Propylene, hydrogen, and {HEAD ~ oxygen} are reacted in a slurry comprising a catalyst and a solvent to produce a gaseous product stream and {TAIL ~ a liquid product stream} 
Propylene , hydrogen , and { HEAD ~ oxygen } are reacted in a slurry comprising a catalyst and a solvent to produce a gaseous product stream and { TAIL ~ a liquid product stream }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL