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    • 15. 发明授权
    • Water gas shift process and apparatus for purifying hydrogen for use with fuel cells
    • 用于燃料电池的用于净化氢的水煤气变换过程和装置
    • US06409974B1
    • 2002-06-25
    • US09210306
    • 1998-12-11
    • Gavin P. TowlerKurt Vanden Bussche
    • Gavin P. TowlerKurt Vanden Bussche
    • B01D5000
    • 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 feed stream 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 produced from the feed stream 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一起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装置。 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。