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Co-O/SiO₂催化分子氧氧化二甲苯的比较与催化剂表征

Comparativity on Co-O/SiO₂ Catalyzed Oxidation of Xylene with Molecular Oxygen and Characterization of the Catalyst

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【Author】 YANG Kun-guo~(1,2),GUO Ming-hui~3,GUO Hong-yun~2,GE Zhong-hua~2(1.College of Chemistry and Chemical Engineering,Guangxi Normal University,Guilin 541004,China;2 College of Chemical Engineering and Materials Science,Zhejiang University of Technology,Hangzhou 310032,China; 3 LANLU Science and Technology Corporation Ltd.,Hangzhou 310052,China)

【机构】广西师范大学化学化工学院；杭州兰露科技有限公司；浙江工业大学化学与材料工程学院；浙江工业大学化学与材料工程学院广西桂林541004；浙江杭州310032；浙江杭州310052；

【摘要】以350℃焙烧的0.12mmol/g Co-O/S iO2为催化剂,在常压、120℃条件下催化分子氧氧化邻、间、对二甲苯,反应5.5 h的转化率分别为40.2%、27.5%、47.4%,相应甲基苯甲酸的收率分别为27.9%、19.9%、39.8%.并对催化剂进行了IR、XRD表征.更多还原

【Abstract】 The oxidation of o-,m-,p-xylene with molecular oxygen at atmosphere pressure and 120℃ were catalyzed by 0.12 mmol/g Co-O/SiO₂ calcinated at 350℃.The conversion of o-,m-,p-xylene were respectively 40.2%,27.5% and 47.4%,and the yields of o-,m-,p-toluic acid were respectively 27.9%,19.9% and 39.8% for 5.5 h.The catalysts were characterized by IR and XRD.更多还原

【关键词】 Co-O/SiO2；分子氧；催化；氧化；二甲苯；
【Key words】 Co-O/SiO₂； molecular oxygen； catalysis； oxidation； xylene；

【文献出处】湖北民族学院学报(自然科学版) ,Journal of Hubei Institute for Nationalities(Natural Science Edition) , 编辑部邮箱 ,2006年01期

【分类号】O643.36
【下载频次】110

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Co-O/SiO2催化分子氧氧化二甲苯的比较与催化剂表征

Comparativity on Co-O/SiO2 Catalyzed Oxidation of Xylene with Molecular Oxygen and Characterization of the Catalyst

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Co-O/SiO₂催化分子氧氧化二甲苯的比较与催化剂表征

Comparativity on Co-O/SiO₂ Catalyzed Oxidation of Xylene with Molecular Oxygen and Characterization of the Catalyst