熱化学水素製造UT-3サイクルの研究開発概要(<特集>水素製造・貯蔵の最新動向I)

概要

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Hydrogen is an attractive fuel for the future, because it is clean in its energy use. It is important to produce hydrogen from water by using renewable energy source such as solar energy. The thermochemical process is expected to be such a method which may produce hydrogen from water at high efficiency. The UT-3 hydrogen production cycle is one of the most promising thermochemical hydrogen production process which consists of four gas-solid reactions, containing Ca, Fe and Br compounds. Reactivity improvement of solid reactants was conducted experimentally. Process analysis was also performed and the flow scheme was improved. The continuous operation of UT-3 cycle under the improved loop flow scheme was demonstrated. The improvement in process efficiency is important to show the predominance of the thermochemical process and the process efficiency was evaluated introducing the adiabatic flow sheet. Continuous research work on the thermochemical hydrogen production process is necessary for realization of the clean hydrogen energy system.
一般社団法人日本エネルギー学会の論文
2013-11-20