成果報告書詳細
管理番号20160000000194
タイトル*平成27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2016/12/20
報告書年度2015 - 2015
委託先名千代田化工建設株式会社 公益財団法人地球環境産業技術研究機構
プロジェクト番号P14021
部署名新エネルギー部
和文要約
英文要約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

Chiyoda Corporation, Research Institute of Innovative Technology for the Earth

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 developed technologies for preparing 20cm-long and 10mm outer diameter silica membrane tubes having excellent hydrogen separation performance with good reproducibility.

・Studies of reactions with single membrane reactor
We have studied membrane reactor’s structure, and we confirmed that we can adopt outer catalyst structure without any protective film for our silica membranes. It should create added values not only for efficient heat supply but for cost reduction.

・Design and manufacturing of small-scale dehydrogenation reactor system for organic chemical hydrides
We have developed a dehydrogenation reactor system which consists of seven membrane reactors, and we began operating experiments of methylcyclohexane dehydrogenation. We confirmed that we can get equilibrium shift effect with this reactor.

・Feasibility study (FS) of the dehydrogenation process using hydrogen permselective membrane
・The study of small ーscale dehydrogenation process
We have studied the market of dispersed power generator for industry or large scale store. We estimated that the 100kW SOFC generator is desirable for this system.
 We have studied the influence of hydrogen separation method (inorganic membrane and PSA) in the capital cost and the operation cost for 100kW SOFC system.
 As a result, if the membrane cost can be cut by half from the experimental stage, the capital cost of membrane system is favorable than the PSA system. And, the operation cost of membrane system is also favorable than the cost of the PSA system.
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