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��ѧ��ҵ�빤�� 2015, Vol. 32 Issue (2) :69-73    DOI: 10.13353/j.issn.1004.9533.2015.02.012
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Simulation of Azeotropic Distillation of Ethanol, 1,4-Dioxane, Methanol and Water
Han Zhenwei1,2, Liu Tong1,2, Fan Yongmei1,2
1. School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China;
2. National Engineering and Research Center of Distillation Technology, Tianjin 300072, China
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Abstract�� Considering the ethanol-water mixture with methanol and 1,4-dioxane, an ethanol dehydration process via two-column azeotropic distillation using cyclohexane as entrainer was proposed. Azeotropes analysis of the system was made and the simulation of azeotropic distillation was conducted with Aspen Plus. The simulation results show that the two-column process is feasible and the content of water in the bottom of dehydration column is less than 0.05%(mass percentage). Methanol in the feed was discharged from the bottom of recovery column. The simulation results agree well with the process data.
Keywords�� ethanol dehydration��   azeotropic distillation��   methanol��   1,4-dioxane     
Received 2013-04-27;
Corresponding Authors: ����Ϊ,�绰:(022)27404701,E-mail:hanzhenwei@tju.edu.cn��     Email: hanzhenwei@tju.edu.cn
About author: ����Ϊ(1964-),��,���о�Ա,��Ҫ�о�����Ϊ�������ʷ��롢����
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����Ϊ, ��ͮ, ����÷.�Ҵ��������������״���ˮ�Ĺ��о���ģ��[J].  ��ѧ��ҵ�빤��, 2015,32(2): 69-73
Han Zhenwei, Liu Tong, Fan Yongmei.Simulation of Azeotropic Distillation of Ethanol, 1,4-Dioxane, Methanol and Water[J].  Chemcial Industry and Engineering, 2015,32(2): 69-73
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