F - Mech Eng,Light,Heat,Weapons – 25 – J
Patent
F - Mech Eng,Light,Heat,Weapons
25
J
162/113
F25J 3/02 (2006.01)
Patent
CA 1307454
Abstract A process for recovery of ethane and heavier hydro- carbons from natural gas containing primarily methane and ethane with heavier hydrocarbons and carbon dioxide wherein two rectifying sections, each with a reflux stream, are utilized in the demethanizer column. The top recti- fying section is refluxed by a part of the residue gas which is condensed and recycled and the lower rectifying section by subcooled liquid condensed from the feed gas.
555112
Kirby Eades Gale Baker
Snc Partec Inc.
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