发明公开
EP1265685A2 SEPARATING AN EMULSION INTO AN AQUEOUS PHASE CONTAINING A REUSABLE ANIONIC SURFACTANT
审中-公开
乳液到可重复使用的阴离子表面活性剂含水相分离
- 专利标题: SEPARATING AN EMULSION INTO AN AQUEOUS PHASE CONTAINING A REUSABLE ANIONIC SURFACTANT
- 专利标题(中): 乳液到可重复使用的阴离子表面活性剂含水相分离
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申请号: EP01920202.7申请日: 2001-03-05
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公开(公告)号: EP1265685A2公开(公告)日: 2002-12-18
- 发明人: BUSH, James, H. , JONES, Robert, N. , BARTLEY, Stuart, L.
- 申请人: THE LUBRIZOL CORPORATION
- 申请人地址: 29400 Lakeland Boulevard Wickliffe,Ohio 44092-2298 US
- 专利权人: THE LUBRIZOL CORPORATION
- 当前专利权人: THE LUBRIZOL CORPORATION
- 当前专利权人地址: 29400 Lakeland Boulevard Wickliffe,Ohio 44092-2298 US
- 代理机构: Crisp, David Norman
- 优先权: US187122P 20000306
- 国际公布: WO01066274 20010913
- 主分类号: B01D17/05
- IPC分类号: B01D17/05 ; B09C1/02 ; B01D17/04
摘要:
A process for separating a hydrophobic hydrocarbon chemical from an aqueous emulsion and recycling the majority of the water, co-solvents, salts, and the emulsifier is set forth. A preferred emulsifier is a salt of a carboxylic acid, phosphoric acid or sulfonic acid having an amine in the hydrophobic portion of the emulsifier, said amine being capable of being protonated to change (increase) the water solubility of the entire emulsifier molecule. The process is useful for soil remediation by extraction in that it facilitates the recycling of the water and emulsifier dramatically reducing the amount of water and emulsifier used in remediating a site. A method for remediating contaminated soil using the process is also set forth.
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