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Sustainable Solution for Plastic Pollution: Upcycling Waste Polypropylene Masks for Effective Oil-Spill Management
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Researchers synthesized an oil-sorbent pouch from waste polypropylene face masks using spin coating to create microporous and fibrous thin films, demonstrating effective oil-spill cleanup performance. Upcycling pandemic waste polypropylene into functional oil-absorbent materials addresses both the surge in mask waste and the environmental problem of plastic-derived microplastics.
The use of Polypropylene PP in disposable items such as face masks, gloves, and personal protective equipment has increased exponentially during and after the COVID-19 pandemic, contributing significantly to microplastics and nanoplastics in the environment. Upcycling of waste PP provides a useful alternative to traditional thermal and mechanical recycling techniques. It transforms waste PP into useful products, minimizing its impact on the environment. Herein, we synthesized an oil-sorbent pouch using waste PP, which comprises superposed microporous and fibrous thin films of PP using spin coating. The pouch exhibited super-fast uptake kinetics and reached its saturation in fewer than five minutes with a high oil uptake value of 85 g/g. Moreover, it displayed high reusability and was found to be effective in absorbing oil up to seven times when mechanically squeezed between each cycle, demonstrating robust oil-sorption capabilities. This approach offers a potential solution for managing plastic waste while promoting a circular economy.
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Non-Wettable Microporous Sheets Using Mixed Polyolefin Waste for Oil–Water Separation
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Not relevant to microplastics — this paper describes manufacturing non-wettable porous sheets from recycled polyethylene and polypropylene waste for oil-water separation, focusing on materials recycling rather than microplastic pollution.
Envelopes with microplastics generated from recycled plastic bags for crude oil sorption
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Researchers created envelopes filled with microplastics made from recycled plastic bags and tested them as sorbents for crude oil spill cleanup in marine environments. This innovative approach addresses two environmental problems simultaneously — marine oil pollution and plastic waste — by giving waste plastic a functional second use.
A novel investigations on medical and non-medical mask performance with influence of marine waste microplastics (polypropylene)
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This study used recycled marine microplastics made of polypropylene to manufacture face mask fabric through the melt-blown process. The researchers found they could produce effective masks while reusing ocean plastic waste, offering a way to address both microplastic pollution and mask demand. However, the long-term effects of wearing masks made from recycled microplastic materials on respiratory health need further study.
Review of the valorization options for the proper disposal of face masks during the COVID-19 pandemic
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Researchers reviewed waste management options for the surge in discarded polypropylene face masks during COVID-19, finding that improper disposal contributes directly to microplastic pollution, and proposing valorization strategies — including energy recovery and material upcycling — tailored to country-level infrastructure and emergency conditions.
Potential Microplastic Threat: Environmental Assessment of The Face Mask Pollution
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Researchers assessed the environmental threat posed by face masks discarded during the COVID-19 pandemic, finding that masks contain polypropylene fibers that can fragment into microplastics and persist in the environment. The study calls for better mask disposal strategies and environmental monitoring to track mask-derived microplastic pollution.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.