Pathway, classification and removal efficiency of microplastics in wastewater treatment plants

Ngo, Phuong Linh; Pramanik, Biplob Kumar; Shah, Kalpit; Roychand, Rajeev

doi:10.1016/j.envpol.2019.113326

Cited by 268 publications

(131 citation statements)

References 56 publications

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“…23 Microplastics removed during sewage treatment may be retained in the sludge; 5,24 which sometimes is treated and applied to land, such as for agricultural reuse. 7,25 While there have been a number of recent reviews about plastics in wastewater treatment, [26][27][28][29] none of these calculated removal efficiencies for microplastics for relevant treatment processes based on all available literature or settling/floating velocities for polymers commonly found in wastewater. The objective of this study was to analyse the fate and behaviour of microplastics during wastewater treatment, which included quantifying their removal efficiency by different processes and concentrations in sewage sludge.…”

Section: Introductionmentioning

confidence: 99%

Microplastics removal in wastewater treatment plants: a critical review

Iyare

Ouki

Bond

2020

Environ. Sci.: Water Res. Technol.

198

121

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Section: Introductionmentioning

confidence: 99%

Microplastics removal in wastewater treatment plants: a critical review

Iyare

Ouki

Bond

2020

Environ. Sci.: Water Res. Technol.

198

121

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“…Additional treatment steps at the WWTP have been suggested as a strategy to reduce the microplastic load to recipient waters (Carney Almroth et al 2018 ). The conventional treatments at WWTPs retain much microplastics, but microplastics are still present in effluent (Ngo et al 2019 ). Additional treatment steps may further increase the retention capacity.…”

Section: Resultsmentioning

confidence: 99%

“…Microplastics are omnipresent in urban areas (Tibbetts et al 2018) and found in both stormwater (Borg Olesen et al 2019;Liu et al 2019) and wastewater (Ngo et al 2019). Wastewater treatment plants (WWTPs) show a high capacity to retain microplastics, often up to 99%, even without any advanced treatment (Carr et al 2016;Lares et al 2018;Murphy et al 2016;Simon et al 2018).…”

Section: Introductionmentioning

confidence: 99%

Towards control strategies for microplastics in urban water

Fältström

Anderberg

2020

Environ Sci Pollut Res

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Microplastics (plastic particles < 5 mm) is a pollution of growing concern. Microplastic pollution is a complex issue that requires systematic attempts to provide an overview and avoid management solutions that have marginal effects or only move the pollution problem. Substance flow analysis (SFA) has been proposed as a useful tool to receive such an overview and has been put forward as valuable for substance management. However, as the research on microplastics has only emerged recently, detailed and reliable SFAs are difficult to perform. In this study, we use three SFA studies for three pollutants (cadmium, copper and pharmaceuticals) to compare flows and strategies to control the flows. This in order to seek guidance for microplastic management and evaluate potential strategies for controlling microplastics. The analysis shows that there has been rigorous control on different levels to abate pollution from cadmium, copper and pharmaceuticals, but where in the system the major control measures have been carried out differ. For microplastics, there are many potential solutions, both in terms of preventive actions and treatment depending on the type of source. When forming management plans for microplastics, the responsibility for each measure and the impact on the whole urban system should be taken into consideration as well as which receiving compartments are particularly valuable and should be avoided.

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“…Humans can consume microplastics through drinking water and consuming fish exposed to microplastics. WWTPs are inefficient to altogether remove the microplastic particles in treated water [34]. Thus, microplastic particles can contaminate river water, which is used as a source of PDAM.…”

Section: Environmental Risk Of Microplastics Pollutantmentioning

confidence: 99%

Distribution and environmental risk of microplastics pollution in freshwater of Citarum Watershed

2020

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The Citarum River is one of the most polluted rivers in the world because of the inadequate waste management system and community ignorance. Plastic is one of the contaminants in the Citarum watershed. In general, plastics less than 5 mm in size are defined as microplastics. Microplastics are persistent and harm the environment. This article aims to determine the potential for pollution and distribution of microplastics in freshwater systems, especially in the Citarum watershed area. Using a combination of literature study methods with Geographical Information Systems (GIS) analysis, this article explains that microplastic contamination has occurred along the Citarum watershed from upstream to downstream, found in water and sediment and fish samples. Facilitated by their small size and high stability in the environment, microplastics can move from the aquatic environment into the food chain and cause longterm damage. This case causes a severe threat to the quality of freshwater in the Citarum watershed. Therefore, this article can be used as a reference for managing pollution in the Citarum watershed area.

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Pathway, classification and removal efficiency of microplastics in wastewater treatment plants

Cited by 268 publications

References 56 publications

Microplastics removal in wastewater treatment plants: a critical review

Microplastics removal in wastewater treatment plants: a critical review

Towards control strategies for microplastics in urban water

Distribution and environmental risk of microplastics pollution in freshwater of Citarum Watershed

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