Process for {HEAD ~ hydrotreating biomass oil} diluted in {TAIL ~ a refinery stream} of petroleum hydrocarbons 
diluted in
Process for { HEAD ~ hydrotreating biomass oil } diluted in { TAIL ~ a refinery stream } of petroleum hydrocarbons
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH