Preparing zeolite NaA

Details Preparing zeolite NaA Preparing zeolite NaA

1978-06-13

1979-04-17

Meros, Edward J.

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

423328, C01B 3328

Patent

active

041501004

ABSTRACT:
Zeolite NaA can be produced with a very short crystallization time, if an alumino-silicate gel of particular properties is prepared and heated at about 95.degree. C. The gel which is prepared by combining solutions of sodium aluminate and sodium silicate must contain a limited amount of water, be of a single phase and having a high viscosity. Gels of this nature can be heated for a fraction of an hour to yield essentially completely crystallized Zeolite NaA with no crystalline impurities.

REFERENCES:
patent: 2882243 (1959-04-01), Milton
patent: 2904607 (1959-09-01), Mattox et al.
patent: 2958579 (1960-11-01), McCormick et al.
patent: 3055841 (1962-09-01), Gladrow et al.
patent: 3058805 (1962-10-01), Weber
patent: 3425800 (1969-02-01), Hirsh
patent: 4041135 (1977-09-01), Williams et al.
patent: 4071377 (1978-01-01), Schwuger et al.
patent: 4073867 (1978-02-01), Roebke et al.

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