitard with very low groundwater potential. The field survey in the area reveals that groundwater occurs under phreatic conditions in these Tertiary sediments. The premonsoon depth to water level ranges from 3.1 mbgl to 27.75 m bgl.
Maps depicting the depth to water level in the study area during April 2010 (Premonsoon) and November 2010 (Post monsoon) based on the water level data of the key wells established and the observation wells of CGWB are shown in Figures 2 & 3 respectively. During April 2010, the depth to water levels in wells of the study area ranged from 3.1 mbgl to 27.75 mbgl and the depth of well ranges from 6.0 to 29 mbgl. The deepest water levels were observed in Mangalapuram, Sasthanagar, Chilambil, Sasthavattom, Pallipuram, Karamoode areas. During November 2010, the depth to water levels in wells of the study area ranged from 3.04 to 25.9 mbgl. The deepest water levels were observed in Mangalapuram, Sasthanagar, Chilambil, Sasthavattom, Pallipuram, Karamoode areas. The yield of wells ranges from 0.5m3/day to 10m3/day and the recovery co-efficient ranges from .00056 to 0.0087/min.
Alluvium is the most potential phreatic aquifer in the study area and is extensively developed by dug wells and filter point wells. The depth to water level in this formation ranges from 1.89 to 3.04 m. The depth of wells ranges from 3.66 to 7.55 mbgl. The yield of the shallow dug wells ranges from 15 to 50 m3/day and the recovery co-efficient varies between 0.0093 and 0.094/ min.
Water Table Elevation
The elevation of ground water table during the period ranged from 7.75 above msl to 63.44 above msl. The flow lines from east to west indicate that the general hydrogeological regime is undisturbed except around the clay mines. A ground water trough has been formed around the clay mines indicating a reversal of hydraulic gradient. The deeper water level in the vicinity of the clay mines is the localized effect of the mines. The general hydraulic gradient is towards west in general. The closely spaced contours around the clay mines is indicative of a potential recharge zone underlying clay formation which is an aquitard inhibits any sort of recharge except for the construction of injection wells to penetrate the weathered zone encountered at a depth below 40 metres. The hydrogeological map and water table elevation contour maps of the area have been prepared (Figures 4 & 5).
Analysis of Hydrograph
An analysis of depth to the water level has been carried out to understand the influence of lithology on water level. The hydrograph of the well at Korani tapping the Laterites show a decline trend in the premonsoon and post monsoon periods (Figure 6).
Hydrochemistry and Hydro Geochemical processes of Ground Water
The groundwater samples of different geological terrains can be classified on the basis of ionic strength of Cl- , SO42-, and HCO3- and the water is Normal Chloride type if Cl- is <15 meq/l, Normal Sulphate type if SO42- is <6 meq/l and Normal Bicarbonate type if HCO3- varies between 2 and 7 meq/l. The ground water samples of the study area are of Normal Chloride type and Normal Sulphate type and concentration of salts in natural waters depends on the geology, environment, and movement of water Raghunath [6], Gopinath Seralathan [7](Tables 3 & 4).
The Base Exchange indices, r1 (r1 = Na+ - Cl-/ SO42- meq/ l) and meteoric genesis index (r2) (r2 = K+ + Na+ - Cl- SO42-, meq/l) can be used for classifying groundwater Soltan [8]. The groundwater can be grouped as Na+ - HCO3- type if r1 > 1 and Na+- SO4 - type with r1 < 1; r2 < 1- groundwater is of deep meteoric percolation type and >1, shallow meteoric percolation type. The groundwater samples of the Thonnakkal area comes under Na+-HCO3- type and shallow meteoric percolation type except one which is deep meteoric percolation type and the details are plotted (Figures 7 & 8).
Red -Good correlation (r=> 0.6)
Yellow - Poor correlation (r = x003;0)
Hydro geochemical Evaluation of ground water
The Na+ / Cl- molar ratio will be 1 if halite dissolution is responsible for sodium dominance in groundwater and >1 if Na+ is released from silicate weathering process Meybeck [8,9]. As the Na+ / Cl- molar ratio is <1 in all samples of the season except at sample location No.2 (Abandoned Quarry), reveals that halite dissolution was the primary process responsible for the release of Na+ into the groundwater.
The study of Ca2+ / Mg2+ ratio reveals Ca2+ - Mg2+ contribution in the groundwater. The Ca2+ / Mg2+ ratio of 1 indicates dissolution of dolomite and of >2 an effect of silicate minerals May & Loucks [10]. Majority of the samples with Ca2+ / Mg2+ ratio between 1 and <2, indicating dolomite dissolution responsible for Ca2+ - Mg2+ contribution. The scatter diagram of Ca2+ + Mg2+ vs. HCO3- + SO42- (Figure 9) shows that majority of samples fall below the equiline, indicating that silicate weathering played primary role in the evolution of groundwater Datta & Tyagi [11]. If bicarbonate and sulphate are dominating than calcium and magnesium, it reflects silicate weathering was dominating and, therefore, was responsible for the increase in the concentration of HCO3- in groundwater, Elango et al. [12], Elango & Kannan [13].
Evolution of Groundwater and Hydro Chemical Facies
(# Concentration, meq/l)
The evolution process of the groundwater tested by plotting TDS vs. Na+ /(Na+ +Ca2+ ) for cations and TDS vs. Cl- /(Cl- + HCO3- ) for anion Gibbs [14] and revealed that rock - water interaction played significant role in the hydrochemistry, which was partly influenced by evaporation process (Figures10a & 10b). It is also to be noted that geological location is another factor controlling quality variation Beck et al. [15]. The evolution of groundwater chemical composition further tested by calculating chloroalkali indices for cations (CAI-1- Cl- - (Na+ + K+) Cl-) and anions (CAI-2 - Cl- - (Na+ + K+)/(SO42- + HCO3- + CO3- + NO-) after Schoeller [16]. The chloroalkali indices are negative indicating the predominance of ion exchange between Na+ -K+ in water and Ca2+ -Mg2+ in rocks McIntosh & Walter [17]. A close perusal of hydro chemical facies and water type study Chadha (1999) is compiled (Table 5).
Statistical analysis - correlation coefficient
The relationship between two variables is the correlation coefficient which shows how one variable predicts the other. Associated with correlation coefficient r, the multiple correlations, which are the percentages of variance in the dependent variable, explained collectively by all of the independent variables. A high correlation coefficient (near 1 or -1) means a good relationship between two variables, and a correlation coefficient around zero means no relationship. Positive values of r indicate a positive relationship while negative values indicate an inverse relationship and are compiled (Table 6). The correlation coefficient is a measure of the extent to which two measurement variables vary together. Unlike the covariance, the correlation coefficient is scaled so that its value is independent of the units in which the two measurement variables are expressed. The value of any correlation coefficient must be between -1 and +1 inclusive. The parameters having good and poor correlations have been attempted.
Suitability of ground water for Irrigation purposes
The irrigation suitability of ground water has been tested by using various methods (Table 5), methodology and analytical results are compiled (Tables 6 & 7). The electrical conductivity (EC) is a measure of salinity hazard to crops and there are of five major types for irrigational purposes (Raghunath (1987) and the samples in the area varies from excellent (50%) to good categories. The Sodium Absorption Ratio, SAR is an indicator of sodium hazard in irrigation water Gholami & Srikantaswamy [18] and all the water samples are excellent category Richard [19]. The per cent sodium (% Na) in irrigation water may increase the exchange of sodium content and affect soil permeability, structure and create toxic condition for plants Bangar et al. [20], Durfer & Backer [21] and Todd [22]. The % Na study revealed that samples come under permissible (70%), doubtful (20%) and other unsuitable categories and cannot be used for irrigation on almost all types of soil. On the basis of permeability index, PI Doneen [23] irrigation water quality classes include class I, II and III and all the samples come under Class II and suitable for irrigation in all types of soil.
The water is suitable for irrigation if Kelley's Index, KI value is <1; water with KI value of >1 is considered as of poor quality for irrigation and >2 KI makes the water unsuitable for irrigation Kelley [24]. In the study area about 70% KI values are above 1, and the water is poor quality for irrigation and 30% unsuitable for irrigation in all types of soil. Water with less than or equal to 50 Soluble Sodium Percentage, SSP value is of good quality and more than 50 is not suitable for irrigation as permeability will be very low. In the study area 60% of the water samples with SSP values more than 50. As per Lloyd and Heathcoat [25] water with less than or equal to 50 Magnesium ratio, MR value is of good quality and >50 is considered unsuitable for irrigation and except two water samples others with MR value more than 50 and are unsuitable for irrigation.
Variations in pH, Sulphate and Heavy Metal concentrations
The open cast mining in the area resulted rapid circulation of oxygen and water into the deep crust, where high concentrations of sulphides (Pyrite) exist. Thus, sulphides undergo the reaction.
2FeS2 + 2H2O + 7O2 = 2Fe2+ + 4SO42- + 4H+
This reaction developed low pH, high sulphate and trace metal concentrations. The chemical analysis of the ground water samples collected in the study area show low pH side indicating a mine environment similar to the above mentioned category [26-29]. The Pyrite present in the deep clay horizon gets exposed resulting in its oxidation and the end products being sulphate and hydrogen ions. The pyrite is present in the depth range of 35 to 40 mbgl. Hence ground water from deep wells puncturing this horizon generally has low pH value. The chemical data shows that the ground water collected from Mangalapuram, Chilambil, Sasthanagar and Valikonam have low pH [30-33]. It was also observed that the depth of these wells were also very deep (> 25 mbgl). The pH contours are depicted (Figure 11).
The general chemical reactions involved are
2FeS2 + 2H2O + 7O2 = 2Fe2+ + 4SO42- + 4H+
4Fe2+ + O2+ 4H+= 4Fe3+ + 2H2O
4Fe3+ + 12H2O = 4Fe (OH)3 + 12H+
FeS2 + 14Fe3+ + 8H2O = 15Fe2+ + 2SO42- + 16H+
The reactions indicate release of H+ which lowers the pH of the ground water of the area and produces sulphate ions. The field truth verification in the open cast mining areas of clay mining revealed the marked changes in the hydrogeological, agricultural and socio-economic environments of the area. The various impact include decline of depth to the water table in wells or changes in hydro geologic conditions in areas adjacent to the mining sites, thixotropism resulted land subsidence, sliding / slumping of walls of mines and well collapse, reversal of hydraulic gradient, inducing increased flow of ground water from the aquifer into the mines, causing deepening of water levels, drying up of shallow wells and reduction in the sustainability of ground water abstraction structures. Water quality deterioration resulted in the lowering of pH values and many areas water unsuitable for cultivation, reclamation and conversion of these wetlands to non-agricultural purposes has resulted transformation of this ecosystem, changes in landscape, land stability and soil loss especially areas of Mangalapuram, Andoorkonam, Azhoor and Sasthavattom and atmospheric pollution in the area.
Conclusion
Characterization, classification and evaluation of groundwater in and around the Open cast mining of clay deposits of Thonnakkal, South India have been examined. The general hydrogeological scenario has been identified during the study The opencast mining of clay deposits resulted lowering of depth to the water level, topographic changes and general changes in biodiversity. The groundwater of the area comes under Na+- HCO3- type and shallow meteoric percolation type except a few one which is deep meteoric percolation type. The rock water interaction played major role in the evolution of water chemistry, which was partly by evaporation process. The mining resulted low pH, high sulphate and trace metal concentrations in the ground water in and around the Thonnakkal clay belt. It is seen that the water quality is degrading very fast in the study area.
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mshafali35 · 5 years ago
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Metakaolin Market Size 2025 – Global Industry Sales, Revenue, Price trends and more |BASF, Imerys, I-Minerals
Metakaolin
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"Metakaolin Market Trends, In-Depth Research on Market Size, Emerging Growth Factors, Global 2019 Trends and Forecasts 2027
The report gives an outline of the Metakaolin Market with point by point advertise division by item type, application, and geology. The worldwide market is required to observe high development during the conjecture time frame. The report gives key insights of the major Metakaolin industry players and offers key patterns and openings in the market.
The report likewise incorporates the profiles of key organizations alongside their SWOT examination and market methodologies in the Metakaolin market. What's more, the report centers around driving industry players with data, for example, organization profiles, parts and administrations offered money related data of the most recent 3 years, the key advancement in the previous five years.
Top Key Players:- BASF, Imerys, I-Minerals, SCR-Sibelco, Thiele Kaolin, Burgess, Poraver, Advanced Cement Technologies, KERAMOST, Arciresa, Metacaulim, Yukun Minine, MMK, Jinyu Kaolin Chemical, Jinyang Kaolin,
This Market Report Segment by Type: <2μm, 2~10μm, 10~20μm, >20μm,
This Market Report Segment by Applications: Infrastructure Works, Commercial, Industrial and Residential Buildings, Artifacts, Others,
Get Sample Copy of this Report at – https://www.alexareports.com/report-sample/306966
The Metakaolin market is developing at an economical rate inferable from variables, for example, headways in this industry over the globe and rising interest of the items among buyers. Moreover, the utilization of market is developing at a huge pace all around the world, which, further lift the development of the Metakaolin industry. Be that as it may, unstable crude materials costs are the main consideration limitation the development of the market over the gauge time frame.
Reason to Buy
Save and reduce time carrying out entry-level research by identifying the growth, size, leading players and segments in the global Metakaolin market
Highlights key business priorities in order to assist companies to realign their business strategies.
The key findings and recommendations highlight crucial progressive industry trends in the Metakaolin market, thereby allowing players to develop effective long term strategies.
Develop/modify business expansion plans by using substantial growth offering developed and emerging markets.
Scrutinize in-depth global market trends and outlook coupled with the factors driving the market, as well as those hindering it.
Enhance the decision-making process by understanding the strategies that underpin commercial interest with respect to products, segmentation, and industry verticals.
The report analyzes factors affecting the Metakaolin industry from both demand and supply side and further evaluates market dynamics affecting the market during the forecast period i.e., drivers, restraints, opportunities and future trend. The report also provides exhaustive PEST analysis for all five regions namely; North America, Europe, APAC, MEA and South America after evaluating political, economic, social and technological factors affecting the Metakaolin market in these regions.
Table of Contents:
Introduction
Key Takeaways
Research Methodology
Market Landscape
Key Market Dynamics
Global Market Analysis
Revenue and Forecasts to 2027 – Product Type
Revenue and Forecasts to 2027 – Application
Revenue and Forecasts to 2027 – Compound
Revenue and Forecasts to 2027 – Geographical Analysis
Industry Landscape
Metakaolin Market, Key Company Profiles
Appendix..
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deepgreenfutures-blog · 6 years ago
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Environmentally Friendly Concrete from Industrial Waste
New Post has been published on http://www.deepgreenfutures.com/2018/11/03/environmentally-friendly-concrete/
Environmentally Friendly Concrete from Industrial Waste
Environmentally friendly concrete from industrial waste is as strong as traditional
From Phys.org, Nov. 1, 2018, Kaunas University of Technology
Scientists at Kaunas University of Technology (KTU), Lithuania are developing methods for producing concrete without cement, using fly ash, an industrial waste product. The final product is as strong as traditional concrete, is more resilient to damaging effects of acid, and more stable in cases of exposure to extreme heat and cold.
In order to produce one metric ton of Portland cement, a basic ingredient of concrete and the most commonly used type of cement around the world, up to one ton of carbon dioxide (CO2) is released. It is estimated that the global cement industry is responsible for 7 percent of yearly carbon dioxide emissions into the atmosphere. Aiming to reduce the concrete industry’s negative impact on the environment, KTU researchers have been investigating methods of substituting Portland cement with other materials.
“At first, the idea that concrete can be produced without using cement seemed radical. Now, after several years of intensive work, we successfully developed alkali-activated concrete, with compressive strength of 55 MPa (the same as in conventional concrete). Instead of Portland cement, we are using alkali-activated industrial waste products—fly ash, biofuel bottom ash, AlF3 production waste—silica gel etc.,” says Vytautas Bocullo, researcher at KTU Faculty of Civil Engineering and Architecture.
According to the researcher, the biggest advantage of this type of binder is that in its production, a great amount of industrial waste containing an active form of silicon and aluminum compounds can be used. Theoretically, any material containing silicon and aluminum compounds could be used, such as blast furnace slag or metakaolin, material derived from modification of clay mineral kaolinite.
Aiming to reduce the negative concrete industry’s impact on the environment, KTU researchers have been investigating methods of substituting Portland cement with other materials. Credit: KTU
Treated with a special alkaline solution, these materials start melting and binding similarly to traditional cement. Depending on the composition, the final product can be either geopolymer or alkali-activated material. Alkali-activated concrete is much more resilient to the effects of fire and acid. Also, due to its higher pH, this concrete protects armature against corrosion.
Bocullo maintains that alkali-activated concrete can be used instead of traditional concrete in many fields, and is becoming a globally popular alternative to traditional concrete. By properly preparing raw materials and the activating solution, such concrete solidifies at the usual temperature. However, in order to produce this type of concrete in a cost-efficient manner, local materials are best.
“We are trying to use waste materials from local industry, such as aluminum fluoride production waste—silica gel and biofuel ash. The preparation of the substance depends on the material itself. For example, fly ash of coal can be used immediately, but the biofuel ash need to be ground up to the fineness of the cement. In order to improve the qualities of the final product, several substances can be mixed, but before that, their chemical composition and additives need to be investigated for their impact on the environment and on the compressive strength of the concrete,” says Bocullo.
Source: https://phys.org/news/2018-11-environmentally-friendly-concrete-industrial-strong.html#jCp
Provided by: Kaunas University of Technology
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riyasharma24mr-blog · 6 years ago
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Global Metakaolin Sales Market Report 2018 - 24 Market Reports
[2018 Updated Market Report] Global Metakaolin Sales Market Report 2018
Sahil Sharma's insight:
This report studies the global Metakaolin market status and forecast, categorizes the global Metakaolin market size (value & volume) by key players, type, application, and region. This report focuses on the top players in North America, Europe, China, Japan, Southeast Asia India and Other regions (Middle East & Africa, Central & South America).
Metakaolin
Metakaolin is a dehydroxylated form of the clay mineral kaolinite. Metakaolin is available in many different varieties and qualities. The purity will define the binding capacity for free lime. Some of them also provide special reactivity.
Download FREE Sample of this Report @ https://www.24marketreports.com/report-sample/global-metakaolin-sales-market-report-2018
Currently, some companies in the world can produce metakaolin product, mainly concentrating in USA and Europe. The main market players are BASF, Imerys, I-Minerals, SCR-Sibelco, Thiele Kaolin, etc. The production of metakaolin increased from 219 K MT in 2011 to 268 K MT in 2015, with an average growth rate of 4.47%.
In consumption market, the growth rate of global consumption is smooth relatively. USA and Europe are still the mainly consumption regions due to the advanced production technology and rapid development of economy.
Metakaolin differs from other supplementary cementitious materials like fly ash, slag or silica fume, in that it is a not a by-product of an industrial process; it is manufactured for specific purpose under controlled conditions. It can be widely used in ceramics, construction, refractories, foundry, frits, fiberglass, glass wool, ceramic fiber, adhesives, plastics, rubber, etc. Survey results showed that infrastructure works is the major consumption of metakaolin with the market share of 49.62% in 2015. With the development of economy, these industries will need more metakaolin. So, metakaolin has a huge market potential in the future.
The major raw material for metakaolin is kaolin. On the global market, supply of raw materials is full. Fluctuations in the price of the upstream product will impact on the production cost of metakaolin industry.
We tend to believe this industry is a promising industry, and the consumption increasing degree will show a smooth growth curve. For product prices, the slow downward trend in recent years will maintain in the future as competition intensifies. Besides, prices gap between different brands will go narrowing gradually. Also, there will be fluctuation in gross margin.
The global Metakaolin market is valued at 110 million US$ in 2017 and will reach 170 million US$ by the end of 2025, growing at a CAGR of 4.9% during 2018–2025.
The major players covered in this report
BASF
Imerys
I-Minerals
SCR-Sibelco
Thiele Kaolin
Burgess
Poraver
Advanced Cement Technologies
KERAMOST
Arciresa
Metacaulim
Yukun Minine
MMK
Jinyu Kaolin Chemical
Jinyang Kaolin
Geographically, this report studies the key regions, focuses on product sales, value, market share and growth opportunity in these regions, covering
United States
Europe
China
Japan
Southeast Asia
India
We can also provide the customized separate regional or country-level reports, for the following regions:
North America
United States
Canada
Mexico
Asia-Pacific
China
India
Japan
South Korea
Australia
Indonesia
Singapore
Rest of Asia-Pacific
Europe
Germany
France
UK
Italy
Spain
Russia
Rest of Europe
Central & South America
Brazil
Argentina
Rest of South America
Middle East & Africa
Saudi Arabia
Turkey
Rest of Middle East & Africa
On the basis of product, this report displays the production, revenue, price, market share and growth rate of each type, primarily split into
2m
2~10 m
10~20m
20m
On the basis on the end users/applications, this report focuses on the status and outlook for major applications/end users, sales volume, market share and growth rate for each application, including
Infrastructure Works
Commercial, Industrial and Residential Buildings
Artifacts
Other
The study objectives of this report are:
To analyze and study the global Metakaolin sales, value, status (2013–2017) and forecast (2018–2025);
To analyze the top players in North America, Europe, China, Japan, Southeast Asia and India, to study the sales, value and market share of top players in these regions.
Focuses on the key Metakaolin players, to study the sales, value, market share and development plans in future.
Focuses on the global key manufacturers, to define, describe and analyze the market competition landscape, SWOT analysis.
To define, describe and forecast the market by type, application and region.
To analyze the global and key regions market potential and advantage, opportunity and challenge, restraints and risks.
To identify significant trends and factors driving or inhibiting the market growth.
To analyze the opportunities in the market for stakeholders by identifying the high growth segments.
To strategically analyze each submarket with respect to individual growth trend and their contribution to the market
To analyze competitive developments such as expansions, agreements, new product launches, and acquisitions in the market
To strategically profile the key players and comprehensively analyze their growth strategies.
In this study, the years considered to estimate the market size of Metakaolin are as follows:
History Year: 2013–2017
Base Year: 2017
Estimated Year: 2018
Forecast Year 2018 to 2025
For the data information by region, company, type and application, 2017 is considered as the base year. Whenever data information was unavailable for the base year, the prior year has been considered.
Key Stakeholders
Metakaolin Manufacturers
Metakaolin Distributors/Traders/Wholesalers
Metakaolin Subcomponent Manufacturers
Industry Association
Downstream Vendors
Available Customizations
With the given market data, We offers customizations according to the company’s specific needs. The following customization options are available for the report:
Regional and country-level analysis of the Metakaolin market, by end-use.
Detailed analysis and profiles of additional market players.
Get the Complete Report & TOC @ https://www.24marketreports.com/chemicals-and-materials/global-metakaolin-sales-market-report-2018
Table of content
Global Metakaolin Sales Market Report 2018 1 Metakaolin Market Overview 1.1 Product Overview and Scope of Metakaolin 1.2 Classification of Metakaolin by Product Category 1.2.1 Global Metakaolin Market Size (Sales) Comparison by Type (2013–2025) 1.2.2 Global Metakaolin Market Size (Sales) Market Share by Type (Product Category) in 2017 1.2.3 ?2?m 1.2.4 2~10?m 1.2.5 10~20?m 1.2.6 ?20?m 1.3 Global Metakaolin Market by Application/End Users 1.3.1 Global Metakaolin Sales (Volume) and Market Share Comparison by Application (2013–2025) 1.3.1 Infrastructure Works 1.3.2 Commercial, Industrial and Residential Buildings 1.3.3 Artifacts 1.3.4 Other
2 Global Metakaolin Competition by Players/Suppliers, Type and Application 2.1 Global Metakaolin Market Competition by Players/Suppliers 2.1.1 Global Metakaolin Sales and Market Share of Key Players/Suppliers (2013–2018) 2.1.2 Global Metakaolin Revenue and Share by Players/Suppliers (2013–2018) 2.2 Global Metakaolin (Volume and Value) by Type 2.2.1 Global Metakaolin Sales and Market Share by Type (2013–2018) 2.2.2 Global Metakaolin Revenue and Market Share by Type (2013–2018) 2.3 Global Metakaolin (Volume and Value) by Region 2.3.1 Global Metakaolin Sales and Market Share by Region (2013–2018)
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predictoreports · 7 years ago
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Geopolymer Market Analysis 2012-2017 and Forecast 2018-2023
Geopolymer Market Analysis 2012-2017 and Forecast 2018-2023
Geopolymers were developed nearly three decades ago by Davidovits who prepared alumino-silicate materials in alkaline at ambient temperature environments.Geopolymers are a type of inorganic polymer that can be formed at the proper temperature by using aluminosilicate precursor material, such as metakaolin or fly ash as source materials and adopting alkali activated technology to form a solid…
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globalmarketforecast-blog · 7 years ago
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Rotary Kiln Market Manufacturing Base, Business Overview, Sales Area Forecast 2022
Global Rotary Kiln Market is segmented based on types, product type, component, application, and region. Rotary kiln is also known as rotary calciner. Rotary kiln is a rotating cylindrical vessel uses thermal process for calcination, drying, pyrolysing, and sintering in a continuous process with the use of hot gases. A rotary kiln plant consists of a tube rotating on its own axis, material feed and discharge housing as well as necessary supplementary elements.
When the kiln rotates material slowly moves down towards lower end, while hot gasses pass along the kiln, at times in the similar direction as the process material. The hot gases may be produced in an external furnace or by flame inside the kiln. In rotary kiln, oil, gas, pulverized petroleum coke or pulverized coal may be used as a fuel.
Browse Detail Market Report of Rotary Kiln Market @ https://www.millioninsights.com/industry-reports/rotary-kiln-market
Rotary kilns have the benefit of being able to function over a wide temperature range liable on the design and refractory used, and can handle an inclusive variety of waste components. The systems are generally used at scales of about 50 to 200 tpd in waste treatment capacity. It has estimated that Rotary Kiln Market will grow gradually over the forecast period as its scope and applications are raising enormously across the globe such as it controls fuel ratio and reduce fuel consumption, accurate product temperature measurement inside and outside the kiln, reduces emissions, and prevent overheating and under-heating.
Rotary Kiln Market is classified, by type into Direct Fired Rotary Kiln, and Indirect Fired Rotary Kiln. Direct fired rotary kilns are refractory lined, fuel fired rotary kilns consisting of liquid fuel or gaseous fuel and an open flame burns in the rotating tube. It is widely used in mineral processing industries, chemical industries, food processing industries, ferrous alloys industries and others.
Indirect fired rotary kilns consists of refractory lined furnace chamber, it may be fuel fired or electrically heated and the heat is introduced indirectly, that is from outside of the reaction chamber.The major purpose is in drying, roasting, calcination, reduction, sintering, high temperature reactions and pre-heating. It is widely used in mineral processing, pharmaceutical industries, rare metal industries, and others. The indirect way of heating avoids cross contaminations.
Request Sample Copy of Rotary Kiln Market @ https://www.millioninsights.com/industry-reports/rotary-kiln-market/request-sample
Rotary Kiln Market is classified, by product type into Lime Kiln, Metallurgy Kiln, Cement Kiln, and others. Rotary Kiln Market is classified, by components into Shell, Refractory Lining, Support Tires and Rollers, Drive Gear and Internal Heat Exchangers.Rotary Kiln Market is classified, by application into Cement, Refractories, Lime, Titanium Dioxide, Metakaolin, Alumina, thermal processing, pyrolyser and others. A cement plant uses a rotary kiln, also known as rotary cement kiln or cement kiln, used to heat a raw material into product named as clinker. The cement kiln uses continuous direct fired kiln to thermally process material.
Rotary Kiln Industry is segmented, geographically into North America, Europe (Eastern Europe, Western Europe), Asia Pacific, Latin America, Middle East and Africa. Rotary Kiln Industry key players are, Rotary Kiln and dryer, Shanghai Minggong, Flsmidth, NHI, Metso, Tongli Heavy Machinery, KHD, Magnesita, Hongxing Machinery, Prayon, Pengfei Group, Boardman, Feeco, ANSAC PTY and Steinmüller Babcock Environment GmbH.
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marketworlds-blog · 7 years ago
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Rotary Kiln Market To Grow Worldwide: Market Segments and Key Factors Forecast to 2022
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Global Rotary Kiln Market is segmented based on types, product type, component, application, and region. Rotary kiln is also known as rotary calciner. Rotary kiln is a rotating cylindrical vessel uses thermal process for calcination, drying, pyrolysing, and sintering in a continuous process with the use of hot gases. A rotary kiln plant consists of a tube rotating on its own axis, material feed and discharge housing as well as necessary supplementary elements.
Rotary Kiln Market is classified, by type into Direct Fired Rotary Kiln, and Indirect Fired Rotary Kiln. Direct-fired rotary kilns are refractory lined, fuel fired rotary kilns consisting of liquid fuel or gaseous fuel and an open flame burns in the rotating tube. It is widely used in mineral processing industries, chemical industries, food processing industries, ferrous alloys industries and others.
Get Details of Rotary Kiln Market at : https://www.millioninsights.com/industry-reports/rotary-kiln-market
When the kiln rotates material slowly moves down towards lower end, while hot gasses pass along the kiln, at times in the similar direction as the process material. The hot gases may be produced in an external furnace or by flame inside the kiln. In rotary kiln, oil, gas, pulverized petroleum coke or pulverized coal may be used as a fuel.
Rotary kilns have the benefit of being able to function over a wide temperature range liable on the design and refractory used, and can handle an inclusive variety of waste components. The systems are generally used at scales of about 50 to 200 tpd in waste treatment capacity. It has estimated that Rotary Kiln Market will grow gradually over the forecast period as its scope and applications are raising enormously across the globe such as it controls fuel ratio and reduce fuel consumption, accurate product temperature measurement inside and outside the kiln, reduces emissions, and prevent overheating and under-heating.
Indirect fired rotary kilns consists of refractory lined furnace chamber, it may be fuel fired or electrically heated and the heat is introduced indirectly, that is from outside of the reaction chamber. The major purpose is in drying, roasting, calcination, reduction, sintering, high temperature reactions and pre-heating. It is widely used in mineral processing, pharmaceutical industries, rare metal industries, and others. The indirect way of heating avoids cross contaminations.
Get Sample of Rotary Kiln Market Report at: https://www.millioninsights.com/industry-reports/rotary-kiln-market/request-sample
Rotary Kiln Market is classified, by product type into Lime Kiln, Metallurgy Kiln, Cement Kiln, and others. Rotary Kiln Market is classified, by components into Shell, Refractory Lining, Support Tires and Rollers, Drive Gear and Internal Heat Exchangers. Rotary Kiln Market is classified, by application into Cement, Refractories, Lime, Titanium Dioxide, Metakaolin, Alumina, thermal processing, pyrolyser and others. A cement plant uses a rotary kiln, also known as rotary cement kiln or cement kiln, used to heat a raw material into product named as clinker. The cement kiln uses continuous direct-fired kiln to thermally process material.
Rotary Kiln Industry is segmented, geographically into North America, Europe (Eastern Europe, Western Europe), Asia Pacific, Latin America, Middle East and Africa. Rotary Kiln Industry key players are, Rotary Kiln and dryer, Shanghai Minggong, Flsmidth, NHI, Metso, Tongli Heavy Machinery, KHD, Magnesita, Hongxing Machinery, Prayon, Pengfei Group, Boardman, Feeco, ANSAC PTY and Steinmüller Babcock Environment GmbH.
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getmarketresearch · 7 years ago
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Global and China Metakaolin Market Research by Company, Type & Application 2013-2025
Global and China Metakaolin Market Research by Company, Type & Application 2013-2025
Summary Date Published: 25/10/2017 Region: Global Delivery Format: Email PDF + Excel Pages: 95.0 Category: Chemicals and Materials Market Segment as follows:By Type <2μm 2~10μm 10~20μm >20μmBy Application Infrastructure Works Commercial, Industrial and Residential Buildings Artifacts OthersBy Company BASF Imerys I-Minerals SCR-Sibelco Thiele Kaolin Burgess Poraver Advanced Cement Technologies…
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reportsandmarkets · 7 years ago
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Metakaolin Market Status and Future Forecast 2013-2023
Metakaolin Market Status and Future Forecast 2013-2023
Metakaolin Market Detailed TOC and Charts & Tables @ https://www.reportsandmarkets.com/reports/global-and-asia-metakaolin-market-status-and-future-forecast-2013-2023-1680478 Summary Key Content of Chapters (Including and can be customized) Part 1: Market Overview, Development, and Segment by Type, Application & Region Part 2: Global Market by company, Type, Application & Region Part 3: Asia…
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fenglichina-blog · 7 years ago
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Are you searching Kaolin grinding mill for your plant?
Kaolinite has a low shrink-swell capacity and a low cation-exchange capacity (1–15 meq/100 g). It is a soft, earthy, usually white, mineral (dioctahedral phyllosilicate clay), produced by the chemical weathering of aluminium silicate minerals like feldspar. In many parts of the world it is colored pink-orange-red by iron oxide, giving it a distinct rust hue. Lighter concentrations yield white, yellow, or light orange colors. Alternating layers are sometimes found, as at Providence Canyon State Park in Georgia, United States. Commercial grades of kaolin are supplied and transported as dry powder, semi-dry noodle or as liquid slurry.
The main use of the mineral kaolinite is the production of paper; its use ensures the gloss on some grades of coated paper.Kaolin has a wide use, in ceramics (it is the main component of porcelain), in toothpaste, as a light diffusing material in white incandescent light bulbs, in cosmetics, in pre-work skin protection and barrier creams, in paint to extend the titanium dioxide (TiO2) white pigment and modify gloss levels, for modifying the properties of rubber upon vulcanization, in adhesives to modify rheology, in organic farming as a spray applied to crops to deter insect damage, and in the case of apples, to prevent sun scald, as whitewash in traditional stone masonry homes in Nepal (the most common method is to paint the upper part with white kaolin clay and the middle with red clay; the red clay may extend to the bottom, or the bottom may be painted black), as a filler in Edison Diamond Discs, as an indicator in radiological dating since kaolinite can contain very small traces of uranium and thorium, to soothe an upset stomach, similar to the way parrots (and later, humans) in South America originally used it (more recently, industrially-produced kaolinite preparations were common for treatment of diarrhea; the most common of these was kaopectate, which abandoned the use of kaolin in favor of attapulgite and then (in the United States) bismuth subsalicylate (the active ingredient in Pepto-Bismol)), for facial masks or soap, as adsorbents in water and wastewater treatment, to induce blood clotting in diagnostic procedures, e.g. Kaolin clotting time, In its altered metakaolin form, as a pozzolan; when added to a concrete mix, metakaolin accelerates the hydration of Portland cement and takes part in the pozzolanic reaction with the portlandite formed in the hydration of the main cement minerals (e.g. alite). In its altered metakaolin form, as a base component for geopolymer compounds.
As a powder equipment manufacturing experts, Fujian Fengli has a professional manufacturing and processing advantages, the production of kaolin ultrafine grinding mill mainly consist of main frame, feeder, classifier, blower, pipe fittings, storage hopper, electronic control system and other components, you can efficiently processing 3-300 micron high-quality powder, greatly meet the needs of different fineness of the product market, is the ideal equipment for kaolin processing.
[Maximum size of feed]: ≤10mm
[Production capacity]: 0.5-5t/h
[Finished Fineness]: 3-300 micron
[Features]: 1.Built-in separation mechanism-preventing over-grinding. 2.Able to produce uniform granules of required sizes by adjusting the speed of the stage-separation wheel(s) or by adjusting the strength of the blower(s). 3.Powerful blowing and strong self-cooling capability, suitable for grinding heat-sensitive materials. 4.Different grinding accessories/devices are used according to the hardness of the material being ground; different types of materials (alloyed carbon steel, stainless steel, ceramics etc) are available for the Machine's inner linings and product extracting system, meeting the needs of different industries. 5.Both manual and programmable auto-controlled machines available.
[Performance advantages]: The mill is replacement equipment of the traditional milling machine. Wide usage, simple operation, easy maintenance, stable performance, high cost-effective, 30% -40% higher output than the traditional Raymond Mill, is a kind of economical and practical milling equipment.
[Applicable materials]: Focus on grinding and processing of diabase, clay, graphite, clay, coal gangue, wollastonite, lime, zircon sand, bentonite, manganese ore, gypsum, calcite and other Mohs hardness below 7 non-metallic mineral ores. The equipment has a number of national patent technologies; performance reached the national leading level.
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marketworld-blog1 · 7 years ago
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Rotary Kiln Market 2022: Major Factors to Drive the Market Globally
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Global Rotary Kiln Market is segmented based on types, product type, component, application, and region. Rotary kiln is also known as rotary calciner. Rotary kiln is a rotating cylindrical vessel uses thermal process for calcination, drying, pyrolysing, and sintering in a continuous process with the use of hot gases. A rotary kiln plant consists of a tube rotating on its own axis, material feed and discharge housing as well as necessary supplementary elements.
When the kiln rotates material slowly moves down towards lower end, while hot gasses pass along the kiln, at times in the similar direction as the process material. The hot gases may be produced in an external furnace or by flame inside the kiln. In rotary kiln, oil, gas, pulverized petroleum coke or pulverized coal may be used as a fuel.
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Rotary kilns have the benefit of being able to function over a wide temperature range liable on the design and refractory used, and can handle an inclusive variety of waste components. The systems are generally used at scales of about 50 to 200 tpd in waste treatment capacity. It has estimated that Rotary Kiln Market will grow gradually over the forecast period as its scope and applications are raising enormously across the globe such as it controls fuel ratio and reduce fuel consumption, accurate product temperature measurement inside and outside the kiln, reduces emissions, and prevent overheating and under-heating.
Rotary Kiln Market is classified, by type into Direct Fired Rotary Kiln, and Indirect Fired Rotary Kiln. Direct fired rotary kilns are refractory lined, fuel fired rotary kilns consisting of liquid fuel or gaseous fuel and an open flame burns in the rotating tube. It is widely used in mineral processing industries, chemical industries, food processing industries, ferrous alloys industries and others.
Indirect fired rotary kilns consists of refractory lined furnace chamber, it may be fuel fired or electrically heated and the heat is introduced indirectly, that is from outside of the reaction chamber.The major purpose is in drying, roasting, calcination, reduction, sintering, high temperature reactions and pre-heating. It is widely used in mineral processing, pharmaceutical industries, rare metal industries, and others. The indirect way of heating avoids cross contaminations.
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Rotary Kiln Market is classified, by product type into Lime Kiln, Metallurgy Kiln, Cement Kiln, and others. Rotary Kiln Market is classified, by components into Shell, Refractory Lining, Support Tires and Rollers, Drive Gear and Internal Heat Exchangers.Rotary Kiln Market is classified, by application into Cement, Refractories, Lime, Titanium Dioxide, Metakaolin, Alumina, thermal processing, pyrolyser and others. A cement plant uses a rotary kiln, also known as rotary cement kiln or cement kiln, used to heat a raw material into product named as clinker. The cement kiln uses continuous direct fired kiln to thermally process material.
Rotary Kiln Industry is segmented, geographically into North America, Europe (Eastern Europe, Western Europe), Asia Pacific, Latin America, Middle East and Africa. Rotary Kiln Industry key players are, Rotary Kiln and dryer, Shanghai Minggong, Flsmidth, NHI, Metso, Tongli Heavy Machinery, KHD, Magnesita, Hongxing Machinery, Prayon, Pengfei Group, Boardman, Feeco, ANSAC PTY and Steinmüller Babcock Environment GmbH.
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