SO_4^(2-)/ZrO_2-Al_2O_3-Al固体酸催化合成乙酸己酯  

The synthesis of hexyl acetate on SO_4^(2-)/ZrO_2-Al_2O_3-Al solid acid

作　　者：杜长海[1] 王辉[2] 贺岩峰[1] 

机构地区：[1]长春工业大学化学工程学院,吉林长春130012 [2]吉林省教育厅高等教育处,吉林长春130051

出　　处：《长春工业大学学报》2006年第3期181-184,共4页Journal of Changchun University of Technology

基　　金：吉林省科技厅自然科学基金资助项目(19990557)

摘　　要：采用铝阳极氧化法制备了Al2O3-Al一体型载体,通过浸渍的方法将固体超强酸SO42-/ZrO2引入到Al2O3-Al上,得到一种新型的固体酸催化剂SO42-/ZrO2-Al2O3-Al,用XRD和NH3-TPD等技术对其结构和表面酸性进行了表征,并研究了反应条件等因素对催化合成乙酸己酯催化性能的影响。结果表明,SO42-/ZrO2-Al2O3-Al固体酸对乙酸己酯合成反应具有很好的催化活性和选择性,催化剂不经处理,可循环使用多次,与一些常见的催化剂相比,具有明显的优点。A kind of Al2O3-Al form carrier is prepared with anodic oxidation of high-purity aluminum foils. The solid acid SO4^2-/ZrO2 is introduced to Al2O3-Al by means of soakage to get a new solid catalyst SO4^2-/ZrO2-Al2O3-Al. With the techniques XRD and NH3-TPD, the structure and surface acid property of the catalyst are demonstrated. Also, some influences such as reaction conditions on the catalysis to the synthesis of hexyl acetate is studied. Results indicate that SO4^2-/ZrO2-AlzO3-Al solid acid has good catalysis activity and selectivity to the synthesis, and the catalysts can be used several times without any treatments. Comparison to other commonly used catalysts, it has the obvious advantages.

关 键 词：SO4^2-/ZrO2-Al2O3-Al固体酸 催化合成 乙酸己酯 阳极氧化 

分 类 号：O643.1[理学—物理化学]