A portion of the carbon dioxide product stream is utilized in {HEAD ~ the PSA unit} as a cocurrent purge at a pressure preferably above the operating pressure of {TAIL ~ the carbon dioxide PSA unit} to obtain a product of higher purity 
A portion of the carbon dioxide product stream is utilized in { HEAD ~ the PSA unit } as a cocurrent purge at a pressure preferably above the operating pressure of { TAIL ~ the carbon dioxide PSA unit } to obtain a product of higher purity
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH