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    • 2. 发明专利
    • Thermochemical method hydrogen production apparatus and method
    • JP5075484B2
    • 2012-11-21
    • JP2007143212
    • 2007-05-30
    • 株式会社東芝
    • 秀樹 中村陵太 高橋治彦 高瀬和矢 山田一男 村上昇 神保
    • C01B3/02C01B7/13C01B7/14C01B9/06C01B13/02C01B17/50
    • PROBLEM TO BE SOLVED: To provide a hydrogen manufacturing apparatus using a thermochemical method and a method of using the same, in which a hydrogen yield can be increased, while maintaining nearly the same level of the scale of apparatus and heat efficiency required during hydrogen iodide decomposition. SOLUTION: The hydrogen manufacturing apparatus using a thermochemical method includes: a hydrogen iodide generation vessel 3 which generates hydrogen iodide and sulfuric acid 25 by thermochemically decomposing iodine 23, sulfur dioxide 21 and water 22; a hydrogen iodide distillation vessel 4 which separates water 22 from the hydrogen iodide introduced from the vessel 3 where the hydrogen iodide 24 is generated and separated; a hydrogen iodide decomposition vessel 5 which decomposes separated the hydrogen iodide by a chemical reaction with germanium into hydrogen 26 and iodine 23; a hydrogen iodide-iodine recovering vessel 6 which recovers the decomposed iodine 23 and the undecomposed hydrogen iodine 24, a hydrogen purification vessel 7 which purifies the separated hydrogen 26; a sulfuric acid distillation vessel 1 which separates water 22 from sulfuric acid 25 introduced from the vessel 3 where the sulfuric acid 25 is generated and separated; and a sulfuric acid decomposition vessel 2 which decomposes the separated sulfuric acid 25 into sulfuric acid 21 and oxygen 27. COPYRIGHT: (C)2009,JPO&INPIT