表面改性活性炭负载催化剂Pt-Sn/AC的制备及其催化性能  

Preparation of Surface Modified Activated Carbon Loaded Catalysts Pt-Sn/Ac and Their Catalytic Properties

作　　者：李国峰[1] 陈梅[1] 孔瑛 侯影飞 

机构地区：[1]新疆应用职业技术学院石油与化学工程系,新疆奎屯833200 [2]中国石油大学化学工程学院重质油国家重点实验室,山东青岛266580

出　　处：《合成化学》2017年第10期827-831,835,共6页Chinese Journal of Synthetic Chemistry

基　　金：国家自然科学基金资助项目(51173203);中央高校基本科研业务费专项资金项目(15CX05014A);山东省自然科学基金资助项目(ZR2012BL15)

摘　　要：分别将活性炭(AC-1)在65%HNO3和空气中进行氧化处理,制得两种表面改性的活性炭载体(AC-2和AC-3)。以AC-1~AC-3为载体,采用等体积分步浸渍法制备了3种Pt-Sn/AC催化剂(Cat-1~Cat-3),其结构经XRD,TEM,FT-IR,TG-DTG和N2吸附-脱附表征。以正丁烷脱氢反应为模板反应,研究了Cat-1~Cat-3的催化性能。结果表明:Cat-2催化性能最好,正丁烷脱氢转化率71.5%,正丁烯选择性77.5%。The activated carbon （ AC-1 ） was oxidized in 65 % HNO3 and air, respectively, to afford two kinds of surface modified activated carbons（AC-2 and AC-3）. Three Pt-Sn/AC catalysts（ Cat-l, Cat- 2, Cat-3） were prepared by the volumetric immersion method, using AC-1 - AC-3 as the supporters. The structures were characterized by XRD, TEM, FT-IR, TG-DTG and N2 physical adsorption. The catalytic properties of Cat-1 - Cat-3 were investigated by the reaction of n-butane dehydrogenation. The results showed that Cat-2 exhibited the best catalytic property with n-butane conversion rate of 71.5% and n-butene selectivity of 77.5%.

关 键 词：活性炭载体 表面改性 Pt-Sn/AC催化剂 制备 催化性能 

分 类 号：O62[理学—有机化学]