发明名称 |
CRYOGENIC SYSTEM FOR REMOVING ACID GASES FROM A HYDROCARBON GAS STREAM |
摘要 |
A system for removing acid gases from a raw gas stream is provided. The system includes a cryogenic distillation tower. The cryogenic distillation tower has a controlled freezing zone that receives a cold liquid spray comprised primarily of methane. The tower receives and then separates the raw gas stream into an overhead methane gas stream and a substantially solid material comprised of carbon dioxide. The system includes a collector tray below the controlled freezing zone. The collector tray receives the substantially solid material as it is precipitated in the controlled freezing zone. The system also has a filter. The filter receives the substantially solid material and then separates it into a solid material comprised primarily of carbon dioxide, and a liquid material comprising methane. The solid material may be warmed as a liquid and sold, while the liquid material is returned to the cryogenic distillation tower. |
申请公布号 |
US2012125043(A1) |
申请公布日期 |
2012.05.24 |
申请号 |
US201013387615 |
申请日期 |
2010.07.22 |
申请人 |
CULLINANE JOHN TIM;NORTHROP PAUL SCOTT;EXXONMOBILE UPSTREAM RESEARCH COMPANY |
发明人 |
CULLINANE JOHN TIM;NORTHROP PAUL SCOTT |
分类号 |
F25J3/02 |
主分类号 |
F25J3/02 |
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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