Process for the simultaneous conversion of waste lubricating oil

Details Process for the simultaneous conversion of waste lubricating oil Process for the simultaneous conversion of waste lubricating oil

1998-04-17

1999-05-18

Griffin, Walter D.

Mineral oils: processes and products

Refining

Purifying used oil

208 57, 208 97, 208143, 208144, 208145, 208210, C10G45/00;67/00

Patent

active

059048387

ABSTRACT:
A process for the simultaneous conversion of waste lubricating oil and pyrolysis oil derived from organic waste to produce a synthetic crude oil by means of contacting the combined feed with a hot hydrogen-rich gaseous stream to increase the temperature of the combined feed to vaporize at least a portion of the distillable organic compounds contained therein which is immediately hydrogenated in a hydrogenation reaction zone. The resulting effluent from the hydrogenation reaction zone is then introduced into a hydroprocessing zone to produce higher hydrogen-content hydrocarbons and to remove heterogeneous components such as sulfur, oxygen, nitrogen and halide, for example. The resulting effluent is cooled and partially condensed to produce a gaseous stream containing hydrogen and gaseous water-soluble inorganic compounds and a liquid stream containing hydrocarbon compounds. The gaseous stream is scrubbed to remove the gaseous water-soluble organic compounds and to thereby produce a hydrogen-rich gaseous recycle stream.

REFERENCES:
patent: 3179586 (1965-04-01), Honerkamp
patent: 3496095 (1970-02-01), Lewis
patent: 4818368 (1989-04-01), Kalnes et al.
patent: 4840721 (1989-06-01), Kalnes et al.
patent: 4895995 (1990-01-01), James et al.
patent: 4941966 (1990-07-01), Merz et al.
patent: 5384037 (1995-01-01), Kalnes

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