Two-stage hydrocarbon dewaxing hydrotreating process

Details Two-stage hydrocarbon dewaxing hydrotreating process Two-stage hydrocarbon dewaxing hydrotreating process

1982-09-13

1984-03-20

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With subsequent treatment of products

208216R, C10G 6502, C10G 4512

Patent

active

044379765

ABSTRACT:
The pour point of a hydrocarbon charge stock boiling in the range of 400.degree. F. to 1050.degree. F., and particularly a lubricating oil charge stock boiling between 600.degree. F. and 1050.degree. F. is reduced by catalytically dewaxing the charge stock in the presence of a zeolite catalyst and subsequently subjecting at least the liquid portion thereof to hydrotreating in the presence of a hydrotreating catalyst comprising a hydrogenating component and a siliceous porous crystalline material from the class of ZSM-5, ZSM-11, ZSM-23 and ZSM-35 zeolites.

REFERENCES:
patent: 3438887 (1969-04-01), Morris et al.
patent: 3647678 (1972-03-01), Egan
patent: 3764516 (1973-10-01), Steinmetz et al.
patent: 3801495 (1974-04-01), Gould
patent: 3894938 (1975-07-01), Gorring et al.
patent: 4292166 (1981-09-01), Gorring et al.
patent: 4313817 (1982-02-01), Mayer et al.

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