The hydrogen rich stream from {TAIL ~ the carbon dioxide PSA unit} is recycled to {HEAD ~ the feed} to the steam reformer thereby providing maximum recovery of the hydrogen 
The hydrogen rich stream from { TAIL ~ the carbon dioxide PSA unit } is recycled to { HEAD ~ the feed } to the steam reformer thereby providing maximum recovery of the hydrogen
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH