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Politics : PRESIDENT GEORGE W. BUSH
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To: Thomas A Watson who wrote (160903)7/14/2001 9:22:47 PM
From: ColtonGang   of 769670
 
Hydrogen recovery is a by-product of ammonia synthesis in fertilizer factories. The common methods for the recovery are: palladium membrane diffusion, Pressure Swing Adsorption (PSA), separation at lowtemperature and hollow fabric membrane osmosis. Considering the technology and its economic value, PSA was the most widely used in the industry.
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