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    • 75. 发明申请
    • HYDROGEN SEPARATION DEVICE AND METHOD FOR OPERATING SAME
    • 氢分离装置及其操作方法
    • US20140271450A1
    • 2014-09-18
    • US14344611
    • 2012-09-12
    • Takao IshikawaKazuhiro Yamamura
    • Takao IshikawaKazuhiro Yamamura
    • C01B3/50
    • C01B3/508B01D65/08B01D71/022B01D2256/16B01D2257/108B01D2311/10C01B3/503C22C5/04C22C27/02C22C30/00H01M8/04955H01M8/0687Y02E60/50
    • It is an objective of the invention to provide a method for operating hydrogen separation devices which is capable of efficiently suppressing hydrogen embrittlement in a hydrogen separation alloy membrane and to provide a hydrogen separation device that performs favorably during repeated starting/stopping operations thereof. There is provided a method for operating a hydrogen separation device for separating hydrogen from a mixture hydrogen gas using a membrane separation technique with a hydrogen separation alloy membrane. The method comprises the successive steps of: stopping supply of the mixture hydrogen gas to the hydrogen separation alloy membrane with a temperature of the membrane within a range from 300 to 600° C.; supplying an oxidizing gas over a predetermined duration to at least an upstream side of the membrane with a temperature of the membrane within a range from 300 to 600° C.; and lowering the temperature of the membrane to below 200° C.
    • 本发明的目的是提供一种操作氢分离装置的方法,其能够有效地抑制氢分离合金膜中的氢脆化,并提供在其重复的起动/停止操作期间有利地执行的氢分离装置。 提供了一种使用具有氢分离合金膜的膜分离技术来操作氢分离装置用于从氢气混合物中分离氢的方法。 该方法包括以下连续步骤:在300〜600℃的范围内,停止向氢分离合金膜供给混合氢气。 将膜的温度在300-600℃的范围内,将预定时间内的氧化气体供给到膜的至少上游侧; 并将膜的温度降低到200℃以下。