化学工程2018，Vol.46Issue(5)：69-72,4.DOI:10.3969/j.issn.1005-9954.2018.05.014
[Emim]AC萃取精馏分离乙酸甲酯和甲醇工艺模拟
Extractive distillation simulation of methyl acetate and methanol azeotrope using ionic liquid [Emim] AC as solvent
摘要
Abstract
The ionic liquid 1-ethyl-3-methylimidazolium acetate ([Emim] AC) was used as the solvent to separate methyl acetate and methanol azeotrope.The extraction process was designed and optimized by Aspen Plus software.The influences of the solvent ratio,theoretical plate number,feed position and other factors on the separation effect were studied.The optimum operation parameters were determined as follows:the number of theoretical plates 30,the raw material and extraction solvent feed position 23th and 2th,reflux ratio 1.0,and solvent ratio 0.8.The operating temperature and pressure of flash tank was 85 ℃ and 20 kPa,respectively.The mass fraction of methyl acetate was 99.95％,and the mass fraction of methanol reached 99.54％.The purity of the product could satisfy separation requirement.It shows that [Emim] AC as the solvent has industrial application prospect on the extractive distillation of methyl acetate and methanol azeotrope.关键词
1-乙基-3-甲基咪唑醋酸盐/Aspen Plus/萃取精馏/乙酸甲酯/甲醇Key words
1-ethyl-3-methylimidazolium acetate/Aspen Plus/extractive distillation/methyl acetate/methanol分类
化学化工引用本文复制引用
李静,王克良,连明磊,李志,石开仪,吴红,叶昆..[Emim]AC萃取精馏分离乙酸甲酯和甲醇工艺模拟[J].化学工程,2018,46(5):69-72,4.基金项目
贵州省教育厅教学内容与课程体系改革项目(GZSJG10977201604) （GZSJG10977201604）
贵州省教育厅青年科技人才项目(黔教合KY字[2017]258) （黔教合KY字[2017]258）
卓越工程师培养计划(LPSSYzyjypyjh201702) （LPSSYzyjypyjh201702）
贵州省科技厅联合基金项目(黔科合J字LKLS[2013]27号) （黔科合J字LKLS[2013]27号）
国家自然科学基金资助项目(51504134) （51504134）
贵州省普通高等学校煤系固体废弃物资源化技术创新团队(黔教合人才团队字[2014]46号) （黔教合人才团队字[2014]46号）
贵州省煤炭资源清洁高效利用科研实验平台(黔科平台[2011]4003) （黔科平台[2011]4003）
