The hydrogen PSA unit effluent is dried and introduced into {HEAD ~ a carbon dioxide PSA unit} which forms a carbon dioxide rich recycle stream, a carbon dioxide rich product stream and {TAIL ~ a hydrogen rich stream} 
forms
The hydrogen PSA unit effluent is dried and introduced into { HEAD ~ a carbon dioxide PSA unit } which forms a carbon dioxide rich recycle stream , a carbon dioxide rich product stream and { TAIL ~ a hydrogen rich stream }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL