负载Fe^(3+)强酸性离子交换树脂催化合成乙酸苄酯  

Synthesis of benzyl acetate catalyzed by strong acid type ion exchange resin loaded Fe^(3+)

作　　者：蒋红芝[1] 廖安平[2] 

机构地区：[1]广西农业职业技术学院公共基础部,广西南宁530007 [2]广西民族大学化学与生态工程学院,广西南宁530006

出　　处：《应用化工》2011年第2期246-248,251,共4页Applied Chemical Industry

基　　金：广西科学与技术开发计划课题(桂科能0992028-13);广西民族大学重大项目资助(409011)

摘　　要：用D072型强酸性阳离子交换树脂负载Fe3+,制备用于合成乙酸苄酯的催化剂。结果表明,树脂负载Fe3+的条件为:Fe3+起始浓度为32.55 mmol/L,负载时间为3.0 min,负载温度为35.0℃,烘干温度为50.0℃。树脂催化合成乙酸苄酯的反应条件为:乙酸与苯甲醇的摩尔比为1∶1,催化剂用量为乙酸质量的15.0%,反应温度100℃,反应时间200 min,乙酸的转化率为67.10%,其催化活性比原树脂的催化活性提高了14.66%。The strong acid type ion exchange resin D072 loaded Fe3＋ as a catalyst for synthesis of benzyl acetate was investigated.The conditions loading Fe3＋ on the resin were：the initial concentration of Fe3＋ was 32.55 mmol/L,the loading time was 3 min,the loading temperature was 35 ℃,the dying temperature was 50 ℃.Using the resin loaded Fe3＋ as a catalyst for the synthesis of benzyl acetate,the molar ratio of benzyl alcohol to acetic acid was 1∶1,the quantity of the catalyst was 15% of initial acetic acid mass,the reaction temperature was 100 ℃,the reaction time was 200 min,the conversion of acetic acid was 67.10%.The catalytic activity of the resin loaded Fe3＋ increased by 14.46% comparing unload one.

关 键 词：强酸性阳离子交换树脂 负载Fe3+ 催化 乙酸苄酯 

分 类 号：TQ032.4[化学工程]