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    • 9. 发明专利
    • HYDROGEN SEPARATING SYSTEM USING Nb MEMBRANE AND PERIODIC TABLE 5A GROUP METAL ALLOY MEMBRANE
    • 使用Nb膜和周期表5A的氢分离系统组合金属合金膜
    • JP2010240637A
    • 2010-10-28
    • JP2010007428
    • 2010-01-15
    • Institute Of National Colleges Of Technology JapanNagoya UnivTokyo Gas Co Ltd国立大学法人名古屋大学東京瓦斯株式会社独立行政法人国立高等専門学校機構
    • KUROKAWA HIDETONISHII TAKUMISHIRASAKI YOSHINORIYASUDA ISAMUMORINAGA MASAHIKOYUGAWA HIROSHINANBU TOMONORIMATSUMOTO YOSHIHISA
    • B01D53/22B01D71/02C01B3/38C01B3/56
    • PROBLEM TO BE SOLVED: To provide a hydrogen producing system for separating hydrogen from a gas of low-concentration hydrogen with a small difference of partial pressure of hydrogen making use of the characteristic of a Nb membrane, and to provide a hydrogen producing system for reforming methane in a gas of low-concentration hydrogen containing methane of high temperature and producing and separating hydrogen from the obtained reformed gas with a small difference of partial pressure of hydrogen. SOLUTION: The system is for separating hydrogen using the Nb membrane from the gas of low-concentration hydrogen at room temperature and atmospheric pressure generated from a generator of the gas of low-concentration hydrogen at room temperature. The hydrogen separating system includes (a) the Nb membrane, (b) a heating means equipped with a burner, (c) a means for supplying the upstream side of the Nb membrane with the gas of low-concentration hydrogen at room temperature and (d) a means for recovering hydrogen in the downstream side of the Nb membrane. The hydrogen separating system is for selectively separating hydrogen from the gas of low-concentration hydrogen by heating the Nb membrane to 300-500°C with (b) the heating means equipped with a burner under (e) the condition that the solid solubility of hydrogen in the Nb membrane C(H/M) is 0.26 or lower. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种利用Nb膜的特征,以小的氢分压差从低浓度氢气中分离氢的氢气制备系统,并提供产氢 用于在含有高温甲烷的低浓度氢气的气体中重整甲烷的系统,并从所获得的重整气体中分离氢并以较小的氢分压差。

      解决方案:该系统用于在室温下从低浓度氢气中分离氢气,室温下由低浓度氢气发生器产生的大气压。 氢分离系统包括(a)Nb膜,(b)装有燃烧器的加热装置,(c)在室温下向Nb膜的上游侧供应低浓度氢气的装置和 d)在Nb膜的下游侧回收氢的方法。 氢分离系统用于通过将Nb膜加热至300-500℃来选择性地从低浓度氢气中分离出氢气,(b)在(e)下配备有燃烧器的加热装置,条件是固体溶解度 Nb膜C(H / M)中的氢为0.26以下。 版权所有(C)2011,JPO&INPIT