Porous zeolite granules stable in aqueous solutions

Catalyst – solid sorbent – or support therefor: product or process – Zeolite or clay – including gallium analogs – And additional al or si containing component

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B01J 2906

Patent

active

046135782

ABSTRACT:
Porous granules that contain separate particles of alkali metal silicate and zeolite are stable and are efficient ion exchangers in aqueous effluents and/or solutions. Said granules are heated to provide the stability required so that even though some silicate may dissolve when the granules are exposed to water, the zeolite does not disperse throughout the water.

REFERENCES:
patent: 3296151 (1967-01-01), Heinze et al.
patent: 3382187 (1968-05-01), Drost et al.
patent: 3624003 (1971-11-01), Conde et al.
patent: 3764563 (1973-10-01), Minachev et al.

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