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

1989-03-20

1989-10-17

Pal, Asok

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208120, 208138, 208143, 585277, 585417, 585418, 585444, 585467, 585475, 585481, 585482, 585533, 585629, 585640, 585666, C10G 1105, C10G 35095, C07C 212, C07C 522

Patent

active

048745049

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: 4180282 (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.
patent: 4814306 (1989-03-01), von Ballmoos et al.

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