从混合C_9芳烃中提取均三甲苯  

Recovery of Mesitylene from Mix C_9 Aromatic Hydrocarbon

作　　者：郑艳 晏华丹 李杰[3] 张嘉琳[3] 

机构地区：[1]锦州石化包装制品有限公司,辽宁锦州121001 [2]辽宁石化职业技术学院石油化工系,辽宁锦州121001 [3]辽宁工业大学材料与化学工程学院,辽宁锦州121001

出　　处：《辽宁化工》2009年第7期445-446,466,共3页Liaoning Chemical Industry

摘　　要：采用烷基化-分离法从混合C9芳烃中提取均三甲苯。烷基化反应中使用负载型固体酸催化剂。用盐酸对锦州高岭土进行酸改性,制得具有一定硅铝比的改性高岭土,以磷钨酸为活性组分,以酸改性高岭土为载体,采用等体积浸渍法制得HPW/高岭土固体酸催化剂,并将其应用于烷基化-分离法提纯均三甲苯工艺中,得到满足工业要求的纯度为98.5%的均三甲苯产品。Mesitylene was recovered from mix C9 aromatic hydrocarbon by alkylation - separation. The supported solid acid catalyst was used in alkylafion reaction. Using Jinzhou kaolin modified by acid as carrier and using phospbo - tungstic acid as active component,the modified kaolin supported phospho- tungstic acid catalyst（HPW/kaolin） was prepared by impregnation method. HPW/kaolin was applied in the reaction of purifying 1,3,5 - trimethyl benzene by alkylation- separation process. Purity of Mesitylene Products was satisfied the purity that industry demands for 98.5%.

关 键 词：混合C9芳烃 均三甲苯 催化烷基化 

分 类 号：TQ241.11[化学工程—有机化工]