Methanation catalyst processing method, methane producing method, and methanation catalyst

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United States of America Patent

PATENT NO 11964265
APP PUB NO 20230381768A1
SERIAL NO

18307060

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Abstract

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Provided is a methanation catalyst processing method capable of suppressing degradation of a catalyst performance. A methanation catalyst processing method of the present disclosure includes oxidizing nickel through a heat treatment of a methanation catalyst by supplying an oxygen gas containing oxygen to a reactor, the reactor housing the methanation catalyst containing the nickel as a catalyst component. In the oxidizing, the oxygen gas is supplied to the reactor such that the oxygen is supplied to 1 g of the methanation catalyst at a supply rate in a range of from 0.0213 mmol-O2/sec·g-cat. to 0.0638 mmol-O2/sec·g-cat., and a time period of the heat treatment of the methanation catalyst by supplying the oxygen gas to the reactor is set to 30 minutes or more.

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Patent Owner(s)

Patent OwnerAddress
TOYOTA JIDOSHA KABUSHIKI KAISHA1 TOYOTA-CHO TOYOTA-SHI AICHI-KEN 471-8571

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aoki, Masakazu Nagakute, JP 158 3230
Hirose, Takuto Nagakute, JP 5 6
Matsumoto, Mitsuru Nagakute, JP 12 657
Onochi, Yusaku Toyota, JP 5 1

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