发明授权
- 专利标题： Method and apparatus for changing solvent composition in a solvent recovery system of a dewaxing apparatus
- 专利标题（中）： 在脱蜡装置的溶剂回收系统中改变溶剂组成的方法和装置
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申请号： US483067申请日： 1995-06-07
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公开(公告)号： US5611894A公开(公告)日： 1997-03-18
- 发明人: Akira Kawamura , Susumu Suzuki , Masahumi Imamura
- 申请人： Akira Kawamura , Susumu Suzuki , Masahumi Imamura
- 申请人地址： JPX Tokyo
- 专利权人： Nippon Petroleum Refining Company Limited
- 当前专利权人： Nippon Petroleum Refining Company Limited
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX5-212887 19930827
- 主分类号： C10G73/22
- IPC分类号： C10G73/22 ; C10G73/06 ; C10G73/34 ; C10M101/00 ; C10N70/00 ; C10G73/00 ; B01D11/00
摘要：
An apparatus for changing the solvent composition in a solvent recovery system of a dewaxing apparatus, depending on the type of stock oil, by introducing a part of dry solvent into a wet solvent tank to thereby increase or decrease a concentration of MEK in the wet solvent used as a primary solvent for initially mixing with the stock oil.
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