Cryogenic rectification process for separating nitrogen and...

Details Cryogenic rectification process for separating nitrogen and... Cryogenic rectification process for separating nitrogen and...

F - Mech Eng,Light,Heat,Weapons

25

J

162/114

F25J 3/02 (2006.01)

Patent

CA 2012611

CRYOGENIC RECTIFICATION Process For Separating Nitrogen and Methane ABSTRACT A cryogenic rectification process for the separation of nitrogen and methane wherein feed is preseparated in a high pressure column or phase separator into vapor and liquid portions, the vapor is condensed and at least partly employed as reflux for a main column, the liquid is passed into the main column at an intermediate point, and a portion of the liquid is vaporized against itself to provide additional column vapor upflow.

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