#Carbon Sieve

[molecularsievedesi]

Use Carbon Molecular Sieve For Gas Separation

Molecular sieves have been popular and widely used adsorbent material in various industrial applications and processes. Molecular sieves contain a highly porous structure, are inert in nature, have high adsorption selectivity, and can effectively separate different gases from the air according to their affinity towards the material. 

The use of Carbon molecular sieve for gas separation works best due to its highly porous and well defined pore structure, where different sizes of molecules are adsorbed in the passage of molecules across the membrane. Pores that are smaller tend to allow for the passage of smaller molecules, while pores that are larger tend to allow the passage of larger molecules.

For more information

contact us +91 9879203377,

Email us - molecularsievedesiccants@gmail.com

Website - https://www.molecularsievedesiccants.com

[westerncarbon]

For carbon molecular sieves needs, the carbon molecular sieves manufacturer in UK has got you covered! Western Carbon is a leading carbon molecular sieves manufacturer that provides a range of carbon molecular sieves suppliers in UK by employing cutting-edge technology at our Hi-Tech manufacturing unit

[urban-homesteading]

Rendering beef fat into tallow

Ten years ago, I came across a comment on a soap making forum where a woman explained how she gets her tallow pure enough to make into her soaps and it has worked really really well when I've made large batches of tallow. Since the internet is an ever-shifting labyrinth of lost advice, I thought I would help preserve her advice here as well.

By lionprincess00 from soapmakingforum.com:

"I take it and cut off all meat bits I can. Then I cut it into small inch sized pieces or so. Someone here mentioned baking soda to help the render smell, and another mentioned salt for helping get impurities out.

I put it into a pot of water that's filled halfway up the fat. I pour a good half cup or so of salt into it. I mix oh about 3 tablespoons of baking soda into water and pour it on as well. It creates a reaction and releases carbon dioxide, so beware as it heats of spilling over. I did an experiment not using baking soda in the render, and by the third it still smelled extremely meaty. Whatever the reason, it helps a ton reduce the overall finished product's odor. BEWARE OF EVAPORATION, and fill with fresh water as needed.

I heat it on medium low for a good half hour, and then lower the temperature to full low. I simmer for, oh, 4 hours or more, until the fat looks like a gelatinous gooey sinus infection lol. I strain it through a sieve into a glass Pyrex baking dish, used cheesecloth in the sieve once but can't find it anywhere after I ran out, so sieve it is.

I refrigerate it for at least 4 hours or so. It needs to cool completely through. Overnight is best.

Look at the liquid now. Below the fat in the dish after its cooled, the water is a deep muddy brown and STINKS like what I would think a dead body smells like. I almost gag at this point when I go and dump it in the field for the coyotes to sniff out haha. Once I didn't do this, and I'm assuming I used cleaner pieces of fat and cut most trimming off compared to other times, so you may or may not get this.

It looks like it's pretty clean fat now, but there's more cleaning that can occur, and I want it very very clean to prevent smell, dos development, and just the yuck factor of bits being left behind. That water was so nasty, and if it was that bad there's more cleaning throughout the fat that needs to happen.

Scrape any funk off the base of the fat disc and discard.

Pop out the solid fat disc and place in the pot. Fill with water to cover an inch below the fat, or so. This isn't an exact science, so close is fine.. Add about a quarter cup of salt and another few tbs of baking soda. Heat on low, and melt it. I keep it here for a couple hours or so. I strain it out into the cleaned out Pyrex. Cool for at least 4 hours. It just needs adequate time to harden completely through. If you pop it out too quickly, the bottom of the disc will still be water logged. The water beneath the fat disc this second render is a murky slightly tinted white. Very murky. Scrape the base of yucks again.

I do it again. This time I use about between 1/8 and 1/4 cup of salt. Honestly I dump and eyeball it, but for instructions sake, start with these and make it your own. The water after cooling is a cloudy white, but getting cleaner looking. Scrape discolored base. I do it the fourth time. The water is almost clear after this render and cooling. This is how I know most of the impurities are gone. I DON'T use salt this final render nor baking soda. The salt may be what clouds the left over water in the above rendering, but I know it still needs the extra rendering based on the smell too. The smell is nonexistent practically by the fourth render and cooling. The water left beneath the disc doesn't smell either by the fourth time. Is four necessary, probably not. I just want a clean clean product if I'm going to do it myself and not purchase it. Now is it necessary on bigger batches, yes and so is a fifth. If you're doing a lot at once, it may need 5 renders. If you split your 5 lbs into 2.5 renders each, 4 is good. If you do all at once, use a big enough pot for the bubbles of salt and baking soda reacting, and plan on 5 renders, and potentially 6 depending on how little the odor remains.

So, my final render is clear water and smell free even after a remelt of my tallow I rendered. So I do this method."

[simply-ivanka]

What Kamala Harris Believes

The Vice President’s political record reveals the views of a California progressive.

Wall Street Journal

Democrats are rapidly unifying behind Kamala Harris as their party nominee, yet the Vice President remains relatively unknown to most Americans. That means it’s important to look at her record to see what she believes.

As VP she’s closely identified with the Biden agenda, for better or worse, and she embraced that record in remarks on Monday. She said President Biden’s first term has “surpassed the legacy” of most Presidents who have served two.

So mark her down as endorsing the spending blowouts that caused inflation, the Green New Deal, entitlement expansions and student loan forgiveness. Until she says otherwise, we should also assume she’s in favor of Mr. Biden’s $5 trillion tax increase in 2025.

The Vice President’s four years as a Senator from California are another window on her worldview. She sponsored a bill to create a $6,000 guaranteed income for families making up to $100,000. Another Harris proposal: A refundable tax credit that would effectively cap rents and utility payments at 30% of income. Liberal economists panned the subsidy because it would drive up rents.

She co-sponsored legislation with Bernie Sanders that would pay tuition at four-year public colleges for students from families making up to $125,000. This is more honest than the Administration’s back-end student loan cancellation. But it would cost $700 billion over a decade and encourage colleges to increase tuition.

Another Bernie mind-meld: Single-payer healthcare. Ms. Harris co-sponsored his Medicare for All legislation paid for by higher income taxes. She tweaked Bernie’s plan when running for President in 2019 by extending the phase-in to 10 years from four and exempting households making less than $100,000 from the “income-based premium.” But it would still put government in charge of all American healthcare over time.

As a San Francisco Democrat, Ms. Harris shares the state’s hostility to fossil fuels. She used her power as California Attorney General to launch an investigation into Exxon Mobil over its carbon emissions. In 2019 she endorsed a nationwide ban on oil and gas fracking, which would cost tens of thousands of jobs and cause power outages like those that often occur in her home state. Expect this to be a GOP talking point in Pennsylvania.

One question to ask is whether the Vice President wants to restructure the Supreme Court. She said in 2019 she was “open” to adding more Justices, but that idea doesn’t poll well. Does she agree with Mr. Biden’s mooted plan to endorse “reforms” to the High Court that would make the Justices subject to Congressional supervision?

Mr. Biden famously put Ms. Harris in charge of border policy, and we know how that has turned out. Rather than push for border policy changes, her first instinct was to blame the rush of migrants on “root causes” in developing countries, including corruption, violence, poverty and “lack of climate adaptation and climate resilience.”

Climate change makes the U.S. border a sieve? Apparently so. “In Honduras, in the wake of hurricanes, we must deliver food, shelter, water and sanitation to the people,” Ms. Harris declared. “And in Guatemala, as farmers endure continuous droughts, we must work with them to plant drought-resistant crops.” These “root causes” take decades to address, and in the meantime she had nothing to say about actual border security.

Ms. Harris’s foreign policy views aren’t well known, or perhaps even well formed, apart from promoting Mr. Biden’s policies. While she has backed the Administration’s military assistance to Ukraine, she has equivocated about support for Israel. In March she chastised Israel for not doing enough to ease a “humanitarian catastrophe.” Leaks to the press say officials at the National Security Council toned down her speech’s criticism of Israel.

She lambasted the Trump Administration for killing Islamic Revolutionary Guard Corps Gen. Qassem Soleimani, claiming it could lead to bigger war in the Mideast. The killing chastened Iran’s rulers instead, at least until the Biden Administration began to ease sanctions and tried to repeat the 2015 nuclear deal.

It will be especially important for the press to ask Ms. Harris about her national security views. If her handlers control her as much as White House advisers have Mr. Biden, we’ll know they’re afraid that the Vice President might not be able to handle the scrutiny.

A fair conclusion from all of this is that Ms. Harris is a standard California progressive on most issues, often to the left of Mr. Biden. Perhaps as she reintroduces herself to the public in the coming weeks, she will modify some of those views. She would be wise to do so if she wants to win.

Given the rush by Democrats to anoint Ms. Harris as their nominee, the press has a particular obligation to tell the public about who she is and what she really thinks. Does she believe California is a model for the country?

[cult-of-the-eye]

I did everything I could. I took my brain and moulded it into cookie cutter shapes so you could look at it and laugh giddily, clapping together your sticky palms in glee. I breathed, oh how I breathed, I took in that oxygen as if it was patience and substituted carbon dioxide for harsh words. And you talk to me. You laugh with me. You tell me about your problems. And in the pulp of my brain that's sieving through my hands, you hold my thumb and bare your teeth in a grin.

[mercurialbadger]

Hi, I was wonder what procedure you were following to make that PVSA. I'm looking make some myself so I don't have to buy it

Greetings!

The Cyan Step:

5 g PVA

10 g Na2S

2 g 3A molecular sieves

In 100 ml DMF.

Heat to 100-110°C to dissolve PVA, let react overnight at ~60°C, decant into cold isopropanol to precipitate out sulfhydrile intermediate product (also an interesting product, can be used to improve mucoadhesive proprties in cell culture coatings).

Pink step

Dissolve the dried ball in room temerature alkaline saturated KMnO4 solution, precipitate with acetone, dissolve in carbonate buffer, exchange against solutions with strong insoluble Mn chelators like, once again, Na2S or something.

PVSA can be used as a wide range RNAse inhibitor, also a convenient stop - and preserve in cell-free protein synthesis systems, especially ribosome display.

(please keep the cap on during the reaction as H2S smells horrible and is slightly toxic)

[whats-in-a-sentence]

THE MAGIC OF COMPOSTING

Like soil – and like us, really – compost needs certain things to thrive. Food, air, water are the basics. The food is plant or animal waste. Air you get by regularly mixing and turning the compost. Your compost should also be damp, so wet it often. And it should warm up, as all those microbes get to work.

Most home compost is hard to manage if you add animal waste (meat scraps), unless you can keep rats and other vermin out. Using a bokashi bin – a Japanese-designed bio-digester – might be better in this case.

In terms of ratios, about twice as much 'brown' garden waste to 'green' is best. So, twice as many brown dried leaves as green lawn clippings, for instance. You don't have to be exact, but this is a good starting point. If you're unsure, having too much carbon (brown waste) is better for the smell, and for the environment, as it emits less nitrous oxide and methane. Think of brown waste as things that will burn cleanly – so, sawdust from old wood, compared to green, the tops of trees that have been mulched. Or hay as brown, and freshly cut lawn clippings as green.

Common composting mistakes

Smelly, slimy compost: Too much nitrogen. You need to add more carbon in the form of dry leaves or dry grass clippings. You could add hay, but you might also be adding weed seeds if your compost doesn't get very hot. Early on, you could use sawdust or shredded paper, which will take longer to break down. A mix of different carbon sources is usually best.

Dry on top, smelly inside: Probably not enough air. Turn the compost regularly (weekly is good) to mix and aerate.

Dry right through: Not enough water, possibly? Wet it each week as you turn it. It could also contain too much carbon, but this is usually not the case for home gardens. Add green grass clippings, or more food waste.

Chunky compost: Possibly lots of things from the garden that are hard to break down. If everything else is going well, you can make the compost and sieve these out, then return the big bits to your compost.

Cold compost: It's just working slowly. This will take a long time, so your compost may need more food, or more water, to jumpstart the microbial life. Hot compost can be ready in a matter of weeks, but cool compost can take months to mature.

When your compost is ready, it should have an attractive earthy smell, and crumble easily through your fingers. Everything small should have broken down into a very dark substance, which is essentially pure humus, ready to use on the garden. If you're not sure your compost is done, and are worried it might have dangerous bacteria (the kind you get in poo, rotting food and the like), you can still use it. Just shovel it around the base of fruit trees rather than your lettuces, so it doesn't get into your dinner.

"Soil: The incredible story of what keeps the earth, and us, healthy" - Matthew Evans

[brooklynislandgirl]

A Hoard of Hatred || Muse Dislikes Stolen from: dear Coyote, @void-foxy Stolen by: You! The Nurse Shark || Beth Riley

muse name: Elizabeth Irene Riley {haole-fied} least favourite nickname: Beth absolutely hates being called Liz or Lizzy. It began with the Admiral when he needed to call her something other than "the girl" when he had to speak about her. Which she thinks is ridiculous, he was the one who insisted she be named after his mother and grandmother, respectively. Her mother had already chosen a name for her. One that had meaning, purpose and was a nod to their Kanaka roots. Later on in life other people have called her by those and it feels like a fork being dragged against plates. least favourite season. Asking Beth which is her least favourite season is like trying to teach a pig to sing ~it will only frustrate you and make the pig mad. Autumn is her first love; the fire-leaves remind her of Pele, but less angry, less destructive. She loves the quietude that settles in, the rain-soaked afternoons, the excuse to make some coffee or tea and snuggle up under a blanket, while it's still warm enough to enjoy the daylight. Winter is a close second because this is when you get your best surfing weather. It encompasses many of the family holidays that brings people together. Summer gives her the most daylight which is important when you're still afraid of the dark. If she has to choose, then it's probably spring. An increase in people's allergies, stress, people doing stupid and disgusting things on Spring Break. least favourite: hot or cold? Hawai'i lies just below the Tropic of Cancer and tends to have balmy temperatures. Beth finds the mainland to be entirely too cold most of the time. She prefers hot coffee and tea. She likes her showers and baths somewhere in the range that other people call "flesh melting". And while she does find snow to be a fascinating phenomenon, she dislikes cold in general. least favourite holiday: This is a toss-up. Beth feels Valentine's Day has nothing to do with venerating the saint it is named after, and that it has become far too commercialised with terrible chocolate and enforced romance. She feels every day should be lived with love in one's heart and not one day that Hallmark dictates. Beth, instead, chooses to consider 14 February as a celebration of Captain Cook's death. She equally dislikes the idea of Columbus Day. A day romanticised as a celebration of a known slave-monger, a coloniser, and a lie. She prefers to celebrate Indigenous Peoples' Day. least favourite food: Shark Fin soup. But also peanut butter. least favourite flavour:   Artificial anything. Her sense of taste is so sharp all she can taste is the chemicals, not the flavour itself. She also despises frostings that are nothing but sugar and lard {like the frosting on Lofthouse cookies, or most grocery store premade frosting} least favourite drink: Moxie. Which is a great thing if you want the lingering, unforgettable taste of the dregs of hell through a much used, never washed sieve comprised of athletic socks and jock straps, then gently mixed with carbonated molasses. least favourite scent: Roses. She doesn't mind them in a garden but if she walks into a room and smells roses, she will turn right around and walk out again, try and mahalo. least favourite sound: The Admiral...still breathing. The word "slow" being spoken in the emergency room. Open-mouth coughing. And finally, "I love you." least favourite TV shows: Beth doesn't really watch television for the most part, as she rarely sits long enough to get through an entire show. However, she hates, in particular: "reality" shows and medical dramas {largely because of the plots and because the actual science/job is so so so wrong}. She absolutely loses her mind over faux-chest compressions.

least favourite area of school: Language arts. Beth has a complicated relationship with the English language. Particularly homophones, homographs, and homonyms. Digraphs ~th in particular~ are the devil to someone who has auditory processing disorder. least favourite aspect of their job: Where to start? Terrible management. Awful working conditions and long hours, virus exposure, stress and pressure. Doctors who eat you alive and spit you out, and think they are entitled to do so. Emotional Burnout. The horror stories of trauma and ER nursing are vast and lengthy. But Beth thinks the worst part is knowing no matter what she does, how hard she tries...she can't save everyone. If asked specifics, she'll say calling or running a code in paediatrics or the NICU.

least favourite trait in others: Casual cruelty. Microaggressions/passive racism. least favourite thing to talk about: The Admiral and Iwalani. Andy's death {verse specific}. Herself. least favourite thing about themselves:   ...Everything. least favourite daily chore:  Beth has a housekeeper, a cook, and only really does her own laundry when she needs to. She already knows, you don't have to tell her she's entitled. She does however hate day-to-day dusting because she isn't tall enough to get most of the high places. .least favourite type of clothing: Anything too tight/restrictive along the legs. least favourite superpower: Flying. X-Ray vision. Super speed. An entirely engineered super-war suit that makes you think you're a rock-star when you should be thinking on how to improve the lives of those so far less fortunate than you. least favourite thing about falling in love: Knowing that there's a snowball's chance of it being returned. least favourite thing about death: That it has to exist to balance life, that it is a natural thing. How unexpected it can be.

[kaleviri]

mint yerba mate syrup recipe

ingredients

2 heaping tbsp yerba mate loose leaf

1 cup sugar

¼ tsp citric acid powder (or to taste)

2 cups boiling water

1 bunch of fresh whole mint leaves

tools

medium saucepan

container that can handle hot liquids (bonus points if it has measuring lines on the side)

measuring tools

sieve fine enough for your tea leaves

stirring spoon

muddler (spoon handle works)

funnel

serving bottle

recipe

Add your yerba mate leaves and 1 cup of water to a sauce pan.

Snap a photo to note the fluid level on the wall of the sauce pan.

Add the second cup of water to the saucepan

Boil down your tisane until it is back to the level you photographed in step 2

Strain your tisane into a heat proof container to check it's one cup and to remove the used yerba mate leaves, then return your tisane to the empty saucepan and put it on medium heat

Add 1 cup sugar and ¼ teaspoon citric acid powder to the saucepan

Simmer and stir until no grit remains

Gently bruise mint leaves in a heat-proof container

Pour hot syrup in, onto the bruised mint

Cool on counter for 30 mins

Funnel into serving bottle, stuff the mint in there too

Refrigerate

Notes & Trivia

I found the citric acid at Walmart in the canning section next to the shelf liners and mason jars.

Guayaki shreds their yerba mate loose leaf kinda fine, so I used a nut milk bag to strain the leaves out. I wish I could find whole leaves. If you know a good yerba mate leaf to order, Please Let Me Know.

This was my effort to hack the mint Guayaki yerba-mate flavor that gets sold at Kroger in cans. I've been mixing the syrup with carbonated water and am very happy with the results!

[111xinsheng]

Metal Types & Recycling: Good for the Planet and Your Wallet

Metal recycling is an important practice that has revolutionized the metal industry. It is a process in which ferrous and non-ferrous materials are melted and reshaped to create new products that help reduce waste and conserve natural resources.

Metal Recycling Process

The process of metal recycling involves several steps. First, the materials are sorted to separate ferrous metals from non-ferrous metals such as aluminum and copper. Then they are shredded and sieved to prepare them for smelting.

This is followed by smelting and refining in a recycling factory to remove impurities and produce high-quality recycled metals. These materials can be in the form of metal crisps, complex assemblies, and other metallurgical wastes.

Benefits of Recycling Metal

Recycling is a way to minimize the environmental impact of mining and extraction, which can be energy intensive and generate large amounts of waste. By recycling old metal, we can reduce the need to mine new ores, an activity that causes carbon dioxide emissions and other environmental hazards.

Recycling also saves energy, which is crucial for the environment and public health. The resources needed to recycle metal are relatively low, unlike the energy required for mining and refining new ores.

Metal recycling also benefits the economy by creating job opportunities, generating revenues, and preserving valuable resources. By recycling metals, manufacturers can reduce their production costs by using recycled raw materials.

Moreover, recycling prevents valuable materials from making their way into landfills, where they can pose long-term environmental and health risks. By keeping metal out of landfills, we can reduce the waste that ends up in these sites and help conserve valuable resources.

Metal recycling is a significant part of the circular economy. It saves energy, conserves resources, and reduces waste, making it an environmentally and economically viable practice. Moreover, by recycling metal, we can reduce the need for mining and protect the planet from the adverse effects of metal extraction. So, whether you run a business that uses metal or you're just an environmentally-conscious consumer, recycling metal is a great way to help our planet and your wallet! 

[blueberriesareking]

Recipe text:

INGREDIENTS

FOR THE DIPPING SAUCE:

½ cup soy sauce

2 tablespoons plus 2 teaspoons rice vinegar

1 to 2 teaspoons Japanese chili oil (rayu) or Chinese chile oil (optional), or to taste

FOR THE GYOZA:

1 pound green cabage, about 1/2 medium head

4 teaspoons kosher salt

¾ pound ground pork

1 tablespoon plus 1 tsp minced ginger

1 tablespoon plus 1 tsp minced garlic

1 cup chopped garlic chives (nira) or chives

1 tablespoon soy sauce

1 tablespoon toasted sesame oil

Cornstarch or potato starch, for sprinkling

60 gyoza wrappers (about 12 oz)

Neutral oil (such as vegetable or canola oil), for frying

PREPARATION

Step 1

Prepare the gyoza dipping sauce: In a small bowl, whisk together the soy sauce and rice vinegar, plus chile oil, if using. Set aside (makes a generous 1/2 cup).

Step 2

Finely chop the cabbage or process it in a food processor into confetti-size bits, then transfer it to a sieve set over a large bowl.

Toss with 2 teaspoons of the salt and let sit for 20 minutes in the sink. Gently press the cabbage to squeeze out as much water as you can.

Step 3

Combine the drained cabbage, pork, ginger, garlic, chives, soy sauce, sesame oil and the remaining 2 teaspoons salt in a large bowl and mix thoroughly just until everything is evenly distributed.

(Don't overdo it: Too much handling and the fat in the pork will begin to melt.)

Step 4

Here's where you want to employ some extra hands to help you:

Fill a small bowl with water. Sprinkle a rimmed sheet pan or two with cornstarch or potato starch to prevent the finished gyoza from sticking. For each gyoza, place a wrapper in the palm of your hand and spoon about 1 1/2 teaspoons of the filling into the center. Use the back of the spoon to smoosh it lightly (it should fill about half the wrapper). You don't want the filling to run to the edges, but you also don't want it sitting in a fat clump in the middle. Dip your finger into the water and run it along the perimeter of one half of the wrapper. Now fold the wet edge of the wrapper over to meet the dry edge. Crimp the edges together at one corner, then proceed around the dumpling, using your finger to push the dough into little pleats on one side and pressing them against the other side to seal it. (If you need more guidance, there are hundreds of gyoza-folding videos online.) Place the gyoza on the sheet pan as you finish them. If your gyoza seem to be sticking to one another, sprinkle each layer of gyozas with potato or cornstarch.

Step 5

To pan-fry the gyoza, you will need a lidded 10-inch nonstick pan or a well-seasoned carbon steel pan. (You could also use whatever skillet you have, but increase the oil and keep a close eye on the gyoza.) Heat 1 tablespoon neutral oil in the pan over medium heat When hot, add 10 to 15 gyoza, flat-side down, and cook until browned on the bottoms, 2 to 3 minutes. Add enough water to come just under a quarter of the way up the gyoza (about 1/2 cup, depending on how many gyoza you have in the pan), cover, and let the water cook away until the pan is dry and the gyoza wrappers have softened completely, 3 to 4 minutes. Remove the lid, increase the heat to medium-high, and let the gyoza crisp up on the bottoms for another minute or two, depending on how crisp you like them. Serve immediately with the dipping sauce and additional chile oil. Wipe the pan clean and cook the remaining gyoza.

(Alternately, uncooked gyoza can be frozen on a baking sheet in a single layer until firm and then stored in resealable plastic bags for a couple months. To cook frozen gyoza, add a second batch of water in step 4 after the first batch evaporates.)

im telling you all... its so worth it to spend a whole evening make 100 million homemade gyoza (even though it takes so long) and freezing them all to have perfect delicious gyoza just the way you like them anytime you want at a moments notice. they seriously take like 10 minutes to prepare from frozen and they are so good. i just had a dumplings and noodles feast you wish you were me

[molecularsievedesi]

If you're looking for a system to purify your biogas, PSA/VPSA model is the way to go. It's a specially designed gas separation system that uses adsorbent to separate the gas. Adsorbents are like molecular sieves, with a tiny pore on their surface that allows them to selectively adsorb molecules like Co2 and N2 under a certain pressure.

Activated carbon molecular adsorbs mostly CO2 and CH4 and is placed at the bottom of the column for the feed inlet.

Zeolite, on the other hand, adsorbs N2 and carbon molecular and is placed on top of activated carbon. The length of each layer that corresponds to the carbon to zeolite ratio, is a key factor in the PSA/VPSA system.

For more information

contact us +91 9879203377,

Email us - molecularsievedesiccants@gmail.com

Website - https://www.molecularsievedesiccants.com

[westerncarbon]

For carbon molecular sieves needs, the carbon molecular sieves manufacturer in India has got you covered! Western Carbon is a leading carbon molecular sieves manufacturer that provides a range of carbon molecular sieves suppliers in India by employing cutting-edge technology at our Hi-Tech manufacturing unit

[lpath081]

Laboratory diaries

Small update on the lab work that I've been doing in Adamson University for my thesis. Progress is slow but somehow fulfilling since we are still the group that is conducting their preliminary tests.

Food and travel costs are expensive, and my back is tired because there are no chairs inside the laboratory. But still, there were little time to sit down tho since it was a busy week. I was tasked with the preparation of the raw materials which includes gathering, cutting, air-drying, oven-drying and pulverizing and sieving the carbon precursor. This entire process can be performed once per two weeks since each cycle of raw material preparation prepares a large enough quantity to supply preliminary tests.

The laboratory does not have air conditioning and the furnaces running creates a hot environment coupled with the requirement of wearing laboratory gowns on top of your clothes adds to the heat and I'm a very sweaty person so I'm a slicked back gecko everytime.

Additionally, the time that the laboratory opens is right on morning rush hour and by the time it closes it is right on the afternoon rush hour which gives 2 hours for each way of commute. This adds on to the stress and is very tiresome but it gives me time to listen to podcasts.

The downside of being at the laboratory everyday, it has hindered directly with the time that I have alloted for my running and workout times. Maybe next week I won't be as needed as often to be at laboratory. Only time will tell. Find the courage to keep moving forward!

[oozechem1234]

Improving Molecular Sieve Gas Drying and Decontamination

Molecular sieves are essential in the gas drying process used across various industries. These materials have highly porous structures with uniform pore sizes that selectively adsorb molecules, depending on their size. They are vital for removing water and moisture from gases, ensuring that pipelines, industrial systems, and other equipment remain dry and efficient. Molecular sieves help prevent corrosion, freezing, and other water-related issues, enhancing the performance and reliability of gas systems. Industries like natural gas processing, air separation, and petrochemical manufacturing rely heavily on molecular sieves to ensure peak performance and minimize downtime.

How Molecular Sieves Aid Gas Purification

One of the primary applications of molecular sieves is gas purification. They work by adsorbing contaminants such as carbon dioxide, sulfur compounds, and hydrocarbons from gas streams. This process ensures that the gases are safer and cleaner for industrial use, particularly in applications where gas purity is critical. High-purity gases are indispensable for various manufacturing processes in the chemical and pharmaceutical industries. Molecular sieves are especially effective in Pressure Swing Adsorption (PSA) and Vacuum Swing Adsorption (VSA) systems, where they guarantee optimal results for gas purification and separation.

Types of Molecular Sieves Used in Gas Drying

Molecular sieves come in various types, each designed for specific gas drying and purification requirements. The most common types, distinguished by their pore sizes, include:

1. 3A Molecular Sieve:

o Pore Size: 3 angstroms.

o Application: Ideal for dehydrating gases with smaller molecular sizes, such as ammonia and hydrogen.

o Benefit: Prevents adsorption of hydrocarbons, ensuring selective moisture removal.

2. 4A Molecular Sieve:

o Pore Size: 4 angstroms.

o Application: The most commonly used type for gas dehydration.

o Benefit: Effectively adsorbs water vapor while avoiding adsorption of larger molecules like ethane and propane. Widely applied in natural gas processing and industrial gas drying.

3. 5A Molecular Sieve:

o Pore Size: 5 angstroms.

o Application: Capable of adsorbing water, carbon dioxide, and hydrocarbons like methane, ethane, and propane.

o Benefit: Essential for gas separation applications, such as separating nitrogen from oxygen or removing carbon dioxide in gas streams.

4. 13X Molecular Sieve:

Pore Size: 10 angstroms (largest among common molecular sieves).

Application: Excellent for removing water, carbon dioxide, and other larger impurities from gas streams.

Benefit: Commonly used in air separation units and petrochemical industries.

Each type of Molecular Sieve Beads offers distinct advantages based on its pore size and adsorption capabilities, enabling businesses to select the best solution for their specific gas drying needs.

Benefits of Using Molecular Sieves for Gas Drying

Molecular sieves provide numerous benefits for gas drying:

Highly Effective Moisture Removal: Ensures optimal operation of gas systems by eliminating water vapor, preventing the formation of hydrates and ice.

Reusability and Cost-Efficiency: Molecular Sieve 13x can be rejuvenated through heating or vacuum treatment, offering a long service life and reducing operational costs.

Superior Performance at Low Moisture Levels: Capable of removing moisture even at very low concentrations, making them suitable for a wide range of industrial applications.

Optimizing Molecular Sieve Gas Drying Systems

Incorporating molecular sieves into gas drying systems significantly enhances the overall efficiency of gas processing operations. Combining molecular sieves with other drying technologies ensures complete removal of moisture from gas streams. To maximize performance, it is crucial to understand the specific moisture content and composition of the gas and select the appropriate type of molecular sieve. This approach is particularly important in industries where gas quality directly impacts product quality or equipment reliability. Molecular sieves also improve system energy efficiency by reducing the need for excessive heating or cooling during the drying process.

Conclusion

Molecular sieves play a critical role in gas drying and purification processes. These highly effective materials ensure that gas streams are free from moisture and contaminants, improving the performance and longevity of industrial equipment. Whether used for natural gas processing, air separation, or petrochemical manufacturing, molecular sieves guarantee the production of high-quality, pure gases. For businesses seeking to optimize their gas treatment systems, investing in the right molecular sieve technology is essential.

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PSA Nitrogen Generator Plants for Various Industry

Nitrogen gas plays a critical role in numerous industries, from food packaging to semiconductor manufacturing. Traditionally, businesses relied on nitrogen cylinders or bulk liquid nitrogen deliveries. However, PSA nitrogen plant technology has revolutionized the industry by enabling on-site nitrogen generation, offering cost-effective, efficient, and reliable gas supply.

In this article, we will explore the working principles of PSA nitrogen generators, their advantages, and how various industries, including the food, chemical, glass, and semiconductor sectors, benefit from them.

How Does a PSA Nitrogen Plant Work?

A Pressure Swing Adsorption (PSA) nitrogen plant operates by separating nitrogen from atmospheric air using carbon molecular sieves (CMS). The process involves two adsorption towers filled with CMS, which selectively adsorb oxygen and other impurities, allowing pure nitrogen to pass through.

Key Benefits of PSA Nitrogen Generation:

On-Demand Supply – Eliminates dependency on external nitrogen deliveries.

Cost Savings – Reduces operational costs associated with liquid or bottled nitrogen.

High Purity – Provides nitrogen with purity levels up to 99.999%, depending on the application.

Eco-Friendly – Reduces carbon footprint by eliminating transportation-related emissions.

Minimal Maintenance – Requires low operational oversight compared to other nitrogen sources.

With these advantages, PSA nitrogen generators have become a preferred choice across various industries.

Industries Benefiting from PSA Nitrogen Generators

1. Nitrogen Generator for Food Industry

In the food industry, nitrogen is widely used for food packaging, storage, and preservation. Oxygen exposure can cause food spoilage and bacterial growth. A Nitrogen Generator for food packaging ensures an inert atmosphere, extending shelf life and maintaining product freshness.

Applications include:

Modified Atmosphere Packaging (MAP) – Used in chips, coffee, and bakery products.

Food Storage & Transportation – Prevents oxidation and moisture damage.

Wine & Beverage Preservation – Prevents spoilage and retains flavor.

2. Nitrogen Generator for Beverage Industry

In the beverage industry, nitrogen is essential for carbonated drinks, beer production, and bottling processes. A Nitrogen Generator for the beverage industry helps maintain product consistency, prevent oxidation, and improve foaming characteristics in beverages like beer and soda.

Common uses include:

Purging oxygen from beverage containers.

Pressurizing kegs and beer tanks.

Nitrogen-infused beverages, such as nitro coffee and beer.

3. Nitrogen Generator for Chemical Blanketing

Many chemicals react with oxygen, leading to degradation or even hazardous situations. A Nitrogen Generator for chemical blanketing creates an inert environment, preventing oxidation, combustion, and contamination.

Industries that rely on nitrogen blanketing include:

Pharmaceuticals – Protects sensitive drug compounds.

Petrochemicals & Refineries – Prevents vapor combustion.

Paint & Coatings – Reduces spoilage and maintains viscosity.

Using a PSA nitrogen plant ensures a consistent nitrogen supply, improving process safety and efficiency.

4. Nitrogen Generator for Semiconductors

The semiconductor industry demands ultra-pure nitrogen for wafer processing, component testing, and circuit board assembly. A Nitrogen Generator for semiconductors ensures a stable and contamination-free production environment.

Applications in semiconductor manufacturing:

Wafer Fabrication & Etching – Prevents oxidation.

PCB Assembly & Soldering – Reduces defects in electronic components.

Laser Cutting & Cooling – Enhances precision in manufacturing.

By using a PSA nitrogen generator, semiconductor manufacturers can achieve higher yields and improve product reliability.

How to Choose the Right PSA Nitrogen Plant for Your Industry

When selecting a PSA nitrogen plant, several factors must be considered:

1. Nitrogen Purity Requirements

Food & Beverage: 99-99.5% purity.

Semiconductors & Electronics: Up to 99.999% purity.

Chemical & Petrochemical: Typically 98-99.9% purity.

2. Nitrogen Flow Rate & Pressure

Determine the required flow rate (Nm³/hr) and pressure (bar/psi) based on industry needs.

Higher flow rates are necessary for large-scale production facilities.

3. Space & Installation Considerations

On-site nitrogen generation requires minimal space compared to liquid nitrogen storage.

Ensure proper ventilation and safety measures for installation.

4. Operational Costs & Energy Efficiency

A PSA nitrogen plant has lower running costs compared to traditional nitrogen supply methods.

Look for energy-efficient models to reduce electricity consumption.

Installation & Maintenance of PSA Nitrogen Generators

Installation Process:

Site Assessment – Evaluate space, power requirements, and safety needs.

Equipment Setup – Connect the generator to the existing gas supply network.

Testing & Calibration – Ensure nitrogen purity and flow rates meet requirements.

Maintenance Tips:

Regular Filter Changes – Keeps the system running efficiently.

Monitor Pressure & Purity Levels – Prevents contamination.

Annual System Inspection – Ensures long-term performance and reliability.

Conclusion

A PSA nitrogen plant provides industries with a cost-effective, reliable, and sustainable solution for nitrogen generation. Whether it's a Nitrogen Generator for food industry, chemical blanketing, semiconductors, or beverage production, businesses can achieve greater efficiency, safety, and quality control with on-site nitrogen generation.

By switching to PSA nitrogen generators, companies reduce operational costs, improve productivity, and enhance product quality while minimizing environmental impact. If you're considering on-site nitrogen generation, now is the time to invest in a PSA nitrogen plant tailored to your industry’s needs.

Would you like a consultation on choosing the right nitrogen generator for your business? Get in touch today!