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Title: Process for the solvent deasphalting of asphaltene-containing hydrocarbons

Patent ·
OSTI ID:5587180

A continuous process for solvent deasphalting asphaltene-containing hydrocarbons which comprises mixing (A) 100 parts by weight of asphaltene-containing hydrocarbons with (B) 0.005-0.5 parts by weight of an amorphous silicon dioxide and/or a silicate compound and also with (C) 5-2000 parts by weight of a solvent such as n-heptane, n-hexane, n-heptane or a mixed n-pentane.n-butanol solvent, to form a mixture which is then allowed to stand still to precipitate and separate the asphaltene therefrom thereby obtaining a deasphalted oil.

Assignee:
Nippon Oil Co. Ltd. (Japan)
Patent Number(s):
US 4502950
OSTI ID:
5587180
Resource Relation:
Patent Priority Date: Priority date 31 Jan 1984, Japan; Other Information: PAT-APPL-575717
Country of Publication:
United States
Language:
English