A gas separation device for the removal of carbon oxides from a hydrogen rich gas stream in {HEAD ~ the form} of {TAIL ~ a composite} comprising a hydrogen diffusion membrane and a methanation catalyst 
of
A gas separation device for the removal of carbon oxides from a hydrogen rich gas stream in { HEAD ~ the form } of { TAIL ~ a composite } comprising a hydrogen diffusion membrane and a methanation catalyst
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH