发明名称 |
REMOVING NATURAL GAS LIQUIDS FROM A GASEOUS NATURAL GAS STREAM |
摘要 |
Removing natural gas liquids from a gaseous natural gas stream at elevated pressure to obtain a gaseous product stream having a reduced content of natural gas liquids comprises: (a) introducing cooled natural gas (3) into a scrub column (6) that consists of a lower stripping section (7) and an upper absorption section (8); (b) removing from the scrub column an overhead stream (12); (c) partly condensing (14) the overhead stream (12), and separating (17) the partly condensed overhead stream into a gaseous product stream (20) and a liquid reflux stream (21); (d) splitting the liquid reflux stream (21) into a first reflux stream (22) and a second reflux stream (23); (c) introducing the first reflux stream (22) into the top of the absorption section (8) of the scrub column (6); and (f) introducing the second reflux stream (23) into the top of the stripping section (7), and removing from the bottom of the scrub column (6) a liquid bottom stream (10) rich in heavier components. |
申请公布号 |
EA007664(B1) |
申请公布日期 |
2006.12.29 |
申请号 |
EA20050001273 |
申请日期 |
2004.02.09 |
申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. |
发明人 |
BRAS EDUARD, COENRAAD;KUMAR PARAMASIVAM, SENTHIL |
分类号 |
C10G5/04;B01D53/14;C10G5/06;F25J3/02;F25J3/06;F25J3/08 |
主分类号 |
C10G5/04 |
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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