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61,005 resultsShowing papers similar to H2 Production from Real Wastes of Polyethylene Terephthalate and Polylactic Acid using CNx/Ni2P Nanocatalyst
ClearPhotoreforming of PET and PLA microplastics for sustainable hydrogen production using TiO2 and g-C3N4 photocatalysts
Researchers used photoreforming—a light-driven process—to break down PET and PLA microplastics while simultaneously generating hydrogen gas, demonstrating a dual-benefit approach that addresses plastic pollution while producing clean energy from waste plastic.
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.
Photoreforming of Nonrecyclable Plastic Waste over a Carbon Nitride/Nickel Phosphide Catalyst
A carbon nitride/nickel phosphide photocatalyst was used to photoreform non-recyclable PET and PLA plastic waste at ambient temperature, producing clean hydrogen fuel and organic chemicals without precious metals or toxic components. The study demonstrates a low-energy, scalable approach to converting plastic waste into valuable chemical feedstocks using sunlight.
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.
Pollutants to Products: A Tailored Multicomponent Photocatalyst for Simultaneous CO 2 and Plastic Waste Conversion
Researchers developed a photocatalyst that simultaneously converts CO2 and PET plastic waste into useful chemicals (CO, methane, ethylene glycol) using only light, with CO2 reduced at over 95% selectivity. The dual-use design eliminates the need for chemical sacrificial agents by using plastic as the electron donor for CO2 reduction. Beyond plastic recycling, the system also suggests a pathway for degrading microplastics, offering a single solar-driven process that tackles two major pollution problems at once.
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.
Electro-upcycling of PET plastic coupled with hydrogen production using the NiCe@NiTe electrocatalyst
Researchers coupled electrochemical PET plastic degradation with hydrogen production using a nickel-cerium telluride electrocatalyst, demonstrating that PET microplastics can be simultaneously upcycled into value-added chemicals while generating clean hydrogen fuel.
Bimetallic defect-engineered CoMoMOF modulates CdZnS for efficient hydrogen production from water/microplastic waste
Researchers created a novel photocatalyst combining metal-defect-engineered materials to simultaneously generate hydrogen fuel and break down PET plastic waste using light energy. The system produced significantly more hydrogen using PET microplastics as a feedstock compared to water alone, suggesting plastic waste could serve as a raw material for clean energy production. This "waste to fuel" approach could address both the plastic pollution crisis and the energy transition, though it remains at an early laboratory stage.
Preparation of heterojunction C3N4/WO3 photocatalyst for degradation of microplastics in water
Researchers synthesized a carbon nitride/tungsten oxide heterojunction photocatalyst that effectively degrades PET microplastics in water while simultaneously generating hydrogen, offering a dual-benefit approach to addressing plastic pollution through photocatalysis.
Visible-Light-Driven Photocatalytic Hydrogen Production from Polystyrene Nanoplastics Using Pd/TiO2 Nanoparticles
Researchers developed a light-driven photocatalyst using palladium on titanium dioxide nanoparticles that can simultaneously break down polystyrene nanoplastics and produce hydrogen gas. The best-performing catalyst generated significant hydrogen output while also reducing the size of the plastic particles. The study demonstrates a dual-benefit approach that could address nanoplastic water pollution while generating clean energy.
Visible-Light-DrivenPhotocatalytic Hydrogen Productionfrom Polystyrene Nanoplastics Using Pd/TiO2 Nanoparticles
Researchers developed a palladium-modified titanium dioxide photocatalyst that degrades polystyrene nanoplastics under visible light while simultaneously producing green hydrogen, finding that the plastic itself was necessary as a fuel source for hydrogen evolution.
From waste to energy - Photocatalytic anaerobic degradation of microplastics to generate hydrogen
Researchers demonstrated that microplastic particles can serve as solid hydrogen sources in anaerobic photocatalytic reactions using titanium dioxide as a catalyst. This proof-of-concept converts plastic waste into clean hydrogen fuel while potentially reducing environmental microplastic loads.
Recovering hydrogen from PS, LDPE and HDPE microplastics via UV-driven photolysis and TiO2-based photocatalysis
Scientists used UV light — both direct photolysis and titanium dioxide photocatalysis — to break down polystyrene, LDPE, and HDPE microplastics and capture the released hydrogen gas as a potential clean fuel. The dataset documents hydrogen yields and conditions across the different plastic types and treatment methods. This approach could offer a dual benefit: destroying plastic waste while generating renewable hydrogen energy.
Plastics-to-syngas photocatalysed by Co–Ga2O3 nanosheets
Researchers developed a solar-powered photocatalytic method using cobalt-gallium oxide nanosheets to convert non-recyclable plastic bags into renewable syngas at ambient conditions, simultaneously addressing plastic pollution and energy production.
Hydrogen Generation from PS and PE Microplastics via UV Photocatalysis
Scientists explored whether UV light—with and without a titanium dioxide photocatalyst—could break down polystyrene and polyethylene microplastics while simultaneously generating hydrogen gas, effectively converting plastic pollution into a clean fuel. Overall degradation rates remain low and practical barriers (particle settling, light penetration) are significant, but the study maps the thermodynamic and chemical conditions that favor reactivity. This dual-purpose approach—pollution remediation plus energy recovery—is an intriguing direction for future research if efficiency can be improved.
Chemoenzymatic Photoreforming: A Sustainable Approach for Solar-fuel Generation from Plastic Feedstocks
Researchers developed a hybrid process combining enzyme pretreatment with solar-driven photoreforming to convert polyester plastic waste into clean hydrogen fuel and valuable chemicals under mild conditions. This approach offers a way to clean up plastic pollution while generating renewable energy simultaneously.
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.
Efficient Photocatalytic H2O2 Production Ability of a Novel Graphitic Carbon Nitride/Carbon Composites under Visible Light
Researchers developed a novel graphitic carbon nitride/carbon composite synthesized from microplastics and melamine that achieves high-rate photocatalytic hydrogen peroxide production under visible light, demonstrating a way to upcycle plastic waste into useful photocatalysts.
Photocatalytic Removal of Polyester Polyurethane, and Polyethylene Microplastics via ZnO-Fe-Mg-C Nanocomposite to H2
Scientists created a zinc oxide-based nanocomposite catalyst that can break down polyester, polyurethane, and polyethylene microplastics under light, and simultaneously convert them into hydrogen gas. This dual function — destroying plastic pollution while generating a clean fuel — represents a potentially valuable approach to turning a major environmental problem into a usable energy resource.
From waste to energy - Photocatalytic anaerobic degradation of microplastics to generate hydrogen
Researchers demonstrated that microplastics can serve as a hydrogen source in photocatalytic reactions under anaerobic conditions. Using titanium dioxide as a catalyst and UV light, microplastic particles generated hydrogen gas, providing a potential route for converting plastic waste into clean energy. This proof-of-concept opens new possibilities for treating microplastic waste while producing renewable fuel.
Dual-Doped Nickel Sulfide for Electro-Upgrading Polyethylene Terephthalate into Valuable Chemicals and Hydrogen Fuel
Researchers developed a catalyst that can convert PET plastic waste into valuable chemicals and clean hydrogen fuel using electricity. By doping nickel sulfide with cobalt and chloride, they achieved high efficiency and selectivity in breaking down a key PET building block. The study demonstrates a promising approach for upcycling plastic waste into useful products rather than sending it to landfills.
Solar-driven hydrogen evolution in alkaline seawater over earth-abundant g-C3N4/CuFeO2 heterojunction photocatalyst using microplastic as a feedstock
Researchers developed an earth-abundant photocatalyst that can produce hydrogen fuel by breaking down polyester microplastics using solar energy and seawater. The study demonstrates that this novel material achieved over 60-fold enhanced hydrogen production compared to its individual components, suggesting a promising approach for simultaneously addressing plastic pollution and sustainable energy generation.
Carbon-based Composite Materials as Photocatalyst for Photo-Reforming of Organics to Obtain H2
Researchers investigated carbon-based composite photocatalysts — including Nb2O5 and TiO2 combined with graphene or graphene oxide — for photo-reforming of plastics (PET and PLA) and organic compounds into hydrogen under both UV and natural solar light, finding that composite materials produced significantly more hydrogen than bare semiconductors.
Exploration of operating conditions in the direct aqueous-phase reforming of plastics
This study explored direct aqueous-phase reforming of polyethylene terephthalate plastic as a way to produce hydrogen and alkanes, testing the effects of temperature, pH, and catalyst type. Platinum catalysts at 220 degrees Celsius produced up to 10 mmol of hydrogen per gram of plastic in 8-hour reactions.