发明授权
US4758252A Hydrostatic method employing PSA vent gas pressure for vacuum
regeneration
失效
采用PSA排气压力进行真空再生的静水法
- 专利标题： Hydrostatic method employing PSA vent gas pressure for vacuum regeneration
- 专利标题（中）： 采用PSA排气压力进行真空再生的静水法
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申请号： US66446申请日： 1987-06-26
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公开(公告)号： US4758252A公开(公告)日： 1988-07-19
- 发明人: Steven L. Lerner , Ramachandran Krishnamurthy , Donald L. Maclean
- 申请人： Steven L. Lerner , Ramachandran Krishnamurthy , Donald L. Maclean
- 申请人地址： NJ Montvale
- 专利权人： The BOC Group, Inc.
- 当前专利权人： The BOC Group, Inc.
- 当前专利权人地址： NJ Montvale
- 主分类号： B01D53/04
- IPC分类号： B01D53/04 ; B01D53/047
摘要：
This invention relates to an energy efficient method of vacuum regenerating an adsorbent bed. In a typical process, the adsorbent bed undergoes an adsorption step, a vent step, and a vacuum purge step. According to the present invention, the energy of the usually discarded vent gas is used to raise a dense liquid from a lower tank to a higher tank. The potential energy of the raised liquid, upon returning from the higher tank to the lower tank, is used to generate a vacuum for vacuum regeneration of the adsorbent bed.
公开/授权文献
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