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Wildfire Energy completes pilot trials of mixed food waste for Hitachi

Wildfire Energy is pleased to announce it has successfully installed a new 2nd generation MIHG reactor in the pilot plant and completed a set of pilot trials for Hitachi to convert mixed food waste into syngas suitable for use in a gas engine or for upgrading into hydrogen.

Pictures of the upgraded MIHG pilot plant.

The pilot trials converted food waste which consisted of fruit and vegetables, such as lettuce, mixed with plastic packaging and other materials. The feedstock mimics waste food that is a significant challenge for supermarkets in Japan. The pilot trials were used to reduce the moisture content in the feedstock using the MIHG integrated drying system and then gasify the feedstock into syngas, comprising over 80 vol% CO+H2.

Pictures of the mixed food waste feedstock used in the MIHG pilot trials.

The pilot trials have been designed to support the development of business opportunities utilizing Wildfire’s MIHG gasification technology together with Hitachi’s gas engine technology in the food & beverage, food retail and other industry sectors especially in Japan and Australia.

Hitachi has already identified a potential customer for the implementation of a first project in Japan. This potential customer is a major player in Japan’s food industry and will be involved in reviewing the results of the MIHG food waste trials.

Wildfire and Hitachi are currently discussing next steps in their collaboration.

About Hitachi

Hitachi drives Social Innovation Business, creating a sustainable society with data and technology. We will solve customers' and society's challenges with Lumada solutions leveraging IT, OT (Operational Technology) and products, under the business structure of Digital Systems & Services, Green Energy & Mobility, Connective Industries and Automotive Systems. Driven by green, digital, and innovation, we aim for growth through collaboration with our customers. The company’s consolidated revenues for fiscal year 2021 (ended March 31, 2022) totaled 10,264.6 billion yen ($84,136 million USD), with 853 consolidated subsidiaries and approximately 370,000 employees worldwide. For more information on Hitachi, please visit the company's website at


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