城市固体废物处理区金属污染风险分析

Q3 Social Sciences

Journal of Urban and Environmental Engineering Pub Date : 2020-12-15 DOI:10.4090/juee.2020.v14n2.244--250

Valdenira C. da Silva, Pedro Herlleyson. G. Cardoso, Cleidiane G. Lima, R. C. De Castro, C. Nobre, M. Milhome

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引用次数: 0

摘要

由于各种有毒物质(如重金属)可能污染环境，城市固体废物处理不当一直令人关切。该研究的目的是分析在巴西塞埃尔伊瓜图市城市固体废物露天垃圾场周围收集的土壤和水样中的重金属浓度。采用危害商数法(Hazard Quotient, HQ)进行人体健康风险分析。结果显示，重金属的浓度高于现行立法规定的浓度。土壤和水样中金属的浓度依次为:Fe> Zn> Mn> Cu> Pb> Cr和Fe> Mn> Zn> Ni> Cu> Cr> Cd> Co.然而，HQ值表明这些金属的水平可能很少或没有不利的健康影响。建议对环境基质进行持续监测，以避免污染的增加和对人体健康的风险。

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ANALYSIS OF THE RISK OF CONTAMINATION BY METALS IN AREAS OF SOLID URBAN WASTE DISPOSAL

The inadequate disposal of solid urban waste has been of concern, due to the possibility of environmental contamination by various toxic substances, such as heavy metals. The study aims to analyze the concentration of heavy metals in soil and water samples collected around the municipal solid waste (MSW) open dumpsite, Iguatu, Ceará, Brazil. The analysis of risk to human health was determined using Hazard Quotient (HQ). The results showed the presence of heavy metals in concentrations higher than those established by current legislation. The concentration of metals in the soil and water samples were found in the following order, respectively: Fe> Zn> Mn> Cu> Pb> Cr and Fe> Mn> Zn> Ni> Cu> Cr> Cd> Co. However, HQ values indicate that the level of these metals may have little or no adverse health effects. The results suggest the continuous monitoring of the environmental matrices, to avoid the increase of contamination and the risk to human health.

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来源期刊

Journal of Urban and Environmental Engineering Social Sciences-Urban Studies

CiteScore

0.90

自引率

0.00%

发文量

审稿时长

24 weeks

期刊介绍： Journal of Urban and Environmental Engineering (JUEE) provides a forum for original papers and for the exchange of information and views on significant developments in urban and environmental engineering worldwide. The scope of the journal includes: (a) Water Resources and Waste Management [...] (b) Constructions and Environment[...] (c) Urban Design[...] (d) Transportation Engineering[...] The Editors welcome original papers, scientific notes and discussions, in English, in those and related topics. All papers submitted to the Journal are peer reviewed by an international panel of Associate Editors and other experts. Authors are encouraged to suggest potential referees with their submission. Authors will have to confirm that the work, or any part of it, has not been published before and is not presently being considered for publication elsewhere.