Japan Gasoline Co., Ltd.

Nikki Chemical Co., Ltd.

Yoshinori Amemiya

Kunihiko Uemoto

Satoru Shichiji

A process of manufacturing a methane-containing gas, which comprises introducing a feed hydrocarbon having at least 2 carbon atoms per molecule and steam preheated at a temperature in the range of 250.degree. - 600.degree. C into a steam reforming reactor (or reactors) packed with a nickel-containing catalyst which has been prepared so that a solid solution consisting of a nickel oxide and magnesia is contained therein and further a copper-chromium oxide or a copper-chromium-manganese oxide is contained therein and effecting steam reforming reaction of said hydrocarbons while maintaining the temperature of the catalyst bed of said reactor(s) in the range of 300.degree. - 600.degree. C.

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Yokohama, Japan

Yoshinori Amemiya