Catalytic dewaxing-hydrotreating process

Details Catalytic dewaxing-hydrotreating process Catalytic dewaxing-hydrotreating process

1981-11-13

1984-02-28

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208109, 208110, 208112, 502 60, C10G 4716, C10G 4720

Patent

active

044340478

ABSTRACT:
Process for catalytic dewaxing-hydrotreating of hydrocarbon feed materials comprising contacting the feed with hydrogen under catalytic dewaxing-hydrotreating conditions in the presence of a catalyst comprising a shape selective zeolitic cracking component and a hydrogenating component of improved thermal stability comprising a chromium component, at least one other Group VIB metal component and at least one Group VIII metal component. According to a specific aspect of the invention, the catalytic dewaxing-hydrotreating process is employed to convert hydrocarbon feeds of either high or low quality to lube oil base stocks of high viscosity index, low pour point and good stability in a single step.

REFERENCES:
patent: 2983670 (1961-05-01), Seubold
patent: 3328119 (1967-06-01), Robson
patent: 3700585 (1972-10-01), Chen et al.
patent: 3929620 (1975-12-01), Parthasarathy et al.
patent: 4269813 (1981-05-01), Klotz
patent: 4306965 (1981-12-01), Hensley et al.

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