Gas separation: processes – Solid sorption – With plural indirect heat transfer steps on solid sorbent or...
Patent
1996-09-30
1998-03-17
Spitzer, Robert
Gas separation: processes
Solid sorption
With plural indirect heat transfer steps on solid sorbent or...
95123, 95126, 95139, B01D 5304, B01D 5326
Patent
active
057281980
ABSTRACT:
An air prepurification system which includes vertically oriented adsorption vessels containing, from top to bottom, a layer of moisture-selective adsorbent, a first layer of carbon dioxide-selective adsorbent and a second layer of carbon dioxide-selective adsorbent wherein the particle size of carbon dioxide-selective adsorbent in the second layer of carbon dioxide-selective adsorbent is smaller than the particle size of both the moisture-selective adsorbent and the carbon dioxide-selective adsorbent in the first layer of carbon dioxide-selective adsorbent. The air purification system is designed for use in a temperature swing adsorption process in which air is passed downwardly through the adsorption vessels during the adsorption step and upwardly through the vessels during the adsorbent regeneration step.
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Acharya Divyanshu R.
Jain Ravi
Tseng James K.
Pace Salvatore P.
Reap Coleman R.
Spitzer Robert
The BOC Group. Inc.
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