Article
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Tier 2
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Original research — experimental, observational, or case-control study. Direct primary evidence.
Marine & Wildlife
Remediation
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Microlitter in sewage treatment systems
TemaNord2016
32 citations
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Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Score: 30
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0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Julia Talvitie,
Julia Talvitie,
Julia Talvitie,
Julia Talvitie,
Julia Talvitie,
Julia Talvitie,
Kerstin Magnusson
Julia Talvitie,
Julia Talvitie,
Kerstin Magnusson
Kerstin Magnusson
Julia Talvitie,
Julia Talvitie,
Julia Talvitie,
Julia Talvitie,
Hr�nn J�rundsd�ttir,
Kerstin Magnusson
Kerstin Magnusson
Hr�nn J�rundsd�ttir,
Julia Talvitie,
Julia Talvitie,
Kerstin Magnusson
Kerstin Magnusson
Kerstin Magnusson
Kerstin Magnusson
Kerstin Magnusson
Fredrik Nor�n,
Julia Talvitie,
Fredrik Nor�n,
Kerstin Magnusson
Kerstin Magnusson
Hywel Lloyd,
Kerstin Magnusson
Kerstin Magnusson
Kerstin Magnusson
Julia Talvitie,
Julia Talvitie,
Julia Talvitie,
Julia Talvitie,
Julia Talvitie,
Julia Talvitie,
Julia Talvitie,
Kerstin Magnusson
Kerstin Magnusson
Julia Talvitie,
Kerstin Magnusson
Julia Talvitie,
Julia Talvitie,
Outi Set�l�,
Julia Talvitie,
Julia Talvitie,
Julia Talvitie,
Kerstin Magnusson
Julia Talvitie,
Kerstin Magnusson
Outi Set�l�,
Kerstin Magnusson
Kerstin Magnusson
Julia Talvitie,
Julia Talvitie,
Julia Talvitie,
Kerstin Magnusson
Julia Talvitie,
Kerstin Magnusson
Julia Talvitie,
Julia Talvitie,
Kerstin Magnusson
Kerstin Magnusson
Kerstin Magnusson
Kerstin Magnusson
Summary
A study of Swedish sewage treatment plants found that municipal wastewater contains substantial amounts of microplastics, but most particles are captured in sewage sludge during treatment rather than discharged to waterways. However, when sludge is spread on farmland as fertilizer, these microplastics still reach the environment, suggesting that household-level reduction is ultimately needed.
The report presents results from a study on the role municipal sewage treatment plants (STPs) have as entrance routes for microplastics and other microlitter particles to the marine environment. Microlitter concentrations were analysed in waste water before and after treatment in the STPs, and in the recipient waters where the treated waste water is discharged. Municipal waste water was found to contain a substantial amount of microlitter, but in STPs equipped with chemical and biological treatment most of the litter particles were retained in the sewage sludge. This reduces the impact on the recipient water, but if the sludge is used as fertilizer on farm land the microlitter will still reach the environment. Efforts to reduce the microlitter concentrations should therefore preferably be done in households and other locations where the waste water is originally being formed.