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