Determination of Pollution and Heavy Metal
Fractions in Golden Horn Sediment Sludge
(Istanbul, Turkey)

Kanat, Gurdal; Ikizoglu, Bahar; Ergüven, Gökhan Önder; Akgun, Berivan

doi:10.15244/pjoes/80805

Cited by 18 publications

(7 citation statements)

References 10 publications

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“…The bacterial strain was inoculated into rhizosphere of plant Sedum plumbizincicola and Brassica napus which resulted in mobilization of high concentration of heavy metals from soils (Ma et al 2015 ). Another study carried out by (Kanat et al 2018 ) showed control and preventive measures of heavy metals contamination. Similarly heavy metal (Ni, Cr, and Cd) was removed by combination of Brassica juncea and three bacterial strains Pseudomonas aeruginosa KP717554, Alcaligenes feacalis KP717561, and Bacillus subtilis KP717559.…”

Section: Enhanced Removal Of Excess Nutrients/pollutants In Terrestrial Environmentmentioning

confidence: 99%

Enhanced remediation of pollutants by microorganisms–plant combination

Supreeth

2021

Int. J. Environ. Sci. Technol.

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The pollutants have become ubiquitous in the total environment (water, soil and air) due to human activities and they are hazardous to all forms of life on the earth. This problem has made scientists focus on mitigating or complete reduction in pollutants by several means. Microorganism and plants are known to scavenge pollutants. Both are studied enormously in reducing, refining, and removing pollutants from the environment successfully. But, their slow process for removal is disadvantage. However, according to recent advancements in the abatement of pollutants, a combined system of both microorganisms and plant has shown to enhance the remediation of pollutants to an efficient level. In a nutrient-depleted pollutant-rich environment, when suitable plant and microorganisms are introduced, the plant interacts with the rhizosphere and root associate with microorganisms to survive in toxic conditions. The chemicals released by plants signal the microorganisms for interactions. This interaction leads in higher germination efficiency and enhanced root elongation which results in enhanced degradation of pollutants in both rhizosphere and phyllosphere. In this background, the current review article provides an overview of the recent advancement in microorganisms plant combined systems in enhanced removal of several recalcitrant pollutants. The conclusion highlights the challenges and future perspectives in this area of research.

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Section: Enhanced Removal Of Excess Nutrients/pollutants In Terrestrial Environmentmentioning

confidence: 99%

Enhanced remediation of pollutants by microorganisms–plant combination

Supreeth

2021

Int. J. Environ. Sci. Technol.

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“…Soil is one of the most valuable non-renewable resources, which at the same time remains among the most severely threatened elements of the natural environment [1]. Soil is also a major source of heavy metals emitted from industrial activities: municipal sewage sludge [2], urban fertilization, road traffic, air sediments and chemicals used in agriculture (phosphate fertilizers and pesticides) have spread to the environment [3]. Heavy metals emitted from stationary and mobile sources can be transported to water, air and soil [4][5], and can even enter plants, animals and human bodies [5][6].…”

Section: Introductionmentioning

confidence: 99%

Pollution Assessment of Heavy Metals in Roadside Agricultural Soils

Seghier¹,

Keltoum²

2020

Pol. J. Environ. Stud.

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Soil contamination of heavy metals is widespread, raising concerns about agricultural risks. We are investigating the concentrations and forms of the heavy metals lead, zinc, chromium, cobalt, nickel, cadmium and copper in agricultural soils near intensive traffic areas in two major cities in western Algeria: Tlemcen and Sidi Bel Abbes. We analyzed four soil samples cultivated with grapes (E1 and E2) and wheat (E3 and E4). The average concentrations of lead, cadmium, chromium and copper in these agricultural lands exceeded the environmental quality standards of soil in Europe. The average of total concentrations of nickel, cobalt and zinc are less than the environmental quality standards of soil in Europe, which is consistent with the obtained results of the contamination degrees and the potential ecological risk of a single heavy metal. (E r i ), E r i were classified as considerable (80≤E r i <160), high (160≤E r i <320); that, Eir average for Pb in all soil samples is 68.67 and 162.91 for the Cd. As a result, the ERI of the four soil samples was high in all cases. When using sequential extraction, our results show that cadmium compounds are preferentially concentrated in the carbonate fraction, acid-extractable fraction and residual phase of the soil, causing a risk because of its high value. Co was concentrated in the phases of reducible and oxidizable, while Pb, Zn, Cu and Ni are highly concentrated in the remaining two remaining phases, which are weak in reducible and oxidizable phases. These results show that these minerals are less readily available in the examined soil. There is also a correlation between nickel-zinc (Ni-Zn), cobalt, zinc (Co-Zn), cadmium and nickel (Cd-Ni), cadmium and chromium (Cd-Cr), cadmium and lead (Cd-Pb), copper and zinc (Cu-Zn), and chromium and lead (Cr-Pb). Soil parameters such as pH, CEC, TC% and organic matter content should also be taken into consideration when determining soil pollution status.

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“…Heavy metal toxicity is not only related to the total concentration of heavy metals, but also to the distribution of its speciation. Different forms exert different environmental effects, which directly affects the toxicity of heavy metals, their migration, and natural cycling 3 . With regard to the form of heavy metals, no uniform definition and classification have been reported.…”

Section: Introductionmentioning

confidence: 99%

Concentration and pollution assessment of heavy metals within surface sediments of the Raohe Basin, China

Jin

Duan

et al. 2019

Sci Rep

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Surface sediment samples were collected from four areas (the Jingdezhen Industrialized Area (JDZ), Upstream (UP), the Dexing Mining Area (DX), and Downstream (DM)) to investigate the concentration and chemical composition of heavy metals. The sediments were analysed for Cu, Zn, Pb, Cd, Cr, As, and Ni using a sequential extraction scheme according to the improved BCR (European Community Bureau of Reference) method. The obtained results show that the maximum values of Cu (793.52 μg·g−1), Zn (72.09 μg·g−1), Pb (222.19 μg·g−1), and Cd (1.60 μg·g−1) were collected from the DX sampling area, while the JDZ area had the highest concentrations of Cr (97.09 μg·g−1), As (318.05 μg·g−1), and Ni (66.35 μg·g−1). The majority of metal values far exceeded their corresponding background values. The risk analysis of geo-accumulation index (Igeo) indicated that the heavy metals Cu and As were the main pollution factors and each element of the pollution degree followed the order of: Cu > As > Pb > Cd > Cr > Zn. Metal partitioning characteristics were also considered and more than 80% of metals show potential bioavailability and toxic effects.

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Determination of Pollution and Heavy Metal Fractions in Golden Horn Sediment Sludge (Istanbul, Turkey)

Cited by 18 publications

References 10 publications

Enhanced remediation of pollutants by microorganisms–plant combination

Enhanced remediation of pollutants by microorganisms–plant combination

Pollution Assessment of Heavy Metals in Roadside Agricultural Soils

Concentration and pollution assessment of heavy metals within surface sediments of the Raohe Basin, China

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