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Tokyo Gas Co to Pilot Breakthrough Decarbonisation Technology
Gas tanks of Tokyo Gas Co are seen in the city of Yokohama, south of Tokyo, Japan. Photo: Reuters

Japan’s major gas supplier is to test run a new ‘methanation’ process which converts hydrogen and CO2 into synthesised methane as it focuses on being carbon neutral by 2050


Tokyo Gas Co Ltd is to test its new methanation process, a technology to help decarbonise city gas, in Japan by the end of next March.

Methanation converts hydrogen and CO2 into synthesised methane, an alternative to the main component in natural gas, and it is considered a way of using CO2 as a raw material that could help the company achieve carbon neutrality in 2050, it said.


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Methane can be used as a fuel to generate heat and electricity in power plants or at home, and as a raw material for the chemical industry.

Tokyo Gas, the country’s biggest city gas supplier, said on Wednesday it plans to start the pilot programme at its research centre in Yokohama, near Tokyo, initially using hydrogen and CO2 procured from outside.

It also plans to use hydrogen generated by a water electrolysis device from Britain’s ITM Power PLC, which it aims to install at the test site by next June, as well as CO2 emitted and captured from nearby factories or its customers in the future.



Tokyo Gas wants to develop the technology and a supply chain as it can use existing natural gas infrastructure such as pipelines, storage tanks, gas-fired power plants and tankers.

“To reduce social costs, it is important to make effective use of existing infrastructure, and methanation is a promising option for decarbonisation of gas energy,” Kentaro Kimoto, Tokyo Gas’ senior managing executive officer, told a news conference.


  • Reporting by Reuters


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Sean OMeara

Sean O'Meara is an Editor at Asia Financial. He has been a newspaper man for more than 30 years, working at local, regional and national titles in the UK as a writer, sub-editor, page designer and print editor. A football, cricket and rugby fan, he has a particular interest in sports finance.

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