Separation of c in3 xx hydrocarbons by absorption and...

Details Separation of c in3 xx hydrocarbons by absorption and... Separation of c in3 xx hydrocarbons by absorption and...

F - Mech Eng,Light,Heat,Weapons

25

J

162/113

F25J 3/02 (2006.01) C07C 7/00 (2006.01)

Patent

CA 1250221

"SEPARATION OF C3+ HYDROCARBONS BY ABSORPTION AND RECTIFICATION" ABSTRACT The separation of C3+ hydrocarbons from natural gas and the like comprises subjecting the gas under pressure to partial condensation under cooling, separating the uncondensed gaseous phase and engine expanding same while the condensed liquid fraction is subjected to rectification. Additional C3+ hydrocarbons are separated from the engine expanded gaseous fraction by scrubbing and then fed to the rectification column. The resultant scrubbed gaseous fraction, whose pressure preferably is above the rectification pressure, can be delivered as C2-product stream.

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