Understanding the application of Zeolite for water filtration

Understanding the application of Zeolite for water filtration

Technology is continually expanding and altering to satisfy humanity’s demands, one of which is clean water. The water treatment business is always studying, testing, and creating new and improved methods of treating wastewater & drinking water in an efficient & ecologically responsible manner. Zeolite for water filtration medium is a natural and sustainable treatment option. This zeolite method treats greywater, drinking water, & wastewater treatment.

For thousands of years, mankind has used natural resources to better their quality of life. Sometimes we utilize them in the manner in which they are accessible in the environment, whereas in other scenarios, we create new and unique methods to use them. Sand & charcoal are two common examples of this. These media are used as filter mediums in water treatment.

What is Zeolite?

Zeolite can occur when volcanic rock, as well as ash, combines with alkaline fluids. Zeolite is indeed a mineral that may create a variety of structures called alumina silicates. These structures are made up of arrays of aluminum, silica, and oxygen. Clinoptilolite is the most frequent. Because of their shape and chemistry, they are microporous and have a high proclivity for cation exchange.

Because of possible impurities, the degree of such exchange capabilities varies from type to type. This is also considerably lower in naturally occurring zeolites. Zeolites, on the other hand, maybe easily synthesized using a heated mixture of silica, alumina, & sodium hydroxide.

What characteristics distinguish zeolite water filtration media as an excellent filter media?

Whenever it comes to filtration, the more pores inside the treatment medium, the better the filtration effectiveness. Zeolite for water filtration as a medium has numerous holes in it. Due to this, it not only captures particles between grains but also absorbs them into its pores to catch them. This is accomplished in part by zeolite minerals’ capacity for ion exchange. In this context, Zeolite accepts positive ions from water & substitutes them with something else.

Zeolite has a high effective surface area because of its significant pore density. This means it may catch significant quantities of pollutants before reverse washing is required. Adsorption can also be used by the medium to catch and remove particles. This is an active phenomenon in which particles stick to the surfaces of the medium rather than passively becoming trapped between grains.

Zeolite for water filtration is significantly less prone to clogging. That results in a reduced pressure drop during treatment. This media is also much more chemically resistant than other mediums. And this might remove/reduce specific hardness minerals, enabling it to serve as a water softener.

Substances removal by zeolites

Removal of ammonia/ammonium

The elimination of ammonia (NH3) & ammonium (NH4+) is an essential feature of Zeolite for water filtration. Ammonia is extremely hazardous to fish in aquaculture. At the same time, even low amounts can cause sickness and development suppression. Ammonia can be fatal to fish at greater concentrations.

Ammonium ions are introduced into swimming pools by swimmers. It often interacts with free chlorine to produce chloramines. They irritate the eyes and the skin.

Ion exchange and, at greater concentrations, adsorption is used by zeolites to remove ammonium ions. The wastewater’s ammonium ions are swapped for sodium ions. Zeolites have a dynamic capacity for ammonium of roughly 0.9 meq/g.

Zeolites are used in swimming pool filtration.

It is simple to switch to zeolites in the swimming pool: replace the old media & fill the filter to the stated height with Zeolite. There are no modifications required to the tank, valves, or pipework. The pH of the water should be kept between 7.2 and 7.6. Except for flocking agents, chemicals should be dosed after the filter. During operation, there will be a reduction in chemical use.

Because zeolites have a high dirt holding capacity, the intensity of backwashing is lowered. This, in turn, results in water savings. The purity of Zeolite for water filtration is quite high. Zeolite is substantially less thick than sand due to its very porous structure. Hence less Zeolite is required by weight. The usage of zeolites reduces chlorine use and creates a better swimming experience in pools.

The material used as a carrier in biological waste treatment

The inner surface structure of zeolites makes them useful as a carrier system in both anaerobic & aerobic biological wastewater treatment plants. A benefit of employing them is that a variety of chemicals that are digested by bacteria are likewise adsorbed by zeolites.

This causes ammonium to be eliminated from the start, eliminating the need to wait till a stable bacterium column has developed—furthermore, the Zeolite for water filtration functions as a barrier for ammonium ions. If there is a high ammonia production, Zeolite adsorbs some of the ammonia. And if the ammonia concentration seems low, bacteria metabolize some of the adsorbed ammonium.

Removal of organic substances

A variety of organic compounds can be absorbed by Zeolite for water filtration. The mineral has the greatest affinity for polar organic substances like chlorinated hydrocarbons. The molecules are either adsorbed in micro or mesopores, depending on their diameter.

The capacity of adsorption is highly dependent on the conditions under which it is done. At the time, further research on this subject of interest is being conducted.

Removal of solids

Because zeolites are granular, solid & suspended particles become trapped between grains. The porous texture also causes organic and mineral colloid particles to be extracted from the water. The capability for solid particle removal is up to 45 percent more than that of sand with a comparable particle size distribution.

Zeolite is an Excellent Water Filtrations Medium

Zeolite is used for water filtrations purposes because it makes for an excellent medium. It is an efficient and reliable filtration medium for filtering out contaminants easily. Not just that, it can also help filter industrial wastewater. Industries looking for a reliable and low-risk method of water filtration can consider zeolite.

What makes zeolite for water filtration work? Here are the reasons why it is a great option:

Has the Ability to Filter Out Variety of Solvents

One of the best things about zeolite is that it can remove a wide variety of contaminants. Industrial wastewater contains many harmful elements, such as heavy metals, hydrocarbons, ammonia, Nitrates and phosphates, Oils and organic substance too. If these things are not removed before releasing the water into the environment, it can cause huge damage. Which is why, it is important to find a filtration medium that can easily remove all the harmful elements from water. In this regard, zeolite is an excellent choice. As you know, it can easily remove multiple contaminants from wastewater.

It Provides a Low-cost Solution

Industries need efficient water filtration method that can easily fit into their budget. Unlike other methods, such as Reverse Osmosis, zeolite for water filtration method is a great option. In many ways, zeolite is very cost-effective. For instance, it doesn’t need complex set-up like other methods. This can considerably reduce the cost for companies that produced wastewater. It works perfectly for removing contaminants from water.

A small amount of zeolite is enough to treat wastewater. It mostly comes in powder from and can be added to filtration tank. It is interesting to note that zeolite has high pore density. This enables it to capture high concentrations of contaminants without any hassle. The pores on the surface of zeolite can absorb and capture solvents very easily. The large surface area of zeolite is one of the reasons why it is a cost-effective method.

Resistant to Abrasion

Zeolite is not affected by the contaminants. It doesn’t get abrasion from it, which makes it a good water filtration medium. As you know, industrial wastewater can contain a wide range of contaminants. Some of these can be very abrasive like the heavy metals. Zeolite is strong and abrasion resistant. Meaning, it is highly unlikely that it will suffer damages from it. It also means that the quality of water filtration will not be affected. This feature is important consideration for industries that need a highly efficient water filtration medium. Zeolite can easily meet the quality and efficiency needs of many industries. Plus, it can save time and cost for a variety of industries that produce wastewater during their production processes.

Eco-Friendly Water Filtration Method

Industries are under lot of pressure these days to become eco-friendlier. Climate change has become a huge issue and everyone needs to do their part. People are now more conscious of brands they indulge with. They want to associate with brands that are eco-friendly. So, for industries looking for eco-friendly water filtration solution without compromising on quality, zeolite is the option.

Zeolite for water filtration is an excellent choice for industries looking for a safer method. This is a substance that can easily remove contaminants without causing harm to the people or water or anything associated with it. It doesn’t contain any toxic elements like additives or dyes. It can be easily used for removing a wide range of contaminants without any difficulty.

In many ways, zeolite for water filtration is an ideal choice for industrial wastewater treatment needs.


Natural Zeolite is indeed a novel and extremely effective natural filter media for water filtration. Natural Zeolite outperforms sand & carbon filters. That provides purer water and better throughput ratios with less maintenance. It outperforms sand in many ways and may be used to effectively replace sand in a standard sand filter.

Keiken Engineering is a young, energetic, and agile company that provides a wide range of products & cutting-edge services for desalination, industrial project management, energy efficiency, water treatment, & professional screening for key jobs. Furthermore, we provide all of these solutions at a very low rate. If you need to call us, please dial +34-91-057-7254. To reach us via mail, write to us at info@keiken.es.