Incubation of air-pollution-control residues from secondary Pb smelter in deciduous and coniferous organic soil horizons: leachability of lead, cadmium and zinc
Language English Country Netherlands Media print-electronic
Document type Journal Article, Research Support, Non-U.S. Gov't
PubMed
22277334
DOI
10.1016/j.jhazmat.2011.12.072
PII: S0304-3894(12)00009-X
Knihovny.cz E-resources
- MeSH
- Cadmium isolation & purification MeSH
- Hydrogen-Ion Concentration MeSH
- Soil Pollutants isolation & purification MeSH
- Lead isolation & purification MeSH
- Trees chemistry MeSH
- Zinc isolation & purification MeSH
- Air Pollution * MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Names of Substances
- Cadmium MeSH
- Soil Pollutants MeSH
- Lead MeSH
- Zinc MeSH
The leachability of air-pollution-control (APC) residues from a secondary lead smelter in organic soil horizons (F and H) from a deciduous and a coniferous forest during incubation periods of 0, 3 and 6 months were compared in this work. While the concentration of Pb, Zn and Cd associated with the exchangeable/acid extractable fraction in the horizon F from the coniferous forest was higher compared to the deciduous, significantly lower concentrations in the humified horizon H was found. It is suggested that lower pH and a higher share of fulvic acids fraction (FAs) of solid phase soil organic matter (SOM) in the humified soil horizon H from the coniferous compared to the deciduous forest is responsible for a higher metal association with solid phase SOM and therefore a lower metal leaching in a soil system. From this point of view, the humified soil horizon H from the deciduous forest represents a soil system more vulnerable to Pb, Zn and Cd leaching from APC residues.
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