Comparison between availability of heavy metals in dry and wetland tailing of an abandoned copper tailing pond

Das, Manab; Maiti, Subodh Kumar

doi:10.1007/s10661-007-9769-0

Cited by 48 publications

(16 citation statements)

References 17 publications

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“…Next, soil was ground into powder in ball mill to a finer than 75 μ m sieve size for MTM determination. Physical parameters (pH and EC) were measured according to procedure adopted from Das and Maiti [18], while SOM adopted from Konen et al [19]. Accurately weighed 0.5 g oven dried soil was digested in Teflon beaker with a mixture of acids (HF + HCl) at 130–140°C for complete digestion.…”

Section: Methodsmentioning

confidence: 99%

Wild Plant Assessment for Heavy Metal Phytoremediation Potential along the Mafic and Ultramafic Terrain in Northern Pakistan

Muhammad

Shah

Khan

et al. 2013

BioMed Research International

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This study investigates the wild plant species for their phytoremediation potential of macro and trace metals (MTM). For this purpose, soil and wild plant species samples were collected along mafic and ultramafic terrain in the Jijal, Dubair, and Alpuri areas of Kohistan region, northern Pakistan. These samples were analyzed for the concentrations of MTM (Na, K, Ca, Mg, Fe, Mn, Pb, Zn, Cd, Cu, Cr, Ni, and Co) using atomic absorption spectrometer (AAS-PEA-700). Soil showed significant (P < .001) contamination level, while plants had greater variability in metal uptake from the contaminated sites. Plant species such as Selaginella jacquemontii, Rumex hastatus, and Plectranthus rugosus showed multifold enrichment factor (EF) of Fe, Mn, Cr, Ni, and Co as compared to background area. Results revealed that these wild plant species have the ability to uptake and accumulate higher metals concentration. Therefore, these plant species may be used for phytoremediation of metals contaminated soil. However, higher MTM concentrations in the wild plant species could cause environmental hazards in the study area, as selected metals (Fe, Mn, Cr, Ni, Co, and Pb) have toxicological concerns.

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Section: Methodsmentioning

confidence: 99%

Wild Plant Assessment for Heavy Metal Phytoremediation Potential along the Mafic and Ultramafic Terrain in Northern Pakistan

Muhammad

Shah

Khan

et al. 2013

BioMed Research International

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“…Das and Maiti [39] reported that EDTA forms water soluble, stable chelated compounds with different metals. EDTA proceeds through a complexing action, solubilizing metals occluded in the carbonates that constitute geochemical matrices.…”

Section: Determination Of Metals In Estuarine Sediments: Comparison Omentioning

confidence: 99%

Ionic liquid mediated extraction, assisted by ultrasound energy, of available/mobilizable metals from sediment samples

Alvarez

Llamas

Lista

et al. 2017

Ultrasonics Sonochemistry

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A new extraction method for metals from sediment samples was developed. In this procedure, the chelating agent EDTA was combined with a minimal amount of the ionic liquid 1-butyl-3-methylimidazolium tetrafluoroborate (Bmim[BF]), assisted by ultrasound energy. The available analytes -Cd, Cr, Cu, Ni, Pb and Zn- were extracted under optimal conditions for a 12.5 ratio (extractant volume/sample mass) with 0.005molL EDTA solution, 0.1molL NaHCO, 5.0mmolL Bmim[BF] and 7.0min of sonication time, using an ultrasonic bath (output power of 160W). The best extractions were obtained with 100W (power dissipated in the liquid). These conditions were obtained applying the univariate method. It is important to highlight that the conventional method (extraction with 0.05molL EDTA solution only) consumes 6h to extract available metals from sediment samples selectively, and with the proposed procedure the extraction time is noticeable reduced to 7.0min. Extractable metal concentrations obtained were measured by flame atomic absorption spectrometry. The results showed good agreement with those obtained by the conventional method using a Student's paired t-test.

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“…The pH and electrical conductivity (EC) of the collected samples were 4.14 and 0.29 dS m -1 , respectively, with low organic carbon and low available N, P, and K content. The continuous oxidation of pyrite waste was responsible for acidic nature of tailing (Das and Maiti 2008). Along with total concentration of Cu, water extractable and exchangeable forms of Cu were also determined.…”

Section: Chemical Properties Of Tailingmentioning

confidence: 99%

Cu-resistant Kocuria sp. CRB15: a potential PGPR isolated from the dry tailing of Rakha copper mine

2017

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Rhizobacteria may enhance biomass production and heavy metal tolerance of plants under stress conditions. The present study was carried out for isolation of metalresistant bacteria that can be further utilized for phytoremediation process. A potential metal-resistant strain CRB15 was isolated from rhizospheric region of Saccharum spontaneum that was found to be resistant against Cu (6.29 mM), Zn (3.25 mM), Pb (1.5 mM), Ni (1.25 mM), and Cd (0.25 mM). SEM analysis was performed for evaluation of morphological changes on bacterial isolate. FTIR analysis observed the change in wavenumbers after the addition of Cu. 16S rDNA sequence analysis showed that CRB15 isolate matched best with genus of Kocuria and was named as Kocuria sp. CRB15. The isolate Kocuria sp. CRB15 was a potential plant growth-promoting rhizobacterium as it had a high IAA (46 lg ml -1 ), P solubilisation (39.37 lg ml -1 ), ammonia production (30.46 lmol ml -1 ), and hydrogen cyanide production capacity. Root-shoot elongation assay conducted on Brassica nigra under lab conditions with strain CRB15 demonstrated positive effects of strain CRB15 in root and shoot elongation of Cu-treated seedlings. This study proved the Kocuria sp. CRB15 a potential PGPR for bacterialassisted phytoremediation.

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Comparison between availability of heavy metals in dry and wetland tailing of an abandoned copper tailing pond

Cited by 48 publications

References 17 publications

Wild Plant Assessment for Heavy Metal Phytoremediation Potential along the Mafic and Ultramafic Terrain in Northern Pakistan

Wild Plant Assessment for Heavy Metal Phytoremediation Potential along the Mafic and Ultramafic Terrain in Northern Pakistan

Ionic liquid mediated extraction, assisted by ultrasound energy, of available/mobilizable metals from sediment samples

Cu-resistant Kocuria sp. CRB15: a potential PGPR isolated from the dry tailing of Rakha copper mine

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