Process for the separation of a c in2 xx hydrocarbon...

Details Process for the separation of a c in2 xx hydrocarbon... Process for the separation of a c in2 xx hydrocarbon...

F - Mech Eng,Light,Heat,Weapons

25

J

162/113

F25J 3/02 (2006.01) C07C 7/04 (2006.01)

Patent

CA 1250220

"PROCESS FOR THE SEPARATION OF A C2 HYDROCARBON FRACTION FROM NATURAL GAS" Abstract of the Disclosure In a process for separating C2+ hydrocarbons from natural gas under elevated pressure, by rectification wherein the temperature and pressure required for rectification are attained by heat exchange and two-stage engine expansion, the rectification being conducted between the two expansion stages, the methane fraction obtained during rectification is heated to ambient temperature, then engine expanded, and again heated to ambient temperature. The peak cold for rectification is essentially produced by engine expansion of the raw gas to be fractionated.

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