Zeolitized composite bodies and manufacture thereof

Details Zeolitized composite bodies and manufacture thereof Zeolitized composite bodies and manufacture thereof

1979-03-16

1980-11-25

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

423328, B01J 2906

Patent

active

042357535

ABSTRACT:
An improved process for the production of mechanically strong shaped crystalline zeolitic aluminosilicate bodies from precursor bodies composed of kaolin clay calcined at elevated temperature, the crystallized bodies having essentially the same size and shape as the precursor bodies. Conversion of the calcined clay contained in the precursor bodies to a mixture of crystalline zeolitic alluminosilicate component and a porous amorphous silica-alumina component takes place as a result of reaction between the calcined clay and an aqueous alkaline liquid in which the bodies are immersed. The improved process features the presence of a solution of aluminosilicate nucleation centers during such reaction.

REFERENCES:
patent: 3663165 (1972-05-01), Haden, Jr. et al.
patent: 3671191 (1972-06-01), Maher et al.

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