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瓜帅-催化剂

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10楼: Originally posted by 小虫毛涛涛 at 2014-03-18 11:32:06
感谢大神。
    TPR我这里很方便做,还原后的催化剂在室温条件下卸出,接触空气,催化剂上的Ni是不是被氧化,然后放热呢?
    另外,如果是Pd/Al2O3催化剂呢,我之前做过这个,该催化剂的TPR几乎是直线, ...

直线,水平的还是上升的?室温下就被还原了?没听说过这个,室温下氧化,指催化剂所处环境温度为室温,其实催化剂刚卸出时,还吸附部分氢,局部包裹过热的话很容易自燃,有反应热后导致连锁反应,导最终大面积被氧化。
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11楼2014-03-18 13:55:09
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