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OALib Journal期刊
ISSN: 2333-9721
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氧化锌修饰的铁酸铜催化剂水煤气变换性能研究
, PP. 1351-1356
Keywords: 水煤气变换反应,铁酸铜催化剂,氧化锌修饰,还原性,碱性位点
Abstract:
？以250~400℃为活性测试温区,研究了氧化锌修饰的铁酸铜催化剂的水煤气变换性能.发现以2.5%zno修饰的催化剂表现出较高的催化活性,n2物理吸附、sem、xrd、h2-tpr和co2-tpd表征结果表明,适量zno的引入不仅能够促使cufe2o4晶相发生转变,而且可以增强催化剂还原性能和增加弱碱性和中强碱性位点数量,同时也可改善铜铁之间的相互作用,从而提高了cufe2o4的催化活性.
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