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