Movement of Heavy Metals Through Undisturbed and Homogenized Soil Columns

Camobreco, Vincent J.; Richards, Brian K.; Steenhuis, Tammo S.; Peverly, John H.; McBride, Murray B.

doi:10.1097/00010694-199611000-00003

Cited by 259 publications

(174 citation statements)

References 18 publications

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“…In Denmark Pb concentration of 100 000 g kg -1 6 has been reported. Pb quantities of 24 500, 54 000, and 10 620 g kg -1 have also been reported in Sweden 7 , Finland 8 and England 9 , respectively. It has been found that the large quantities of Pb found in the soil at the shooting ranges have direct relationship with the ease through which the Pb bullet can be transformed into species that can easily dissolve and diffuse into the environment.…”

Section: Introductionmentioning

confidence: 80%

Lead pollution of shooting range soils

et al. 2017

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Section: Introductionmentioning

confidence: 80%

Lead pollution of shooting range soils

et al. 2017

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“…Phenomena of diffusion and hydrodynamic dispersion will lead to a greater migration depth and a lower accumulation than that predicted from the mass-balance calculations. To an important extent, preferential flow, eventually in combination with organic complexation, can accelerate metal leaching through soils much above the extent expected from the binding capacity of soils (Camobreco et al, 1996). Metals moving in preferential flow paths as non-adsorptive metal/organic complexes may also exhibit a low potential for interaction and adsorption in the subsoil, thus facilitating mobility.…”

Section: Metal Migration In the Underlying Soilmentioning

confidence: 99%

“…Metals moving in preferential flow paths as non-adsorptive metal/organic complexes may also exhibit a low potential for interaction and adsorption in the subsoil, thus facilitating mobility. The lack of significant metal deposition in the subsoil may thus not be reliable evidence of immobility (Camobreco et al, 1996;Richards et al, 1998).…”

Section: Metal Migration In the Underlying Soilmentioning

confidence: 99%

Leaching behaviour of Cd, Cu, Pb and Zn in surface soils derived from dredged sediments

Singh

Verloo

1999

Environmental Pollution

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Leaching of heavy metals from land disposed dredged sediment spoils is a potential environmental hazard. The leaching behavior of Cd, Cu, Pb and Zn in surface soils sampled from abandoned dredged sediment disposal sites was assessed. Using simple mass-balance calculations, the significance of the leaching test results with respect to metal migration into underlying clean soil was appraised. The potential leachability, defined as the amounts released at constant pH 4, decreased in the order (% of total contents): Zn (58 %) ≈ Cd (49 %) > Cu (5 %) ≈ Pb (2 %). The kinetics of metal release were determined in a cascade shaking test using demineralized water acidified to pH 4 (HNO 3 ). Metal concentrations in the leachates were low and metal migration was, assuming uniform convective flow, predicted to be of no environmental concern. It is emphasized that any long term prediction of metal migration is uncertain.

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“…Furthermore, it is thought that metal speciation and ionic activity, rather than the total amount of a dissolved metal, determine plant metal uptake (Kasawneh, 1971). Changes in the dissolved organic carbon (DOC) concentration have a strong impact Chemosphere 50 (2003) [819][820][821][822] www.elsevier.com/locate/chemosphere on the solubility of Cu in soils, with Cu being more soluble at higher DOC levels (Camobreco et al, 1996). In this paper we describe a pot experiment in which the dynamics of pH and of the concentrations of TOC, Cu, Zn, Pb and Cd in the soil solution during plant growth were studied.…”

Section: Introductionmentioning

confidence: 99%

Effects of EDTA and low molecular weight organic acids on soil solution properties of a heavy metal polluted soil

et al. 2003

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A pot experiment was conducted to study the effects of EDTA and low molecular weight organic acids (LMWOA) on the pH, total organic carbon (TOC) and heavy metals in the soil solution in the rhizosphere of Brassica juncea grown in a paddy soil contaminated with Cu, Zn, Pb and Cd. The results show that EDTA and LMWOA have no effect on the soil solution pH. EDTA addition significantly increased the TOC concentrations in the soil solution. The TOC concentrations in treatments with EDTA were significantly higher than those in treatments with LMWOA. Adding 3 mmol kg À1 EDTA to the soil markedly increased the total concentrations of Cu, Zn, Pb and Cd in the soil solution. Compared to EDTA, LMWOA had a very small effect on the metal concentrations. Total concentrations in the soil solution followed the sequence: EDTA ) citric acid ðCAÞ % oxalic acid ðOAÞ % malic acid (MA) for Cu and Pb; EDTA ) MA ) CA % OA for Zn; and EDTA ) MA ) CA > OA for Cd. The labile concentrations of Cu, Zn, Pb and Cd showed similar trends to the total concentrations.

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Movement of Heavy Metals Through Undisturbed and Homogenized Soil Columns

Cited by 259 publications

References 18 publications

Lead pollution of shooting range soils

Lead pollution of shooting range soils

Leaching behaviour of Cd, Cu, Pb and Zn in surface soils derived from dredged sediments

Effects of EDTA and low molecular weight organic acids on soil solution properties of a heavy metal polluted soil

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