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Papers
20 resultsShowing papers similar to Life Cycle Assessment (LCA) and Environmental Impacts Towards Plastic Waste by Using Pyrolysis
ClearEnvironmental Evaluation of Chemical Plastic Waste Recycling: A Life Cycle Assessment Approach
This paper is not relevant to microplastics research; it performs a life cycle assessment of chemical recycling of plastic waste via pyrolysis in Spain, concluding the process produces lower carbon emissions than fossil diesel, but the focus is on industrial energy recovery rather than microplastic environmental impacts.
Pyrolysis as a value added method for plastic waste management: A review on converting LDPE and HDPE waste into fuel
This review examined pyrolysis as a method to convert low-density and high-density polyethylene plastic waste into fuel, summarizing process parameters, product yields, and fuel quality. Pyrolysis can transform otherwise unrecyclable plastic into diesel-like hydrocarbon fuels. The technology offers a potential solution for managing polyethylene waste while generating energy from materials that would otherwise persist in the environment.
Techno-Economic Review of Pyrolysis and Gasification Plants for Thermochemical Recovery of Plastic Waste and Economic Viability Assessment of Small-Scale Implementation
This review evaluates the technical and economic viability of pyrolysis and gasification for converting plastic waste into fuel, finding that small-scale implementation faces significant cost challenges. Converting plastic waste into fuel reduces the amount available to degrade into microplastics in the environment, but economic barriers limit widespread adoption.
Pyrolysis as a value added method for plastic waste management: A review on converting LDPE and HDPE waste into fuel
This review focuses on pyrolysis as a method to convert waste LDPE and HDPE plastics into liquid fuel, summarizing reactor types, catalysts, and the factors influencing fuel yield and quality. While not about microplastics directly, it addresses the upstream problem of plastic waste accumulation — particularly the conversion of plastics that would otherwise persist in the environment and fragment into microplastics — into usable energy resources.
Review and Design Overview of Plastic Waste-to-Pyrolysis Oil Conversion with Implications on the Energy Transition
This review analyzes the process of converting plastic waste into usable oil through pyrolysis, a thermal breakdown process conducted without oxygen. Researchers found that plastic waste has energy content comparable to conventional fuel oil, making pyrolysis an attractive waste-management and energy-recovery option. The study discusses the technical design considerations and suggests that scaling up this technology could contribute to both reducing plastic pollution and supporting the energy transition.
A State-of-the-Art Review on the Technological Advancements for the Sustainable Management of Plastic Waste in Consort with the Generation of Energy and Value-Added Chemicals
This review examined technological advances for converting plastic waste into energy and value-added chemicals, covering pyrolysis, gasification, and catalytic processes as sustainable alternatives to landfilling, given that global plastic waste generation reached approximately 380 million tonnes in 2022.
Comprehensive Assessment of Thermochemical Processes for Sustainable Waste Management and Resource Recovery
This review evaluates thermochemical technologies such as pyrolysis, gasification, and liquefaction for converting waste materials, including plastics, into useful chemicals and fuels. Researchers compared the processes based on energy efficiency, product quality, and environmental impact. The study aims to guide the selection of the most appropriate waste-to-value technology for different materials as part of a circular economy approach.
Environmental Impact Assessment of Plastic Waste Management Scenarios in the Canadian Context
Using life cycle assessment, this Canadian study compared current plastic waste management against two alternative scenarios and found that shifting away from landfill-dominated disposal could significantly cut environmental impacts including greenhouse gas emissions. The findings underscore that how we manage plastic waste matters as much as how much plastic we produce, with implications for future policy.
Rescuing the Environment: Turning (Micro)plastics into Energy Through Gasification
This review examines how plastic waste could be converted to energy through gasification, potentially reducing the amount of plastic entering waterways as microplastics. Converting plastic waste to gas or fuel is presented as one strategy for managing the large global plastic waste burden.
Reimagining plastics waste as energy solutions: challenges and opportunities
This review examines the potential of converting plastic waste into energy through waste-to-energy and waste-to-fuel technologies, particularly in developing nations where recycling infrastructure is limited. Researchers assessed various conversion methods including pyrolysis and gasification, evaluating their efficiency and environmental trade-offs. The study emphasizes that energy recovery from plastic waste could help address both the growing plastic pollution crisis and energy needs in underserved regions.
Perspectives on Thermochemical Recycling of End-of-Life Plastic Wastes to Alternative Fuels
This review examined thermochemical recycling technologies including pyrolysis, liquefaction, and gasification for converting plastic waste into clean fuels, discussing operating principles, barriers, and the potential for co-processing plastics with biomass.
Controlled Combustion and Pyrolysis of Waste Plastics: A Comparison Based on Human Health Risk Assessment
Researchers compared controlled combustion and pyrolysis of waste plastics using human health risk assessment, evaluating emissions and hazardous byproducts from both thermal conversion processes to determine which approach poses lower health risks.
Recent Progresses in Pyrolysis of Plastic Packaging Wastes and Biomass Materials for Conversion of High-Value Carbons: A Review
This review examines pyrolysis of plastic packaging waste and biomass materials as routes to fuel and chemical recovery, comparing process conditions, product yields, and co-pyrolysis synergies. The authors find that blending plastics with biomass can improve fuel quality and reduce char formation, advancing the case for mixed-feedstock pyrolysis systems.
The capabilities and deficiencies of life cycle assessment to address the plastic problem
This review critically evaluates the capabilities and limitations of life cycle assessment (LCA) as a tool for understanding the full environmental impacts of plastics across their supply chain, from production through end-of-life disposal. The authors argue that LCA can contextualize plastic impacts relative to alternative materials and reveal invisible environmental costs throughout the plastic life cycle, while also identifying key deficiencies in current LCA methodology for addressing plastic pollution.
Assessing the environmental footprint of recycled plastic pellets: A life-cycle assessment perspective
This study used life-cycle assessment to evaluate the environmental impact of producing recycled plastic pellets from waste polyolefin plastics. While recycling reduced carbon emissions compared to making new plastic, the process still required significant energy, especially when solvent recovery was maximized. The research is relevant to the microplastics problem because it shows that even recycling processes need optimization to truly reduce the environmental footprint of plastic waste.
Determination of the Hazard of Plastic Waste for Investigation of the Possibility of Their Utilization by Thermal Methods
This study assessed the chemical hazards of plastic waste components to evaluate whether thermal treatment (such as incineration or pyrolysis) could safely process them. Understanding the toxic chemicals released during plastic waste disposal is important for minimizing environmental contamination from plastic waste management.
Recycling of Plastics as a Strategy to Reduce Life Cycle GHG Emission, Microplastics and Resource Depletion
This study quantified the environmental benefits of recycling widely consumed plastic polymers, demonstrating that increased plastic recycling significantly reduces life cycle greenhouse gas emissions, microplastic pollution, and resource depletion.
Harnessing Pyrolysis for Industrial Energy Autonomy and Sustainable Waste Management
Researchers designed a small-scale pyrolysis system that converts plastic waste into synthetic oil for industrial energy generation. The proposed unit processes 360 tons of plastic waste yearly to produce fuel capable of generating 500 MWh of electricity, with a total investment cost of approximately EUR 41,000 and potential annual revenue of up to EUR 45,000.
Application of Slow Pyrolysis to Convert Waste Plastics from a Compost-Reject Stream into Py-Char
Researchers investigated converting non-recyclable plastics from compost waste streams into pyrolysis char using slow pyrolysis, finding this approach feasible for removing end-of-life plastics from environmental circulation. The process creates a useful byproduct while addressing a persistent source of environmental plastic contamination.
Sustainable Management of Organic Waste and Recycling for Bioplastics: A LCA Approach for the Italian Case Study
Researchers used life cycle assessment to evaluate the environmental trade-offs of collecting organic waste for biodegradable plastic production in Italy, finding that the system could reduce fossil resource use but that impacts depended heavily on collection efficiency and the end-of-life pathway chosen.