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Environmental Assessment of Asphaltic Wearing Course Containing Mixed Plastic Waste in Singapore
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Researchers conducted an environmental lifecycle assessment of an asphaltic wearing course incorporating mixed plastic waste in Singapore, evaluating trade-offs between diverting plastic from landfill and potential environmental impacts across the material's lifespan. Incorporating plastic waste into durable infrastructure like roads reduces the fraction available to degrade into environmental microplastics, offering a potential pollution-reduction strategy alongside traditional recycling.
Presently, the amount of plastic waste generated globally has doubled since the early 2000s yet the recycling rate for plastic waste remains below 10%. The accumulation of mixed plastic waste in municipal solid waste streams have spurred immense interest in recycling...
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Emission characteristics and microplastic generation in recycled waste plastic modified asphalt mixtures
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Researchers evaluated emissions from recycled waste plastic-modified asphalt mixtures using PET, HDPE, PP, and LDPE in India, finding particulate matter and pollutant fume levels comparable to conventional asphalt, minimal microplastic generation due to improved adhesion, but consistently unhealthy air quality index values exceeding 200 near mixing operations.
Suitability of Plastic Modified Asphalt Concrete (PMAC) in Sri Lankan Context
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This study evaluated the suitability of incorporating non-recyclable waste plastics — LDPE and BOPP — into asphalt concrete in Sri Lanka, testing performance characteristics and feasibility within local conditions. Incorporating plastic waste into road materials offers a potential diversion pathway that reduces the volume of plastic available to fragment into environmental microplastics, with implications for long-term pollution reduction.
Investigating the Potential Release of Microplastics from Recycled Plastic Modified Asphalt Pavement
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Researchers investigated whether microplastics are released from recycled plastic-modified asphalt pavement, examining the potential for road surfaces incorporating plastic waste to become a secondary source of microplastic pollution in surrounding environments.
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.