Toho Gas, Mitsubishi mix city gas with hydrogen in Japan
Toho Gas and Mitsubishi Heavy Industries Engine & Turbocharger have completed a pilot project to mix city gas and hydrogen using a commercial gas engine for a cogeneration system, the companies said on August 26.
The companies ran test operations that achieved the rated output with a 35% hydrogen mixed fuel-burning ratio. This is the first such successful test in Japan, they said.
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The demonstration test was conducted at the Toho Gas Technical Research Institute in Tokai, Aichi Prefecture, using a commercial gas engine from Mitsubishi.
“The aim is to acquire knowledge to facilitate city gas and hydrogen mixed-fuel combustion for existing cogeneration systems already installed at customer sites without extensive renovation of the equipment,” the companies said.