MoO3—SiO2表面复合物金属催化剂载体的制备与表征.pdfVIP

分 子 储 化 第u卷 参考文献 1难波征太郎．斯披忠夫．7 三十触媒5：土6硫化力 水= 0加水分解反应．工业化学杂志．1968，71： 93 2George ZM．Effect of Catalyst BasicityforCOS-SO~armCOSHydrolysisReaCtions．JCaa，1974．35j 218 3秋元正道，Dalla Lana 1 0．二硫化碳素0气相加水分解反应忙扫I于而7 i于触媒上0酸点 还原点0关 与．日本化学会志，1979，89 579 4 Akimoto M．Daua Lana I G．Role of Reduction Sites in Vapor—Phase Hydrolysis of Carbonyl Sulfide over Alumina Catal揶 ．d 0 ，1980，目2：84 5张青林，郭汉贤．y-A1：O 催化剂上精基硫的水解动力学．催化学报，1988，9：14 6 Fiedorow R．Leaute R．DaUa La．a I G．A Study of the Kinetics and Mechanism of COS Hydrolys~OVeT Alumina．d Cots／，1984，日5I339 7 Pursglove L A．Wainwright H W ．Colc*imetri~Determination of Carbonyl Sulfide in Synth~is G∞． C枷 ， 1954，20：1835 8 Tan S，LiC，Limag S Compermafion Ef inCatalyticHydrolysls。fCarbonyl Sul~ide atLowe~Ten~ ature· 蛳 ，1991．8：155 The Surface M iciW and Catalysis over the Alumina Based Catalysts for COS and CS2 Hydrolysis NGGUAN Ju GUo Hanxlan (Bese~ck I~itute km 咖9 of Coal Tmeu~ 矾 茸of l删 030024) Abstract CO2一TPD and COS or cs2 hydrolysis over three alumina based catalysts welo studied．The results show that the type．intensity and number of catalyst surface basic centers are d rent for these cataly幽．K20 and Pt—Ioadings improve the number and intensity of surface basic centers of the catalysts and the Conversion of COS or cs2 hydrolysis．By mathematical correlation，it is found that activation energy and peak area of the first type C02 desorption are proportional to the activation energy and the rate constant of COS hydrolysis respectively．whereas the peak areas of the first and the second够pe desorption centers are linear with the CS2 hydrolysis rate constants．Thus the weak basic centers