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

1981-04-28

1982-12-14

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208 57, 208 58, 208 89, C10G 4702, C10G 6500

Patent

active

043637191

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: 4028223 (1977-06-01), Hayes et al.
patent: 4054508 (1977-10-01), Milstein et al.
patent: 4057488 (1977-11-01), Montagna et al.
patent: 4183801 (1980-01-01), Breuker et al.
patent: 4210521 (1980-07-01), Gorring et al.

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