Catalytic dewaxing of middle distillates

Details Catalytic dewaxing of middle distillates Catalytic dewaxing of middle distillates

1981-01-14

1982-06-01

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 85, 208120, 208351, C10G 4558, C10G 6904

Patent

active

043326706

ABSTRACT:
The fractionation and stripping equipment of a middle distillate catalytic dewaxing unit may be eliminated by integrating the catalytic dewaxing unit with a catalytic cracking unit. The light cycle oil sidestream from the cat cracker fractionator, bypasses the sidestream stripper and serves as the feed to the catalytic dewaxing unit. The dewaxed product is separated into a gasoline fraction which is recycled for fractionation in the cat cracker fractionator and a fuel oil fraction which is recycled to the cat cracker sidestream stripper for removal of light materials to produce a low pour fuel oil meeting product specifications.

REFERENCES:
patent: 3700585 (1972-10-01), Chen et al.
patent: 3891540 (1975-06-01), Demmel et al.
patent: 3894938 (1975-07-01), Gorring et al.
patent: 4235706 (1980-11-01), Bannon

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