Process for obtaining c in2 xx or c in3 xx hydrocarbons

Details Process for obtaining c in2 xx or c in3 xx hydrocarbons Process for obtaining c in2 xx or c in3 xx hydrocarbons

F - Mech Eng,Light,Heat,Weapons

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F25J 3/02 (2006.01) C07C 7/00 (2006.01) C07C 7/04 (2006.01) C07C 7/09 (2006.01)

Patent

CA 1250223

"PROCESS FOR OBTAINING C2+ OR C3+ HYDROCARBONS" ABSTRACT OF THE DISCLOSURE For obtaining C2+ or C3+ hydrocarbons from gas mixtures containing essentially light hydrocarbons and optionally, hydrogen or nitrogen, the gas mixture is first cooled and subjected to a phase separation, and the thus condensed components are fractionated by rectification. The uncondensed portion of the gas mixture along with the overhead product of the rectification after it has been partially condensed, is subjected to treatment in a recontacting column wherein mass transfer and heat transfer occur, and wherein C2+ or C3+ hydrocarbons are transferred from the gas phase to the liquid phase. The liquid phase thus collected is fed into the rectification column as external reflux while the remaining gas is removed, after heating, as a residual gas.

497910

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