Search results for " waste sludge"

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Occurrence of Microplastics in Waste Sludge of Wastewater Treatment Plants: Comparison between Membrane Bioreactor (MBR) and Conventional Activated S…

2022

In this study, the presence of microplastics in the sludge of three wastewater treatment plants (WWTPs) was examined. The investigated WWTPs operated based on a conventional activated sludge (CAS) process, with (W1) or without (W2) primary clarification, and a membrane bioreactor process (MBR) (W3). The microplastics (MPs) concentration in the samples of W3 was approximately 81.1 ± 4.2 × 103 particles/kg dry sludge, whereas MPs concentrations in W1 and W2 were 46.0 ± 14.8 × 103 particles/kg dry sludge and 36.0 ± 5.2 × 103 particles/kg dry sludge, respectively. Moreover, MPs mainly consisted of fragments (66–68%) in the CAS plants, whereas the fra…

membrane bioreactors microplastics waste sludge wastewater treatment plantSettore ICAR/03 - Ingegneria Sanitaria-AmbientaleProcess Chemistry and TechnologySettore ING-IND/34 - Bioingegneria IndustrialeChemical Engineering (miscellaneous)Filtration and Separationmembrane bioreactors; microplastics; waste sludge; wastewater treatment plantMembranes

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PEPhysical Sciences and Engineering
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LSLife Sciences
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SHSocial Sciences and Humanities
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