Zeolites are crystalline, hydrated aluminosilicates are formed in nature or can be synthesized. The
zeolites framework of [SiO4]
4- and [AlO4]
5- tetrahedral, bonded together via the oxygen atoms. Hence,
they are generating a high internal surface area available for adsorption and catalytic processes. The
properties of zeolites are molecular sieves which make them particularly suitable for use as catalysts.
They are well-defined uniform pore and crystal structure, temperature stability and easy ion-exchange
method