Stoichiometric process for preparing a zeolite of the L type

Details Stoichiometric process for preparing a zeolite of the L type Stoichiometric process for preparing a zeolite of the L type

1986-05-13

1987-04-14

Doll, John

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

423328, 423118, C01B 3328

Patent

active

046577491

ABSTRACT:
A zeolite of the L type is prepared by an approximately stoichiometric process wherein the zeolite is crystallized from a reaction mixture aged at from 80.degree. to 260.degree. C. containing specified ranges of molar ratios of KOH (and optionally a minor amount of NaOH), water, potassium silicate, and a source of alumina preferably derived from kaolin or halloysite. Most preferably, the source of alumina is metakaolin.

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patent: 3808326 (1974-04-01), McDaniel et al.
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patent: 4544539 (1985-10-01), Wortel
patent: 4554146 (1985-11-01), Vaughan
Breck "Zeolite Molecular Sieves", 1974, pp. 313-320.

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