Hitachi Zosen Corporation

Masahiro Yamaki

Hiroyuki Takano

Hiroyuki Shinomiya

Koichi Izumiya

A methane production system comprises: a reaction tank that produces methane and water by reacting CO and/or COsupplied to the reaction tank with hydrogen; a cleaning tank that is located at an upstream side of the reaction tank in a supply direction of the CO and/or CO, and removes water-soluble impurities from a raw material gas including the CO and/or COand the water-soluble impurities by bringing the raw material gas into contact with water; and a first supply line that supplies the raw material gas from which the water-soluble impurities are removed from the cleaning tank to the reaction tank; and a second supply line supplies water produced in the reaction tank from the reaction tank to the cleaning tank to bring the produced water into contact with the raw material gas in the cleaning tank.

Methane production system

The present application is a generation device including a reaction section which generates a product gas and product water in which the product gas is dissolved through an exothermic reaction of gaseous reactants, a cooling tower which cools cooling water that removes heat generated by the exothermic reaction, a cooling water circulation system which circulates the cooling water between the reaction section and the cooling tower, and piping for mixing the product water generated in the reaction section into the cooling water circulation system.

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Osaka, Japan

Masahiro Yamaki