For recovering {HEAD ~ acetylene} from {TAIL ~ hydrocarbons}, the hydrocarbons are thermally cracked in the presence of CO2 as a diluent gas 
from
For recovering { HEAD ~ acetylene } from { TAIL ~ hydrocarbons } , the hydrocarbons are thermally cracked in the presence of CO2 as a diluent gas
OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH