Recent Approach of Aqueous Two-Phase Extraction

化学工业与工程

Chemcial Industry and Engineering

2006, Vol. 23

Issue (5) :463-466 DOI:

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Recent Approach of Aqueous Two-Phase Extraction

XIE Hai(Chemistry and Biology Engineering Department,Panzhihua University,Sichuan Panzhihua 617000,China)

(Chemistry and Biology Engineering Department,Panzhihua University,Sichuan Panzhihua 617000,China

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Abstract Aqueous two-phase extraction(ATPE)was growing up with the application of the continuous operation technique in the conventional equipment controlled by computer recently.The features of the traditional aqueous two-phase systems(ATPS)and the novel ATPS,the basic principles of the phase separation,and some shortcomings in application are summarized.It is proposed that the new development of ATPS is to find the suitable compositions which have low cost,easy reusability and high selectivity to the preseparated components.The thermodynamical models of ATPS liquid equilibria,the correlation method of the partition coefficient,and some unresolved problems of the ATPE are discussed.To improve the selectivity and the separating efficiency are key to the practical study of ATPE.To analysis the effects on partition coefficient and to revise the thermodynamical models of liquid equilibria are necessary to theoretical study of ATPE.

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Received 2006-09-15; published 2006-09-15

Cite this article:

XIE Hai.Recent Approach of Aqueous Two-Phase Extraction[J] Chemcial Industry and Engineering, 2006,V23(5): 463-466

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