成果報告書詳細
管理番号20150000000200
タイトル*平成26年度中間年報 水素利用等先導研究開発事業 エネルギーキャリアシステム調査・研究 水素分離膜を用いた脱水素
公開日2015/12/19
報告書年度2014 - 2014
委託先名公益財団法人地球環境産業技術研究機構 千代田化工建設株式会社
プロジェクト番号P14026
部署名新エネルギー部
和文要約
英文要約Title: Advancement of Hydrogen Technologies and Utilization Project. Analysis and Development on Hydrogen as an Energy Carrier. Development of dehydrogenation system using inorganic hydrogen separation membrane for organic chemical hydride. (FY2014-2015) FY2014 Annual Report

Organic chemical hydrides such as methylcyclohexane have high potential as hydrogen carriers for efficient hydrogen storage and transport. For the widespread of energy system with organic chemical hydrides, it is necessary to develop compact and efficient dehydrogenation systems suitable for commercial buildings, office complex, or hydrogen-supplying stations. Membrane reactors with inorganic membranes such as hydrogen selective silica membrane are expected to reduce the volume and increase efficiency of dehydrogenation systems. This program studies technical issues and economical feasibility of membrane reactors with hydrogen separation membranes for developing compact and efficient dehydrogenation systems.
Studies of preparation of longer-size silica membrane tubes for dehydrogenation
We have studied influence of cabinet temperature distribution, raw material gas concentration, etc. on hydrogen separation performance. Base on the results, we prepared 20cm-long silica membrane tubes having same good hydrogen separation performance as 7cm-long tubes.
Studies of reactions with single membrane reactor
We have studied reactions by membrane reactors with catalyst filled in outer side of double layers. We confirmed equilibrium shift effect of this reaction, and experimental results agree very well with simulation data.
Design of small-scale dehydrogenation reactor system for organic chemical hydrides
We conducted mass balance and heat balance simulation of membrane reactor modules with real scale for designing small-scale dehydrogenation reactor system. We got results that about 300 membrane reactor tubes can supply enough hydrogen to a 100kW Fuel cell. Based on the results, we designed small-scale dehydrogenation reactor system for experiments in the next year.
Feasibility study (FS) of the dehydrogenation process using H2 permselective membrane
 We have studied the influence of hydrogen separation method (inorganic membrane and PSA) in the capital cost and the operation cost at 100kW SOFC for dispersed power source.
 As a result, the inorganic membrane system has almost same capital cost and lower operating cost compared with the PSA system.
 We have studied the market of small power source for industry or large scale storer. We estimated that 100-200kW devise has versatility.
The study of small -scall dehydrogenation process
 We improved the isothermal type reactor simulator of the membrane dehydrogenation to non-isothermal type simulator which evaluated influence of the heat supply. And we estimated the influence of heat supply. As a result, we confirmed that the length to be adopted must be twice of isothermal for getting enough performance.
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