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Papers
20 resultsShowing papers similar to Feasibility of gasifying mixed plastic waste for hydrogen production and carbon capture and storage
ClearPlastic Waste Valorization: Prospects for Green Hydrogen Production
This review assesses the feasibility of producing green hydrogen from plastic waste through pyrolysis and gasification, comparing process efficiency, costs, and carbon emissions across different plastic feedstocks. The authors identify polyolefins as particularly promising feedstocks and outline the technical and economic barriers to scaling these processes.
Optimization of Renewable Energy Supply Chain for Sustainable Hydrogen Energy Production from Plastic Waste
Researchers developed an optimization model for producing hydrogen energy from plastic waste in Iran using a renewable energy supply chain approach. They found that converting plastic waste into hydrogen fuel through gasification is economically feasible, with costs potentially decreasing over time as the system scales. The study presents a strategy for simultaneously reducing plastic waste volume and generating clean energy.
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.
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.
Chemical Recycling of Plastic Waste: Comparative Evaluation of Environmental and Economic Performances of Gasification- and Incineration-based Treatment for Lightweight Packaging Waste
Chemical recycling of lightweight plastic packaging waste via gasification was compared to incineration with energy recovery using life cycle assessment and economic analysis, finding that gasification offered some environmental advantages but at higher cost and with significant technology readiness uncertainties. The study provides a comparative evaluation to inform decisions about complementary roles for chemical and mechanical recycling in plastic waste management.
Co-gasification of Waste Biomass and Plastic for Syngas Production with CO2 Capture and Utilization: Thermodynamic Investigation
Researchers performed a thermodynamic investigation of an integrated plant-wide process for co-gasifying waste biomass and plastics using steam and CO2, designing the system to produce syngas at an H2/CO molar ratio of approximately 2 while incorporating carbon capture and utilization.
Hydrogen from Waste Gasification
This review examines how gasification technology can convert waste materials, including municipal solid waste, tires, and plastic waste, into hydrogen fuel. Researchers found that hydrogen production potential varies widely depending on the feedstock, ranging from 15 to 300 grams of hydrogen per kilogram of waste. The study highlights gasification as a promising pathway for producing renewable hydrogen, though supportive regulations are needed to bring the technology to market.
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.
Plastic regulates its co-pyrolysis process with biomass: Influencing factors, model calculations, and mechanisms
Researchers investigated co-pyrolysis of plastics and biomass, finding that varying the hydrogen-to-carbon ratio of biomass feedstocks influences synergistic effects on bio-oil quality, offering a strategy to improve plastic waste valorization.
Comprehensive Insights into Photoreforming of Waste Plastics for Hydrogen Production
This review examines photocatalytic "photoreforming" — a solar-powered process that breaks down waste plastics while simultaneously generating hydrogen fuel and useful chemical byproducts. Recent advances in catalyst design, including semiconductor materials and metal-organic frameworks, are analyzed alongside factors like light intensity and pH that affect hydrogen output. This dual-purpose approach could help address both the global plastic waste crisis and the need for clean energy simultaneously.
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.
Harvesting marine plastic pollutants-derived renewable energy: A comprehensive review on applied energy and sustainable approach.
This review summarized recent research on recovering renewable energy from marine plastic waste through biological, chemical, and thermal conversion processes, evaluating each pathway's carbon efficiency, global warming potential, and economic viability as part of a circular economy approach to plastic pollution.
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.
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.
Mini-review on remediation of plastic pollution through photoreforming: progress, possibilities, and challenges.
This mini-review examines photoreforming — a solar-powered process that converts plastic waste into valuable chemicals and hydrogen fuel — as a promising approach to reducing plastic pollution while generating clean energy. The authors review progress in the technology, assess remaining challenges such as efficiency and scalability, and place it in the context of other plastic waste remediation strategies.
Parametric Modelling Study to Determine the Feasibility of the Co-Gasification of Macroalgae and Plastics for the Production of Hydrogen-Rich Syngas
Researchers developed a parametric model to simulate the co-gasification of macroalgae species (Chlorella vulgaris, Sargassum fluitans, Sargassum natans) with plastics for hydrogen-rich syngas production. The study evaluated the feasibility of this dual-waste approach as an energy recovery strategy, examining the effects of gasification parameters on syngas composition and yield.
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.
Building a bridge from solid wastes to solar fuels and chemicals via artificial photosynthesis
This review examined photoreforming (PR) as a process that converts solid plastic and other waste materials into hydrogen fuel and value-added chemicals using solar energy, combining waste remediation with clean fuel production. The authors assessed photocatalyst design strategies that enable efficient PR of diverse waste streams including polyethylene and polypropylene.
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.