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    • 6. 发明授权
    • Apparatus for providing a pure hydrogen stream for use with fuel cells
    • 用于提供用于燃料电池的纯氢气流的装置
    • US06548029B1
    • 2003-04-15
    • US09442612
    • 1999-11-18
    • Gavin P. TowlerKurt M. Vanden Bussche
    • Gavin P. TowlerKurt M. Vanden Bussche
    • B01J802
    • H01M8/0631B01J8/0453B01J8/0496B01J2208/0015B01J2208/00176B01J2208/00212B01J2208/0084B01J2208/025C01B3/16C01B2203/0283C01B2203/066C01B2203/0894
    • An apparatus is provided which comprises a thermosiphon shift reactor for the conversion of carbon monoxide and the generation of steam for use in a fuel processor for the conversion of hydrocarbon fuels into hydrogen and employs the hydrogen in a fuel cell. The thermosiphon shift reactor comprises a vertically extended shell defining an interior volume containing a vertical axis defining a catalyst zone. The vertically extended shell contains a catalyst zone comprising a shift catalyst wherein a high temperature shift catalyst is disposed in successively tapering layers relative to a low temperature shift catalyst and the catalyst zone is at least partially surrounded by an external jacket which defines a flow passage between the vertically extended shell and the external jacket. A fluid reservoir is located above the vertically extended shell at a height effective to establish a thermosiphon effect between the flow passage and the reservoir which generates steam and provides an essentially uniform temperature at the shell wall.
    • 提供了一种装置,其包括用于转化一氧化碳的热虹吸变换反应器和用于在燃料处理器中用于将烃燃料转化为氢气并在燃料电池中使用氢气的蒸汽的产生。 热虹吸变换反应器包括垂直延伸的壳体,其限定包含限定催化剂区域的垂直轴线的内部容积。 垂直延伸的壳体包含催化剂区域,其包括换档催化剂,其中相对于低温变换催化剂将高温变换催化剂设置在相继逐渐变细的层中,并且催化剂区域至少部分地被外部护套包围,该外部套管限定了 垂直延伸的外壳和外套。 流体储存器位于垂直延伸的壳体上方,其高度有效地在流动通道和储存器之间建立热虹吸效应,其产生蒸汽并且在壳壁处提供基本均匀的温度。
    • 8. 发明授权
    • Water gas shift process for purifying hydrogen for use with fuel cells
    • 用于净化用于燃料电池的氢气的水煤气变换过程
    • US06375924B1
    • 2002-04-23
    • US09608118
    • 2000-06-30
    • Gavin P. TowlerKurt M. Vanden Bussche
    • Gavin P. TowlerKurt M. Vanden Bussche
    • C01B316
    • C01B3/16B01J23/78B01J23/80B01J23/862C01B3/384C01B3/48C01B2203/0233C01B2203/0244C01B2203/0288C01B2203/066C01B2203/0822C01B2203/0827C01B2203/0877C01B2203/1017C01B2203/1052C01B2203/1058C01B2203/1064C01B2203/107Y02P20/128Y02P20/52
    • A process and apparatus are disclosed for the operation of a compact water gas shift reactor for use in conjunction with fuel cell to generate electric power from a feedstream comprising a hydrocarbon or an alcohol. The fuel cell comprises a proton exchange membrane which produces electric power from a hydrogen product stream which comprises essentially no carbon monoxide. The hydrogen product stream may be produced from the feedstream in a steam reforming of autothermal reforming zone. The compact water gas shift reactor comprises a vertically aligned vessel having a top end, a bottom end opposite, which defines an interior space. The interior space contains a first water spray zone for contacting a reforming effluent stream comprising hydrogen with a first water stream. A first dispersion zone is disposed below the first water spray zone and above a high temperature shift zone. The high temperature shift zone contains a high temperature shift catalyst to produce a high temperature shift effluent stream. A second water spray zone is disposed below the high temperature shift zone and above a second dispersion zone. A low temperature shift zone is disposed below the second dispersion zone. The low temperature shift zone contains a low temperature shift catalyst to produce a water-saturated hydrogen product stream which comprises less than 50 ppm-mol carbon monoxide. The water dispersion zones simplify the overall shift reaction zone and provide protection for the shift catalysts from temperature shock.
    • 公开了用于与燃料电池结合使用以从包含烃或醇的进料流产生电力的紧凑型水煤气变换反应器的操作的方法和设备。 燃料电池包括质子交换膜,其从基本上不含一氧化碳的氢产物流产生电力。 氢气产物流可以在自热重整区域的蒸汽重整中由进料流产生。 紧凑型水煤气变换反应堆包括垂直排列的容器,其具有顶端,底端相对,其限定内部空间。 内部空间包含用于使包含氢气的重整流出物流与第一水流接触的第一喷水区。 第一分散区设置在第一喷水区下方和高温移位区之上。 高温位移区包含高温变换催化剂,以产生高温漂移流出物流。 第二喷水区设置在高温移位区下方和第二分散区之上。 低温移位区设置在第二分散区的下方。 低温变换区包含低温变换催化剂,以产生包含小于50ppm摩尔一氧化碳的水饱和氢产物流。 水分散区​​简化了整体转移反应区,为转移催化剂提供了对温度冲击的保护。