维普中文期刊产品整合服务

Environmental,economic and exergy analysis of separation of ternary azeotrope by variable pressure extractive distillation based on multi-objective optimization

查看全文 作　　者：Peizhe [1]Cui;Jiafu [1]Xing;Chen [1]Li;Mengjin [1]Zhou;Jifu [1]Zhang;Yasen [1]Dai;Limei [1]Zhong;Yinglong [1]Wang 高影响力作者 机构地区：[1]College of Chemical Engineering,Qingdao University of Science and Technology,Qingdao 266042,China高影响力机构 出　　处：《Chinese Journal of Chemical Engineering》索引2024年第65卷第1期,共13页高影响力期刊 基　　金：supported by the National Natural Science Foundation of China(22178188). 摘　　要：In this work,the ternary azeotrope of tert-butyl alcohol/ethyl acetate/water is separated by extractive distillation(ED)to recover the available constituents and protect the environment.Based on the conductor like shielding model and relative volatility method,ethylene glycol was selected as the extractant in the separation process.In addition,in view of the characteristic that the relative volatility between components changes with pressure,the multi-objective optimization method based on nondominated sorting genetic algorithm II optimizes the pressure and the amount of solvent cooperatively to avoid falling into the optimal local solution.Based on the optimal process parameters,the proposed heat-integrated process can reduce the gas emissions by 29.30%.The heat-integrated ED,further coupled with the pervaporation process,can reduce gas emission by 42.36%and has the highest exergy efficiency of 47.56%.In addition,based on the heat-integrated process,the proposed two heat pump assisted heat-integrated ED processes show good economic and environmental performance.The double heat pump assisted heat-integrated ED can reduce the total annual cost by 28.78%and the gas emissions by 55.83%compared with the basis process,which has a good application prospect.This work provides a feasible approach for the separation of ternary azeotropes. 关 键 词：Extractive distillation Optimization MIXTURES SEPARATION
相关文献

参考文献(45)

耦合文献(4)

网站首页 | 关于我们 | 联系我们 | 产品服务 | 客服中心 | 广告服务 | 版权声明 | 网站联盟 | 友情链接 | 售卡网点

版权所有© 渝B2-20050021-1　渝公网安备 50019002500403号　违法和不良信息举报中心

互联网出版许可证 新出网证(渝)字10号 全国400电话 - 免长途话费