The system 10 includes {HEAD ~ a cylindrical column} 12 and {TAIL ~ a reactor} 14 connected thereto 
The system 10 includes { HEAD ~ a cylindrical column } 12 and { TAIL ~ a reactor } 14 connected thereto
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH