【摘 要】
：
通过溶胶-凝胶-自蔓延燃烧法制备尖晶石型AFe2O4（A=Cu,Co,Ni,Mg,Zn）催化剂,以甲苯为VOCs模拟气,考察AFe2O4催化剂对VOCs的催化燃烧活性,并采用XRD、N2吸附-脱附、SEM、TEM、H2-
【机 构】
：
中国石油大学（华东）化学工程学院,石油石化污染物控制与处理国家重点实验室
论文部分内容阅读
通过溶胶-凝胶-自蔓延燃烧法制备尖晶石型AFe2O4（A=Cu,Co,Ni,Mg,Zn）催化剂,以甲苯为VOCs模拟气,考察AFe2O4催化剂对VOCs的催化燃烧活性,并采用XRD、N2吸附-脱附、SEM、TEM、H2-TPR、XPS对催化剂进行表征分析。结果表明：AFe2O4表现出较好的催化燃烧活性,其中Cu Fe2O4的催化燃烧活性最佳,起燃温度（T50）和完全燃烧温度（T90）分别为188℃、239℃。AFe2O4具有明显的片状尖晶石晶体,并形成以介孔为主的多级孔结构,该特点为催化剂提供了大量表面活
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