{TAIL ~ Gas} allocated at {HEAD ~ pyrolysis} condensing and dividing to water and organic phases  
{ TAIL ~ Gas } allocated at { HEAD ~ pyrolysis } condensing and dividing to water and organic phases
TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH