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CHAR Technologies to develop green hydrogen, biochar at HZI facility

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CHAR Technologies will develop a high-temperature pyrolysis-to-green hydrogen system at Hitachi Zosen Inova’s (HZI) anaerobic digestion (AD) facility in California.

The test project at HZI’s San Luis Obispo (SLO) facility will see CHAR’s high-temperature pyrolysis system process 18,000 tonnes per year of solid anaerobic digestate into 1,320 tonnes of green hydrogen annually, and 2,800 tonnes per year of biocarbon.

“We’re excited to work with HZI, a global AD system developer which just celebrated its 100th Kompogas plant, to further add value to the waste systems it processes,” said Andrew White, CEO of CHAR.

“The HZI SLO facility currently produces green electricity from green bin wastes and adding our system allows for the additional production of green hydrogen into the California market.”

CHAR and HZI’s project will be delivered under a built-own-operate-transfer (BOOT) model, where CHAR will be the initial project owner, with HZI managing system operations.

While CHAR owns the assets, it will receive revenues directly for the project outputs (green hydrogen and biocarbon). Upon executing the transfer, at its option, HZI’s subsidiary will purchase the project for a one-time payment. Ongoing project output revenues will be dispersed based on a predefined agreement.

Heath Jones, HZI’s managing director for North America, commented: “HZI is committed to innovating and developing projects that harness the methane released from waste and support a carbon-free economy.

“We are always looking for progressive ways to expand our net-negative carbon footprint and draw even more value from the waste processed at our renewable gas facilities.

“Adding CHAR’s innovative technology to create green hydrogen and biochar at HZI’s AD plant in San Luis Obispo continues to showcase both HZI and CHAR’s commitment to building a carbon-free economy.”