PROCESS FOR PREPARING POWDERY 4A TYPE ZEOLITE Russian patent published in 1994 - IPC

Abstract RU 2005692 C1

FIELD: inorganic chemistry. SUBSTANCE: a diluted solution of sodium silicate is atomized by a nozzle at 70-80 C and added to a dilute clear mother liquor derived from the production of Al(OH)₃ by the Buyer process. The spontaneously precipitated material in the mother liquor at 70-80 C is subjected to the ripening process until a finely crystalline powdery 4A type zeolite is formed having a granulometric composition in which d₅₀ is not greater than 3 micros. EFFECT: improved properties of the zeolite.

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RU 2 005 692 C1

Authors

Uve Gil'Tsau[De]

Dates

1994-01-15—Published

1990-04-09—Filed