Synthesis of zeolite beta

Details Synthesis of zeolite beta Synthesis of zeolite beta

1991-12-19

1992-08-18

Breneman, R. Bruce

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

C01B 3334

Patent

active

051397595

ABSTRACT:
Zeolite beta is synthesized hydrothermally from an aqueous reaction mixture containing the conventional reactive sources of SiO.sub.2, Al.sub.2 O.sub.3 and Na.sub.2 O tetraethylammonium halide as the source of the crystallization directing tetraethylammonium ions and diethanolamine as the agent providing the increased basicity necessary for the formation of zeolite beta crystals. Seed crystals of zeolite beta are optionally employed to shorten the crystallization period.

REFERENCES:
patent: 3308069 (1967-03-01), Wadlinger et al.
patent: 4554145 (1985-11-01), Rubin
patent: 4642226 (1987-02-01), Calvert et al.
patent: 4923690 (1990-05-01), Valyocsik et al.

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