Recycle {HEAD ~ streams} of hydrocarbons and {TAIL ~ CO2} for the thermal cracking can contribute to savings and more efficient use of the feedstock 
of
Recycle { HEAD ~ streams } of hydrocarbons and { TAIL ~ CO2 } for the thermal cracking can contribute to savings and more efficient use of the feedstock
OTH HEAD HEAD HEAD HEAD HEAD REL OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH