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author:

Yang, J. (Yang, J..) [1] | Chen, Y. (Chen, Y..) [2] | Yu, M. (Yu, M..) [3] | Qiu, T. (Qiu, T..) [4]

Indexed by:

Scopus PKU CSCD

Abstract:

The adsorption of Ni(II) in aqueous solution with ion exchange resins was investigated, and 001×14.5 strong acidic cation ion exchange resin showed the maximum capacity by the resin selection experiment. The adsorption properties of the selected 001×14.5 resin for Ni(II) were studied by static experiments. The results indicated that the influence of external diffusion was eliminated when stirring speed was over 100 r/min, and the best pH value was 7, and that the percent removal of Ni(II) increased as the consumption of resin. The adsorption behavior of 001×14.5 for Ni(II), which was the favourable adsorption, conformed the Langmuir isotherm equation well. The adsorption process corresponded with pseudo-second-order kinetic model, the activation energy was 30.9 kJ/mol, and the kinetics experiments showed that intrapartical diffusion was the main rate-controlling step. The desorption efficiency of resin to Ni(II) could be over 98% with 1 mol/L sulfuric acid to regenerate the saturated resin.

Keyword:

Adsorption; Ion exchange resin; Kinetics; Ni(II); Thermodynamics

Community:

  • [ 1 ] [Yang, J.]Fuqing Branch, Fujian Normal University, Fuzhou 350300, China
  • [ 2 ] [Chen, Y.]Fuqing Branch, Fujian Normal University, Fuzhou 350300, China
  • [ 3 ] [Yu, M.]Fuqing Branch, Fujian Normal University, Fuzhou 350300, China
  • [ 4 ] [Qiu, T.]College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350108, China

Reprint 's Address:

  • [Yang, J.]Fuqing Branch, Fujian Normal University, Fuzhou 350300, China

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Source :

Chinese Journal of Environmental Engineering

ISSN: 1673-9108

CN: 11-5591/X

Year: 2013

Issue: 8

Volume: 7

Page: 3019-3024

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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