Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Toshihiko Sumida0
Hiroaki Sasano0
Masanori Miyake0
Date of Patent
October 21, 2008
0Patent Application Number
105467130
Date Filed
February 16, 2004
0Patent Primary Examiner
Patent abstract
The invention provides an off-gas feeding method that supplies the off-gas discharged from a plurality of adsorption towers (A, B, C) to an off-gas consumption unit (1), when performing a pressure swing adsorption process of repeating a cycle including a plurality of steps, to enrich and separate the target gas out of a gas mixture in the adsorption towers (A, B, C) loaded with an adsorbent. The method allows at least one of the plurality of adsorption towers (A, B, C) to discharge the off-gas, in all the steps included in the cycle, so as to continue to supply the off-gas to the off-gas consumption unit (1) without interruption.
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