Preparation of zeolites

Details Preparation of zeolites Preparation of zeolites

1975-10-30

1978-05-23

Meros, Edward J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252455Z, 423118, C01B 3328, C07F 506

Patent

active

040910075

ABSTRACT:
An improved method for preparing a crystalline aluminosilicate zeolite having uniform pores and greater than 40 percent crystallinity which comprises forming a critical reaction mixture containing a source of at least two cations, silica, alumina and water, wherein at least about 70 weight percent of the alumina is provided to the reaction mixture by an alumina-containing clay being added thereto, and maintaining the reaction mixture at a temperature and pressure for a time necessary to crystallize the crystalline aluminosilicate from the reaction mixture. It is desirable to preform said reaction mixture into discrete particles such as pellets or extrudates which retain their shape and acquire substantial strength in the crystallization process.

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patent: 3119660 (1964-01-01), Howell et al.
patent: 3431218 (1969-03-01), Plank et al.
patent: 3515682 (1970-06-01), Flank et al.
patent: 3642434 (1972-02-01), Dwyer
patent: 3702886 (1972-11-01), Argaver et al.
patent: 3849463 (1974-11-01), Dwyer et al.

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