| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique for producing synthesis gas in which raw material gas and oxygen exist together and by which abnormal combustion in an anterior chamber portion with the potentiality of self-ignition is suppressed, the starting point of a catalyzed reaction can be made stable, and it is made possible to maintain a stable reaction over a prolonged period of time. SOLUTION: The raw material gas which initiates a combustion reaction under coexistence of oxygen is introduced under coexistence of oxygen from an anterior chamber 9 into a catalyzed reaction chamber 5, where it is brought into contact with a catalyst c1 to initiate at least an oxidation reaction, whereby the synthesis gas is obtained from the raw material gas. At this time, residence inhibition gas p which inhibits residence of the raw material gas in the anterior chamber 9 is blown into the anterior chamber 9, whereby the raw material gas being under coexistence of oxygen is introduced into the catalyzed reaction chamber 5 and the synthesis gas is obtained. COPYRIGHT: (C)2007,JPO&INPIT
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