Ridding our rivers of plastic: A framework for plastic pollution capture device selection

Helinski, Olivia K.; Poor, Cara; Wolfand, Jordyn M.

doi:10.1016/j.marpolbul.2021.112095

Cited by 75 publications

(69 citation statements)

References 26 publications

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“…Once items are in a freshwater system they can accumulate over time and get flushed into coastal and sea habitats (Li et al 2016 ). According to Helinski et al ( 2021 ), recent research has found that rivers are the leading pathways for the transport of plastics into coastal and sea habitats but there is limited research on plastic pollution in freshwater systems compared to marine environments (van Emmerik and Schwarz 2020 ). Properties of plastics such as size, shape, and polymer type are other key transporting drivers (Tramoy et al 2019 ; Weideman et al 2019 ).…”

Section: Technologies To Control Plastics In Freshwater or The Seamentioning

confidence: 99%

“…drainage volume and weather conditions) will demand different types of floating booms (Tyler 2011 ; Nikiema et al 2020 ). However, booms do not offer a solution for plastics travelling below the surface (Tyler 2011 ; Helinski et al 2021 ). Booms are modelled in many shapes and sizes, and they have different levels of effectiveness in different types of water condition, such as calm, slow-flowing, and fast-moving water (Nikiema et al 2020 ).…”

Section: Technologies To Control Plastics In Freshwater or The Seamentioning

confidence: 99%

“…Table 8 indicates the cost ranges of technologies used to prevent runoff contamination. According to Helinski et al ( 2021 ), synergistic technologies are in the medium or high cost category while independent technologies are usually low cost. The cost of booms declines when length is higher and it also depends on the type of material used in construction.…”

Section: Technologies To Control Plastics In Freshwater or The Seamentioning

confidence: 99%

“…Similarly, booms put downstream will capture any wastes that overflow the upstream trash rack. To clean rivers, a framework for the selection of suitable plastic capture devices has been recently published (Helinski et al 2021 ).…”

Section: Technologies To Control Plastics In Freshwater or The Seamentioning

confidence: 99%

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A review of the cost and effectiveness of solutions to address plastic pollution

Nikiema

Asiedu

2022

Environ Sci Pollut Res

130

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Plastic usage increases year by year, and the growing trend is projected to continue. However as of 2017, only 9% of the 9 billion tons of plastic ever produced had been recycled leaving large amounts of plastics to contaminate the environment, resulting in important negative health and economic impacts. Curbing this trend is a major challenge that requires urgent and multifaceted action. Based on scientific and gray literature mainly published during the last 10 years, this review summarizes key solutions currently in use globally that have the potential to address at scale the plastic and microplastic contaminations from source to sea. They include technologies to control plastics in solid wastes (i.e. mechanical and chemical plastic recycling or incineration), in-stream (i.e. booms and clean-up boats, trash racks, and sea bins), and microplastics (i.e. stormwater, municipal wastewater and drinking water treatment), as well as general policy measures (i.e. measures to support the informal sector, bans, enforcement of levies, voluntary measures, extended producer responsibility, measures to enhance recycling and guidelines, standards and protocols to guide activities and interventions) to reduce use, reuse, and recycle plastics and microplastics in support of the technological options. The review discusses the effectiveness, capital expenditure, and operation and maintenance costs of the different technologies, the cost of implementation of policy measures, and the suitability of each solution under various conditions. This guidance is expected to help policymakers and practitioners address, in a sustainable and cost-efficient way, the plastic and microplastic management problem using technologies and policy instruments suitable in their local context. Supplementary Information The online version contains supplementary material available at 10.1007/s11356-021-18038-5.

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Section: Technologies To Control Plastics In Freshwater or The Seamentioning

confidence: 99%

Section: Technologies To Control Plastics In Freshwater or The Seamentioning

confidence: 99%

Section: Technologies To Control Plastics In Freshwater or The Seamentioning

confidence: 99%

Section: Technologies To Control Plastics In Freshwater or The Seamentioning

confidence: 99%

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A review of the cost and effectiveness of solutions to address plastic pollution

Nikiema

Asiedu

2022

Environ Sci Pollut Res

130

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“…Knowing the terminal rising and settling velocities allows a better selection of plastic cleanup strategies (Helinski et al, 2021), which may depend on the vertical distribution of plastics. The vertical velocities depend on the properties of the plastics, and will determine the fate of the particles.…”

Section: Introductionmentioning

confidence: 99%

Will it float? Rising and settling velocities of common macroplastic foils

Kuizenga¹,

Emmerik²,

Waldschläger³

et al. 2021

Preprint

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Plastic accumulates in the environment because of insufficient waste handling and the materials' high durability. Better understanding of plastic behaviour in the aquatic environment is needed to estimate transport and accumulation, which can be used for monitoring strategies, prevention measures, and plastic clean-up activities. Plastic transport models benefit from accurate description of particle characteristics, such as rising and settling velocities. For macroplastics, these are however still scarce. In this research, the rising and settling behaviour of three different polymer types (PET, PP, and PE) was investigated, which are the most common in the environment. All of the plastic particles were foils of different surface areas. A new method for releasing rising plastics without interfering the flow and disturbing the column was used. Four models that estimate the velocity based on the characteristics of the plastics are discussed, of which three are from literature, and one is newly derived. These models are validated using the data generated in this research, and data from another study on rising and settling velocities of plastic. From the models that were discussed, the best results are from the newly introduced velocity model for foils (R^2 = 0.96 and 0.58, for both datasets). This model shows potential to estimate the rising and settling velocity of plastics, and should be examined further by using additional data. The results of our paper can be used to further explore the vertical distribution of plastics in rivers, lakes and oceans, which is crucial to optimize future monitoring and cleanup efforts.

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New Approaches for Micro(Nano)Plastics Analysis

Regasa

2024

Toxic Effects of Micro‐ and Nanoplastics

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Ridding our rivers of plastic: A framework for plastic pollution capture device selection

Cited by 75 publications

References 26 publications

A review of the cost and effectiveness of solutions to address plastic pollution

A review of the cost and effectiveness of solutions to address plastic pollution

Will it float? Rising and settling velocities of common macroplastic foils

New Approaches for Micro(Nano)Plastics Analysis

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