Process for preparing ultrafine aluminum silicate salt particles

Details Process for preparing ultrafine aluminum silicate salt particles Process for preparing ultrafine aluminum silicate salt particles

1997-12-10

1999-01-12

Straub, Gary P.

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

95118, 106483, 4233271, 4233272, 4233281, 4233282, 4233283, 4233301, 423331, 502235, 502237, B01D 5302, C04B 1404, C01B 3326, B01J 2108

Patent

active

058583203

ABSTRACT:
A process for preparing ultrafine aluminum silicate salt particles, said process comprising the steps of admixing a solution of aluminum chloride with water glass to form an aluminum silicate gel, adding a suspension of calcium and magnesium hydroxides into said aluminum silicate gel to form a calcium and magnesium salt of aluminum silicate, aging said calcium and magnesium salt of aluminum silicate by heating and agitating, neutralizing a mixture of a solution of sodium aluminate and water glass by adding hydrochloric acid to form another aluminum silicate gel, and admixing said another aluminum silicate gel into with aged calcium and magnesium salt of aluminum silicate, and simultaneously heating and agitating the resulting mixture.

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patent: 5424258 (1995-06-01), Mangold et al.
patent: 5470435 (1995-11-01), Rushmere et al.

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