SO_4^(2-)/ZrO_2/SBA-15催化丙烯和乙酸合成乙酸异丙酯的研究  

Synthesis of isopropyl acetate from propylene and acetic acid over SO_4^(2-)/ZrO_2/SBA-15 catalyst

作　　者：王富丽[1] 王学丽[1] 任涛[1] 徐东 连丕勇[1] 

机构地区：[1]辽宁石油化工大学材料化学系,辽宁抚顺113001 [2]中国石油辽阳石化分公司炼油厂,辽宁辽阳111003

出　　处：《工业催化》2007年第2期40-43,共4页Industrial Catalysis

基　　金：国家自然科学基金资助项目(29792070)

摘　　要：水热合成了介孔材料SBA-15,并以其为载体负载固体超强酸SO42-/ZrO2,得到催化剂SO42-/ZrO2/SBA-15,通过XRD对其进行表征。在固定床反应器中,以丙烯和乙酸为原料,研究该催化剂催化合成乙酸异丙酯的活性。对反应条件进行系统地考察,得出最佳反应条件:反应温度140℃,反应压力1.2 MPa,空速1 h-1,n(C3H6)∶n(CH3COOH)=3∶1。在此条件下乙酸异丙酯的产率最高可达79.6%。Solid superacid SO4^2-/ZrO2 was supported on surface of SBA-15 prepared by hydrothermal method. The SO4^2-/ZrO2/SBA-15 catalyst was characterized by XRD technique. Catalytic activity of SO4^2-/ZrO2/SBA-15 for synthesis of isopropyl acetate from propylene and acetic acid was studied in a fixed-bed reaction system, including the reaction condition. Optimum reaction condition was obtained as follows： reaction temperature 140℃, reaction pressure 1.2 MPa, space velocity （LHSV） 1 h^-1, n（C3H6）：n（CH3COOH） = 3： 1. Isopropyl acetate yield of up to 79.6% was obtained under the optimum condition.

关 键 词：SO4^2-/ZrO2/SBA-15 乙酸异丙酯 丙烯 乙酸 

分 类 号：TQ426.94[化学工程] TQ225.24