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富氢气氛中CO的选择性氧化——碱金属助剂对Pt/γ-Al_2O_3催化剂性能的影响 被引量:2

Effects of alkali metal promoters on catalytic performance of Pt/γ-Al_2O_3 for CO preferential oxidation in hydrogen-rich stream
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摘要 研究了碱金属助剂对Pt/γ Al2O3催化剂选择性氧化富氢气氛中CO性能的影响。结果表明,碱金属助剂的引入对Pt/γ Al2O3的催化性能有不同程度的改变,其中添加Na和K后,能明显提高低温下的CO转化率。 The effects of alkali metal promoters on the catalytic performance of Pt/γ-Al_2O_3 for preferential oxidation(PROX) of CO in hydrogen-rich stream were studied. The results showed that doping of alkali metal promoters had different influences on the performance of Pt/γ-Al_2O_3 catalyst. The doping of Na and K promoters increased the conversion of CO at low temperature.
出处 《工业催化》 CAS 2004年第1期41-44,共4页 Industrial Catalysis
关键词 选择性氧化 Pt/γ-Al2O3催化剂 碱金属助剂 carbon monoxide preferential oxidation Pt/γ-Al_2O_3 catalyst alkali metal promoter
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