B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/14 (2006.01) B01D 53/18 (2006.01)
Patent
CA 2629420
A process and apparatus for separating the components of a multi-component gas stream comprising light and intermediate volatility components. The process includes contacting the multi-component gas stream with a lean solvent in an absorber to produce a light component overhead stream and a rich solvent bottoms stream, flashing the rich solvent bottoms stream in at least one reduced pressure stage, recycling the lean solvent to the absorber, heat exchange cooling of the light component overhead stream, using at least one pressure reduction device for auto-refrigeration cooling, vapor/liquid separating the light component overhead stream in a vapor/liquid separator, reheating a vapor product stream from the vapor/liquid separator against the light component overhead stream, and removing the condensed intermediate component liquid from the vapor/liquid separator. The apparatus for separating the components of a multi-component gas stream containing hydrocarbons including an absorption tower containing internal equipment for contacting a feed gas with a lean solvent stream to create an light component overhead stream and a rich solvent bottom stream, a heat exchanger in contact with the light component overhead stream and a purified product stream, a vapor/liquid separator in contact with the light component overhead stream, and a pressure reduction device in contact with the light component overhead stream.
Gaskin Thomas K.
Mowrey Earle R.
Advanced Extraction Technologies Inc.
Finlayson & Singlehurst
LandOfFree
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