发明名称 |
Selective removal of nitrogen from natural gas by pressure swing adsorption |
摘要 |
<p>A process for the separation of nitrogen and hydrocarbons from a natural gas stream comprises passing the natural gas stream to a first pressure swing adsorption unit containing a hydrocarbon-selective sorbent so as to preferentially adsorb at least C4+ hydrocarbons to produce a first product stream, comprising methane, nitrogen and a reduced level of the hydrocarbons relative to the natural gas stream The first product stream is then passed to a second pressure swing absorption unit containing a nitrogen-selective sorbent so as to preferentially adsorb nitrogen and produce a second product stream enriched with methane, and a low pressure purge stream having a higher molar concentration of nitrogen than the first product stream.</p> |
申请公布号 |
EP1666126(B1) |
申请公布日期 |
2009.06.24 |
申请号 |
EP20060075349 |
申请日期 |
2001.10.25 |
申请人 |
BASF CATALYSTS LLC |
发明人 |
DOLAN, WILLIAM B.;BUTWELL, KENNETH F. |
分类号 |
B01D53/047;C07C7/12;C07C7/13;C10L3/10 |
主分类号 |
B01D53/047 |
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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