Articles with "density separation" 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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Heavy metal recovery from the fine fraction of solid waste incineration bottom ash by wet density separation

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Published in 2021 at "Journal of Material Cycles and Waste Management"

DOI: 10.1007/s10163-021-01325-1

Abstract: This work is aimed at exploring the recovery of heavy metals from the fine fraction of solid waste incineration bottom ash. For this study, wet-discharged bottom ash fine-fraction samples from full-scale treatment plants in Germany… read more here.

Keywords: heavy metal; bottom ash; fine fraction; density separation ... See more keywords
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Selection of a density separation solution to study microplastics in tropical riverine sediment

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Published in 2022 at "Environmental Monitoring and Assessment"

DOI: 10.1007/s10661-021-09664-0

Abstract: Microplastics (MPs) are small ( 87%) than the denser polymers (PET and PVC: 37 to 88.8%) using NaCl, NaI and ZnCl 2 solutions. However, the effective flotation of ZnCl 2 and NaI solutions is relatively expensive… read more here.

Keywords: study; sediment; density separation; solution ... See more keywords
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Extraction of microplastic from marine sediments: A comparison between pressurized solvent extraction and density separation.

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Published in 2021 at "Marine pollution bulletin"

DOI: 10.1016/j.marpolbul.2021.112436

Abstract: Due to the ecotoxicological effects, microplastics are considered a threat for the marine environment. Recent reports indicate their presence not only in subsurface water and in coastal beach sediments, but also in the deep-sea. Notwithstanding,… read more here.

Keywords: pressurized solvent; extraction; density separation; solvent extraction ... See more keywords