EQUILIBRIUM AND KINETIC ADSORPTION OF A REACTIVE BLACK KNB DYE ON POLYDIVINYLBENZENE AND STYRENE-DIVINYLBENZENE COPOLYMER RESINS

Yu-ping Qiu; Fang Ling; Hai-yan Cheng; Hua-hong Shi; Min-sheng Huang and Liu He College of Biological and Environmental Engineering; Zhejiang University of Technology; Hangzhou 310032; China Department of Environmental Science and Technology; East China Normal University; Shanghai 200062; China State Key Laboratory of Pollution Control and Resources Reuse; School of Environmental Science and Engineering; Tongji University; Shanghai 200092; China

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EQUILIBRIUM AND KINETIC ADSORPTION OF A REACTIVE BLACK KNB DYE ON POLYDIVINYLBENZENE AND STYRENE-DIVINYLBENZENE COPOLYMER RESINS

Note | Updated：2021-06-21

- EQUILIBRIUM AND KINETIC ADSORPTION OF A REACTIVE BLACK KNB DYE ON POLYDIVINYLBENZENE AND STYRENE-DIVINYLBENZENE COPOLYMER RESINS
- Issue 2, Pages: 163-170(2007)
- Affiliations：
- Author bio：
- Funds：
  
  This work was financially support by the State Key Laboratory of Pollution Control and Resources Reuse, China （Tongji University, Grant PCRRF 05003）.()
- DOI：
  CLC： O631.3
- Published：2007
- Accepted：
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[1].EQUILIBRIUM AND KINETIC ADSORPTION OF A REACTIVE BLACK KNB DYE ON POLYDIVINYLBENZENE AND STYRENE-DIVINYLBENZENE COPOLYMER RESINS[J].Chinese Journal of Polymer Science,2007(02):163-170.

Yu-ping Qiu, Fang Ling, Hai-yan Cheng, et al. EQUILIBRIUM AND KINETIC ADSORPTION OF A REACTIVE BLACK KNB DYE ON POLYDIVINYLBENZENE AND STYRENE-DIVINYLBENZENE COPOLYMER RESINS[J]. 2007, (2): 163-170.
[1].EQUILIBRIUM AND KINETIC ADSORPTION OF A REACTIVE BLACK KNB DYE ON POLYDIVINYLBENZENE AND STYRENE-DIVINYLBENZENE COPOLYMER RESINS[J].Chinese Journal of Polymer Science,2007(02):163-170. DOI：

Yu-ping Qiu, Fang Ling, Hai-yan Cheng, et al. EQUILIBRIUM AND KINETIC ADSORPTION OF A REACTIVE BLACK KNB DYE ON POLYDIVINYLBENZENE AND STYRENE-DIVINYLBENZENE COPOLYMER RESINS[J]. 2007, (2): 163-170. DOI：

摘要

<正>In this study

two polymeric resins with different pore sizes were synthesized to study comparative adsorption of reactive black KNB dye. Styrene-divinylbenzene copolymer resin NG-8 has an average pore size of 3.82 nm

about half of that of polydivinylbenzene resin NG-7 （6.90 nm）. NG-8 also has a surface acidity about 4 times that of NG-7

resulting in a much more negative surface of the former resin as compared to the latter at pH 6.05. Equilibrium adsorption of KNB was significantly influenced by the surface functionality of the resins

as evidenced by the observations that NG-8 adsorbed constantly less KNB than NG-7 and that the presence of CaCl2 enhanced the adsorption by both resins. The intra-particle diffusion appears to be the primary rate-limiting process. While the pores of both resins are accessible to KNB

the slower adsorption by NG-8 than by NG-7 suggests that the smaller pores of NG-8 further retard the intra-particle diffusion of KNB.

Abstract

In this study

about half of that of polydivinylbenzene resin NG-7 （6.90 nm）. NG-8 also has a surface acidity about 4 times that of NG-7

the slower adsorption by NG-8 than by NG-7 suggests that the smaller pores of NG-8 further retard the intra-particle diffusion of KNB.

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