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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 shu

Removal of H₂ from CO by Selective Reaction of H₂ with Metal Oxides

1.
Institute of Physical Chemistry,Peking University,Beijing 100871

Received Date: 6 January 1998
Available Online: 15 January 1999

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.
- H₂-TPR,
- CO-TPR,
- H₂ removal
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Removal of H2 from CO by Selective Reaction of H2 with Metal Oxides

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Removal of H₂ from CO by Selective Reaction of H₂ with Metal Oxides