发明名称 Method of rerefining oil by dilution, clarification and extraction
摘要 Used oil is rerefined by diluting it with a non-polar diluent, removing insoluble impurities from the resulting solution, extracting said solution with an immiscible liquid extractant to remove further impurities, and finally removing extractant and diluent from the oil.
申请公布号 US4154670(A) 申请公布日期 1979.05.15
申请号 US19770757816 申请日期 1977.01.10
申请人 LUBRIZOL CORP THE 发明人 FORSBERG, JOHN W
分类号 C10G53/06;C10M175/00;(IPC1-7):B01D11/00;C10G21/02;C10M11/00 主分类号 C10G53/06
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