Devices are provided for introducing separately reactants to within {HEAD ~ the tubes} of the reactor and {TAIL ~ coolant} to the channels defined between adjacent tubes of the bundle 
of
Devices are provided for introducing separately reactants to within { HEAD ~ the tubes } of the reactor and { TAIL ~ coolant } to the channels defined between adjacent tubes of the bundle
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH