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Experimental research on displacing coal bed methane with supercritical CO2

โœ Scribed by Tao Yang; Baisheng Nie; Dong Yang; Ruming Zhang; Caihong Zhao

Book ID
113915883
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
459 KB
Volume
50
Category
Article
ISSN
0925-7535

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Enrichment of coal-bed methane by PSA co
Enrichment of coal-bed methane by PSA complemented with CO2 displacement
โœ Congmin Liu; Yaping Zhou; Yan Sun; Wei Su; Li Zhou ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› American Institute of Chemical Engineers ๐ŸŒ English โš– 622 KB

A PSA cycle complemented with CO 2 displacement was studied for enriching coalbed methane (CBM). The column was first pressurized to the adsorption pressure with feed gas, and then N 2 was produced at column top in step 2. The feed gas switched to CO 2 at the end of step 2, and the adsorbed CH 4 was