Improvements to solid granular catalysts, process for their prep

Details Improvements to solid granular catalysts, process for their prep Improvements to solid granular catalysts, process for their prep

1988-10-07

1990-09-11

Dees, Carl F.

Catalyst, solid sorbent, or support therefor: product or process

Zeolite or clay, including gallium analogs

Including organic component

502 10, B01J 2906, B01J 3702

Patent

active

049563220

ABSTRACT:
The invention relates to a solid granular catalyst subject to degradation by exposure to humidity and/or oxygen, wherein each granule of the catalyst is coated with a continuous and removable protective film of a material that is impermeable to gases and moisture and inert to the constituents of the catalyst.

REFERENCES:
patent: 2885368 (1959-05-01), Hess et al.
patent: 3453217 (1969-07-01), Kozlowski
patent: 3563912 (1971-02-01), Young
patent: 3720627 (1973-03-01), Jarvis
patent: 3849334 (1974-11-01), Frielingsdorf

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