Process for the pretreatment of a catalyst by a mixture of a sul

Details Process for the pretreatment of a catalyst by a mixture of a sul Process for the pretreatment of a catalyst by a mixture of a sul

1991-07-12

1992-10-06

Shine, W. J.

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

Catalyst or precursor therefor

Sulfur or compound containing same

502216, 502508, B01J 3300, B01J 3720, B01J 2704, B01J 27043

Patent

active

051531631

ABSTRACT:
The invention relates to a pretreatment of a petrochemical or refining catalyst containing at least one metal in metallic or metallic oxide form, deposited on a support.
The catalyst is impreganted by a solution or a suspension containing on the one hand a specific sulphur agent, e.g., diethanol disulfide and on the other an organic reducing agent, e.g., formic acid.

REFERENCES:
patent: 3872028 (1975-03-01), Rijnten et al.
patent: 4530917 (1985-07-01), Berrebi
patent: 4719195 (1988-01-01), Toulhoat et al.
patent: 4977117 (1990-12-01), Berrebi et al.
patent: 5017535 (1991-05-01), Schoonhoven et al.
patent: 5032565 (1991-07-01), Berrebi

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