发明名称 |
Method for production of nitrogen using oxygen selective adsorbents |
摘要 |
<p>A PSA method incorporating the invention is applicable to the separation of a preferred gas from a mixture of the preferred gas and a less preferred gas. The PSA method uses an adsorbent bed including one or more layers of O2 equilibrium selective adsorbents, and comprises the steps of: pressurizing the adsorbent bed to a high pressure with a feed of air to enable the adsorbent bed to adsorb O2; extracting from the bed at bed pressure, a flow of N2 and storing at least some of the flow in a product tank; desorbing O2 from the adsorbent bed by feeding void gas in the bed enclosure to a storage tank and venting the adsorbent bed to a low pressure region; purging the adsorbent bed by feeding thereto the void gas from the storage tank; and repressurizing the adsorbent bed to an intermediate pressure with a flow of void gas from the storage tank.</p> |
申请公布号 |
EP0853968(A1) |
申请公布日期 |
1998.07.22 |
申请号 |
EP19980100412 |
申请日期 |
1998.01.12 |
申请人 |
PRAXAIR TECHNOLOGY, INC. |
发明人 |
BAKSH, MOHAMED SAFDAR ALLIE;NOTARO, FRANK |
分类号 |
B01D53/04;B01D53/053;C01B21/04;(IPC1-7):B01D53/053;C01B21/02 |
主分类号 |
B01D53/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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