Refrigeration – Processes – Circulating external gas
Patent
1985-01-28
1986-05-20
Sever, Frank
Refrigeration
Processes
Circulating external gas
55 68, 55 73, 62 30, 210640, F25J 302
Patent
active
045898960
ABSTRACT:
The present invention involves a process for separating components of a feed gas containing acid gases and hydrocarbons to form a CO.sub.2 -rich stream, an H.sub.2 S-rich stream and a hydrocarbon-rich stream. Separation is achieved by initially passing the feed gas through a plurality of membrane separation units to produce a hydrocarbon stream and an acid gas stream. The acid gas stream undergoes further separation to produce a CO.sub.2 -rich product stream and an H.sub.2 S-rich stream. This process is especially adaptable for treating natural gas streams and gas streams resulting from enhanced oil recovery operations.
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Clifton S. Goddin, Comparison of Processes for Treating Gases w/High CO.sub.2 Content GPA Convention, Mar. 15-17, 1982, Dallas, Texas.
Chen Michael S. K.
Goff Stephen P.
Vanommeren James
Air Products and Chemicals Inc.
Innis E. Eugene
Rodgers Mark L.
Sever Frank
Simmons James C.
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