发明授权
- 专利标题： Enhanced gas separations and zeolite compositions therefor
- 专利标题（中）： 增强气体分离及其沸石组合物
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申请号： US511847申请日： 1995-08-07
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公开(公告)号： US5554208A公开(公告)日： 1996-09-10
- 发明人: Joseph T. Mullhaupt , Paula C. Stephenson
- 申请人： Joseph T. Mullhaupt , Paula C. Stephenson
- 申请人地址： CT Danbury
- 专利权人： Praxair Technology, Inc.
- 当前专利权人： Praxair Technology, Inc.
- 当前专利权人地址： CT Danbury
- 主分类号： B01D53/04
- IPC分类号： B01D53/04 ; B01D53/047 ; B01J20/18 ; C01B39/02
摘要：
Pressure swing adsorption of air and other gas separation operations are carried out using specific preferred zeolite adsorbent compositions based on the symmetry of the framework atoms and cations therein. Specific SiO.sub.2 /Al.sub.2 O.sub.3 and cation/cation ratios for enhanced performance are identified. LiX adsorbent having a silica to alumina ratio on the order of 2.364 provides enhanced PSA performance.
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