Source, Spatial Distribution and Pollution Assessment of

Source, Spatial Distribution and Pollution Assessment of Pb, Zn, Cu, and Pb, Isotopes in urban soils of Ahvaz City, a semiarid metropolis in southwest Iran Skip to main content Thank you for

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Source apportionment of heavy metals in urban road dust in

The distribution patterns of Cu, Zn, Sr showed higher values mainly located in the northern and eastern parts of the study area, which indicated heavy metals in polluted industry areas migrated easily to near road dust. Enrichment factors (EFs) indicated that Cd, Cu, Sr, Zn and Pb in the road dust of Nanchang presented enrichment to some extent.

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Bioaccessibility of As, Cu, Pb, and Zn in SpringerLink

Given the proximity of residential communities to these mining residues, we investigated samples of mine waste (n = 5), urban soil (n = 6), and road dust (n = 5) with a special focus on the solid speciation of As, Cu, Pb, and Zn using a combination of methods (XRD, SEM/EDS, oxalate extractions), as well as on in vitro bioaccessibility in

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Heavy metals from nonexhaust vehicle emissions in urban

Both types of road dust were especially contaminated with Zn, Cr, Cu, Pb, Fe, Ba, and Ti. On average, the dust collected from the urban area was 30 % more contaminated with Zn, Cu, Pb, and Fe than motorway dust. Motorway dust revealed Ti concentrations to be three times higher than those in urban dust.

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Heavy metal and Pb isotopic compositions of soil and maize

In this study, atmospheric dust, coal, vehicle exhaust particles, maize and corresponding soils were collected from a major agricultural area in Northeast China and analyzed for heavy metal (Cd, Hg, Pb, As, Cu, Zn, Ni, Cr) contents and Pb isotopic compositions.

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Retention of Cd, Cu, Pb and Zn by Wood Ash, Lime and Fume Dust

For the effect of pH, solutions containing 100 mg L 1 of Cd, Cu or Zn or 1500 mg L 1 of Pb were reacted with 15 g L 1 ash over a pH range of 4 to 7. The wood ash was effective in immobilizing the four metals with a sorption range of 41100 %. The amounts of metals retained by the ash followed the order of Pb > Cu > Cd > Zn.

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Immobilization of Zn, Cu, and Pb in contaminated soils

bilization of other metals (e.g., Cu, Zn, and Cd) [5,1517]. A single amendment may not be suitable for multiple metals and the treatment effectiveness depends on assessment methods [1820].For example, addition of P to a soil contaminated with Pb, Zn, and Cd reduced the bioavailable Pb, but increased plant Cd concentrations [19].

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RETENTION OF Cd, Cu, Pb AND Zn BY WOOD ASH, LIME AND

TETENTION OF Cd, Cu, Pb AND Zn BY WOOD ASH, LIME AND FUME DUST 303 Materials and Methods MATERIALS Wood ash and other industrial byproducts wood sludge and lime, and fume dust, were tested for their ability to sorb heavy metals in a preliminary study.

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