Process for the purification of undistillable solid-containing h

Details Process for the purification of undistillable solid-containing h Process for the purification of undistillable solid-containing h

1979-12-07

1981-03-24

Levine, Herbert

Mineral oils: processes and products

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

208 45, C10C 314

Patent

active

042578701

ABSTRACT:
Solids are removed from solids-containing undistillable or difficultly distillable liquid hydrocarbon fractions by cooling, solidifying and pulverizing the solids-containing fractions, by contacting the pulverized material with solvent and by separating the solids, then the solvent, resulting in relatively solids-free hydrocarbon fractions.

REFERENCES:
patent: 2774716 (1956-12-01), Kulik
patent: 2956944 (1960-10-01), Logan et al.
patent: 3197413 (1965-07-01), Wingerd
patent: 3305474 (1967-02-01), Knowles et al.
patent: 3434966 (1969-03-01), Oldenburg
patent: 3885983 (1975-05-01), Bulit
patent: 3992281 (1976-11-01), Benade

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