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If you have ever heard of zeolite molecular sieves, then there is also zeolite powder. This is the powder version of the different molecular sieves. People often want the powder form too rather than the beads and pellets. This is because the powder form would increase the surface area thus leading to a more adsorption rate that various applications need. 

The zeolite powder is still a crystal aluminosilicate. For its shape and features, you will find it a good choice for adsorbing molecules of water, hydrogen sulphide, and carbon dioxide. There can be other molecular types based on the zeolite powder you are buying. So, always take note of that. 

Now for the types of zeolite powder, there will be the 3A zeolite power, 4A zeolite powder, 5A zeolite powder, and 13X zeolite powder. These are the popular options that SWT offers. However, that is not the end since SWT also offers specialized zeolite powder types. They are mostly special orders and are meant for specific applications. 

The zeolite powder can also be regenerated just like the beads or pellets. The regeneration will always be vital to help desorb the zeolite powder from SWT for another round of adsorption. SWT will have the right guidelines for you to follow when regenerating the zeolite powder. Go ahead and get the right zeolite powder from SWT today.

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Zeolite Powder: A High Quality and Versatile Desiccant


Depending on the need for a desiccant, you can often come across options such as zeolite powder. The zeolite powder from SWT has always been a popular choice for those who need a high-quality desiccant. In case you feel intrigued, you should go ahead with reading this guide to find out more what the zeolite powder will do for your application and if it is what you need. 

What is Zeolite Powder?

zeolite powder 1

The zeolite powder will be a popular choice for those who want a better adsorbent than what they have been using before. It is the same as the zeolite beads and paste only that this time round it is the form of powder. There are many reasons why people choose to get it in powder form, what is crucial is that you always experience better adsorption capacity. 

Zeolite powder is still a molecular sieve in the sense that it will have an adsorbing capacity depending on the type. As such, it would be able to adsorb some molecules and leave others based on their size. Also, some special conditions would make the zeolite powder good at adsorbing certain molecules better than others. 

SWT can get you both the zeolite powder type A and X. There can be many other specialty types depending on your needs. We will look at more of the zeolite powder types later. Just know that each of the types would have a place where they can work best. 

What are the Recommended Types of Zeolite Powder?

zeolite powder types

Whenever you want to buy zeolite powder, a manufacturer would ask you to specify the type that you want since they are many. If you have no idea which are the types of zeolite powders, here are examples to help learn more. 

  • Zeolite powder 3A

This aluminosilicate alkali metal comes with a pore size of around 3 angstroms and hence the name 3A. This is achieved during the ion exchange process where there is the use of potassium to form a uniform crystal structure. 

The size of the pores should tell you a lot of information. For this type, it can be used in the adsorption of molecules not more than 3 angstroms. 

The zeolite powder of this nature will have a package moisture capacity of 21% per its weight. So, its performance is generally good. 

  • Zeolite Powder 4A

 The zeolite powder 4A would be made of the same material as the zeolite powder 3A. The only difference is that this one would have a larger pore opening. For this one, the opening would be 4 angstroms rather than the 3 angstroms. As a result, it would adsorb even those larger molecules. 

The zeolite powder 4A will come with an improved adsorption capacity because of its pore size. So, it would generally have more applications in different industries. 

Actually, all the other zeolite powder types start as the 4A type which has sodium ions. Through ion exchange is when you can derive the other types of zeolite powders. 

  • Zeolite Powder 4A

When the 3A and 4A types had potassium and sodium respectively, this one has calcium ions. With the calcium ions, you end up with an improved crystal structure performance too. It is pore size is now 5 angstroms. It does not necessarily mean it is the best, but it would be vital for some specific applications that need the use of such types of pore size. 

How about the water adsorption capacity? The good thing about its water capacity is that it can go up to 27% of its weight. Looking at the other types, this will be a good choice for static water adsorption. 

The 5A type of zeolite powder would have multiple applications too due to capacity. SWT will package it correctly ensuring that it can always be delivered right while maintaining its adsorption capacity. 

  • Zeolite Powder 13X

The zeolite powder 13X will be a popular choice definitely for those still looking for an aluminosilicate molecular sieve with more adsorption capacity. This one has a pore size of up to 10 angstroms due to use of sodium ions. The only difference with the other types of zeolite powder is that it has a different crystal structure. 

With more capacity means more applications too. You would then be using it with many applications as SWT recommends. 

The static water adsorption capacity will be more than 32% of its body weight. This is a great thing for your different applications that might need a lot more water adsorption performance. 

Those mentioned above are the major types of zeolite powder. However, based on what a client wants, there can be other specialty types. These are designed and made on order. This is because of their specific applications. 

How Effective is the Zeolite Powder than the Beads or Paste?

zeolite powder and beads

When you are seeking the best zeolite powder types, you will notice that there would be several types, but they will have similar crystalline structures. The only difference is the pore sizes. The pore sizes determine how much the zeolite powder would adsorb. 

The popular forms are spherical, powdered, and paste. This time round we will settle for the powdered form to help understand how important it is. 

The beads would mostly be used in the filtration systems including breathing equipment and gas streams. However, the zeolite powder would be chosen because it comes with higher dispensability. Also, it is able to adsorb the molecules of the different compounds faster than what the molecular beads can do. 

Having better dispensability will make the zeolite powder to be used in some specialized uses. A good example is that it would be added to polymers and paint too. This is to help in removing air bubbles and moisture. 

The same zeolite powder would also be added to adhesives and sealants. This is mostly because you do not need the moisture in some products which would easily degrade. 

One thing to note is that this type of zeolite powder will have high affinity to moisture so ensure they are stored correctly until when they have to be used. 

What are the Applications of Zeolite Powder?

Zeolite powder industrial uses

Zeolite powder would always be a great choice for those wanting to deal with a couple of applications involving the removal of moisture and water in other compounds. However, there will be many other applications of the zeolite powder. Here they are;

  • Polyurethane industry 

Moisture tends to be a challenge in the polyurethane industry. This is because the material would often attract moisture easily. You would then end up with a contaminated product that does not last for long. So, the use of the zeolite powder is to help in adsorbing of the moisture on the molecular level. As a result, the zeolite powder would help to block the formation of foam and bubbles in the products. Since the products would now be free from water, the quality becomes better and the shelf life is also improved. 

  • Anticorrosion painting and coating 

The active ingredients in the paint and coating include zinc and tin. Such coating would easily react with moisture leading to some contaminations or even poor-quality products. Here, the use of the zeolite powder 4A type is recommended. The zeolite powder would prevent the reaction with water in the coatings and paint too. So, you can use the paint for longer without issues. 

  • Specific polymers 

Many commercial polymers will often adsorb water molecules and lead to cosmetic defects on their surfaces. This is also where you need the use of the zeolite powder to help in rapidly adsorbing the moisture in areas where these polymers are used. The zeolite powder would also prevent the occurrence of such issues in the future. 

  • Deep dehydration of solvents 

The removal of moisture from solvents and pigments is vital for the longevity of the product. The activated zeolite powder would be vital in the adsorption of the impurities deeply embedded in the solvents and pigments. You would generally see better lifespan of the solvents. 

Are the Zeolite Powders Used in the Manufacturer of Insulated Glass?

insulated glass with zeolite desiccant

The zeolite powders can have some interesting features that would make them good for different applications. That is how you might find them also being used in the manufacturer of insulating glass and help fogging on the insulated glass. 

Fogging on the surfaces of the glass is due to the water condensing. Window fogging is not something that you want because it makes visibility an issue thus beating the essence of having an insulated glass in the first place. 

So, there is the need for proper control of the moisture between the panels. That is why desiccants such as zeolite powders would be used in adsorbing the water. When the moisture is reduced, you can always find a clear panel. They would keep working until that day when they need replacing since they are full of moisture and can no longer adsorb more. 

You will mostly find that such zeolite powder would also be important in other industries such as air industries, petrochemicals, and so much more. 

How Does Zeolite Powder 13X Work for Removing Mercaptans?


LPG is what most people use a source of energy. For most people, they find it being a clean and efficient form of energy. However, you should know that LPG in its raw form would have impurities. So, what are mercaptans? 

Mercaptans will be defined as the organic components of Sulphur combined with hydrocarbons. Such compounds would lead to impurities in the LPG gas. You will notice that such contaminants will have a corrosive nature and smell bad. So, these impurities have to be removed if the gas is going to be better and also offer long life. 

To help with the removal of mercaptans, there is the use of the zeolite powder 13X. These zeolite powders are seen as ideal since they can handle more molecules of different sizes. Well, the type has a pore diameter of up to 10 angstroms, so it should be good for adsorbing all the molecules of size less than 10 angstroms. 

The removal of the mercaptan from LPG is simple. All the company has to do is pass the stream of LPG through a zeolite powder sieve 13X. When the zeolite powder passes through the sieve bed, the powder will adsorb the mercaptans. 

Once the zeolite powder is full with mercaptans, it would then be purged with gas to regenerate it for more processing. Always follow the instructions of zeolite powder regeneration to keep it working great always. 

What you should note is that sometimes mercaptans are allow in LPG. However, this time it would be in small amounts. The idea is to help people detect leaks in their LPG system. When you notice the smell at home, take the time to find the leak and have it plugged. 

Can Zeolite Powders Be Used for Solar Energy Storage?


This is a quite unique application that is also not fully explored. The zeolite powder has in the past shown that it can store solar heat thermochemically thanks to the use of solar thermal collectors. In such an application, studies show that zeolite is able to adsorb high amounts of heat and would hydrate and dehydrate without changing its structure. That is how you would notice that there is an energy releasing reaction when the zeolite powder transitions from being dehydrated to hydrated. It could possibly be great for harvesting solar heat energy and waste heat too. 

What is the Role of Zeolite Powder in Conversion of Rectified Spirits to Products Such as Ethanol?

Zeolite ethanol manufacture

The rectified spirit simply means that it is water mixed with ethanol. This would happen when ethanol is passed through repetitive distillation process. Such rectified spirits would have water at 5% and ethanol at 95%. 

The conversion of rectified spirits to ethanol can take many routes. What is vital is finding one that would do a good job. The best method so far would be the use of zeolite powders. This is where the molecular sieves are added to the rectified spirit mixture. Just like that, the zeolite powder would be able to adsorb water. 

This process mostly uses zeolite powder 3A type. Let the powder sit in the mixture for at least 12 hours. Since the zeolite powder 3A has a pore size of 3 angstroms, it will only allow the adsorption of the water molecules leaving the ethanol molecules. With such simple processes, you would now have dry ethanol. 

This process of drying ethanol is also based on the concept of pressure swing adsorption. In case you ever need the best zeolite powder, SWT would be quite the best choice for you. We will help learn more on how to use the powder effectively too. 

Can You Use Zeolite Powder in PSA Oxygen Generators?

Zeolite oxygen concentrators

Yes. The zeolite powder would also work like the zeolite beads in the separation of oxygen from the existing air. The process that would be used in the oxygen generators include the pressure swing adsorption. 

The PSA method is seen as an effective method because of the zeolite powder desiccant. The powder would help in achieve high purity oxygen by the end of the process. 

What you should know that the air is mostly a mixture of different gases. Since there are many applications of oxygen gases, having an equipment that can do the job is important. SWT can also provide you with the best PSA oxygen generator too. So, in addition to the zeolite powder, you should also get the equipment to use the product with. 

If you have not used the PSA equipment before, you should get a comprehensive manual too from SWT. The idea is to help in ending up with high purity oxygen so that it can be used in specific applications that you need. 

How Good is Zeolite Powder in Relation to other Desiccants?

Zeolite vs activated alumina balls

Zeolite powder will always be a popular desiccant. Because of its crystalline structure, you should find it a good choice for adsorbing liquids and gases even better. It may be why you find them a lot in the industrial application level. It is because of this that those who want a desiccant might always pick the zeolite powder. However, it that the only desiccant material in the market? Well, certainly not. How does the zeolite powder compare to the other options in the market? 

  • Activated alumina balls 

The first alternative is activated alumina balls. This desiccant is simply a solid form of the aluminum oxide compound. It is quite a porous material that will be excellent in drying of compressed air. It is still key for drying of liquid streams. 

The activated alumina desiccant would mostly be used in the purification of the gas streams because of the excellent adsorption of the specific compound molecules. You would also find the same having catalyst and filtration of water properties. It may be why you would find it a great choice for the desulfurizing of natural gas. 

Reusing the activated alumina balls is easy like when reusing zeolite powder. You need to reheat the balls to a maximum of 316 degrees C. So, it is a good choice for continuous use without easily disintegrating. 

  • Silica gel 

The use of silica gel has not started recently. For decades people have used silica gel in making sure that they can handle better moisture adsorption. You would mostly come across silica gel in form of beads. This helps in providing more surface area so that it can adsorb more water. Also, it would hold even around 35% of its weight. That is quite good ensuring that it can keep the application quite good. 

Silica gel would also have interesting features vital for the use as a desiccant. Such features include being non-corrosive, odorless, non-toxic, non-flammable, and also chemically inert. You should always find such features a vital part of a good desiccant. 

There will be two main variants of the silica gel. You can find the indicating silica gel and the non-indicating silica gel. The indicating silica gel is one that would change its color when it is full and needs replacing or recharging. As for the non-indicating, it will remain white even if it is full of moisture. 

So far, each of the desiccants mentioned above will only be good depending on what you want to achieve. If you take your time to look at their respective features, you should find the best one for the job. 

Are Zeolite Powders Good in the Catalysis Process?


What most people might not have known is that zeolite powders would also be a great choice as catalysts for some processes. Most of the time, it would involve organic molecules. The zeolite powders would be necessary for cracking, hydrocarbon synthesis, and isomerization. That is how you would find them mostly being used as part of catalytic reactions involving induced metal reactions and acid base reactions. 

The zeolite powder would also be chosen as shape-selective catalysts because of their crystalline structure. This means they would react with certain compounds and leave the others. That is how they end up being considered as oxidation catalysts too. 

Some of the industries that would use zeolite powders as catalysts include synfuels production, petrochemicals, and petroleum refining. 

What is Ion Exchange in Relation to Zeolite Powder?

Zeolite powder ion exchange

The Zeolite Powder would be a great option too in the processes that involve ion exchange. The material would easily exchange the different cations when mixed with an aqueous media. Such an application for ion exchange is when being used in the water softening devices. 

When used in the water softening process, you will find that sodium in the zeolite powder gets exchanged for magnesium and calcium in the water. You should be able to remove the radioactive ions also from the contaminated water. So, the use of zeolite powder will always be more depending on how good of an adsorbent you want. 



The guide above on the zeolite powder is enough to give you an idea of what makes a good adsorbent. Reading through the guide should help you see that it is a versatile choice for you to have right now. Also, you can always rely on it to be good at its job. If you do not understand how each type would be used, let SWT help. Talk to our highly qualified support team to get all the help. 

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