2,6-二甲基苯酚异构化反应研究  

Study on isomerization of 2,6-dimethylphenol

作　　者：雷东卫 赵志利 惠悦 鲁阳阳 王琨 Lei Dongwei;Zhao Zhili;Xi Yue;Lu Yangyang;Wang Kun(Institute of Fine Chemicals,Xi’an Origin Chemical Technologies Co.,Ltd.,Xi’an 710061,Shaanxi,China;Hydrocarbon High-efficient Utilization Technology Research Center,Shaanxi Yanchang Petroleum(Group)Co.,Ltd.,Xi’an 710077,Shaanxi,China)

机构地区：[1]西安元创化工科技股份有限公司精细化工研究所,陕西西安710061 [2]陕西延长石油集团有限责任公司碳氢高效利用技术研究中心,陕西西安710077

出　　处：《工业催化》2023年第4期65-69,共5页Industrial Catalysis

摘　　要：研究了三氯化铝催化2,6-二甲基酚的异构化反应,结果表明2,6-二甲基苯酚异构化合成附加值较高的二甲基苯酚混合物(包括2,5-二甲基苯酚、3,5-二甲基苯酚、2,3-二甲基苯酚、3,4-二甲基苯酚)是可行的,催化剂三氯化铝活性高,原料转化率>99%。主要考察了三氯化铝催化2,6-二甲基苯酚异构化反应合成2,5-二甲基苯酚、2,3-二甲基苯酚的效果,其中2,5-二甲基苯酚选择性可达95%以上,且2,6-二甲基苯酚转化率>83.5%。The isomerization of 2,6-dimethylphenol catalyzed by aluminum trichloride was studied.It was found that the isomerization of 2,6-dimethylphenol to dimethyl phenol mixture with high added value(including 2,5-dimethylphenol,3,5-dimethylphenol,2,3-dimethylphenol,3,4-dimethylphenol)was feasible.The catalyst aluminum trichloride had high activity and the conversion of raw materials was>99%.The effects of aluminum trichloride on the isomerization of 2,6-dimethylphenol to 2,5-dimethylphenol and 2,3-dimethylphenol were mainly investigated.The selectivity of 2,5-dimethylphenol was more than 95%,and the conversion of 2,6-dimethylphenol was more than 83.5%.

关 键 词：精细化学工程 三氯化铝 2 6-二甲基酚 异构化反应 

分 类 号：O625.45[理学—有机化学] TQ244.3[理学—化学]