An inlet 26 is provided for the reactant header which introduces reactant thereto which in turn flows within {HEAD ~ the tubes} of {TAIL ~ the tube bundle} 12 
An inlet 26 is provided for the reactant header which introduces reactant thereto which in turn flows within { HEAD ~ the tubes } of { TAIL ~ the tube bundle } 12
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH