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Air can be separated into oxygen - enriched and nitrogen - enriched streams by gas permeation through dense membranes. A polyethylmethacrylate ( PEMA ) membrane
Air can be separated into oxygenenriched and
nitrogenenriched streams by gas permeation through dense
membranes. A polyethylmethacrylatePEMA membrane in the form
of a thin film mu m thick is being considered for this purpose. The
permeabilities of this membrane for oxygen A and nitrogen B at
K are times and times molmskPa respectively. An
air flow rate of msat STP is sent to the membrane separator at
K and a pressure of MPa. The pressure on the permeate side
will be MPa. Calculate the concentration of the permeate and
retentate, and the membrane area required for the separation if the
cut, theta is and the separation factor is of the ideal.
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