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author:

Yang, Jinbei (Yang, Jinbei.) [1] | Yu, Meiqiong (Yu, Meiqiong.) [2] | Qiu, Ting (Qiu, Ting.) [3]

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EI

Abstract:

Series of resin selection experiments were carried out and the KIP210 strong base anion exchange resin was confirmed to have the maximum equilibrium adsorption capacity to remove Cr(VI) from wastewater. The adsorption thermodynamics and kinetics of Cr(VI) on KIP210 resin were investigated completely and systematically. The static experiments were performed to study the effects of various parameters, such as shaking speed, resin dosage and pH during the adsorption process. The results indicate that the effect of external diffusion is eliminated at 160rpm, the best pH value is 3.0 and the removal percentage of Cr(VI) increases with the increase of the resin dosage. The adsorption of Cr(VI) on KIP210 agrees well with the Langmuir isotherm and the adsorption parameters of thermodynamics are δH=26.5kJmol-1, δS=126.7Jmol-1K-1 and δG-1. The kinetic analysis showed that the adsorption rate is controlled by intraparticle diffusion. The resin is successfully regenerated using the NaOH solutions. © 2013 The Korean Society of Industrial and Engineering Chemistry.

Keyword:

Activation energy Adsorption Chromium compounds Dyes Enzyme kinetics Ion exchange Ion exchange resins Isotherms Kinetics pH effects Physisorption Sodium hydroxide Thermodynamics

Community:

  • [ 1 ] [Yang, Jinbei]Department of Biological and Chemical Engineering, Fuqing Branch of Fujian Normal University, Fuzhou 350300, Fujian, China
  • [ 2 ] [Yang, Jinbei]College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350108, Fujian, China
  • [ 3 ] [Yu, Meiqiong]Department of Biological and Chemical Engineering, Fuqing Branch of Fujian Normal University, Fuzhou 350300, Fujian, China
  • [ 4 ] [Qiu, Ting]College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350108, Fujian, China

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Source :

Journal of Industrial and Engineering Chemistry

ISSN: 1226-086X

Year: 2014

Issue: 2

Volume: 20

Page: 480-486

3 . 5 1 2

JCR@2014

5 . 9 0 0

JCR@2023

ESI HC Threshold:268

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 110

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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