SO_4^(2–)/M_xO_y型固体超强酸催化剂的研究进展  

Research progress of SO_4^(2–)/M_xO_y solid superacid catalysts

作　　者：陈焕章[1,2] 张悦 冯雪 孙朝利[1] CHEN Huanzhang;ZHANG Yue;FENG Xue;SUN Zhaoli(College of Chemical and Pharmaceutical Engineering,Hebei University of Science and Technology,Shijiazhuang 050018,Hebei,China;Hebei Key Laboratory of Molecular Chemistry for Drug,Shijiazhuang 050018,Hebei,China)

机构地区：[1]河北科技大学化学与制药工程学院,河北石家庄050018 [2]河北省药用分子化学重点实验室,河北石家庄050018

出　　处：《化工进展》2018年第5期1795-1803,共9页Chemical Industry and Engineering Progress

摘　　要：SO_4^(2–)/M_xO_y型固体超强酸催化剂具有活性高、无污染、不腐蚀设备和可重复使用等优点,是一种典型的环境友好型催化剂。本文讨论了浸渍沉淀法、溶胶-凝胶法、低温陈化法和超声波共沉淀法4种制备方法对催化剂催化性能的影响。重点综述了SO_4^(2–)/M_xO_y型固体超强酸催化剂在载体和活性组分改性方面的研究进展。根据固体超强酸催化剂的结构模型,分析了SO_4^(2–)/M_xO_y型固体超强酸的成酸机理,介绍了催化剂的失活机理、表征手段以及在各个领域的应用实例,最后对SO_4^(2–)/M_xO_y型固体超强酸催化剂的结构理论和制备技术进行了展望。SO4 2–/MxOy solid superacid catalysts have many advantages such as high activities,less pollution,no corrosion to reactor and easy recycle,so they are a type of typical eco-friendly catalysts.The effects of four preparation methods of impregnation,sol-gel,low-temperature aging and ultrasonic coprecipitation on the catalytic performance of the catalysts were discussed.The research progress in the modification of support and active component of SO4 2–/MxOy solid superacid catalysts was reviewed.According to the structural model of solid superacid catalysts,the mechanism of acid formation of SO4 2–/MxOy solid superacid was analyzed.The deactivation mechanism,characterization methods and some application examples of the catalysts were introduced.Finally,the structure theory and preparation technology of SO4 2–/MxOy solid superacid catalysts were prospected.

关 键 词：固体超强酸 催化剂 催化剂载体 制备 改性 应用 

分 类 号：TQ426.6[化学工程] O643.36[理学—物理化学]