Adsorption characteristics of Cu(II) onto ion exchange resins 252H and 1500H: Kinetics, isotherms and error analysis

Selvaraj Rengaraj, Jei W. Yeon, Younghun Kim, Yongju Jung, Yeong Keong Ha, Won H. Kim

Research output: Contribution to journalArticle

160 Citations (Scopus)

Abstract

The adsorption of Copper(II) onto Amberjet 1500H and Ambersep 252H synthetic ion exchange resins have been studied. All the studies were conducted by a batch method to determine equilibrium and kinetic studies at the solution pH of 5.8 in the concentration ranges from 10 to 20 mg/L. The experimental isotherm data were analyzed using the Freundlich, Langmuir, Redlich Perterson, Temkin, Dubinin-Radushkevich equations. Correlation co-efficient was determined for each isotherm analysis. Error functions have been used to determine the alternative single component parameters by non-linear regression due to the bias in using the correlation coefficient resulting from linearisation. From the error analysis the EABS error function provides the best parameters for the isotherm equation in this system. Adsorption kinetics data were tested using pseudo-first-order, pseudo-second-order and intraparticle diffusion models. Kinetic studies showed that the adsorption followed a pseudo-second-order reaction. The initial sorption rate, pseudo-first-order, pseudo-second-order and intraparticle diffusion rate constants for different initial concentrations were evaluated and discussed.

Original languageEnglish
Pages (from-to)469-477
Number of pages9
JournalJournal of Hazardous Materials
Volume143
Issue number1-2
DOIs
Publication statusPublished - May 8 2007

Fingerprint

Ion Exchange Resins
Ion exchange resins
error analysis
Error analysis
Adsorption
Isotherms
resin
ion exchange
isotherm
adsorption
kinetics
Kinetics
Synthetic resins
Linearization
Sorption
Copper
Rate constants
sorption
copper
parameter

Keywords

  • Adsorption
  • Copper(II)
  • Diffusion and kinetics
  • Error analysis
  • Ion exchange resins
  • Isotherms

ASJC Scopus subject areas

  • Chemical Health and Safety
  • Process Chemistry and Technology
  • Safety, Risk, Reliability and Quality
  • Environmental Engineering

Cite this

Adsorption characteristics of Cu(II) onto ion exchange resins 252H and 1500H : Kinetics, isotherms and error analysis. / Rengaraj, Selvaraj; Yeon, Jei W.; Kim, Younghun; Jung, Yongju; Ha, Yeong Keong; Kim, Won H.

In: Journal of Hazardous Materials, Vol. 143, No. 1-2, 08.05.2007, p. 469-477.

Research output: Contribution to journalArticle

Rengaraj, Selvaraj ; Yeon, Jei W. ; Kim, Younghun ; Jung, Yongju ; Ha, Yeong Keong ; Kim, Won H. / Adsorption characteristics of Cu(II) onto ion exchange resins 252H and 1500H : Kinetics, isotherms and error analysis. In: Journal of Hazardous Materials. 2007 ; Vol. 143, No. 1-2. pp. 469-477.
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