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Promotional Effect of CoO(OH) on Selective Hydrogenation of Maleic Anhydride to γ-Butyrolactone over Supported Ruthenium Catalyst

查看全文 作　　者：Zhou [1]Yafen;Wang [1]Qing;Wang [1]Manman;Yang [1]Wenjuan;Zhou [1]Limei;Ma [2]Xiaoyan 高影响力作者 机构地区：[1]Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University;[2]College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology高影响力机构 出　　处：《China Petroleum Processing & Petrochemical Technology》索引2015年第17卷第4期,共6页高影响力期刊 基　　金：the financial support from the Natural Science Foundation of China(No.21303139);the Key Fund Project of Educational Department of Sichuan Province(No.14ZA0126);the Open Project of Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province(No.CSPC2013-1) 摘　　要：A decorated ruthenium catalyst was prepared by the coprecipitation method and used for the selective hydrogenation of maleic anhydride(MA) to γ-butyrolactone(GBL). The as-prepared catalyst was characterized by XRD, TGDTG and N2 adsorption techniques. The characterization tests revealed that the catalyst carrier was composed of monoclinic zirconia(m-ZrO2) and hydroxyl cobalt oxide(CoO(OH)). The hydrogenation results showed that the content of CoO(OH), the reaction temperature, the hydrogen pressure and the reaction time significantly affected the catalytic selectivity to GBL. The promotional effect of CoO(OH) was remarkable, which led to an obvious increase in GBL selectivity. An 100% MA conversion and 92.0% selectivity to GBL were achieved over the Ru/ZrO2-CoO(OH)(35%) catalyst in water solvent under the conditions involving a reaction temperature of 180 ℃, a hydrogen pressure of 3.0 MPa, and a reaction time of 6 h. 关 键 词：负载钌催化剂 Γ-丁内酯 选择性加氢 COO 马来酸酐 宣传效果 反应温度 反应时间
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