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61,005 resultsShowing papers similar to Pyrolysis of Polyethylene Terephthalate over Carbon-Supported Pd Catalyst
ClearКАТАЛІТИЧНИЙ ПІРОЛІЗ ВІДХОДІВ ПОЛІЕТИЛЕНУ ВИСОКОЇ ЩІЛЬНОСТІ: ФАЗОВИЙ РОЗПОДІЛ ПРОДУКТІВ І ХІМІЧНИЙ СКЛАД
This Ukrainian study examined catalytic pyrolysis of high-density polyethylene plastic waste using various catalysts, finding that catalyst choice strongly controls the composition and proportion of gas, liquid, and solid products. The research frames plastic pyrolysis as a strategy to prevent plastic waste from fragmenting into environmental microplastics by converting it into useful fuel products instead. Identifying optimal catalyst conditions is a step toward practical industrial-scale plastic-to-fuel conversion.
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.
Thermal 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.
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.
Functional use of CO2 to mitigate the formation of bisphenol A in catalytic pyrolysis of polycarbonate
Researchers developed an environmentally sound pyrolysis method using CO2 to reduce bisphenol A formation during the thermal treatment of polycarbonate plastic waste, offering a safer approach to plastic waste valorization.
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.
Single-Step Electrochemical Upcycling of PET: Waste to Value-Added Chemicals, Oral Presentation
Researchers developed a single-step electrochemical method to upcycle PET plastic waste into value-added chemicals and organic materials, targeting the over 70% of plastic that ends up in landfills or oceans where it breaks down into microplastics.
Electrocatalytic upcycling of polyethylene terephthalate to commodity chemicals and H2 fuel
Researchers developed an electrocatalytic process that breaks down waste PET plastic (the kind used in water bottles) into valuable chemicals and clean hydrogen fuel using a specially designed nickel-cobalt catalyst. The process achieved high efficiency at industrial-scale current densities, offering a potentially profitable way to recycle plastic waste into useful products.
Recent Progress in Low-Cost Catalysts for Pyrolysis of Plastic Waste to Fuels
This review evaluated low-cost catalysts — including zeolites, clays, and bimetallic materials — for the pyrolytic conversion of plastic waste into fuel, comparing their effects on product yield and quality and highlighting promising candidates for scaling up plastic-to-fuel processes.
Two Stages Thermal and Catalytic Cracking of Polyethylene Terephthalate to Fuel Production
This study examined two-stage thermal and catalytic cracking of PET plastic to produce fuel, finding that combining thermal and catalytic processes improves fuel yield. Converting waste PET into fuel is one approach to managing plastic waste that might otherwise fragment into microplastics in the environment.
High-selective platinum and palladium capture using polyamide 6: A potent material for platinum group metals’ recovery from spent car catalytic converter
Researchers demonstrated that polyamide 6 — a common microplastic pollutant — can selectively recover platinum and palladium from solution at rates of roughly 90% and 70% respectively without chemical modification, suggesting a dual-purpose approach that recycles a plastic waste material while recovering scarce precious metals from spent catalytic converters.
Comparsion of Catalyst Effectiveness in Different Chemical Depolymerization Methods of Poly(ethylene terephthalate)
This review compares the effectiveness of different catalysts used in chemical recycling methods for polyethylene terephthalate (PET) plastic. The study covers hydrolysis, methanolysis, glycolysis, and other depolymerization approaches, comparing key process parameters like temperature, reaction time, and yields to help identify the most efficient PET recycling strategies.
Enhancement of photodegradation of polyethylene with adsorbed polycyclic aromatic hydrocarbons under artificial sunlight irradiation
Researchers showed that polycyclic aromatic hydrocarbons (PAHs) adsorbed onto polyethylene plastic act as photocatalysts that accelerate the photodegradation of the plastic in marine environments, increasing microplastic production from plastic waste contaminated with hydrophobic organic pollutants.
Optimisation of Process Parameters to Maximise the Oil Yield from Pyrolysis of Mixed Waste Plastics
Researchers optimized the process parameters for thermal pyrolysis of mixed waste plastics to maximize oil yield from HDPE, polypropylene, and polystyrene. The study used response surface methodology to identify ideal conditions for converting plastic waste into pyrolytic oil, supporting chemical recycling as a strategy to reduce plastic pollution.
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.
Online TG-FTIR-MS analysis of the catalytic pyrolysis of polyethylene and polyvinyl chloride microplastics
Researchers used online thermogravimetry-FTIR-mass spectrometry to track the catalytic pyrolysis of polyethylene and polyvinyl chloride microplastics with an iron-aluminum oxide catalyst. The study found that the catalyst promoted conversion of plastic waste into useful carbon products and aromatic compounds while significantly reducing harmful chlorine-containing byproducts from PVC pyrolysis.
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.
Recent advances in catalytic hydrogenolysis of polyester
This review summarises a decade of research into chemically recycling polyester plastic waste (especially PET) by breaking its polymer chains using hydrogen gas — a process called hydrogenolysis — to recover valuable chemical building blocks. Different catalysts allow scientists to target different chemical bonds in PET, yielding products like aromatic hydrocarbons, glycols, or terephthalic acid under varying conditions. Developing efficient chemical recycling pathways is directly relevant to reducing plastic waste and the microplastic pollution that results from improperly disposed plastics.
Pyrolysis kinetic modelling of abundant plastic waste (PET) and in-situ emission monitoring
Researchers studied the chemical breakdown of PET plastic — the material in water bottles — using a process called pyrolysis (heating without oxygen) and tracked the gases released in real time. Their precise kinetic data on how PET decomposes could help design better plastic recycling reactors as the world moves away from fossil fuels.
Comprehensive Kinetic Study of PET Pyrolysis Using TGA
Researchers conducted a comprehensive kinetic study of PET plastic pyrolysis using thermogravimetric analysis at multiple heating rates, determining activation energies and reaction mechanisms that inform waste-to-fuel conversion processes.
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.
Comparison of Chemical and Thermal Oxidation Stabilization Influence on Pyrolytic Char Formation from PE and PVC Plastic Wastes
Researchers compared sulfonation and thermal oxidation stabilisation techniques for converting polyethylene (PE) and polyvinyl chloride (PVC) plastic waste into pyrolytic char, a valuable industrial byproduct. Results showed that sulfonation yielded higher char formation rates than thermal oxidation, offering a more efficient pathway for closing the plastic waste lifecycle through carbonisation.
Study on Thermal Degradation Processes of Polyethylene Terephthalate Microplastics Using the Kinetics and Artificial Neural Networks Models
Researchers studied the thermal degradation kinetics of PET microplastics using model-free and model-fitting methods alongside artificial neural networks, providing key parameters for optimizing pyrolysis-based recycling of plastic waste.
Photocatalytic upcycling of PET into methane, hydrogen and high-value liquid products
Researchers demonstrated that platinum-loaded P25 TiO2 photocatalyst can upcycle PET microplastics into hydrogen (15.35 μmol/h), methane, and high-value liquid products including acetic acid and formic acid, with reaction temperature and co-catalyst composition controlling product selectivity.