Process for improving the stability of catalysts for the catalyt

Details Process for improving the stability of catalysts for the catalyt Process for improving the stability of catalysts for the catalyt

1982-01-28

1983-10-11

Dees, Carl F.

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

Catalyst or precursor therefor

Phosphorus or compound containing same

502254, B01J 2112

Patent

active

044091303

ABSTRACT:
The invention relates to a process to improve the stability of a catalyst to be used for lowering the cloud or turbidity point and the filterability limit temperature of gas-oils.
The catalyst is formed of a composite system constituting 5 to 90% of a hydrodesulfuration type catalyst A and 95 to 10% of a hydroconversion type catalyst B, these two catalysts being either mixed or superposed, in which case catalyst A forms the top of the catalytic bed.

REFERENCES:
patent: 4139493 (1979-02-01), Mickelson
patent: 4212771 (1980-07-01), Hamner
patent: 4238316 (1980-12-01), Mooi et al.

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