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化学工业与工程
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��ѧ��ҵ�빤�� 2001, Vol. 18 Issue (4) :215-220    DOI:
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Extractive Distillation and its Development
CUI Xian\|bao,YANG Zhi\|cai,FENG Tian\|yang (School of Chemical Engineering,Tianjin University,Tianjin 300072,China)
(School of Chemical Engineering,Tianjin University,Tianjin 300072,China

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Abstract�� Extractive distillation is a well\|known technique for separating azeotropes and mixtures of componets having close boiling point.Extractive distillation includes continuous distillation and batch extractive distillation.The batch extractive distillation is a new technique developed recently.The selection of solvent for extractive distillation is the key aspect for the extractive distillation process.In the past time,the solvent used for extractive distillation is single solvent.However,in recent years,the mixed solvent is studied and used because of its good features.
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Received 2001-07-15; published 2001-07-15
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���ֱ�,��־��,������.��ȡ���󼰽�չ[J].  ��ѧ��ҵ�빤��, 2001,18(4): 215-220
CUI Xian\|bao,YANG Zhi\|cai,FENG Tian\|yang .Extractive Distillation and its Development[J].  Chemcial Industry and Engineering, 2001,18(4): 215-220
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