Micro-particulate aluminosilicate and process for producing the

Details Micro-particulate aluminosilicate and process for producing the Micro-particulate aluminosilicate and process for producing the

1991-04-17

1993-02-02

Breneman, R. Bruce

Chemistry of inorganic compounds

Zeolite

Aging to induce zeolite formation from inorganic mixture

C01B 3334

Patent

active

051836505

ABSTRACT:
A micro-particulate aluminosilicate suitable for use as an ion exchanger, adsorbent or the like has a mean particle size of not greater than 3 .mu.m (micrometers), preferably not greater than 1 .mu.m, as measured by precipitation particle size distribution measuring method. The micro-particulate aluminosilicate is produced by a process having the steps of preparing an aqueous solution as a solvent, the aqueous solution containing a water-soluble polymer dissolved therein; adding to the aqueous solution a metal hydroxide or a metal salt, a metal aluminate and colloidal silica as essential components and stirring the mixture to uniformly disperse the essential components so as to form a cake; and synthesizing the micro-particulate aluminosilicate by allowing the cake to mature followed by heating.

REFERENCES:
patent: 4371510 (1983-02-01), Christophliemk et al.
patent: 4372931 (1983-02-01), Ambs
patent: 4416805 (1983-11-01), Kostinko
patent: 4649036 (1987-03-01), Pastorello et al.
patent: 4894214 (1990-01-01), Verduijn et al.
patent: 4957719 (1990-09-01), Taga et al.
Vaughan, D. E. W. "The Synthesis and Manufacture of Zeolites" Chem. Eng. Progr. Feb. 1988 pp. 25-31.

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