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