Issue 2, 2021

Microplastics in marine environment: a review on sources, classification, and potential remediation by membrane technology

Abstract

The presence of microplastics in marine environment has been a pollution problem for years; however, people have only recently become aware of it, similar to the situation in the last few decades with global warming due to greenhouse gases. Microplastics are pollutants that are highly stable to complete biodegradation, and there is a high risk that they can enter the food chain (e.g. fish or agriculture products) because of the fact that secondary plastics (in principle, as small as monomers and oligomers) generated from the evolution of primary plastics (that directly spread in the environment) require more specific separation processes for their removal. In this review, firstly, we focus on the classification of microplastics and potential remediation technologies to be applied depending on their size. Secondly, membrane technologies (microfiltration, ultrafiltration and nanofiltration) are presented in the context of microplastics removal, revealing their suitability for the task and a future path of research and development to be carried out to mitigate the problem.

Graphical abstract: Microplastics in marine environment: a review on sources, classification, and potential remediation by membrane technology

Article information

Article type
Critical Review
Submitted
01 sep 2020
Accepted
15 nov 2020
First published
16 nov 2020

Environ. Sci.: Water Res. Technol., 2021,7, 243-258

Microplastics in marine environment: a review on sources, classification, and potential remediation by membrane technology

M. Malankowska, C. Echaide-Gorriz and J. Coronas, Environ. Sci.: Water Res. Technol., 2021, 7, 243 DOI: 10.1039/D0EW00802H

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