A review on the characteristics of microplastics in wastewater treatment plants: A source for toxic chemicals

Hamidian, Amir Hossein; Ozumchelouei, Elnaz Jafari; Feizi, Farzaneh; Wu, Chenxi; Zhang, Yu; Yang, Min

doi:10.1016/j.jclepro.2021.126480

Cited by 203 publications

(64 citation statements)

References 146 publications

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“…Microplastics ingestion by organisms is also discussed as a removal strategy. However, sorption and filtration processes coupled with membrane bioreactors lead to higher microplastics removal compared to other methods (Hamidian et al 2021;Padervand et al 2020). Othman and coworkers reviewed microplastics degradation through enzymatic processes (Othman et al 2021).…”

Section: Introductionmentioning

confidence: 99%

Microplastic sampling techniques in freshwaters and sediments: a review

et al. 2021

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Pollution by microplastics is of increasing concern due to their ubiquitous presence in most biological and environmental media, their potential toxicity and their ability to carry other contaminants. Knowledge on microplastics in freshwaters is still in its infancy. Here we reviewed 150 investigations to identify the common methods and tools for sampling microplastics, waters and sediments in freshwater ecosystems. Manta trawls are the main sampling tool for microplastic separation from surface water, whereas shovel, trowel, spade, scoop and spatula are the most frequently used devices in microplastic studies of sediments. Van Veen grab is common for deep sediment sampling. There is a need to develop optimal methods for reducing identification time and effort and to detect smaller-sized plastic particles.

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Section: Introductionmentioning

confidence: 99%

Microplastic sampling techniques in freshwaters and sediments: a review

et al. 2021

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“…Mechanical stress also acts during the production process, thus releasing synthetic fibers. The drying process, packaging and transport, in which many microplastics are released, lead to further environmental pollution [ 5 , 6 , 7 ].…”

Section: Plastics and Microplasticsmentioning

confidence: 99%

“…These are most often disposable plastic packaging and plastic household utensils, and the most common waste is specifically: plastic bags, bottles, straws, cups, storage containers, ropes, caps, cool boxes, floats, polystyrene utensils, pipes, containers, fishing nets, glass fiber textiles, cigarette filters, etc. Another source may be vehicle tires (sometimes classified as primary microplastics), which are abraded while driving [ 6 , 37 ]. The process of secondary MPs’ formation and their occurrence in the aquatic environment is attributed to the action of wave action, wind abrasion, UV radiation, hydrolysis and bioassimilation by microorganisms.…”

Section: Plastics and Microplasticsmentioning

confidence: 99%

“…Due to the formation of primary microplastics, it is very likely that wastewater flowing into wastewater treatment plants (WWTPs) will be heavily burdened with these MPs. Some studies even identified a wastewater treatment plant to be a source of MPs in relation to the river, while others have refuted this claim [ 6 , 66 , 67 ]. As for this topic, the point of interest is to clarify the mechanisms of MPs’ passage via WWTPs, the efficiency of disposal, and the quantity of microplastics discharged further into the recipient.…”

Section: Plastics and Microplasticsmentioning

confidence: 99%

“…Primary microplastics are produced for their abrasive properties, mainly as consumer goods in the cosmetics industry or cleaning agents. On the other hand, secondary microplastics are formed by the gradual degradation and subsequent fragmentation of larger plastic particles and are considered the predominant source of microplastic pollution in the environment [ 5 , 6 , 7 ].…”

Section: Introductionmentioning

confidence: 99%

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Disparities in Methods Used to Determine Microplastics in the Aquatic Environment: A Review of Legislation, Sampling Process and Instrumental Analysis

Halfar

Brožová

Čabanová

et al. 2021

IJERPH

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Plastic particles smaller than 5 mm, i.e., microplastics, have been detected in a number of environments. The number of studies on microplastics in marine environments, fresh water, wastewater, the atmosphere, and the human body are increasing along with a rise in the amounts of plastic materials introduced into the environment every year, all contributing to a range of health and environmental issues. Although the use of primary microplastics has been gradually reduced by recent legislation in many countries, new knowledge and data on these problems are needed to understand the overall lifecycle of secondary microplastics in particular. The aim of this review is to provide unified information on the pathways of microplastics into the environment, their degradation, and related legislation, with a special focus on the methods of their sampling, determination, and instrumental analysis. To deal with the health and environmental issues associated with the abundance of microplastics in the environment, researchers should focus on agreeing on a uniform methodology to determine the gravity of the problem through obtaining comparable data, thus leading to new and stricter legislation enforcing more sustainable plastic production and recycling, and hopefully contributing to reversing the trend of high amounts of microplastics worldwide.

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Occurrence of Microplastics in Wastewater Treatment Plants

and¹,

Li²

2022

Microplastics in Urban Water Management

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A review on the characteristics of microplastics in wastewater treatment plants: A source for toxic chemicals

Cited by 203 publications

References 146 publications

Microplastic sampling techniques in freshwaters and sediments: a review

Microplastic sampling techniques in freshwaters and sediments: a review

Disparities in Methods Used to Determine Microplastics in the Aquatic Environment: A Review of Legislation, Sampling Process and Instrumental Analysis

Occurrence of Microplastics in Wastewater Treatment Plants

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