Mercury contamination in sandy soils surrounding an industrial emission source (Estarreja, Portugal)

Inácio, Manuela; Pereira, Virgínia; Pinto, Manuel

doi:10.1016/s0016-7061(98)00027-5

Cited by 47 publications

(19 citation statements)

References 6 publications

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“…This could account for a relatively high content of Hg H2O in organic horizons (Oi, Oe, and Oa) of the Albic Podzol (profile 8), in which no clay minerals were found. The above hypothesis stating the role of clay minerals in binding mercury in soil has also been confirmed by other authors (Biester et al 2002a;Boszke et al 2004;Inácio et al 1998). …”

Section: Content Of Water-soluble Mercurysupporting

confidence: 81%

“…Montgomery et al (2000), however, found relatively high concentration of mobile and available mercury forms in soils with comparatively high amount of organic matter. Furthermore, the influence of soil humus on binding of mercury is dependent on the clay content, and whether clay is high may even play the dominant role in this process (Inácio et al 1998;Wang et al 1997).…”

Section: Mercury Bound To Organic Mattermentioning

confidence: 99%

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Bioavailability and mobility of mercury in selected soil profiles

2016

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To understand the behaviour of mercury in soils and assess the risk of its toxicity, the forms in which the element is found in the environment must be detected. In the occurrence of favourable alkylation conditions (for example in floodplain soils), the content of methyl and ethyl mercury is higher. These Hg forms in comparison with mineral compounds are toxic for the same organisms in concentrations from 10 to 100 times lower. The research concerned eight selected soil profiles representing six different types of soils (Endogleyic Phaeozem, Endogleyic Fluvisol, Eutric Fluvisol, Haplic Luvisols, Brunic Arenosol, Albic Podzol) placed in croplands. The content of mobile (water soluble), available (DTPA-extractable) and bound with organic matter (NaOH-extractable) Hg forms was determined after thermal decomposition using AMA mercury analyser. The mobility as well as availability of mercury in the analysed soils was very low, with average percentage to 0.28 and 2.45 % of the total content of this metal, respectively. It was mainly dependent on texture, the amount of organic matter and soil pH. The percentage of mercury bound with organic matter ranged from 2.34 to 73.70 % of the total content of this metal and was correlated with amount of clay and Fe oxides. Considering these results, the hazard of migration of this element into deeper horizons of the soil profile and ground water is very low. Moreover, crops from the investigated area are not at risk from mercury contamination.

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Section: Content Of Water-soluble Mercurysupporting

confidence: 81%

Section: Mercury Bound To Organic Mattermentioning

confidence: 99%

Bioavailability and mobility of mercury in selected soil profiles

2016

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“…This complex dates back to 1950 (Inácio et al, 1998) and is home to a large chlor-alkali plant which used to produced chlorine and caustic soda by the mercury cell process, where liquid elemental mercury is utilized as a cathode in the electrolysis of a saturated brine solution (Ullrich et al, 2007).…”

Section: Study Site Description 125mentioning

confidence: 99%

“…Soil mercury contamination is a problem found at many industrial and mining sites both active and inactive (Biester and Scholz, 1997;Inácio et al, 1998). 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).…”

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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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“…A indústria de cloro e soda cáustica tem sido reconhecida como a fonte mais importante de lançamento de mercúrio no ambiente aquá-tico (Inácio, 1998). O mercúrio é um dos elementos não essenciais mais perigosos à saúde humana.…”

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Monitoramento da contaminação por elementos traço em ostras comercializadas em Recife, Pernambuco, Brasil

Cavalcanti

2003

Cad. Saúde Pública

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Mercury contamination in sandy soils surrounding an industrial emission source (Estarreja, Portugal)

Cited by 47 publications

References 6 publications

Bioavailability and mobility of mercury in selected soil profiles

Bioavailability and mobility of mercury in selected soil profiles

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

Monitoramento da contaminação por elementos traço em ostras comercializadas em Recife, Pernambuco, Brasil

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