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Environmental monitoring of a landfill area through the application of carbon stable isotopes, chemical parameters and multivariate analysis
Pontifical Catholic University of Rio Grande do Sul, Brazil.
Pontifical Catholic University of Rio Grande do Sul, Brazil.
General Institute of Forensics, Brazil.
Pontifical Catholic University of Rio Grande do Sul, Brazil.
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2018 (English)In: Waste Management, ISSN 0956-053X, E-ISSN 1879-2456, Vol. 76, p. 591-605Article in journal (Refereed) Published
Abstract [en]

Leachate produced during an organic matter decomposition process has a complex composition and can cause contamination of surface and groundwaters adjacent to a landfill area. The monitoring of these areas is extremely important for the characterization of the leachate produced and to avoid or mitigate environmental damages. Thus, the present study has the objective of monitoring the area of a Brazilian landfill using conventional parameters (dissolved metals and anions in water) and alternative, stable carbon isotopes parameters (δ13C of dissolved organic and inorganic carbons in water) in addition to multivariate analysis techniques. The use of conventional and alternative parameters together with multivariate analysis showed that cells of the residues are at different phases of stabilization of the organic matter and probably already at C3 of the methanogenic phase of decomposition. In addition, the data showed that organic matter stabilization ponds present in the landfill are efficient and improve the quality of the leachate. Enrichment of the heavy 13C isotope in both surface and groundwater suggested contamination in two sampling sites.

Place, publisher, year, edition, pages
2018. Vol. 76, p. 591-605
National Category
Earth and Related Environmental Sciences
Research subject
Natural Science
Identifiers
URN: urn:nbn:se:lnu:diva-74540DOI: 10.1016/j.wasman.2018.02.027OAI: oai:DiVA.org:lnu-74540DiVA, id: diva2:1210019
Available from: 2018-05-25 Created: 2018-05-25 Last updated: 2019-05-20Bibliographically approved

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Ketzer, João Marcelo

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