Mercury contamination in the vicinity of a chlor-alkali plant and potential risks to local population

Reis, Ana Teresa; Rodrigues, Sónia; Araújo, Clarisse; Coelho, J.P.; Pereira, Eduarda; Duarte, Armando C.

doi:10.1016/j.scitotenv.2008.10.065

Cited by 89 publications

(35 citation statements)

References 32 publications

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“…Industrial activities releasing metals or organic particulates impact surrounding soils [1][2][3][4][5]. These pollutants pose a significant risk for health and the natural environment.…”

Section: Introductionmentioning

confidence: 99%

Impact of a semi-industrial coke processing plant in the surrounding surface soil

Dı́az-Somoano

López-Antón

Suárez‐Ruíz

et al. 2012

Fuel Processing Technology

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Soil pollution by anthropogenic activities is an important environmental issue especially in industrialized countries. The objective of this study is to evaluate the environmental impact of a coal conversion plant on the surrounding soil by measuring the spatial distribution of particulate organic carbon and determining the concentration of trace elements (part I) and PAHs (part II).The results indicate that the surface soil present an increase in the content of organic particulates with values exceeding 80% vol. at the centre of the coking plant facilities. The concentrations rapidly decrease as the distance from the plant increases. Although concentrations of As, Cd, Co, Cr, Cu, Hg, Ni, Pb, and Zn in most cases did not exceed the environmental limits, a clear relationship was established between the presence of some of these elements and the high values of particulate organic carbon content found in the proximity of the plant.

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“…Industrial activities releasing metals or organic particulates impact surrounding soils [1][2][3][4][5]. These pollutants pose a significant risk for health and the natural environment.…”

Section: Introductionmentioning

confidence: 99%

Impact of a semi-industrial coke processing plant in the surrounding surface soil

Dı́az-Somoano

López-Antón

Suárez‐Ruíz

et al. 2012

Fuel Processing Technology

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“…Soil concentrations of a few to several thousand mg of mercury per kg of soil were found in the vicinity of industrial facilities where mercury and its compounds are or were used (Biester and Scholz, 1997;Reis et al, 2009). At mining sites, the weathering of waste materials and mankind's action can redistribute mercury, if present, in additional chemical forms, facilitate dispersion in watersheds or through atmospheric emissions, and increase its bioavailability for organisms (Brown et al, 1999).…”

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confidence: 99%

Extractability and mobility of mercury from agricultural soils surrounding industrial and mining contaminated areas

et al. 2010

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This version is available at https://strathprints.strath.ac.uk/27622/ Strathprints is designed to allow users to access the research output of the University of Strathclyde. Unless otherwise explicitly stated on the manuscript, Copyright © and Moral Rights for the papers on this site are retained by the individual authors and/or other copyright owners. Please check the manuscript for details of any other licences that may have been applied. You may not engage in further distribution of the material for any profitmaking activities or any commercial gain. You may freely distribute both the url (https://strathprints.strath.ac.uk/) and the content of this paper for research or private study, educational, or not-for-profit purposes without prior permission or charge. AbstractThis study focussed on a comparison of the extractability of mercury in soils with two different contamination sources (a chlor-alkali plant and mining activities) and on the evaluation of the influence of specific soil properties on the behaviour of the contaminant.The method applied here did not target the identification of individual species, but instead provided information concerning the mobility of mercury species in soil. Mercury fractions were classified as mobile, semi-mobile and non-mobile.The fractionation study revealed that in all samples mercury was mainly present in the semi-mobile phase (between 63 and 97%). The highest mercury mobility (2.7 mg kg -1 ) was found in soils from the industrial area. Mining soils exhibited higher percentage of non-mobile mercury, up to 35%, due to their elevated sulfur content.Results of factor analysis indicate that the presence of mercury in the mobile phase could be related to manganese and aluminum soil contents. A positive relation between mercury in the semi-mobile fraction and the aluminium content was also observed. By contrary, organic matter and sulfur contents contributed to mercury retention in the soil matrix reducing the mobility of the metal.

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“…See Table 2 for explanation of categories industrial areas from China and Turkey (Li et al 2009(Li et al , 2013Luo et al 2009;Yaylali-Abanuz 2011). The soil mercury contents measured in the study area are, however, lower than those found at locations with industrial activities implying mercury use, like chlor-alkali plants (Reis et al 2009;Grangeon et al 2012) Mercury pollution in the study area soils was further explored by using common contamination indexes: the index of geoaccumulation (I geo ), the enrichment factor (EF), and the contamination factor (C f ). The calculated indexes and corresponding contamination categories are summarized in Table 4.…”

Section: Application To Soil Samplesmentioning

confidence: 99%

Mercury pollution assessment in soils affected by industrial emissions using miniaturized ultrasonic probe extraction and ICP-MS

Bernalte

Salmani-Ghabeshi

Rueda-Holgado

et al. 2014

Int. J. Environ. Sci. Technol.

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A combination of probe ultrasonic extraction, optimized by surface response methodology, and Inductively coupled plasma mass spectrometry (ICP-MS) detection is described in this work as an effective methodology for mercury monitoring in soils affected by industrial emissions. Minute amounts of samples (typically 20 mg) can be extracted in 3 min by 1 mL of HCl-based extracting solution, without risk of mercury losses, and sub sequentially assayed by ICP-MS. The method was successfully tested on soil standard reference materials and then applied to mercury monitoring in a large set of real soil samples collected during a long-term monitoring survey (2007-2011) around the industrial area of Puchuncaví, Chile. The method proved to be useful for investigation of spatial and temporal mercury variability in the area, showing an intermediate to high mercury contamination with potential impact on the surrounding ecosystem.

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Mercury contamination in the vicinity of a chlor-alkali plant and potential risks to local population

Cited by 89 publications

References 32 publications

Impact of a semi-industrial coke processing plant in the surrounding surface soil

Impact of a semi-industrial coke processing plant in the surrounding surface soil

Extractability and mobility of mercury from agricultural soils surrounding industrial and mining contaminated areas

Mercury pollution assessment in soils affected by industrial emissions using miniaturized ultrasonic probe extraction and ICP-MS

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