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Abstract:
改变前驱体溶液中Fe<''2+>与Fe<''3+>物质的量比制备了系列Au/α-Fe<,2>O<,3>水煤气变换催化剂,并运用XRD、拉曼光谱和H<,2>-TPR对样品进行表征.结果表明,Fe<''2+>与Fe<''3+>物质的量比的变化对Au/α-Fe<,2>O<,3>催化剂低温水煤气变换活性具有显著影响,这是由Fe<''2+>的添加改变了载体α-Fe<,2>O<,3>的结晶度、结晶缺陷及晶粒大小,从而影响金纳米颗粒的分散及与载体间的相互作用.Fe<''2+>与Fe<''3+>适宜物质的量比为1:6,所得样品AF-1:6具有最佳低温活性,150℃,CO转化率达78.02%.
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工业催化
ISSN: 1008-1143
CN: 61-1233/TQ
Year: 2011
Issue: 4
Volume: 19
Page: 37-40
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SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 3
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