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Journal of the Serbian Chemical SocietyVolume 77, Issue 1, 2 February 2012, Pages 119-129

Leaching of chromium from chromium contaminated soil -a speciation study and geochemical modelling(Article)(Open Access)

  • Andjelković, D.H.,
  • Andjelković, T.D.,
  • Nikolić, R.S.,
  • Purenović, M.M.,
  • Blagojević, S.D.,
  • Bojić, A.L.J.,
  • Ristić, M.M.
  • View Correspondence (jump link)
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  • aWater Works Association Naissus, Kneginje Ljubice 1, 18000 Niš, Serbia
  • bFaculty of Sciences and Mathematics, University of Niš, Višegradska 33, 18000 Niš, Serbia
  • cFaculty of Agriculture, University of Belgrade, Nemanjina 16, 11081 Belgrade, Serbia

Abstract

The distribution of chromium between soil and leachate was monitored. The natural process of percolation of rainwater through soil was simulated under laboratory conditions and studied by column leaching extraction. Migration of chromium in soil is conditioned by the level of chromium soil contamination, the organic matter content in the soil and rainwater acidity. Chromium(III) and chromium(VI) were determined by a spectrophotometric method with diphenylcarbazide in acidic media. Comparing the results of chromium speciation in the leachate obtained by experimental model systems and geochemical modelling calculations using the Visual MINTEQ model, a correlation was observed regarding the influence of the tested parameters. Leachate solutions showed that the concentration of Cr depended on the organic matter content. The influences of pH and soil organic matter content were in compliance after their experimental and theoretical definition. The Stockholm humic model used to evaluate the leaching results corresponded rather well with the measured values. Copyright 2012 (CC) SCS.

Author keywords

Chromium Speciation Leaching Rainwater Soil organic content
  • ISSN: 03525139
  • CODEN: JSCSE
  • Source Type: Journal
  • Original language: English
  • DOI: 10.2298/JSC101216154A
  • Document Type: Article

  Andjelković, D.H.; Water Works Association Naissus, Kneginje Ljubice 1, Serbia;
© Copyright 2012 Elsevier B.V., All rights reserved.

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