{HEAD ~ The benzene} via line 14 along with ethylene via {TAIL ~ line} 16 are supplied to an alkylation reactive zone 120 which produces ethylbenzene and other products which are sent via line 18 to a separation zone 140 
{ HEAD ~ The benzene } via line 14 along with ethylene via { TAIL ~ line } 16 are supplied to an alkylation reactive zone 120 which produces ethylbenzene and other products which are sent via line 18 to a separation zone 140
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH