发明授权
- 专利标题： Recovery of surfactant from papermaking process
- 专利标题（中）： 从造纸过程中回收表面活性剂
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申请号： US07807750申请日： 1991-12-17
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公开(公告)号： US06287417B1公开(公告)日： 2001-09-11
- 发明人: Dinesh M. Bhat
- 申请人： Dinesh M. Bhat
- 主分类号： D21F100
- IPC分类号： D21F100
摘要：
A method and apparatus for recovery of surfactant from a foamable liquid aqueous solution thereof wherein foamable liquid containing surfactant is sparged with air or gas forming foam enriched in surfactant and residual liquid depleted in surfactant, foam enriched in surfactant is separated from residual liquid and resolved into foamable liquid enriched in surfactant by separation of gas or air therefrom.
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