发明授权
US4392892A Process for separating hydrocarbons from particulate solids 失效
从颗粒状固体分离烃的方法

Process for separating hydrocarbons from particulate solids
摘要:
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.
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