Research and development of on-site small skid-mounted natural gas to hydrogen generator in China |
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| Affiliation: | 1. Indo-Korea Science and Technology Center (IKST), Jakkur, Bengaluru 560065, India;2. Electronic Materials Research Center, KIST, Seoul 136-791, South Korea;3. Center for Energy Materials Research, Korea Institute of Science and Technology, Seoul 02792, Seoul, Republic of Korea;1. Department of Metallurgical and Materials Engineering, Nevsehir Haci Bektas Veli University, Nevsehir, 50300, Turkey;2. Department of Metallurgical and Materials Engineering, Eskisehir Osmangazi University, Eskisehir, 26040, Turkey;1. Institute of Refrigeration and Cryogenic Engineering, Xi''an Jiaotong University, Xi''an 710049, China;2. China Special Equipment Inspection and Research Institute, Beijing, 100029, China;3. College of Petroleum and Chemical, Lanzhou University of Technology, Lanzhou, 730050, China;1. Department of Chemistry, Colorado School of Mines, 1500 Illinois St. Golden, CO 80401, USA;2. Materials Science Program, Colorado School of Mines, 1500 Illinois St. Golden, CO 80401, USA;3. National Renewable Energy Laboratory, 15013 Denver West Pkwy., Golden, CO 80401, USA |
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| Abstract: | Using skid-mounted natural gas to hydrogen generator in hydrogen refueling station can significantly reduce the cost of hydrogen. In 2021, China successfully built the first 250 Nm3/h on-site skid-mounted natural gas to hydrogen generator, which was successfully debug-ed in Foshan, providing hydrogen products with purity ≥99.999% for FCVs. This paper summarized the technological process and development, analyzed the risk and the safety design of skid-mounted natural gas to hydrogen generator. Several key factors affecting compactness are analyzed, including process and technical route, reforming reformer and catalyst, heat exchange network, heat exchanger and steam generation system, PSA unit and overall integrated design, etc. In addition, innovative strategies to optimize the compactness of the device are given from the aspects of process flow, reforming reformer and steam generation system.The suggestions are put forward for the development and application of on-site skid-mounted natural gas to hydrogen generator. |
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| Keywords: | Hydrogen energy Skid-mounted natural gas to hydrogen generator Hydrogen refueling station Small-scale steam methane reforming |
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