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