均四甲苯的生产工艺与行业进展研究  

Production Technology and Industry Progress Research of 1,2,4,5-Tetramethylbenzene

作　　者：李江华 Li Jianghua(Jiangsu Zhengdan Chemical Industry Co.,Ltd.,Zhenjiang 212000,China)

机构地区：[1]江苏正丹化学工业股份有限公司,江苏镇江212000

出　　处：《山东化工》2023年第2期113-115,119,共4页Shandong Chemical Industry

摘　　要：首先介绍了均四甲苯的物理化学性质、分子结构,下游应用情况与领域。然后阐述了均四甲苯的生产工艺的方法,分别详细介绍了精馏-结晶法和化学合成法生产工艺。具体指精馏富集-冷冻结晶分离法,碳八碳九芳烃烷基化反应法、碳十异构化反应法、碳十歧化反应法等化学合成法;对比国内外生产工艺的具体过程和优缺点;其次,重点分析了均四甲苯的生产消费现状和市场前景;最后对两种生产工艺做了结论性评述并且概括了未来均四甲苯行业发展趋势。Firstly,the physical and chemical properties and molecular structure,downstream application situation and field of 1,2,4,5-Tetramethylbenzene are introduced.Then describe the production methods of the process,including the stilling-crystallization process and chemical synthesis process,including distillation-crystallization separation method,the reaction method of C _(8) or C_( 9 )aromatic hydrocarbon alkylation,C_( 10) aromatic hydrocarbon isomerization and disproportionation.Compare the specific process and advantages and disadvantages of domestic and foreign production technology;Secondary,the market prospect of 1,2,4,5-Tetramethylbenzene at domestic and foreign were selectively analyzed.Final,the development trend of 1,2,4,5-Tetramethylbenzene industry in the future have been summarized.

关 键 词：均四甲苯 生产工艺 精馏-结晶法 化学合成法 烷基化 行业进展 

分 类 号：TQ241[化学工程—有机化工]