基本信息:
- 专利标题: PROCESS AND APPARATUS FOR HYDROGEN PURIFICATION
- 专利标题(中):氢气净化的工艺和装置
- 申请号:PCT/US0340797 申请日:2003-12-22
- 公开(公告)号:WO2004058630A3 公开(公告)日:2005-01-27
- 发明人: BAKSH MOHAMED SAFDAR ALLIE , ACKLEY MARK WILLIAM , NOTARO FRANK
- 申请人: PRAXAIR TECHNOLOGY INC , BAKSH MOHAMED SAFDAR ALLIE , ACKLEY MARK WILLIAM , NOTARO FRANK
- 专利权人: PRAXAIR TECHNOLOGY INC,BAKSH MOHAMED SAFDAR ALLIE,ACKLEY MARK WILLIAM,NOTARO FRANK
- 当前专利权人: PRAXAIR TECHNOLOGY INC,BAKSH MOHAMED SAFDAR ALLIE,ACKLEY MARK WILLIAM,NOTARO FRANK
- 优先权: US43631402 2002-12-24
- 主分类号: B01D53/047
- IPC分类号: B01D53/047 ; C01B3/56 ; B01J20/00
摘要:
This invention discloses an optimum set of adsorbents for use in H2-PSA processes. Each adsorbent bed is divided into four regions; Region 1 contains adsorbent for removing water; Region 2 contains a mixture of strong and weak adsorbents to remove bulk impurities like CO2; Region 3 contains a high bulk density (>38 lbm/ft ) adsorbent to remove remaining CO2; and most of CH4 and CO present in H2 containing feed mixtures; and Region 4 contains adsorbent having high Henry's law constants for the final cleanup of N2 and residual impurities to produce hydrogen at the desired high purity.
摘要(中):
本发明公开了用于H2-PSA方法的最佳吸附剂组。 每个吸附床分为四个区域; 区域1包含用于除去水的吸附剂; 区域2含有强吸附剂和弱吸附剂的混合物,以去除大量杂质如CO 2; 区域3含有高堆积密度(> 38lbm / ft 3)的吸附剂以除去剩余的CO 2; 大部分CH4和CO存在于含H2的饲料混合物中; 并且区域4包含用于最终净化N 2和残余杂质以产生所需高纯度的氢的亨利常数常数的吸附剂。
IPC结构图谱:
B01D53/34 | 组优先于B01D53/02至B01D53/32组。 |
--B01D53/02 | .通过吸附作用,例如,制备气相色谱法 |
----B01D53/04 | ..用固定的吸附剂 |
------B01D53/047 | ...变压吸附 |