Articles with "return activated" as a keyword



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Heat and Bleach: A Cost-Efficient Method for Extracting Microplastics from Return Activated Sludge

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Published in 2017 at "Archives of Environmental Contamination and Toxicology"

DOI: 10.1007/s00244-017-0415-8

Abstract: The extraction of plastic microparticles, so-called microplastics, from sludge is a challenging task due to the complex, highly organic material often interspersed with other benign microparticles. The current procedures for microplastic extraction from sludge are… read more here.

Keywords: extraction; method; density separation; return activated ... See more keywords
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Techno-economic evaluation of ozone-oxidation for sludge reduction at the full-scale. Comparison between the application to the return activated sludge (RAS) and the sludge digestion unit

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Published in 2021 at "Journal of water process engineering"

DOI: 10.1016/j.jwpe.2021.102114

Abstract: Abstract Ozone oxidation was applied to a fraction (30 %) of the return activated sludge (RAS) of a full-scale Wastewater Treatment Plant for reducing the high sludge production (20 t/week). The amount of sludge sent… read more here.

Keywords: return activated; reduction; ozone oxidation; sludge ... See more keywords