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