What are uses of zeolite?

Based on the pore size and absorption properties, zeolites are among the most important inorganic cation exchangers and are used in industrial applications for water and waste water treatment, catalysis, nuclear waste, agriculture, animal feed additives, and in biochemical applications (Bogdanov et al., 2009).

How nitrogen is removed in oxygen concentrator?

The compressed air moves to the sieve bed filters. The sieve bed filter plays an important role, as it is the device that removes the nitrogen from the air. A material called Zeolite, which is a six-sided microscopic cube with holes on each side, is in the sieve bed and this is what removes the nitrogen from the air.

What is the properties of zeolites?

Zeolites have two main properties: adsorption and ion exchange. These two properties are due to reactive surfaces, due to the presence of Al3+ on adsorption sites with a Si4+ ion resides, and the micropores crystalline system. These properties allow the zeolite for several applications.

What is zeolite process?

i. A base exchange method of treating hard water, in which zeolites, contained in a tank, remove salts. The zeolite layer is regenerated by backflushing with brine.

What is life of zeolite?

Both freshly prepared and steamed MFI zeolite catalysts have been tested for service life. It has been shown that the zeolite cycle length is increased from 7 to 60 days by steaming. In contrast, comparative testing under mild conditions at 300°С has demonstrated low on-stream stability of the catalyst after steaming.

What do you mean by zeolites?

Zeolites are microporous, aluminosilicate minerals commonly used as commercial adsorbents and catalysts. Based on this, he called the material zeolite, from the Greek ζέω (zéō), meaning “to boil” and λίθος (líthos), meaning “stone”.

What is 5A zeolite?

Zeolite Molecular Sieve 5A are crystalline metal aluminosilicates having a threedimensional interconnecting network of silica and alumina tetrahedra. Natural water of hydration is removed from this network by heating to produce uniform cavities which selectively adsorb molecules of a specific size.

What is zeolite 13X?

Zeolite 13X is the most commonly used adsorbent in the air separation for oxygen production. Zeolites are aluminosilicate crystallines of alkaline or earth alkaline elements such as sodium, potassium and calcium.

Why are zeolites good for adsorption?

All natural zeolites contain aluminium and are hydrophilic. These materials form a good absorbent for polar substances (e.g. water and water-soluble substances). When the aluminium is removed, the zeolite becomes hydrophobic and is able to adsorb apolar substances like VOC’s.