We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Turning plastics/microplastics into valuable resources? Current and potential research for future applications
AI summary Read the abstract
This review summarizes existing research on ways to convert plastic and microplastic waste into useful products, including battery components, 3D printing materials, and fuels. Innovative recycling techniques like induction-heated pyrolysis show promise for more efficient plastic processing. While the focus is on recycling solutions rather than health effects, reducing the amount of plastic waste that breaks down into microplastics in the environment would lower human exposure over time.
Plastics are a wide range of synthetic or semi-synthetic materials, mainly consisting of polymers. The use of plastics has increased to over 300 million metric tonnes in recent years, and by 2050, it is expected to grow to 800 million. Presently, a mere 10% of plastic waste is recycled, with approximately 75% ended up in landfills. Inappropriate disposal of plastic waste into the environment poses a threat to human lives and marine species. Therefore, this review article highlights potential routes for converting plastic/microplastic waste into valuable resources to promote a greener and more sustainable environment. The literature review revealed that plastics/microplastics (P/MP) could be recycled or upcycled into various products or materials via several innovative processes. For example, P/MP are recycled and utilized as anodes in lithium-ion (Li-ion) and sodium-ion (Na-ion) batteries. The anode in Na-ion batteries comprising PP carbon powder exhibits a high reversible capacity of ∼340 mAh/g at 0.01 A/g current state. In contrast, integrating FeO and PE into a Li-ion battery yielded an excellent capacity of 1123 mAh/g at 0.5 A/g current state. Additionally, recycled Nylon displayed high physical and mechanical properties necessary for excellent application as 3D printing material. Induction heating is considered a revolutionary pyrolysis technique with improved yield, efficiency, and lower energy utilization. Overall, P/MPs are highlighted as abundant resources for the sustainable production of valuable products and materials such as batteries, nanomaterials, graphene, and membranes for future applications.
More Papers Like This
Recovery of plastic waste through its thermochemical degradation: a review
AI summary Read the abstract
This review examines pyrolysis as a promising technology for recovering valuable chemical compounds from plastic waste, which reached approximately 368 million tons of global production in 2020 alone. Researchers discuss how thermal and catalytic degradation can convert different types of thermoplastics into high-energy-value products. The study also highlights the environmental and health impacts of plastic accumulation, including the effects of microplastic consumption on human and animal health.
A Comprehensive Review on the Thermochemical Treatment of Plastic Waste to Produce High Value Products for Different Applications
AI summary Read the abstract
This review summarizes methods for converting plastic waste into valuable products using high-temperature chemical processes like pyrolysis and plasma technology. These approaches can produce hydrogen fuel, carbon nanotubes, and other useful materials from plastic that would otherwise become pollution. Reducing plastic waste through better recycling technology is important because most microplastic pollution originates from improperly managed plastic products.
Recent advances in catalytic technologies for plastic conversion: a review
AI summary Read the abstract
This review paper rounds up the latest science on turning plastic waste into useful fuels and chemicals using special catalysts, think of it as recycling plastic at the molecular level instead of just melting it down. While this isn't directly about microplastics in your body, better plastic-conversion technology could mean less plastic waste sitting around breaking down into the microplastics that end up in our water, food, and eventually our bloodstreams. The bigger picture: fewer plastics discarded in landfills or oceans means fewer opportunities for them to fragment into the tiny particles scientists are increasingly linking to health concerns.
Electrothermal Strategies for Upcycling Commodity Plastics
AI summary Read the abstract
This review paper looks at new ways to use electricity (instead of dirty, energy-intensive burning) to break down plastic waste into reusable materials, comparing four different methods to see which work best. The researchers found that one method, called induction heating, stood out for reliably turning real-world mixed plastic waste into valuable products—an important step toward reducing plastic pollution that would otherwise end up in landfills, oceans, and eventually breaking down into microplastics that contaminate our food and water. While still in development, technologies like this could eventually mean less plastic waste piling up and less of it fragmenting into the tiny particles now being found in
Upcycling of waste plastics: strategies, status-quo, and prospects
AI summary Read the abstract
This review examines strategies for upcycling waste plastics into valuable products as an alternative to landfilling and incineration, which generate microplastics and carbon emissions respectively. Researchers survey chemical recycling methods including pyrolysis, gasification, and catalytic processes that can convert common plastics like PET, polyethylene, and polystyrene into fuels, chemicals, and new materials. The study highlights the urgent need for more effective recycling technologies to address the growing gap between plastic production and waste management capacity.
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.