Patent ID: 6837070
Filing Date: 2005-01-04
Classification: F25J,Y02C

Abstract:
1. A gas processing plant comprising: a refluxed absorber operating at a first pressure, producing a bottoms product stream and receiving a feedstock and an absorber reflux stream; a distillation column fluidly coupled to the absorber, receiving a distillation column feed stream, producing a distillation column overhead stream, and operating at a second pressure that is at least 100 psi lower an the first pressure; and wherein at least a portion of the bottoms product stream is expanded and provides cooling for at least one of the absorber reflux stream and the distillation column feed stream; and wherein the distillation column overhead stream is separated into a fluid portion that provides reflux for the distillation column an a gaseous portion that is liquefied and provides the absorber reflux stream.