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��ѧ��ҵ�빤�� 2006, Vol. 23 Issue (2) :142-146    DOI:
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Reclaim Process of Acetic Acid in Waste Water of Furfural Production
ZHANG Xiao-hui,LIU Jia-qi,JIA Yan-lei,CHEN Ya-ping(Key Laboratory for Green Chemical Technology,School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China)
(Key Laboratory for Green Chemical Technology,School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China
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Abstract�� Complexation extraction was used to treat the acetic acid in waste water of furfural production.The extraction efficiency can arrive at 97%��99%.The reclaim process of acetic acid was implemented by using impulse filling extraction column and a certain extraction solvent.The liquidliquid equilibrium data of the system is determined.The experiment investigated a good many factors that can affect the extraction efficiency.The acetic acid is refined by vacuum distillation and azeotropic distillation.The distillate efficiency of acetic acid in liquid extract can nearly reach 100%,and the dewatering effect is good.The qualified acetic acid in technical grade can be obtained.
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Received 2006-03-15; published 2006-03-15
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������;������;������;����Ƽ;.��ȩ��ˮ�еĴ�����չ���[J].  ��ѧ��ҵ�빤��, 2006,23(2): 142-146
ZHANG Xiao-hui,LIU Jia-qi,JIA Yan-lei,CHEN Ya-ping.Reclaim Process of Acetic Acid in Waste Water of Furfural Production[J].  Chemcial Industry and Engineering, 2006,23(2): 142-146
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