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  • Title: Adsorption of water-soluble dyes onto modified resin.
    Author: Yu Y, Zhuang YY, Wang ZH, Qiu MQ.
    Journal: Chemosphere; 2004 Jan; 54(3):425-30. PubMed ID: 14575756.
    Abstract:
    Adsorption behavior of five kinds of water-soluble dyes onto functionalized resin NKY has been dynamically and thermodynamically investigated. The results showed that the adsorption rates of dye K-GN, K-2BP, KN-R, AAB and 2G are all controlled by liquid film diffusion and particle diffusion. Equilibrium adsorption data can be well described by three-parameter equation. The first layer adsorption is the physical enhanced by chemical effect but multilayer adsorption is typically physical adsorption. Standard free energy change DeltaG(0) and standard entropy change DeltaS(0) indicate the adsorption of the dyes onto NKY can occur spontaneously.
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