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Coal bed methane drainage with long directional boreholes

✍ Scribed by Ruban, A. D.; Zaburdyaev, V. S.; Kharchenko, A. V.

Book ID
119884225
Publisher
Springer
Year
2012
Tongue
English
Weight
128 KB
Volume
48
Category
Article
ISSN
1573-8736

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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