Catalytic dewaxing of lubes in reactor fractionator

Details Catalytic dewaxing of lubes in reactor fractionator Catalytic dewaxing of lubes in reactor fractionator

1979-05-16

1980-07-22

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

203 28, 203 29, 203DIG6, 208 18, 208 59, 208 83, 208 93, 208166, 208253, 208297, C10G 1310, C10G 1316, C10G 4100

Patent

active

042138477

ABSTRACT:
Heavy petroliferous stocks such as vacuum and atmospheric resids, tar sand oils, shale oils, liquids from conversion of coal and the like are concurrently distilled and hydroprocessed for removal of sulfur, nitrogen and metals and are hydrocracked or otherwise hydroprocessed in a packed distillation column under hydrogen pressure wherein the packing is constituted, at least to a substantial extent in both stripping and rectifying sections by catalyst suited to the desired conversions. In a specific application to catalytic hydrodewaxing of lubricating oil stocks, improvement of Viscosity Index (VI) of dewaxed product results.

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