Citation:
LIU Chun-Ping, GUO Zhen-Liang, SUN Lin, LÜ Ju-Bo, NI Xun-Wei. Adsorption and Kinetics of Water-soluble Amino-novolac Templated Resin for Dyes[J]. Chinese Journal of Applied Chemistry,
;2005, 22(9): 1012-1016.
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The Adsorption capability of a novel amino-novolac copper templated resin(F44-34-M) for water-soluble dyes such as Acid Orange Ⅱ,Reactive Red Y-3B and Directed Sky Blue 5B were studied.The effects of pH value,temperature,time and the concentration of the dyes on the adsorption of the resin for the dyes were also studied.The results show that the adsorption capacities of the templated resin for the dyes are stronger than those of the non-templated resin.The adsorption fits the theory of liquid membrane diffusion by Boyd.The adsorption velocity of the resin for the dyes is fast and the apparent velocity constants should be between 0.012~0.042 min-1.The adsorption can be described by the Langmuir and Freundlich equations and the adsorption processes for the dyes are exothermic.Decolorization rate of the resin for simulated waste-water dyes exceeds 92%.
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Keywords:
- templated resin,
- adsorption capacity,
- adsorption kinetics,
- dye
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