Ecological risk assessment of domestic sewage sludge: a case study

Yakamercan, Elif; Aygün, Ahmet

doi:10.14744/sigma.2021.00030

Cited by 4 publications

(1 citation statement)

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“…Esta fração útil (estabilizada) do LE é renomeada biossólido e utilizada como adubo orgânico ou condicionador de solos, melhorando aspectos físicos, químicos e biológicos que podem contribuir de forma positiva no desenvolvimento e produção das plantas e na preservação dos solos e, além disso, promover a economia circular (Bettiol & Ghini, 2011;Kumar et al, 2017). A exigência legal de tratamento e estabilização do LE se faz necessária pois, por ser um resíduo bastante heterogêneo, apresenta concentrações ambientalmente relevantes de poluentes em sua composição, tais como metais pesados, patógenos e contaminantes emergentes, os quais podem trazer implicações negativas sobre toda a cadeia trófica e o meio ambiente que não podem ser ignoradas (Fijalkowski et al, 2017;Yakamercan & Aygün, 2021).…”

Section: Abstract Industrial Thermophilic Composting On Sewage Sludge...unclassified

Efeitos da compostagem termofílica industrial na qualidade do lodo de esgoto e na dissipação de resistência antimicrobiana em solos

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Efeitos da compostagem termofílica industrial na qualidade do lodo de esgoto e na dissipação de resistência antimicrobiana em solos / Rafael Santana Mendonça. --versão revisada de acordo com a Resolução CoPGr 6018 de 2011. Piracicaba, 2024. 93 p. Dissertação (Mestrado) --USP / Escola Superior de Agricultura "Luiz de Queiroz". 1. Biossólidos 2. Microbioma 3. Resistoma 4. Poluição do solo 5. Agricultura sustentável I. Título

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Section: Abstract Industrial Thermophilic Composting On Sewage Sludge...unclassified

Efeitos da compostagem termofílica industrial na qualidade do lodo de esgoto e na dissipação de resistência antimicrobiana em solos

Mendonça

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Health risk assessment of metal(loid)s for land application of domestic sewage sludge in city of Bursa, Türkiye

Yakamercan

Aygün

2023

Environ Monit Assess

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Assessing metal contamination and speciation in sewage sludge: implications for soil application and environmental risk

Feng,

Burke,

Chen

et al. 2023

Rev Environ Sci Biotechnol

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Based on the most recently published data, we definitively estimated that the annual global production of sewage sludge may rise from ~ 53 million tons dry solids currently to ~ 160 million tons if global wastewater were to be treated to a similar level as in the 27 European Union countries/UK. It is widely accepted that the agricultural application is a beneficial way to recycle the abundant organic matter and plant nutrients in sewage sludge. However, land application may need to be limited due to the presence of metals. This work presents a meticulous and systematic review of the sources, concentrations, partitioning, and speciation of metals in sewage sludge in order to determine the impacts of sludge application on metal behavior in soils. It identifies that industrial wastewater, domestic wastewater and urban runoff are main sources of metals in sludge. It shows conventional treatment processes generally result in the partitioning of over 70% of metals from wastewater into primary and secondary sludge. Typically, the order of metal concentrations in sewage sludge is Zn > Cu > Cr ≈ Pb ≈ Ni > Cd. The proportion of these metals that are easily mobilised is highest for Zn and Ni, followed by Cd and Cu, then Pb and Cr. Sludge application to land will lead to elevated metal concentrations, and potentially to short-term changes to the dominant metal species in soils. However, the speciation of sludge-associated metals will change over time due to interactions with plant roots and soil minerals and as organic matter is mineralised by rhizo-microbiome.

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Ecological risk assessment of domestic sewage sludge: a case study

Cited by 4 publications

References 0 publications

Efeitos da compostagem termofílica industrial na qualidade do lodo de esgoto e na dissipação de resistência antimicrobiana em solos

Efeitos da compostagem termofílica industrial na qualidade do lodo de esgoto e na dissipação de resistência antimicrobiana em solos

Health risk assessment of metal(loid)s for land application of domestic sewage sludge in city of Bursa, Türkiye

Assessing metal contamination and speciation in sewage sludge: implications for soil application and environmental risk

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