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    • 39. 发明授权
    • Thermochemical process for manufacture of hydrogen and oxygen from water
    • 从水中制造氢气和氧气的热化学工艺
    • US3969493A
    • 1976-07-13
    • US588873
    • 1975-06-20
    • Kinjiro FujiiWakichi Kondo
    • Kinjiro FujiiWakichi Kondo
    • C04B2/02C01B3/02C01B3/04C01B3/06C01B7/13C01B11/22C01B13/02C01F11/04C01F11/20C01B13/00
    • C01B13/0203C01B11/22C01B3/068C01F11/20Y02E60/364
    • Calcium hydroxide and iodine are reacted with each other in the presence of water to produce calcium iodate and calcium iodide, the former of which precipitates from the reaction solution and is obtained by filtration and the latter of which is thereafter separated from the filtrate by evaporation separation. The calcium iodate is heated until it is converted into calcium oxide, whereafter there ensues generation of a mixed gas of iodine and oxygen. The mixed gas is cooled causing the iodine component thereof to solidify and pure oxygen gas is consequently liberated to be obtained as one product. The calcium iodide is solidified and subsequently heated under a current of steam to cause it to undergo conversion into calcium oxide with liberation of hydrogen iodide gas. The hydrogen iodide gas thus liberated is then separated by a known method into iodine and hydrogen which is obtained as another product. The calcium oxide and iodine remaining after separation of oxygen and hydrogen are recycled to serve again as starting reactants.
    • 氢氧化钙和碘在水的存在下彼此反应,产生碘酸钙和碘化钙,其中前者从反应溶液中沉淀出来,通过过滤得到,后者通过蒸发分离从滤液中分离出来 。 将碘酸钙加热直至其转化为氧化钙,然后产生碘和氧气的混合气体。 将混合气体冷却,使其碘成分固化,从而释放纯氧气作为一种产物。 将碘化钙固化并随后在蒸汽电流下加热,使其在释放碘化氢气体时转化为氧化钙。 然后将如此释放的碘化氢气体通过已知方法分离成碘和氢气,其作为另一产物获得。 分离氧气和氢气后剩余的氧化钙和碘被再循环,作为起始反应物。