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Papers
61,005 resultsShowing papers similar to A Revision for the Different Reuses of Polyethylene Terephthalate (PET) Water Bottles
ClearSustainable Management of Microplastic Pollutions from PET Bottles: Overview and Mitigation Strategies
Researchers reviewed the environmental impact of PET bottle degradation and strategies for managing the resulting microplastic pollution. The study highlights that PET bottle usage continues to grow, and its breakdown releases low-molecular-weight compounds and microplastics, while outlining mitigation approaches including improved recycling and waste management practices.
A focused review on recycling and hydrolysis techniques of polyethylene terephthalate
This review examines techniques for recycling polyethylene terephthalate (PET), one of the most common plastics found as microplastic pollution. Chemical recycling through hydrolysis shows the most promise for breaking PET back into its original building blocks for reuse. Improving PET recycling is important because reducing plastic waste at the source is one of the most effective ways to decrease microplastic contamination in the environment.
Recycling Carbon Resources from Waste PET to Reduce Carbon Dioxide Emission: Carbonization Technology Review and Perspective
This review summarized carbonization technologies for converting waste PET plastic into valuable carbon materials, offering a strategy to reduce carbon dioxide emissions while recycling plastic resources in alignment with carbon neutrality goals.
Life cycle assessment of single-use and reusable plastic bottles in the city of Johannesburg
A life cycle assessment compared the environmental impact of single-use and reusable PET plastic water bottles in Johannesburg, South Africa. Reusable bottles had a lower overall environmental impact when used multiple times, but manufacturing and end-of-life disposal still carry significant costs. The study provides guidance for improving plastic bottle policies in South Africa.
Experimentation of Evaporation Suppression by Various Plastic Bottles Coverage Area
Researchers tested whether covering reservoir surfaces with recycled PET drinking bottles could reduce water evaporation. The bottles provided meaningful coverage and reduced evaporation, suggesting a dual-purpose use for plastic waste that could both manage water resources and reduce plastic disposal in landfills.
Application of Infrared Pyrolysis and Chemical Post-Activation in the Conversion of Polyethylene Terephthalate Waste into Porous Carbons for Water Purification
Researchers compared methods for converting polyethylene terephthalate waste into porous carbon materials for water purification using pyrolysis and chemical activation with KOH. The study demonstrates that PET plastic waste can be repurposed into effective water treatment materials, offering a dual benefit of waste reduction and clean water production.
Mitigating Microplastic Contamination: Evaluating PET Water Bottles and the Role of PLA Plant-Based Bottles in a Circular Economy for Reduced CO2 Emissions
This study examined microplastic contamination from PET water bottles and evaluated polylactic acid as a sustainable alternative, finding that PLA bottles released fewer MPs and represented a more environmentally compatible packaging option within a circular economy framework.
Lightweight carbon foam obtained from post-use polyethylene terephthalate bottles, properties, and potential applications
Researchers synthesized lightweight carbon foam from post-consumer PET plastic bottles via a controlled carbonization process, characterizing the foam's physical and chemical properties and exploring its potential as a value-added material from plastic waste recycling.
Global Bottled Water Industry: A Review of Impacts and Trends
This review assessed the global bottled water industry's environmental and social impacts, examining trends in consumption, plastic waste generation, and the implications for water resource management and sustainability.
Sources of Microplastic Contamination in PET Bottled Drinking Water: A Life Cycle Perspective
This study traces the sources of microplastic contamination in PET bottled drinking water across the product life cycle, identifying raw pellet spillage during shipping, manufacturing processes, bottle filling and capping operations, and bottle reuse as successive contamination pathways.
Lightweight Carbon Foam obtained from post-use Polyehylene Terephthalate bottles and potential applications
Researchers developed a lightweight carbon foam from post-consumer PET bottles through carbonization, demonstrating a viable way to upcycle plastic waste into a valuable material with potential applications in filtration and thermal insulation.
A Comparative Study About the Amount of Microplastic in Polyethylene Terephtalate (pet) Drinking Water That Was Exposed and Not Exposed by Sun at Environmental Health Laboratory of Poltekkes Kemenkes Semarang at the Year 2020
Researchers compared the amount of microplastics released from different brands and conditions of PET water bottles, finding that UV exposure and bottle age affect how many particles leach into the water. This study highlights bottled water as a direct route of microplastic ingestion for consumers.
Advances in Polyethylene Terephthalate Beverage Bottle Optimization: A Mini Review
This review examines advances in the optimization of polyethylene terephthalate (PET) beverage bottles across three dimensions: material formulation, structural design, and manufacturing process improvements. Researchers found that recent innovations focus on barrier enhancement, weight reduction, and recyclability while maintaining the transparency, mechanical strength, and food safety properties that make PET dominant in beverage packaging.
Strategies for Electrochemical Recycling of Plastic Polyethylene Terephthalate‐Derived Ethylene Glycol Into High‐Value Chemicals
This paper reviews new methods for recycling PET plastic waste, the most common plastic in bottles and packaging, using electricity from renewable sources. By converting PET-derived chemicals into high-value products through electrocatalysis, this approach could help reduce both plastic pollution and microplastic contamination in the environment.
Beverage bottle capacity, packaging efficiency, and the potential for plastic waste reduction
Researchers analyzed the relationship between plastic bottle size and the amount of plastic used per unit of beverage, finding that medium-sized bottles waste the most plastic per liter and that shifting American consumers toward larger bottles could cut PET plastic waste by over 10,000 tons per year.
Research progress on chemical depolymerization and upcycling of PET waste plastics
This review examines recent advances in chemical methods for breaking down polyethylene terephthalate (PET) waste plastics into useful raw materials. Researchers surveyed techniques including glycolysis, methanolysis, hydrolysis, and aminolysis that can convert PET back into monomers for reuse. The study highlights chemical depolymerization as a promising approach to reduce plastic pollution while recovering valuable materials from waste.
Processing System for Plastic Bottle to Obtain Polyethylene Terephthalate Filament in 3D Printers
Researchers developed a processing system to convert waste PET plastic bottles into filament suitable for 3D printers, addressing low plastic recycling rates in Peru and offering a practical approach to reducing PET contamination in terrestrial, marine, and climatic ecosystems.
The Effect of Different Storage Conditions for Refilled Plastic Drink Bottles on the Concentration of Microplastic Release in Water
Researchers investigated microplastic release from reused plastic water bottles under different storage conditions and timeframes, finding that bottle reuse and prolonged storage increase the concentration of microplastics released into the contained water.
Upcycling Waste PET into Functional Multiblock Copolymers through Controlled Macromolecular Design
Scientists found a new way to recycle plastic water bottles (PET) by breaking them down and rebuilding them into stronger, more flexible materials that could replace regular plastics in many products. This recycling method creates materials that are just as strong as original plastic but stretch much better without breaking, making them more useful and durable. This breakthrough could help reduce plastic waste while creating better materials, though more research is needed to understand any health effects of these recycled plastics.
Catalytic Amounts of an Antibacterial Monomer Enable the Upcycling of Poly(Ethylene Terephthalate) Waste
Scientists developed a new method to recycle PET plastic waste (commonly used in bottles) into high-value antibacterial material using only small amounts of a special monomer. This approach addresses both plastic pollution and the need for antimicrobial materials, while avoiding the biotoxicity problems of traditional metal-based antibacterial agents. The technique represents a promising way to upcycle plastic waste rather than simply discarding it.
Implementing a sustainability approach by converting plastic bottle waste from a mischievous substance to a beneficial material by means of zero residue level concept
This study repurposed PET plastic bottles — a major source of microplastic pollution — into activated carbon using phosphoric acid activation, producing a high-surface-area material effective for water treatment and demonstrating a zero-waste approach to plastic valorization.
Process parameter optimization for waste polyethylene terephthalate bottle depolymerization using neutral hydrolysis
Researchers optimized process parameters for the neutral hydrolysis depolymerization of waste polyethylene terephthalate (PET) bottles as a chemical recycling strategy to address growing plastic waste accumulation in landfills. The study identified key conditions that improve depolymerization efficiency, offering a pathway to recover high-quality monomers from post-consumer PET.
Experimentation of Evaporation Reduction by a Use of Plastic Bottles Covering
This paper is not about microplastics; it tests the use of floating PET plastic bottles to reduce water evaporation from reservoirs, examining different opacities and coverage patterns.
An Empirical Investigation on Plastic Waste Issues and Plastic Disposal Strategies to Protect the Environment: A UAE Perspective
An empirical investigation into plastic waste management in a developing country context found that rising volumes of plastic water bottles and single-use items are overwhelming municipal waste systems. The study documents disposal strategies used in practice and identifies infrastructure and policy gaps limiting effective plastic waste management.