Process for separating hydrocarbons from particulate solids

Cleaning and liquid contact with solids – Processes – Work handled in bulk or groups

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134 40, B08B 308

Patent

active

043928927

ABSTRACT:
Oils or petroleum hydrocarbons are separated from solid or solid/liquid mixtures thereof with soil, sand or oil processing residues, by treating these oil-containing mixtures with an aqueous solution or dispersion of a crude extract of microbially produced glycolipids and separating the oil-containing phase from the aqueous phase.

REFERENCES:
patent: 3688781 (1972-09-01), Talley
patent: 3693733 (1972-09-01), Teague
patent: 3996134 (1976-12-01), Osborn et al.

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