We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Papers
61,005 resultsShowing papers similar to Mixed Plastic Waste Gasification in a Large Pilot-Scale Fluidized Bed Reactor Operated with Oxygen-Enriched Air and Steam
ClearRescuing 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.
Solid Waste Gasification: Comparison of Single- and Multi-Staged Reactors
This study compared single-stage and multi-stage gasification reactors for converting municipal solid waste — including plastic waste — into energy. Better plastic waste-to-energy technologies could reduce the volume of plastic that enters landfills and the environment, helping limit the generation of microplastics.
Direct numerical simulations of polypropylene gasification in supercritical water
This paper is not about microplastics; it uses computational fluid dynamics simulations to study the gasification of polypropylene plastic waste in supercritical water as a potential waste-treatment technology.
Recovery of gaseous fuels through CO2-mediated pyrolysis of thermosetting polymer waste
This study examined CO2-assisted pyrolysis as a method to recover gaseous fuels from mixed plastic waste, testing how CO2 atmosphere affects product yields and composition. The approach offers a potential chemical recycling route that reduces reliance on fossil fuel feedstocks.
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.
Hydrothermal liquefaction of plastics: a survey of the effect of reaction conditions on the reaction efficiency
This review summarizes how hydrothermal liquefaction, a process that uses hot pressurized water, can be used to chemically recycle waste plastics. Researchers examined how different reaction conditions affect the efficiency of breaking down plastics into useful products. The study suggests that this technique holds promise as a practical approach to addressing the global plastic waste crisis.
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.
Thermal oxo-degradation of plastic wastes to valuable compounds
Researchers advanced thermal oxo-degradation as an alternative to conventional pyrolysis for plastic waste upcycling, demonstrating that introducing air into the thermal reaction accelerates depolymerization of high-density polyethylene and polypropylene while maintaining energy-dense condensable product yields.
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.
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.
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.
Plastic pyrolysis over HZSM-5 zeolite and fluid catalytic cracking catalyst under ultra-fast heating
Researchers demonstrated that using induction heating — a fast, energy-efficient method — with catalysts can fully break down polyethylene and polypropylene plastics within 10 minutes, converting them into useful gases and liquid chemicals, offering a more economically viable recycling pathway than conventional plastic pyrolysis.
Polyurethane Foam Waste Upcycling into an Efficient and Low Pollutant Gasification Syngas
Researchers modeled the gasification of polyurethane foam waste under various conditions, finding that optimized thermochemical treatment can convert this common polymer waste into hydrogen-rich syngas with low pollutant output, offering a viable energy recovery pathway for difficult-to-recycle plastic foam materials.
Materials challenges and opportunities to address growing micro/nanoplastics pollution: a review of thermochemical upcycling
This review examined thermochemical upcycling technologies including pyrolysis, gasification, and liquefaction as approaches to valorize micro- and nanoplastic waste, assessing the material challenges and opportunities for converting environmental plastic pollution into useful fuels or chemical feedstocks.
Insights into hydro thermal gasification process of microplastic polyethylene via reactive molecular dynamics simulations
Researchers used molecular dynamics simulations to study the hydrothermal gasification process of polyethylene microplastics. The study found that temperature and water content significantly affect carbon conversion efficiency and product distribution, providing insights that could help optimize this technology for converting microplastic waste into useful syngas.
Hydrogen production from plastic waste: A comprehensive simulation and machine learning study
Researchers used computer simulations and machine learning to optimize hydrogen production from polystyrene and polypropylene plastic waste through gasification. They found that increasing the gasification temperature up to 900 degrees Celsius significantly boosted hydrogen output, while higher pressures reduced production. The study demonstrates that converting plastic waste into hydrogen fuel could be an efficient way to address both energy needs and plastic pollution.
A Critical Review of SCWG in the Context of Available Gasification Technologies for Plastic Waste
This review critically assessed supercritical water gasification (SCWG) in the context of available plastic waste gasification technologies, evaluating thermochemical conversion efficiency, product gas composition, and scalability challenges compared to conventional pyrolysis and gasification methods for non-recyclable plastic end-of-life management.
Co-Pyrolysis of Plastic Waste and Lignin: A Pathway for Enhanced Hydrocarbon Recovery
Researchers investigated co-pyrolysis of plastic waste (polypropylene, polyethylene) with lignin biomass at various ratios and temperatures to recover valuable hydrocarbons. They found that mixing plastics with lignin enhanced the recovery of higher-value chemical products, with the best results at 600 degrees Celsius using polyethylene-lignin mixtures. The study demonstrates a pathway for converting both plastic and biomass waste into useful chemical feedstocks, potentially reducing plastic pollution.
Maximizing olefin production via steam cracking of distilled pyrolysis oils from difficult-to-recycle municipal plastic waste and marine litter
Researchers analyzed distilled pyrolysis oils from mixed municipal plastic waste and sea-bottom marine litter using two-dimensional gas chromatography and mass spectrometry, finding that the waste-derived naphtha fractions yielded fewer light olefins than fossil naphtha during steam cracking and that mild upgrading or dilution with fossil feedstocks would make them industrially viable.
Catalytic hydrocracking of synthetic polymers into grid-compatible gas streams
Catalytic hydrocracking of common synthetic polymers including polyethylene and polypropylene was shown to produce methane-rich gas streams compatible with natural gas grids, offering a route to convert mixed plastic waste into clean energy.
Determination of sand mass flow rate in a test reactor
This thesis measured bed material mass flow rate in a fluidized bed test reactor for plastic pyrolysis, providing data needed to optimize conditions for converting plastic waste into fuel as a circular economy strategy to address the growing global plastic recycling gap.
A Procedural Approach for Finding Kinetic Parameters of Polypropylene Gasification in Super Critical Water Using Genetic Algorithm
This study developed a genetic algorithm-based approach to find kinetic parameters for modeling polypropylene gasification in supercritical water. The method improved the accuracy of predicting how different reaction pathways compete during plastic breakdown. Understanding plastic gasification kinetics is relevant to developing chemical recycling technologies that convert plastic waste into fuel or chemical feedstocks.
ReaxFF molecular dynamics studies on the impact of reaction conditions in polystyrene conversion through hydrothermal gasification
Researchers used computer simulations to model how hydrothermal gasification — a process that uses hot pressurized water — breaks down polystyrene microplastics into hydrogen-rich syngas, finding that temperature is the key control factor and that water plays a dual role in both aiding and hindering the reaction.
Process Simulation Modeling of the Linear Low-Density Polyethylene Catalytic Pyrolysis in a Fluidized Bed Reactor
Researchers developed a process simulation model for the catalytic pyrolysis of linear low-density polyethylene in a fluidized bed reactor, finding that temperature significantly influences the yield of fuel-range oil and wax products from plastic waste.