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Method for removing carbon dioxide from shift gas by three-stage pressure swing adsorption device，Patent No：ZL200410021697.7
Two-stage full recovery pressure swing adsorption gas separation method, patent number：ZL2004210046598.4
Method for separating nitrogen and oxygen from air by a three-stage pressure swing adsorption device, patent nu：ZL200410046599.9
Two-stage pressure swing adsorption urea decarburization method for raw material gas in urea production, patent num：ZL01108692.0
Two-stage pressure swing adsorption decarburization process method for high recovery rate of hydrogen and nitrogen ：ZL01108691.2
An improved two-stage pressure swing adsorption method for enriching oxygen, patent number：ZL200410046596.5
An improved method for separating pressure swing adsorption gas, patent number：ZL200410046597.X
Two-stage full recovery pressure swing adsorption gas separation method, patent number：ZL200510115478.X
An improved two-stage pressure swing adsorption method for enriching oxygen, patent number：ZL200610056987.4
An improved two-side pressure swing adsorption method for enriching oxygen, patent number：ZL200610056986.X
An improved method for separating pressure swing adsorption gas, patent number：ZL200610056985.5
An improved method for separating pressure swing adsorption gas, patent number：ZL200610056984.0
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