Process for improving the deshafting of a heavy hydrocarbon feed

Details Process for improving the deshafting of a heavy hydrocarbon feed Process for improving the deshafting of a heavy hydrocarbon feed

1987-08-12

1989-11-21

McFarlane, Anthony

Mineral oils: processes and products

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

Solvent extraction

208 39, 208309, C10C 118

Patent

active

048820350

ABSTRACT:
A process for improving the deasphalting of a heavy hydrocarbon feedstock with a solvent by subjecting the feedstock to shearing alternatively after and/or before the addition of at least a portion of the solvent to the feedstock is disclosed. Alternative means for effecting the shearing and desired ranges of shear are also disclosed.

REFERENCES:
patent: 2303023 (1942-11-01), Cier
patent: 2871180 (1959-01-01), Lowman, Jr. et al.
patent: 3228870 (1966-01-01), Pitchford
patent: 3811844 (1984-05-01), Dunmyer, Jr.
patent: 4315815 (1982-02-01), Gearhart
patent: 4508597 (1985-04-01), Roach
patent: 4528068 (1985-07-01), Fiocco et al.
patent: 4572781 (1986-02-01), Krasuk et al.
patent: 4666562 (1987-05-01), Nelson
patent: 4686028 (1987-08-01), Van Driesen et al.

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