Process and apparatus for fractionation of a gaseous mixture

Details Process and apparatus for fractionation of a gaseous mixture Process and apparatus for fractionation of a gaseous mixture

F - Mech Eng,Light,Heat,Weapons

25

J

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F25J 3/02 (2006.01) B01D 3/36 (2006.01) B01D 53/14 (2006.01) C07C 7/04 (2006.01)

Patent

CA 1253430

"PROCESS AND APPARATUS FOR FRACTIONATION OF A GASEOUS MIXTURE" Abstract In fractionating a gaseous mixture an acid gas and e.g. hydrocarbon in a column wherein, during distillation, components of the gaseous mixture tend to form a substantially azeotropic mixture, or at least one of the components of the gaseous mixture tends to freeze out, withdrawing a side stream fluid from the column during fractionation, and separating said side stream fluid, e.g. by membranes or scrubbing, so as to remove preferentially at least a portion of one of the components of the substantially azeotropic mixture, or of the at least one of the components tending to freeze out, and recycling resultant depleted side stream to said fractionating column.

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