Process for the production of molecular sieve granulates

Details Process for the production of molecular sieve granulates Process for the production of molecular sieve granulates

1991-04-01

1992-03-24

Schor, Kenneth M.

Chemistry: physical processes

Physical processes

Agglomerating

423328, 502 70, 23313AS, C01B 3334, C01B 33113

Patent

active

050984489

ABSTRACT:
A process for the production of silica-bound zeolite granulates is disclosed, wherein zeolite to be formed into a granulate is mixed with silica sol. The process is carried out by adding aqueous alkali metal silicate to the silica sol immediately before the silica sol is mixed with the solid zeolite to be granulated. By the described process, granulates of various grain sizes can be obtained, and the resultant granulates can have a narrow grain size distribution.

REFERENCES:
patent: 3275571 (1966-09-01), Mattox
patent: 3356450 (1967-12-01), Heinze
patent: 3886094 (1975-05-01), Pilato et al.
patent: 3894964 (1975-07-01), Roebke et al.
patent: 4249903 (1981-02-01), Smolka
patent: 4414130 (1983-11-01), Cheng
Donald W. Breck, pp. 138, 143 and 162, 181 -183, Zeolite Molecular Sieves, Structure, Chemistry, and Use, 1974.

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