发明授权
- 专利标题: Method for breaking emulsions
- 专利标题(中): 破乳方法
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申请号: US570052申请日: 1990-08-20
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公开(公告)号: US5143109A公开(公告)日: 1992-09-01
- 发明人: Spencer E. Taylor
- 申请人: Spencer E. Taylor
- 申请人地址: GB2 London
- 专利权人: The British Petroleum Company p.l.c.
- 当前专利权人: The British Petroleum Company p.l.c.
- 当前专利权人地址: GB2 London
- 优先权: GBX8919244 19890824
- 主分类号: B01D17/04
- IPC分类号: B01D17/04 ; C10G33/00
摘要:
A method for recovering the surfactant from a dispersion or emulsion of oil and water containing a temperature sensitive surfactant which method comprises the steps of heating the dispersion or emulsion to a temperature above the cloud point of the surfactant under conditions of temperature and aqueous phase salinity such that the dispersion or emulsion breaks and separates into an oil layer, an aqueous layer and a surfactant layer, and recovering the surfactant layer.The recovered surfactant may be recycled for use in preparing further quantities of dispersion or emulsion, thus rendering the operation more economic.
公开/授权文献
- US6117121A Absorbent article using extensible leg cuffs 公开/授权日:2000-09-12
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