摘要
以堇青石为载体,采用浸渍法制备Mn-M/Cordierite(cord)(M=Co、Ce、La、Cu、Ni)复合金属氧化物催化剂,考察其催化燃烧甲苯的性能,并通过SEM、XRD和H_2-TPR对催化剂进行表征,结果表明,MnO_x和CoO_x之间具有相互作用,MnCo催化剂具有最高的甲苯催化活性,T_(50)和T_(90)分别为243℃和259℃.改变Mn和Co的比例,发现当Mn∶Co=2∶3时,Mn_2Co_3催化剂具有最高的甲苯和乙酸乙酯的催化性能,T_(90)分别为252℃和238℃.
Mn-M/Cord（ M = Co、Ce、La、Cu、Ni） mixed oxide catalysts were prepared by impregnation method with cordierite as a carrier,to investigate the performance of the catalytic combustion of toluene. The catalyst were characterized by scanning electron microscopy（ SEM）,X-ray diffraction（ XRD）,and hydrogen temperature programmed reduction（ H_2-TPR）. The results showed that interaction existed between MnO_x and CoO_x,and MnCo catalyst had the best catalytic activity for toluene oxidation. T_（50） and T_（90） were 243 ℃ and 259 ℃,respectively. When the Mn ∶ Co =2∶3 riatio was varied,it was found that Mn_2Co_3 catalyst had the highest catalytic activity for toluene and ethyl acetate,and T_（90） was 252 ℃ and 238 ℃,respectively.
作者
黄海凤
徐琴琪
陈晓
邱文娟
卢晗锋
HUANG Haifeng;XU Qinqi;CHEN Xiao;QIU Wenjuan;LU Hanfeng(College of the Environment,Zhejiang University of Technology,Hangzhou,310014,China;College of Chemical Engineering and Material Science,Zhejiang University of Technology,Hangzhou,310014,China)
出处
《环境化学》
CAS
CSCD
北大核心
2018年第7期1583-1590,共8页
Environmental Chemistry
基金
国家自然科学基金(21506194
21676255)
浙江省自然科学基金(Y16B070025)
浙江省重大科技专项(2017C33106
2017C03007)资助~~
关键词
VOCS
Mn基复合金属
催化燃烧
VOCs
Mn-based mixed metal oxide
catalytic combustion.
