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Microplastics

2025

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Tiny plastic bits called microplastics are washing into our rivers and oceans from everyday sources like packaging waste, factory runoff, and city drainage systems. This review paper pulls together existing research on the health risks these particles pose and explores methods scientists are testing to filter them out of wastewater before they spread further. As microplastics increasingly turn up in our water and food supply, understanding how to remove them matters for protecting long-term public health.

Various lucrative industries like packaging, equipment for science and engineering, and healthcare make use of plastic on a large scale. Plastics can find their way to water bodies from freshwater runoffs, from drainage systems, industrial spillages, and urban and industrial discharges. Different hazardous effects of microplastics have been discussed, along with various studies carried out for the removal of microplastics from wastewater.

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This entry defines microplastics as small plastic pollutants encompassing any type of plastic fragment, establishing the foundational terminology for the field rather than presenting original research findings. The definition is significant because it captures the category-level nature of microplastic pollution — spanning all polymer types and size ranges — underscoring that solutions must be equally broad-spectrum to address the full scope of environmental and health impacts.

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