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61,005 resultsShowing papers similar to Recent Progress in Low-Cost Catalysts for Pyrolysis of Plastic Waste to Fuels
ClearThermal and catalytic pyrolysis of a real mixture of post-consumer plastic waste: An analysis of the gasoline-range product
Researchers performed thermal and catalytic pyrolysis on real post-consumer plastic waste mixtures using various catalysts, finding that polymer type strongly influenced gas, liquid, and char yields, and that zeolite catalysts produced gasoline-range hydrocarbon liquids with commercially viable compositions from mixed plastic feedstocks.
Impact of Metal Impregnation of Commercial Zeolites in the Catalytic Pyrolysis of Real Mixture of Post-Consumer Plastic Waste
This study tested the catalytic pyrolysis of real mixed post-consumer plastic waste using metal-impregnated commercial zeolites, finding that metal loading significantly influenced product yields and selectivity toward fuel-range hydrocarbons.
Kinetic Analysis for the Catalytic Pyrolysis of Polypropylene over Low Cost Mineral Catalysts
This study analyzed the thermal decomposition kinetics of polypropylene plastic with different low-cost natural catalysts, finding that certain clay and zeolite-based catalysts significantly lowered the temperature needed to break down the polymer. Catalytic pyrolysis could be a practical approach for converting waste plastic into useful fuel oils, helping reduce the plastic waste that generates microplastic contamination.
Recent developments in catalytic materials and reactors for the catalytic pyrolysis of plastic waste into hydrogen: a critical review with a focus on the circular economy
This review examines recent developments in catalytic materials and reactor designs for converting plastic waste into hydrogen through pyrolysis. The study discusses how catalyst-assisted pyrolysis can transform plastic waste into valuable hydrogen fuel, contributing to circular economy goals while addressing the growing plastic pollution problem.
Catalytic pyrolysis of mixed plastic wastes using commercial grade kaolin and Ukpor clay from Nigeria
Researchers used local clay materials from Nigeria as low-cost catalysts to convert mixed plastic waste into liquid fuel through pyrolysis. The study demonstrates that waste plastic can be transformed into usable fuel using affordable, locally available materials — a practical recycling approach for developing regions.
Advancements in catalysis for plastic resource utilization
This review examines catalytic strategies for converting plastic waste into value-added products and fuels, addressing how catalysis can improve the efficiency and selectivity of plastic valorization processes. The findings point to catalysis as essential for making plastic recycling and upcycling economically viable.
Towards fuels production by a catalytic pyrolysis of a real mixture of post-consumer plastic waste
Researchers tested in-situ catalytic pyrolysis of a real mixed post-consumer plastic waste stream from mechanical-biological treatment facilities, producing a liquid fuel fraction with properties comparable to gasoline, kerosene, and diesel.
Catalytic pyrolysis of waste polypropylene using low-cost natural catalysts
Researchers tested three low-cost natural minerals — kaolin, hematite, and white sand — as catalysts for converting waste polypropylene plastic into fuel oil through a heating process called pyrolysis. Kaolin performed best, boosting oil yield to over 80% and producing higher-quality lighter oils at a cost of just $0.28 per kilogram, offering a cheap way to turn plastic waste into usable fuel.
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.
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.
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.
Liquid fuel production from catalytic pyrolysis of municipal plastic waste using synthesized Zeolite from Kaolin
This paper is not relevant to microplastics research — it evaluates a catalytic pyrolysis process using zeolite from kaolin to convert municipal plastic waste into liquid fuel as an alternative energy source.
Transformation of Single‐Use Plastics into Lighter Hydrocarbons via an Economical Coal Fly Ash based Zeolite Catalyst
This study is not directly about microplastics — it focuses on using coal fly ash-derived zeolite catalysts to break down single-use plastic waste (LDPE) into lighter hydrocarbons via pyrolysis, a chemical recycling approach.
The Present and the Future of Polyethylene Pyrolysis
This review examines the pyrolysis of polyethylene as a waste-to-energy strategy, discussing how key process parameters — temperature, catalyst type, and agitation — influence the yield and quality of liquid oils, fuel gases, and solid chars produced from non-biodegradable petroleum-based plastic waste.
Production of combustible fuels and carbon nanotubes from plastic wastes using an in-situ catalytic microwave pyrolysis process
Researchers developed an in-situ catalytic microwave pyrolysis process using ZSM-5 catalyst to convert plastic waste into hydrogen, liquid fuel, and carbon nanotubes, demonstrating a promising route for both energy recovery and valuable material production from plastic pollution.
Acidic Site-Controlled ZSM-5 Catalysts for Fast Molten-Phase Pyrolysis of Plastic Waste with Tunable Product Distribution
Researchers synthesized ZSM-5 zeolite catalysts with tunable acidity for converting plastic waste into useful fuels through catalytic pyrolysis. The optimized catalyst achieved nearly 100% conversion of high-density polyethylene at 450 degrees Celsius in just 19 minutes, with controllable product distribution between oils and gases. The study provides insights for designing efficient catalysts that could help address both plastic waste accumulation and energy recovery.
Economic feasibility of catalytic cracking of polymer waste for fuel production
This study analyzed the economic feasibility of catalytic cracking of polyethylene and polypropylene plastic waste to produce liquid fuel, finding that the process can be cost-competitive under certain conditions. Converting plastic waste into fuel reduces the amount that degrades into microplastics in the environment while generating economic value.
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.
A Comprehensive Review on the Thermochemical Treatment of Plastic Waste to Produce High Value Products for Different Applications
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.
Hydrothermal carbonization of plastic waste: A review of its potential in alternative energy applications
Researchers reviewed how hydrothermal carbonization — a process that converts materials into a coal-like substance using heat and water under pressure — can transform plastic waste into useful products like solid fuels, catalysts, and materials for energy storage devices. While the technology is promising, challenges like variable plastic feedstock quality and scaling up production must be addressed before widespread commercial use.
A Review on Biofuels and Chemicals Production by Co-pyrolysis of Solid Biomass Feedstocks and Non-degradable Plastics
This review examines co-pyrolysis processes that convert mixtures of plastic waste and solid biomass into fuels and chemical products. Co-pyrolysis offers a way to valorize plastic waste that would otherwise break down into microplastics in the environment, while also producing usable energy.
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.
Hydrocarbon Fractions from Thermolysis of Waste Plastics as Components of Engine Fuels
Researchers developed a thermolysis process to convert mixed plastic waste into liquid hydrocarbon fractions suitable for use as fuel additives. The process produced fuels with properties comparable to diesel components. Converting plastic waste into fuel is one approach to reducing the volume of plastic that ends up in the environment as microplastic pollution.
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.