PMID: 15382869Sep 24, 2004Paper

Leaching of heavy metals from contaminated soils: an experimental and modeling study

Environmental Science & Technology
Joris J DijkstraRob N J Comans

Abstract

In this paper, we characterize the leaching of heavy metals (Ni, Cu, Zn, Cd, and Pb) from eight contaminated soils over a wide range of pH (pH 0.4-12) using an original approach based on batch pH-static leaching experiments in combination with selective chemical extractions and geochemical modeling. The leached concentrations of the heavy metals are generally much lower than the total concentrations and show a strong pH dependency, resulting in "V-shaped" leaching curves with orders of magnitude changes in solution concentrations. The "multisurface" model used incorporates adsorption to dissolved and solid organic matter (NICA-Donnan), iron/aluminum (hydr)oxide (generalized two-layer model) and clay (Donnan model). These models were applied without modifications, and only the standard set of binding constants and parameters was used (i.e., without any fitting). The model predictions of heavy metal leaching are generally adequate and sometimes excellent. Results from speciation calculations are consistent with the well-recognized importance of organic matter as the dominant reactive solid phase in soils. The observed differences between soils with respect to element speciation in the solid phase correspond to the relative amount...Continue Reading

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Jul 3, 2002·Waste Management·Joris J DijkstraRob N J Comans
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Citations

Mar 23, 2011·Environmental Geochemistry and Health·J SpijkerL Posthuma
Feb 16, 2013·Environmental Science and Pollution Research International·Werner KördelHeinz Rüdel
Sep 11, 2013·Environmental Science and Pollution Research International·Jelena MilinovicAnna Rigol
Apr 17, 2013·Environmental Science & Technology·Nimrat K SandhuKelsey Coolahan
Mar 1, 2013·Environmental Science & Technology·Mikołaj OwsianiakMichael Z Hauschild
Jun 12, 2013·Environmental Science & Technology·Yanshan Cui, Liping Weng
Sep 18, 2013·Environmental Science & Technology·Juan XiongLiPing Weng
Feb 6, 2008·International Journal of Phytoremediation·J JapengaP F A M Römkens
Aug 23, 2012·International Journal of Phytoremediation·L TrakalO Drábek
Apr 20, 2014·Environmental Science & Technology·Andreas DuffnerSjoerd E A T M van der Zee
Feb 11, 2015·The Science of the Total Environment·Roel J W MeulepasPiet N L Lens
Apr 23, 2013·Waste Management·Hans OonkHans Woelders
Dec 19, 2012·Journal of Hazardous Materials·A Fuente-CuestaM R Martínez-Tarazona
Apr 13, 2010·Journal of Hazardous Materials·Yu-Yang LongWen-Jing Lu
Jul 7, 2009·Waste Management·Peter Grathwohl, Bernd Susset
May 26, 2009·Journal of Hazardous Materials·Wei-yu ShiSheng Du
Apr 7, 2009·The Science of the Total Environment·Yu-Yang LongDong-Sheng Shen
Jan 24, 2009·The Science of the Total Environment·Gabrijel OndrasekZovko Monika
Jan 3, 2009·Bioresource Technology·Yu-Yang LongDong-Sheng Shen
Jun 28, 2008·Journal of Hazardous Materials·Jiri HyksThomas H Christensen
Apr 27, 2007·Chemosphere·Zhenqing ShiSteve Lofts
Feb 28, 2007·Journal of Hazardous Materials·Ignacio Fernández-OlmoAngel Irabien
Apr 7, 2015·Environmental Geochemistry and Health·Rog-Young KimKwon-Rae Kim
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Aug 26, 2011·Environmental Pollution·W de VriesJ E Groenenberg
Mar 16, 2007·Environmental Pollution·Jan MertensKris Verheyen

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