Studies on adsorptive removal of Co(II), Cr(III) and Ni(II) by IRN77 cation-exchange resin

S. Rengaraj, Kyeong Ho Yeon, So Young Kang, Jong Un Lee, Kyung Woong Kim, Seung Hyeon Moon

Research output: Contribution to journalArticle

157 Citations (Scopus)

Abstract

The adsorption of cobalt, chromium and nickel from aqueous solutions on IRN77 cation-exchange resin has been studied comparatively. The percentage removal of cobalt, chromium and nickel was examined by varying experimental conditions, viz. dosage of adsorbent, pH of the solution and contact time. It was found that more than 95% removal was achieved under optimal conditions. The adsorption capacity (k) for cobalt, chromium and nickel were calculated from the Freundlich adsorption isotherm. The adsorption of cobalt, chromium and nickel on this cation-exchange resin followed the Lagergren kinetic model. Also the competitive adsorption of multi-metals onto the IRN77 resin was studied. The studies showed that this cation-exchange resin can be used as an efficient adsorbent material for the removal of cobalt, chromium and nickel from water and nuclear power plant coolant water.

Original languageEnglish
Pages (from-to)185-198
Number of pages14
JournalJournal of Hazardous Materials
Volume92
Issue number2
DOIs
Publication statusPublished - May 27 2002

Fingerprint

Cation Exchange Resins
Chromium
Cobalt
Nickel
cobalt
Adsorption
chromium
resin
ion exchange
Ion exchange
nickel
Resins
Positive ions
adsorption
Adsorbents
Nuclear Power Plants
Water power
Water
nuclear power plant
Adsorption isotherms

Keywords

  • Adsorption
  • Chromium
  • Cobalt
  • Ion-exchange resin
  • Isotherm
  • Kinetics
  • Nickel
  • Wastewater

ASJC Scopus subject areas

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

Cite this

Studies on adsorptive removal of Co(II), Cr(III) and Ni(II) by IRN77 cation-exchange resin. / Rengaraj, S.; Yeon, Kyeong Ho; Kang, So Young; Lee, Jong Un; Kim, Kyung Woong; Moon, Seung Hyeon.

In: Journal of Hazardous Materials, Vol. 92, No. 2, 27.05.2002, p. 185-198.

Research output: Contribution to journalArticle

Rengaraj, S. ; Yeon, Kyeong Ho ; Kang, So Young ; Lee, Jong Un ; Kim, Kyung Woong ; Moon, Seung Hyeon. / Studies on adsorptive removal of Co(II), Cr(III) and Ni(II) by IRN77 cation-exchange resin. In: Journal of Hazardous Materials. 2002 ; Vol. 92, No. 2. pp. 185-198.
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