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April 7, 2021

Denso starts Anjo CO2 circulation plant testing

Denso has started testing a CO2 circulation plant at its Anjo Plant’s Electrification Innovation Centre in Japan.

By Rhodri Morgan

Denso has started testing a CO2 circulation plant at its Anjo Plant’s Electrification Innovation Centre in Japan.

The new plant is a demonstration facility designed to capture and recycle CO2.

The site is designed to capture CO2 primarily generated by the plant and recycle it as an energy source for the facility and other uses. The technology used in the project was developed jointly with Toyota Central R&D Labs.

In the process, the plant synthesises methane, which is made from CO2 emitted by gas-fuelled equipment and hydrogen, manufactured by renewable electricity and reused as a source of energy.

The demonstration equipment consists of: a dehydrator, which removes moisture contained in the emissions of equipment; a CO2 collector, which uses Denso’s technology to purify automotive emissions; a hydrogen generator, which produces hydrogen to be synthesised with captured CO2; and a methanation reactor, which uses CO2 and hydrogen to synthesize methane that is supplied to the equipment.

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The CO2 circulation of the demonstration equipment will be applied not only to Denso production facilities, but also to manufacturing sites around the world to achieve carbon neutrality.

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