Ph control by bulky organic bases during noble-metal exchange of

Details Ph control by bulky organic bases during noble-metal exchange of Ph control by bulky organic bases during noble-metal exchange of

1987-12-29

1989-03-21

Dees, Carl F.

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

Zeolite or clay, including gallium analogs

Including organic component

502 66, 502 74, 502213, B01J 2904, B01J 2932

Patent

active

048143065

ABSTRACT:
A method is disclosed which provides improved control over the noble-metal exchange of zeolite catalyst by using bulky organic bases to control pH during the metal loading step.

REFERENCES:
patent: 4188282 (1980-02-01), Tabak et al.
patent: 4209384 (1980-06-01), Hilfman
patent: 4556646 (1985-12-01), Bezman
patent: 4615997 (1986-10-01), Chen et al.
patent: 4683214 (1987-07-01), Angevine et al.
patent: 4699894 (1987-10-01), Santilli et al.
patent: 4735929 (1988-04-01), Bakas et al.

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