Guidelines offered for choosing cryogenics or absorption for gas processing

03/01/1999
Yuv R. Mehra, Thomas K. Gaskin Advanced Extraction Technologies Inc. Houston Poco Petroleums Ltd.'s O'Chiese gas plant in central Alberta added a 60-MMscfd enhanced absorption NGL-recovery unit. Worldwide, the gas-processing industry meets a variety of economic and recovery objectives. These range from simply meeting a gas-transportation specification to achieving extremely high ethane recovery for providing feed to an ethylene facility. Choosing a cost-effective processing technology requires consideration of a broad range of factors. With the recent commercialization of the evolutionary, enhanced solvent absorption process, it is timely to question...
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