| abstract |
(57) [Summary] [Problem] Temperature of 10 by auto thermal reforming At 50 ° C. and a pressure of 20 kg / cm 2 (carbon dioxide + When producing a synthesis gas under the condition of a low (steam) / carbon ratio, carbon gas is not deposited and stable production can be performed over a long period of time. SOLUTION: A reforming catalyst comprising a composite oxide having a composition represented by the following formula and in which at least one of M, Co and Ni is highly dispersed in the composite oxide is used. aM.bCo.cNi.dMg.eCa.fO (where M is manganese, molybdenum, rhodium, etc.) |