Room temperature oxidation of acetone by ozone over alumina-supported manganese and cobalt mixed oxides

查看全文 作　　者：Mehraneh [1]Ghavami;Mostafa [1]Aghbolaghy;Jafar [1]Soltan;Ning [1,2]Chen

机构地区：[1]Department of Chemical and Biological Engineering,University of Saskatchewan,Saskatoon,S7N 5 A9,Canada;[2]Canadian Light Source Inc.,University of Saskatchewan,Saskatoon,S7N 0X4,Canada

出　　处：《Frontiers of Chemical Science and Engineering》索引2020年第14卷第6期,共11页

基　　金：Authors would like to thank the University of Saskatchewan and the Natural Sciences and Engineering Research Council of Canada for their financial support of this research. 摘　　要：Volatile organic compounds(VOCs)are among the major sources of air pollution.Catalytic ozonation is an efficient process for removing VOCs at lower reaction temperature compared to catalytic oxidation.In this study,a series of alumina supported single and mixed manganese and cobalt oxides catalysts were used for ozonation of acetone at room temperature.The influence of augmenting the single Mn and Co catalysts were investigated on the performance and structure of the catalyst.The manganese and cobalt single and mixed oxides catalysts of the formula Mnl0%-CoX and Co10%-MnX(where X=0,2.5%,5%,or 10%)were prepared.It was found that addition of Mn and Co at lower loading levels(2.5%or 5%)to single metal oxide catalysts enhanced the catalytic activity.The mixed oxides catalysts of(Mnl0%-Co2.5%)and(Mn10%-Co5%)led to acetone conversion of about 84%.It is concluded that lower oxidation state of the secondary metal improves ozone decomposition and oxidation of acetone. 关键词：OZONE VOC manganese oxides cobalt oxides alumina support

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Room temperature oxidation of acetone by ozone over alumina-supported manganese and cobalt mixed oxides

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