Obayashi and Iwatani Launch Cold Energy Recovery Project Using Liquefied Hydrogen
Obayashi Corp. and Iwatani Corp. have initiated a demonstration project to recover cold energy from liquefied hydrogen, achieving approximately 90% recovery efficiency. This project is significant for enhancing energy efficiency in building cooling systems and supports Japan's hydrogen-focused decarbonization goals.
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Obayashi Corp. and Iwatani Corp. have begun a demonstration project to recover cold energy from liquefied hydrogen, utilizing a heat-exchange system that operates with 90% efficiency. Conducted at Iwatani's research facilities, the project aims to use cold energy from liquefied hydrogen, which is typically wasted during vaporization, for air conditioning and refrigeration.
Research began in October 2022, developing technology to enable stable cold energy recovery despite challenges like refrigerant freezing. The project supports Japan's hydrogen strategy, focusing on better energy efficiency in hydrogen supply chains and potential applications in building systems. If successful, this technology could drive broader acceptance of hydrogen in various industrial applications.
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