C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 9/00 (2006.01) B01D 53/047 (2006.01) C07C 7/12 (2006.01)
Patent
CA 2165377
A process for separating methane from a gas mixture containing methane and one or more of nitrogen, oxygen and argon by pressure swing adsorption in anbed of adsorbent which selectively adsorbs methane which includes the steps of flowing the gas mixture cocurrently into the bed of adsorbent at a production pressure in the range of about 15 to about 45 psig, currently purging the bed ofadsorbent with methane-rich gas while simultaneously withdrawing nonadsorbed product gas from the nonadsorbed product end of the adsorber, and countercurrently depressurizing said bed of adsorbent, thereby producing methane- rich gas.
Gowling Lafleur Henderson Llp
The Boc Group Inc.
LandOfFree
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