Process of hydrodesulfurization and separate solvent extraction

Details Process of hydrodesulfurization and separate solvent extraction Process of hydrodesulfurization and separate solvent extraction

1976-10-01

1978-04-18

Crasanakis, George

Mineral oils: processes and products

Refining

Sulfur removal

C10G 2300, C10G 3400

Patent

active

040850366

ABSTRACT:
A process for the production of lubricating oils from petroleum stocks containing significant quantities of sulfur and lubricating oil components boiling above about 650.degree. F. (343.degree. C.) by subjecting such stocks to a series of steps comprising hydrodesulfurization, fractionation, and solvent extraction. The residual fraction obtained from the fractionation step may be deasphalted prior to solvent extraction.

REFERENCES:
patent: 2846358 (1958-08-01), Bieber et al.
patent: 2865839 (1958-12-01), Halter et al.
patent: 2985586 (1961-05-01), Willson et al.
patent: 3020228 (1962-02-01), Demeester
patent: 3414506 (1968-12-01), Van Lookeren Campagne
patent: 3970543 (1976-07-01), McIntosh

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