Process for direct synthesis of sodium- and potassium-containing

Details Process for direct synthesis of sodium- and potassium-containing Process for direct synthesis of sodium- and potassium-containing

1984-05-04

1985-08-13

Meros, Edward J.

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

423328, 502 60, C01B 3328

Patent

active

045349479

ABSTRACT:
Zeolite A containing sodium and potassium ions, otherwise known as 3 .ANG. molecular sieve, may be prepared by a direct route when the aqueous aluminosilicate reaction mixture to be aged at elevated temperatures contains a mole ratio of Na.sub.2 O to Na.sub.2 O and K.sub.2 O which is greater by a factor of about 1.1 than the mole ratio of Na.sub.2 O to Na.sub.2 O and K.sub.2 O in the zeolite A product. Preferably, the reaction mixture also contains zeolitic nucleation seeds to promote crystallization of the product.

REFERENCES:
patent: 2882243 (1959-04-01), Milton
patent: 3071434 (1963-01-01), Frilette
patent: 4340573 (1982-07-01), Vaughan

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