C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/719.9
C07C 9/06 (2006.01) F25J 3/02 (2006.01)
Patent
CA 1184210
A B S T R A C T CRYOGENIC GAS PLANT A process for separating substantially all of the C3 and heavier components and a major portion of the C2 component from a natural gas stream using a cryogenic process. The process uses a rectifying column 12 in combination with a demethanizing column 22 to separate the C2 and heavier components with a reflux for the rectifying column, which reflux 13 is supplied by compressing a small portion of the overhead stream 11 and condensing it via heat exchange with the overhead stream.
416076
Marcoux & Sher Swabey Mitchell Houle
Shell Internationale Research Maatschappij B.v.
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