{HEAD ~ The separation zone} 140 can remove {TAIL ~ benzene} via line 20 and send it to a transalkylation reaction zone 160 
{ HEAD ~ The separation zone } 140 can remove { TAIL ~ benzene } via line 20 and send it to a transalkylation reaction zone 160
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH