Process for deasphalting a hydrocarbon charge containing asphalt

Details Process for deasphalting a hydrocarbon charge containing asphalt Process for deasphalting a hydrocarbon charge containing asphalt

1986-04-04

1987-12-29

Metz, Andrew H.

Mineral oils: processes and products

Asphalts, tars, pitches and resins; making, treating and...

Solvent extraction

208309, C10C 300

Patent

active

047159464

ABSTRACT:
Process for deasphalting a hydrocarbon charge by means of a deasphalting solvent.
The charge (1) is introduced, at 100.degree.-200.degree. C., in admixture with a deasphalting solvent (3and 4), into a settler (7). The deasphalted oil (24) is separated from the solvent (23). Asphalt (9) is washed in a column and then separated from the washing liquid (21).

REFERENCES:
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patent: 3202605 (1965-08-01), Redcay
patent: 3278415 (1966-10-01), Doberenz et al.
patent: 3311551 (1967-03-01), Van Pool
patent: 4094770 (1978-06-01), Bose
patent: 4101415 (1978-07-01), Crowley
patent: 4239616 (1980-12-01), Gearhart
patent: 4554055 (1985-11-01), Rooney
patent: 4571781 (1986-02-01), Krasuk et al.

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