发明授权
- 专利标题: Method of rerefining oil by dilution, clarification and extraction
- 专利标题(中): 通过稀释,澄清和萃取再炼油的方法
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申请号: US757816申请日: 1977-01-10
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公开(公告)号: US4154670A公开(公告)日: 1979-05-15
- 发明人: John W. Forsberg
- 申请人: John W. Forsberg
- 申请人地址: OH Wickliffe
- 专利权人: The Lubrizol Corporation
- 当前专利权人: The Lubrizol Corporation
- 当前专利权人地址: OH Wickliffe
- 主分类号: C10G53/06
- IPC分类号: C10G53/06 ; C10M175/00 ; B01D11/00 ; C10G21/02 ; C10M11/00
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.
公开/授权文献
- US5822290A Disk player having ascending/descending structure for a deck 公开/授权日:1998-10-13
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