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 Co-Pyrolysis of Plastic Waste and Lignin: A Pathway for Enhanced Hydrocarbon Recovery
ClearPlastic 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.
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.
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.
Synergistic Effects and Mechanistic Insights into the Co-Hydropyrolysis of Chilean Oak and Polyethylene: Unlocking the Potential of Biomass–Plastic Valorisation
This paper is not about microplastics; it studies the co-pyrolysis of wood biomass and polyethylene plastics in a hydrogen atmosphere to produce cleaner bio-oil, investigating synergistic thermochemical reactions.
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.
Evaluation of Waste-Plastic Pyrolysis Oil as a Potential Feedstock for Lubricant Base Oil Production via Hydroprocessing
Scientists found a way to turn plastic waste into high-quality lubricant oil by heating it up and treating it with special metal catalysts. This process converted over 88% of the waste plastic into useful oil that could replace petroleum-based lubricants. This breakthrough could help reduce plastic pollution while creating valuable products, though more research is needed before it becomes widely available.
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.
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.
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.
Chemical Recycling of Plastics by Microwave‐Assisted High‐Temperature Pyrolysis
Researchers developed a microwave-assisted high-temperature pyrolysis method that continuously breaks down mixed plastic waste and plant oil into useful chemicals like ethylene and propylene. This chemical recycling approach could help divert plastic waste from the environment while producing renewable building blocks for new materials.
Assessment of Co-Pyrolysis of Polypropylene with Triacylglycerol-Based Waste Biomass to Obtain Sustainable Hydrocarbons
Despite its title referencing polypropylene co-pyrolysis, this paper studies the thermal breakdown of polypropylene plastic waste combined with biodiesel industry byproducts to produce renewable hydrocarbon fuels — not microplastic pollution. It examines chemical product yields from waste-to-fuel conversion, and is not relevant to microplastics or human health.
Unraveling Co-Pyrolysis Mechanisms for Municipal Sludge and Microplastics: Thermodynamic, Kinetic, and Product Insights
Wastewater treatment plants produce large quantities of sewage sludge, which is often contaminated with microplastics from household and industrial sources. This study tested whether co-pyrolyzing sludge with polyethylene (HDPE) or PET plastic waste at high temperatures could improve energy recovery while processing microplastics. Adding 30% HDPE maximized the overall pyrolysis efficiency and changed the chemical reaction pathways, while PET had stronger facilitating effects at mid-range temperatures. The research suggests that co-pyrolysis could serve the dual purpose of sludge disposal and microplastic destruction, though the altered reaction kinetics and product mixtures require careful management.
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.
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.
Mitigating Post-Recycling Plastic Waste Pollution Through Co-Hydrothermal Liquefaction with Freshwater Algal Biomass: Pathways to Biofuel and High-Value Products as Resource Recovery: Chi River, Thailand
Researchers co-processed post-recycling plastic waste with freshwater algal biomass via hydrothermal liquefaction at 350°C, finding that plastics act as hydrogen donors to improve biocrude yield and quality, with PET co-processing achieving 71.5% yield and Nylon-6 blends recovering valuable caprolactam monomers from the aqueous fraction.
Upgrading Mixed Agricultural Plastic and Lignocellulosic Waste to Liquid Fuels by Catalytic Pyrolysis
Researchers compounded mixed agricultural plastic waste (netting, twine, film) and lignocellulosic residues (bluegrass straw/chaff) in a twin-screw extruder and subjected the homogenised material to thermal and catalytic pyrolysis (500-600 C) to characterise liquid fuel yields from this otherwise burned or landfilled agricultural waste stream.
Analysis of Plastic-Derived Fuel Oil Produced from High- and Low-Density Polyethylene
Researchers analyzed the chemical composition and properties of fuel oils produced via pyrolysis from both high-density polyethylene (HDPE) and low-density polyethylene (LDPE), evaluating their potential as alternative fuels. The study characterized hydrocarbon distributions and fuel quality parameters to assess the viability of plastic-to-fuel conversion as a waste management strategy.
Conversion of Polyolefin Waste Into Fuels and Other Valuable Products by Hydrothermal Processing
This research explored ways to convert plastic waste, including polyolefins like polyethylene and polypropylene, into usable fuels and other valuable products through hydrothermal processing. Finding efficient recycling pathways is critical given that only 9% of the 350 million tons of plastic waste generated annually is currently recycled.
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.
Hybrid thermo-electrochemical conversion of plastic wastes commingled with marine biomass to value-added products using renewable energy
A hybrid thermo-electrochemical process was explored for converting marine plastic and biomass mixtures into useful energy products, addressing the challenge of plastics commingled with organic matter in ocean environments. The approach offers a potential pathway for valorizing hard-to-recycle marine waste streams.
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 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.
Precise activation of C–C bonds for recycling and upcycling of plastics
This perspective examines strategies for recycling and upcycling polyolefin plastics by precisely activating and cleaving the inert carbon-carbon bonds in plastic waste. Researchers surveyed catalytic approaches from related chemistry fields, including lignin degradation and alkane dehydrogenation, that could inspire new methods for breaking down plastics. The study highlights cross-disciplinary opportunities for developing more effective catalytic technologies to address the growing plastic waste crisis.
Synergistic co-pyrolysis of corn stover and refuse-derived fuel with microplastics: Kinetic and thermodynamic study
Researchers studied the co-pyrolysis of corn stover and refuse-derived fuel containing microplastics, analyzing the process through kinetic and thermodynamic methods. They found synergistic effects between biomass and plastic components that improved the thermal decomposition process. The study suggests that co-pyrolysis could be a viable approach for simultaneously managing agricultural waste and microplastic-containing refuse.