Support influence on Ni–Cu catalysts behavior under ethanol oxidative reforming reaction

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• 作者：André ; ia Cristina Furtado^a ; Christian Gonç ; alves Alonso^a ; Mauricio Pereira Cantã ; o^b ; Ná ; dia Regina Camargo Fernandes-Machado^a ; ^{nadia@deq.uem.br"" rel=""nofollow}
• 关键词：Hydrogen ; Ethanol ; Oxidative reforming ; Ni– ; Cu catalysts
• 刊名：International Journal of Hydrogen Energy
• 出版年：2011
• 出版时间：August 2011
• 年：2011
• 卷：36
• 期：16
• 页码：9653-9662
• 全文大小：592 K

文摘

The ethanol oxidative reforming reaction was performed with Ni–Cu catalysts on different supports. The results indicated that Ni–Cu/Nb₂O₅ and Ni–Cu/ZnO were the most appropriate catalysts for the reaction regarding activity, stability, and selectivity for hydrogen production. Ni–Cu/Nb₂O₅ catalysts have strong acidity (at 600 °C), while ZnO has very low acidity. Ni–Cu/Ce_0.6Zr_0.4O₂ catalysts, which only have weak acidity (at 250 °C), presented poor stability and hydrogen selectivity. This shows that acidity has no influence on hydrogen production.