The present invention provides a heat exchange type prereformer comprising a shell side having a channel to which cathode exhaust gas is supplied and through which cathode exhaust gas flows so that heat can be exchanged between the cathode exhaust gas and ...

A heavy oil reforming system includes a reforming preheater (13) raising the temperature of a mixed fluid (34) comprising a high pressure heavy oil and high pressure steam up to a temperature for reforming reaction. The mixed fluid (34) having been heated ...