Exposure assessment of heavy metals on abandoned metal mine areas by ingestion of soil, crop plant and groundwater

Lee, J.-S.; Chon, Hyo‐Taek

doi:10.1051/jp4:20030411

Cited by 19 publications

(10 citation statements)

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“…As these areas are hardly covered by green plants, wind erosion and washout of the toxicants has led to environmental concerns about inhalation, groundwater pollution, and transfer to adjacent arable soils (Ahn, Kim, Kim, Song, & Moon, 2003;Chon, Ahn, & Jung, 1998, 2005Lee & Chon, 2003). Remediation strategies either target on fixation of the contaminants in the solid in order to prevent the soil to plant transfer, or to promote the phytoextraction to accumulator plants, which will be ashed to yield soluble and utilizable compounds.…”

Section: Introductionmentioning

confidence: 99%

The Effect of Soil Bacteria and Perlite on Plant Growth and Soil Properties in Metal Contaminated Samples

Sager

Park

Chon

2006

Water Air Soil Pollut

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In order to achieve remediation of contaminated substrates, phyto-extraction in pot experiments utilizing lettuce seedlings as universal accumulator plants was investigated. As test substrates, mine tailings from Shiheung and Okdong mines in Korea (particularly high in Pb, Zn, Cu, and Cd), as well as samples from historic mining site at Oberzeiring in Austria (particularly high in Pb, Sb and As) were used, and compared with adjacent farmland soils. After 21 days of growth in the test substrate, the lettuce plants were harvested, and the adjacent soils parted in bulk and root soils. Special soil bacteria, adapted to high Cd levels (Exiguobacter sp.) and capable of adsorbing large amounts of cadmium from solution, as well as perlite (Samson Perlite Inc.) were added to the test substrates before plant growth. Speciation changes in the solids were investigated by sequential leaching, utilizing neutral MgCl 2 (exchangeable), 0.16 M acetic acid, hydroxylamine pH 2, oxalate pH 3, H 2 O 2 oxidation, and reflux with aqua regia. Plant growth induced differentiation between root and bulk soils, the differences were more pronounced for the non-contaminated controls. The iron-hydroxide phase increased about 30%, and also the amount of iron-hydroxide bound Be, Cd, Co, Cu, Mg, Mo, Sb and V concentrations, coming mainly from less mobile fractions. The Mn hydroxide phase, however (hydroxylamine), remained rather constant. After plant growth, the root soils were significantly lower in available P, and significantly higher in available Ca, Mn, and Na than the corresponding bulk soils. Addition of Cd-adapted soil bacteria led to a severe decrease of plant yield, but metal uptake changed in both directions. Exchangeable P in both root and bulk soil decreased, and Be, Co, Cr, Fe, K, Li, Mg, Mn, Ni, and Sr in the residual organic fraction increased. This can be interpreted as competition for nutrients, dissolution of residuals by bacterial action, and adsorption to a tightly bound biomass. Addition of perlite hardly affected the plant yield, and again metal uptake changed in both directions, but led to a decrease of siderophilic elements in the Fe-and Mn hydroxides of the bulk soil. In the root soil, perlite addition above all decreased available K, P and As, with respect to the untreated samples. Bacteria addition to perlite treated soils shifted some Water Air Soil Pollut (2007) 179:265-281

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Section: Introductionmentioning

confidence: 99%

The Effect of Soil Bacteria and Perlite on Plant Growth and Soil Properties in Metal Contaminated Samples

Sager

Park

Chon

2006

Water Air Soil Pollut

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“…A recent study addressed the toxic risk of being toxic of metals from metalliferous mines (Lee and Chon 2003). In order to restore the productivity of metal contaminated soils, the bioavailability of metals in this soil is defined as the fraction accessible to the food chain and to the plants used for phytoremediation.…”

Section: Introductionmentioning

confidence: 99%

Effects of soil amendments on the bioavailability of heavy metals from zinc mine tailings

Misra

Tiwari

Shukla

et al. 2008

Environ Monit Assess

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A study was conducted to test the effects of soil amendments on the bioavailability of heavy metals in a zinc mine tailings containing soil to plants, using the Indian mustard plant (Brassica juncea) as a test organism. Zinc mine tailing containing soil was amended with humus soil (HS) and phosphatic clay (PC). The zinc mine tailing containing soil (ZMTS) was characterized for heavy metals. It was mixed with PC and HS, and four mixtures were prepared. The first mixture contained ZMTS, and served as a control. The second mixture contained ZMTS and PC in the ratio of 1:1 (w/w). The third mixture contained ZMTS and HS in the ratio of 1:1(w/w). The fourth mixture containing ZMTS, PC and HS in the ratio of (2:1:1) (w/w). A slight increase in the bioavailability of Pb, Cu, Zn and Mn was noticed with increase in the incubation time from 14 to 42 days. The bioavailability of Pb, Cu, Zn and Mn from ZMTS alone in Brassica plant was in the range of 94-99% up to 42 days. Addition of PC and HS to the ZMTS soil reduced the bioavailabilities of Pb by (15%), of Cu by (20%), of Zn by (20%) and of Mn by (25%) in the mustard plant. The data showed that PC in the presence of HS had a high affinity for the heavy metals in the order of Pb, Cu, Zn and Mn.

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“…For Pb, Keeling and Werren (2005) reported concentrations of this element vary from 30 to 12,000 mg kg −1 in a mining region in Australia. Lee and Chon (2003) reported that Au-Ag mining of Dongil and Okdong in Korea contains 5,850 and 1,590 mg kg −1 of Pb, respectively. In addition, MatheGaspar and Anton (2005) found Pb values that exceed 1,000 mg kg −1 in tailings of Gyöngyösoroszi in Hungary.…”

Section: Soil Metal Concentrationmentioning

confidence: 99%

Uptake and fixation of Zn, Pb, and Cd by Thlaspi caerulescens: application in the cases of old mines of Mibladen and Zaida (West of Morocco)

et al. 2008

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Contaminated soils and mine tailings pose major environmental and agricultural problems worldwide. These problems may be partially solved by an emerging new technology: phytoremediation. This technique uses plants to extract soil contaminants from the ground. Thlaspi caerulescens is known to accumulate in their tissues several heavy metals from soil and aerial deposition. This study was conducted to screen plants growing on a contaminated site to determine their potential for metal accumulation. Seeds of T. caerulescens metallicolous have been collected in the vicinity of F.T. Laurent le Minier in the Pb-Zn mining district of les Malines (North of Montpellier, Southern France), and seeds of T. caerulescens nonmetallicolous were sampled on Larzac Plateau (North of Montpellier, Southern France). Soil substrates were collected from a mine site of Mibladen and Zaida (West, Morroco). Cultivated plant and surface soil samples were analyzed for zinc, lead, and cadmium concentrations by inductively coupled plasma mass spectrometry. A non-metallicolous (NM) ecotype of T. caerulescens and a metallicolous (M) ecotype are compared for Pb, Cd, and Zn accumulation in shoot and root in five metal-contaminated soils and one uncontaminated soil. The growth of individuals from uncontaminated soil was greater than that of individuals from metal-contaminated soils. The NM populations had markedly higher root/shoot ratio compared to M populations. The results indicate that both ecotypes of T.caerulescens are highly tolerant of zinc and Cd. Ecotype NM had constitutively higher Zn uptake capacity than the M ecotype. T. caerulescens species accumulate higher amount of Zn and Cd in their tissues in polluted soil and, in both of the two ecotypes, the root Pb concentrations were much greater than those of the shoot Pb contents. From both uncontaminated and metal-contaminated soils, we conclude that T. caerulescens are interesting material for phytoremediation of zinc and cadmium.

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Exposure assessment of heavy metals on abandoned metal mine areas by ingestion of soil, crop plant and groundwater

Cited by 19 publications

References 0 publications

The Effect of Soil Bacteria and Perlite on Plant Growth and Soil Properties in Metal Contaminated Samples

The Effect of Soil Bacteria and Perlite on Plant Growth and Soil Properties in Metal Contaminated Samples

Effects of soil amendments on the bioavailability of heavy metals from zinc mine tailings

Uptake and fixation of Zn, Pb, and Cd by Thlaspi caerulescens: application in the cases of old mines of Mibladen and Zaida (West of Morocco)

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