苯一步催化氧化法合成苯酚的研究  

Study on one-stage catalytic synthesis of benzene to phenol

作　　者：严云[1] 李向婷[1] 曹一丹 

机构地区：[1]西昌学院农业科学学院,四川西昌615013

出　　处：《能源化工》2015年第6期64-67,共4页Energy Chemical Industry

基　　金：四川省教育厅科研项目(13ZB0172)

摘　　要：以Ni/Al_2O_3为催化剂,H_2O_2为氧化剂,研究了直接氧化苯合成苯酚的工艺。采用正交试验设计方法,对影响苯酚收率的因素进行了优化设计试验。对试验中的6个因素各作了5个水平的考察,得出了该合成工艺的最优方案:反应时间3.0 h,反应温度70℃,催化剂用量0.1 g,H_2O_2用量3 m L,乙酸用量20 m L,苯用量7 m L。在此条件下,苯酚收率为30.03%。The process of synthesizing phenol by benzene direct oxidation is studied with Ni/Al_2O_3 as catalyst and H_2O_2 as oxidant. The orthogonal experimental design is used to optimize the experimental parameters which affect the yield of phenol. The influences of six factors with five levels are investigated and the optimum conditions for the synthetic process are obtained as follows： the reaction time is 3. 0 h,temperature is 70 ℃,and the dosage of catalyst,H_2O_2,acetic acid and benzene is 0. 1 g,3 m L,20 m L and 7m L,respectively. Under the optimum conditions,the yield of phenol can reach 30. 03%.

关 键 词：镍催化剂 苯 苯酚 直接氧化 

分 类 号：TQ243.12[化学工程—有机化工] O625.312[理学—有机化学]