Design and control of a middle-vessel batch distillation for separating DMC–EMC–DEC mixture

查看全文 作　　者：Minyan [1]Zhu;Yafei [1]Hou;Na [1]Yu;Mengqi [1]Chen;Zhanhua [1]Ma;Lanyi [1]Sun

机构地区：[1]State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China)

出　　处：《Chinese Journal of Chemical Engineering》索引2018年第26卷第9期,共8页

基　　金：Supported by the National Natural Science Foundation of China(21676299,21476261,21506255) 摘　　要：In this paper, the mixture of dimethyl carbonate, ethyl methyl carbonate and diethyl carbonate was separated by middle-vessel batch distillation with feeding in middle-vessel and process control characteristics were researched. The steady state simulation results in Aspen Plus were exported to Aspen Dynamics. Then control effect of liquid level control with HighSelector, composition control(structure1, structure2) and temperature control(proportional action, proportional integration action) were proposed. Composition control structure 2 and temperature control with PI action were investigated to achieve a good control effect. 关键词：直接数字控制容器蒸馏混合 EMC DEC 设计温度控制

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Design and control of a middle-vessel batch distillation for separating DMC–EMC–DEC mixture

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