A MATHEMATICAL MODEL FOR PRESSURE SWING ADSORPTION D.J.G. Sebastian BOC Limited, UK I. Introduction Pressure Swing Adsorption (PSA) as a physical method of separa-
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چکیده
As an illustration, consider the following two-step adsorption cycle to purify helium diving gas. Helium diving gas is principally a mixture of oxygen and helium, when the diving chambers are depressurised, the contaminated gas will consist mainly of carbon dioxide, oxygen and helium. Traditionally this waste gas has been thrown away. The PSA cycle described below is a method of purifying this gas and recovering expensive helium.
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