Upgrading of high boiling hydrocarbons

Details Upgrading of high boiling hydrocarbons Upgrading of high boiling hydrocarbons

1985-04-05

1987-08-11

Pal, Asok

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With preliminary treatment of feed

208 45, 208108, 208112, 208309, C10C 300, C10C 308

Patent

active

046860282

ABSTRACT:
A feed is subjected to deasphalting to separately recover oil, resin and pitch. The resin fraction is upgraded to valuable product, for example, by hydrogenation or visbreaking, and heavier components from the upgrading are recycled to the deasphalting for removing pitchlike components prior to being recycled to the upgrading step.

REFERENCES:
patent: 2895902 (1959-07-01), Peet
patent: 3321395 (1967-05-01), Paterson
patent: 3364138 (1968-01-01), Campagne
patent: 3544449 (1970-12-01), Rapp
patent: 3775292 (1973-11-01), Watkins
patent: 4125459 (1978-11-01), Garwin
patent: 4126538 (1978-11-01), Gondriaan
patent: 4411768 (1983-10-01), Unger
patent: 4454023 (1984-06-01), Lutz

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