Heavy metal contamination of surface soil around Gebze industrial area, Turkey

Yaylalı-Abanuz, Gülten

doi:10.1016/j.microc.2011.04.004

Cited by 230 publications

(81 citation statements)

References 27 publications

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“…In particular, heavy metal pollution of surface soils due to intense industrialization and urbanization has become a serious concern in many developing countries (Mireles et al 2012;Wei and Yang 2010;Yaylalı-Abanuz 2011). The accumulation of heavy metals in surface soils is affected by many environmental variables, including parent material and soil properties, as well as by human activities, such as industrial production, traffic, farming, and irrigation.…”

Section: Introductionmentioning

confidence: 99%

Assessing heavy metal pollution in the surface soils of a region that had undergone three decades of intense industrialization and urbanization

Liu

Bai

et al. 2013

Environ Sci Pollut Res

496

167

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Heavy metals in the surface soils from lands of six different use types in one of the world's most densely populated regions, which is also a major global manufacturing base, were analyzed to assess the impact of urbanization and industrialization on soil pollution. A total of 227 surface soil samples were collected and analyzed for major heavy metals (As, Cd, Co, Cr, Cu, Fe, Hg, Mn, Ni, Pb, and Zn) by using microwave-assisted acid digestion and inductively coupled plasma-mass spectrometry (ICP-MS). Multivariate analysis combined with enrichment factors showed that surface soils from the region (>7.2×10 4 km 2 ) had mean Cd, Cu, Zn, and As concentrations that were over two times higher than the background values, with Cd, Cu, and Zn clearly contributed by anthropogenic sources. Soil pollution by Pb was more widespread than the other heavy metals, which was contributed mostly by anthropogenic sources. The results also indicate that Mn, Co, Fe, Cr, and Ni in the surface soils were primarily derived from lithogenic sources, while Hg and As contents in the surface soils were controlled by both natural and anthropogenic sources. The pollution level and potential ecological risk of the surface soils both decreased in the order of: urban areas>waste disposal/treatment sites∼industrial areas>agri-cultural lands∼forest lands>water source protection areas. These results indicate the significant need for the development of pollution prevention and reduction strategies to reduce heavy metal pollution for regions undergoing fast industrialization and urbanization.

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Section: Introductionmentioning

confidence: 99%

Assessing heavy metal pollution in the surface soils of a region that had undergone three decades of intense industrialization and urbanization

Liu

Bai

et al. 2013

Environ Sci Pollut Res

496

167

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“…Por otra parte, el impacto de la minería artesanal del oro en Colombia debido a la utilización de Hg se ha reportado en diferentes muestras de aire (Olivero-Verbel et al 2014), peces (Olivero y Solano 1998, Marrugo-Negrete et al 2008a, sedimentos y macrófitas (Olivero-Verbel et al 2015), cabello humano (Olivero-Verbel et al 1995, 2011, agua (Olivero-Verbel et al 2015), fitoplancton y zooplancton (Marrugo-Negrete et al 2008b), y animales domésticos (gallinas, cerdos y patos) (Argumedo et al 2013), principalmente en los departamentos de Sucre (Olivero-Verbel et al 2002, MarrugoNegrete et al 2008a, Antioquía (Cordy et al 2011) y Bolívar (Olivero-Verbel et al 2011. Sin embargo, a pesar de la amplia información que existe sobre los efectos de la minería en el país, la mayoría de las investigaciones han sido relacionadas con otras matrices, y son pocos los estudios en suelo.…”

Section: Introductionunclassified

“…Recientemente, García et al (2015) evaluaron los niveles de Hg en suelos y lechos de quebradas en la zona minera de Miraflores, Quinchía, Colombia, encontrando un promedio de Hg en el suelo de 7.1 ± 6.2 μg/g entre 0 y 25 cm de profundidad y 8.9 ± 7.9 μg/g entre 25 y 50 cm, con un valor mínimo de 0.11 μg/g y máximo de 36.9 μg/g. En el caso de San Martín de Loba se han realizado estudios en cabello humano (Olivero-Verbel et al 1995, 2011; peces, sedimentos, agua y macrófitas (Olivero-Verbel et al 2015), y aire (Olivero-Verbel et al 2014), pero ninguna investigación ha determinado este metal en suelo.…”

Section: Introductionunclassified

Impacto De La Minería Del Oro Asociado Con La Contaminación Por Mercurio en Suelo Superficial De San Martín De Loba, Sur De Bolívar (Colombia)

Rocha-Román

Olívero-Verbel

Caballero-Gallardo

2018

Rev. Int. Contam. Ambie.

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Palabras clave: toxicidad, ambiente, actividades antrópicas, salud humana RESUMEN Las actividades humanas han aumentado la contaminación por mercurio (Hg) en los ambientes terrestres, especialmente en áreas de minería de oro. El objetivo de este estudio fue evaluar las concentraciones de mercurio total (Hg-t) en muestras de suelo superficial de San Martin de Loba, sur de Bolívar (Colombia), así como determinar el nivel de contaminación en el suelo. Un total de 202 muestras de suelo superficial fueron colectadas en San Martín de Loba. Los niveles de Hg-t fueron medidos por atomización electrotérmica y espectroscopia de absorción atómica. Las concentraciones de Hg-t variaron de 0.002 a 23.83 μg/g, con un valor medio de 3.40 ± 0.36 μg/g, el cual es ligeramente más alto que para el Hg en suelo a nivel mundial. El índice de geo-acumulación (Igeo) para suelo alcanzó valores superiores a 5, indicando una contaminación extrema (Clase 6) en el 17 % de las muestras, mientras que el 70 % fueron Clase 5 (fuertemente a extremadamente contaminado). Este estudio también ofrece un mapa de riesgos para evaluar las posibles repercusiones negativas. En conclusión, el municipio de San Martín de Loba puede considerarse una zona fuertemente contaminada con alto contenido de Hg. La tecnología utilizada para extraer oro a lo largo de los procesos de amalgamación provoca un alto grado de contaminación por Hg en torno a esta área de minería de oro. Por lo tanto, deben considerarse métodos alternativos de extracción para reducir los niveles de Hg que pueden liberarse al ambiente y afectar la salud humana.Key words: toxicity, environment, anthropogenic activities, human health ABSTRACT Human activities have increased mercury (Hg) contamination of terrestrial environments, especially gold mining areas. The aim of this study was to evaluate total Hg concentrations (T-Hg) in surface soil samples of San Martín de Loba, south of Bolívar (Colombia), to determine their Hg contamination level. For that purpose, 202 surface soil samples were collected. T-Hg levels were measured by electrothermal atomization and atomic absorption spectroscopy. The T-Hg surface soil concentrations ranged between 0.002 and 23.83 μg/g, with a median value of 3.40 ± 0.36 μg/g, which is

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“…Environmental management of the industrial activities could be better controlled when they are organized in an isolated area in developing countries [1][2][3]. Centralized and organized industrial zones are common in Turkey, the number of which exceeded 250 [4].…”

Section: Introductionmentioning

confidence: 99%

Effect of Membrane Type for the Treatment of Organized Industrial Zone (OIZ) Wastewater with a Membrane Bioreactor (MBR): Batch Experiments

Özkan

Uyanik

2017

Water

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Organized industrial zone (OIZ) wastewater is a mixed wastewater that is contributed by both municipal use and from different industrial sectors. Since MBR has advantages over conventional treatment plants, membrane types and fouling become the most important parameters in the treatment of this kind of wastewater. In this study, six different membrane types were used to find the most suitable membrane with the least resistivity to fouling. Three different microfiltration (MF) and ultrafiltration (UF) membranes were operated to estimate their (i) membrane, (ii) cake, (iii) pore, and (iv) total resistances. The highest total resistance was observed in a polyethersulfone (PES) membrane (3.8 × 10 10 m −1 ), while the lowest one was a UF polyvinylidene fluoride (PVDF) membrane with approximately 20 times lower resistance than the highest one. PVDF membranes showed lower total resistances than PES membranes. An MF or a 250 kDa UF membrane could be operated long-term in a membrane bioreactor with the least fouling potential.

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Heavy metal contamination of surface soil around Gebze industrial area, Turkey

Cited by 230 publications

References 27 publications

Assessing heavy metal pollution in the surface soils of a region that had undergone three decades of intense industrialization and urbanization

Assessing heavy metal pollution in the surface soils of a region that had undergone three decades of intense industrialization and urbanization

Impacto De La Minería Del Oro Asociado Con La Contaminación Por Mercurio en Suelo Superficial De San Martín De Loba, Sur De Bolívar (Colombia)

Effect of Membrane Type for the Treatment of Organized Industrial Zone (OIZ) Wastewater with a Membrane Bioreactor (MBR): Batch Experiments

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