Nuclear Production of Hydrogen
Fourth Information Exchange Meeting, Oakbrook, Illinois, USA , 14-16 April 2009
Hydrogen has the potential to play an important role as a sustainable and environmentally acceptable energy carrier in the 21st century. This report describes the scientific and technical challenges associated with the production of hydrogen using heat and/or electricity from nuclear power plants, with special emphasis on recent developments in high-temperature electrolysis and the use of different chemical thermodynamic processes. Economics and market analysis as well as safety aspects of the nuclear production of hydrogen are also discussed.
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Possibility of active carbon recycle energy system
Nuclear Energy Agency
A new energy transformation system based on carbon recycle use was discussed. A concept of an Active Carbon Neutral Energy System (ACRES) was proposed. Carbon dioxide is regenerated artificially into hydrocarbons by using a heat source with non-carbon dioxide emission, and the regenerated hydrocarbon is re-used cyclically as an energy carrier media in ACRES. Feasibility of ACRES was examined thermodynamically in comparison with hydrogen energy system. Carbon monoxide was the most suitable for a recycle carbon media in ACRES because of relatively high energy density in comparison with hydrogen, and high acceptability to conventional chemical, steel and high-temperature manufacturing industries. A high-temperature gas reactor was a good power source for ACRES. ACRES with carbon monoxide as recycle media was expected to be one of the efficient energy utilisation systems for the reactor.
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