Journal of South China University of Technology (Natural Science Edition) ›› 2007, Vol. 35 ›› Issue (4): 1-5.

• Chemistry & Chemical Engineering •     Next Articles

Recovery of β-Cyclodextrin and Quick Quantitative Determination of Organic Compounds from Aqueous System

Ji Hong-bing  Shi Dong-po  Hu Xiao-fang  Pei Li-xia  Li Zhong   

  1. School of Chemical and Energy Engineering , South China Univ. of Tech. , Guangzhou 510640 , Guangdong , China
  • Received:2006-03-16 Online:2007-04-25 Published:2007-04-25
  • Contact: 纪红兵(1970-)，男，教授，主要从事绿色化学化工与催化方面的研究. E-mail:cehbji@scut. edu.cn
  • About author:纪红兵(1970-)，男，教授，主要从事绿色化学化工与催化方面的研究.
  • Supported by:

    国家自然科学基金资助项目(20576045) ;新世纪优秀人才支持计划资助项目

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Abstract:

The recovery of β-cyclodextrin from an aqueous reaction system was carried out by means of solvent ex-traction. It is found that (1) there exists an inclusion complex of β-cyclodextrin with organic compounds in the re-action system; (2) the recoveηof β-cyclodextrin is greatly influenced by the variety of organic solvents and the composition of the mixed solvents , reaching 95% when the ratio of acetone to water is 2: 1 ( volume ratio) ; (3) the extraction is significantly affected by the variety of organic solvents; and (4) in the aqueous β-cyclodextrin solution containing benzyl alcohol and benzaldehyde , ethyl acetate is a good choice to the quick quantitive determination of benzyl alcohol or benzaldehyde , with an extraction of more than 99%.

Key words: β-clodextrin, recovery, quantitative detennination, inclusion