Process for the preparation of zeolite A from kaolin

Details Process for the preparation of zeolite A from kaolin Process for the preparation of zeolite A from kaolin

1979-11-19

1981-06-02

Albrecht, Dennis L.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group iiia metal or beryllium

252140, 25217425, 252179, 423264, 423328, C01B 3328, C02F 142, C11D 312

Patent

active

042711304

ABSTRACT:
The invention provides a process for the production of zeolite A from kaolin by conversion of the kaolin into meta-kaolin followed by reaction of the meta-kaolin in an aqueous alkaline medium, wherein the conversion of the kaolin into the meta-kaolin is conducted at temperatures of between 700.degree. and 950.degree. C. in the presence of alkaline earth compounds and optionally in the presence of uncolored halides and/or halogens, wherein the process may be conducted under reducing conditions and in the presence of alkali metal compounds.

REFERENCES:
patent: 2307239 (1943-01-01), Rowland
patent: 3021195 (1962-02-01), Podschus
patent: 3939246 (1976-02-01), Rollmann
patent: 4034058 (1977-07-01), Jameson
patent: 4075280 (1978-02-01), Fitton
patent: 4089929 (1978-05-01), Christophliemk

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