Second, {TAIL ~ the catalytic oxidation step} normally utilized in prior art urea processes for removing residual hydrogen and methane in {HEAD ~ the gas stream} can be eliminated 
Second , { TAIL ~ the catalytic oxidation step } normally utilized in prior art urea processes for removing residual hydrogen and methane in { HEAD ~ the gas stream } can be eliminated
OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH