After {HEAD ~ removal} of {TAIL ~ water}, the resulting saturated gas mixture is introduced into a four bed hydrogen PSA unit to produce high purity hydrogen, i.e. at least 99.999 percent pure 
of
After { HEAD ~ removal } of { TAIL ~ water } , the resulting saturated gas mixture is introduced into a four bed hydrogen PSA unit to produce high purity hydrogen , i.e. at least 99.999 percent pure
OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH