Citation: Zhu Yue-Xiang, Xu Gui-Ping, Xie You-Chang. Removal of H2 from CO by Selective Reaction of H2 with Metal Oxides[J]. Acta Physico-Chimica Sinica, ;1999, 15(01): 91-95. doi: 10.3866/PKU.WHXB19990118
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研究了一些氧化物的H2-TPR及CO-TPR行为,结果发现,Co3O4/Al2O3,NiO/SiO2,NiO和Pd/NiO的H2-TPR温度要低于它们的CO-TPR温度,特别是Pd/NiO样品,它的H2-TPR温度为598K,而其CO-TPR温度高达949K,差别为351K,因此有可能利用Pd/NiO在一定温度下选择性地与CO中的H2反应而将其除去. 实验结果表明,Pd/NiO可在603K及4000h-1的条件下从H2(0.34%),CO(50%)和N2(余)的混合气中选择性地除去90%以上的H2,吸氢容量为每克样品55mL标准态H2.
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Keywords:
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H2-TPR
, - CO-TPR,
- H2 removal
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