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- W1617807657 abstract "[Objective] To screen out an optimal macroporous resin, and to study its adsorption and desorption properties to tannin extracted from FRUCTUS CHAENOMELIS, so as to obtain the optimal purification conditions for tannin. [Method] The optimal macroporous resin was screened out by static adsorption experiments. Single factor and orthogonal test were used to optimize the conditions for purifying tannin in the static and dynamic tests. [Result] Macroporous resin HPD-100 showed the highest adsorption capacity. The optimal adsorption conditions were: pH value of 5.0, static adsorption duration of 4 h, flow rate of dynamic adsorption of 2.0 BV/h and the maximum dynamic adsorption volume of 6.0 BV. Under the optimum conditions, the adsorption rate reached as high as 87.90%. The optimal static desorption conditions were as following: eluent pH value of 6.0, eluting duration of 6 h and concentration of eluent of 75%. The best dynamic desorption conditions were as follows: flow rate of 1.0 BV/h, the maximum desorption volume of 1.6 BV. Under the optimum conditions, the dynamic desorption rate was 62.40%. [Conclusion] Provided with good gathering effect to tannin extracted from FRUCTUS CHAENOMELIS, HPD-100 macroporous resin was favorable for the separation and purification of tannin." @default.
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- W1617807657 date "2011-01-01" @default.
- W1617807657 modified "2023-09-23" @default.
- W1617807657 title "Research on adsorption and desorption property of macroporous resin to tannin from FRUCTUS CHAENOMELIS." @default.
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