2012
DOI: 10.1590/s0100-40422012000200014
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Extração sequencial de zinco e cobre em solos tratados com lodo de esgoto e composto de lixo

Abstract: Recebido em 27/2/11; aceito em 5/8/11; publicado na web em 30/9/11 SEQUENTIAL EXTRACTION OF ZINC AND COPPER IN SOILS TREATED WITH SEWAGE SLUDGE AND MUNICIPAL SOLID WASTE COMPOST. This work aimed to access the contents and chemical forms and to estimate mobility and availability of cooper and zinc in samples from two soils (Haplortox and Paleudult) previously treated with doses of sewage sludge (SS) and municipal solid waste compost (MSWC), besides a control treatment. Largest percentages of Cu and Zn were dete… Show more

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Cited by 6 publications
(10 citation statements)
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“…This technique also allows more-detailed access to the distribution of these elements in the soil, their mobility, bioavailability and potential toxicity (Souza et al, 2012).…”
Section: Introductionmentioning
confidence: 99%
“…This technique also allows more-detailed access to the distribution of these elements in the soil, their mobility, bioavailability and potential toxicity (Souza et al, 2012).…”
Section: Introductionmentioning
confidence: 99%
“…This fraction is considered as inert and is not extracted in the other steps of the fractionation, but is considered as a chemically stable and biologically inactive fraction (Sipos et al, 2008;Souza et al, 2012).…”
Section: Resultsmentioning
confidence: 99%
“…The sequential extraction in the soil provides detailed information on origin, form of occurrence, availability, mobilization and transport of metals in natural environments (Mallmann et al, 2012;Souza et al, 2012).…”
Section: Introductionmentioning
confidence: 99%
“…The application of sanitary sewage sludge provides immobilization and nitrogen nitrification (Antoniadis et al, 2008), oxidation of sulfides (Souza et al, 2012) in the sludge and the formation of organic acids in the organic matter degradation process by microorganisms (Villanueva et al, 2012). These processes can still be accelerated when under tropical climate conditions, where there is more activity and microbial biomass in the soil (Antoniadis et al, 2008), being the condition in which the experiment was conducted, thus accelerating the process of organic matter decomposition of the sludge, and initially releasing organic acids and H + ions in the medium.…”
Section: Effect Of Fertilizations On Soil Phmentioning
confidence: 99%
“…The accumulation of Cu in the 15 and 50 cm layers of the soil is due to the strong connections with the clays and organic matter of the soil, resulting in lower leaching risks of the metal in the soil profile and, consequently, losses to the groundwater (Souza et al, 2012;Singh & Kalamdhad, 2013). In addition, Oliveira et al (2018), using dry sanitary sewage sludge from the same STP supplier of the residue used in this study, obtained, by sequential extraction, that 90.5% of Cu was found bound to stable fractions, such as carbonates, organic matter, sulphides and residual, whereas only 9.5% was in the soluble and exchangeable form.…”
Section: ------------------------Mg Kg -1 ------------------------mentioning
confidence: 99%