{TAIL ~ The benzene} via {HEAD ~ line} 14 along with ethylene via 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 
{ TAIL ~ The benzene } via { HEAD ~ line } 14 along with ethylene via 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
TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD 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 OTH OTH OTH OTH OTH OTH