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61,005 resultsShowing papers similar to Photocatalytic and biological technologies for elimination of microplastics in water: Current status
ClearRecent Advances in Microplastics Removal from Water with Special Attention Given to Photocatalytic Degradation: Review of Scientific Research
This review examines methods for removing microplastics from water, with a focus on photocatalytic degradation, which uses light-activated materials to break down plastic particles. These advanced processes generate reactive molecules that can fragment microplastics into harmless byproducts. While promising, the technology still needs optimization and more research into potential harmful byproducts before it can be widely deployed.
Photocatalytic Degradation of Microplastics in Aquatic Environments: Materials, Mechanisms, Practical Challenges, and Future Perspectives
This review examines how light-activated materials called photocatalysts can break down microplastics in water into harmless byproducts using sunlight or UV light. While still facing challenges with incomplete breakdown and variable sunlight conditions, this technology offers a promising way to reduce microplastic contamination in water sources that affect human health.
Photocatalytic Technologies for Transformation and Degradation of Microplastics in the Environment: Current Achievements and Future Prospects
This review examines photocatalytic technologies that use light-activated materials to break down microplastics in the environment. Various catalysts can generate reactive oxygen species that degrade plastic polymers into simpler, less harmful molecules. The authors assess the strengths and limitations of different photocatalytic approaches and highlight the need for scalable solutions that work under real-world environmental conditions.
Recent Advances in Photocatalytic Removal of Microplastics: Mechanisms, Kinetic Degradation, and Reactor Design
This review examines how photocatalytic processes, which use light-activated materials to generate reactive molecules, can be used to break down microplastics in water. Researchers surveyed the mechanisms behind photocatalytic degradation of common plastics like polyethylene and polystyrene, as well as reactor designs that could make the technology practical. The study highlights photocatalysis as a promising approach for tackling microplastic pollution but notes that scaling up these systems remains a major challenge.
Photocatalytic strategy to mitigate microplastic pollution in aquatic environments: Promising catalysts, efficiencies, mechanisms, and ecological risks
This review summarizes recent advances in photocatalytic degradation of microplastics, covering catalysts, mechanisms, and reactive oxygen species generation pathways. The authors call for more realistic photocatalytic materials, better mechanistic understanding of degradation intermediates, and quantitative ecological risk assessment of photocatalysis byproducts.
Mechanisms and the Engineering Approaches for the Degradation of Microplastics
This review provided a comprehensive overview of current microplastic degradation methods, including mechanical, chemical, photocatalytic, and biological approaches, evaluating engineering strategies for efficient microplastic treatment and removal.
An insight decipher on photocatalytic degradation of microplastics: Mechanism, limitations, and future outlook
This review explains how photocatalysis -- a process that uses light to trigger chemical reactions -- can break down microplastics into harmless carbon dioxide and water. Unlike traditional removal methods that are expensive and often create secondary pollution, photocatalysis offers a more sustainable approach. While still in early stages, this technology could eventually help clean microplastic-contaminated water sources that people depend on.
Catalytic approaches for the removal of microplastics from water: Recent advances and future opportunities
Researchers reviewed catalytic methods — including biological processes, advanced oxidation, and hydrolysis — for breaking down or removing microplastics from water, highlighting promising progress while noting that no single approach yet works efficiently at the scale needed for real-world water treatment.
Countering microplastics pollution with photocatalysis: Challenge and prospects
This review summarized the use of photocatalysis for degrading microplastics, covering catalyst types, reaction mechanisms, and operational parameters, and discussing challenges including the stability of highly polymerized plastics and prospects for scaling photocatalytic treatment to address environmental microplastic pollution.
Degradation of microplastic in water by advanced oxidation processes
This review covers advanced methods for breaking down microplastics in water using powerful chemical reactions and light-activated catalysts that can degrade plastic particles into less harmful substances. Developing effective ways to destroy microplastics in water is critical for human health because conventional water treatment plants do not fully remove these particles from drinking water sources.
Degradation of Micro- and Nano-Plastics by Photocatalytic Methods
This paper reviews photocatalytic methods — using light-activated catalysts — as a way to break down micro- and nano-plastics in the environment. These approaches offer a promising path toward degrading persistent plastic particles that accumulate in marine and drinking water systems.
Photocatalytic Degradation and Remediation of Microplastics
This review chapter examines photocatalysis as a remediation strategy for microplastic pollution in aquatic and terrestrial environments, describing how solar energy conversion drives chemical reactions that degrade plastic particles. The authors assess the current state of photocatalytic methods, their mechanisms, and their potential for sustainable microplastic removal.
Removal of nanoplastics in water treatment processes: A review
This review examines technologies for removing nanoplastics from water, noting that conventional treatment processes effective for larger plastics often fail to capture these tiny particles. Researchers evaluated emerging methods including microbial degradation, membrane filtration, and photocatalysis, finding that combined approaches offer the best removal rates. The study highlights that more research is needed to develop practical, large-scale solutions for nanoplastic contamination in drinking water and wastewater.
Advancing photocatalytic strategies for microplastic degradation in aquatic systems: Insights into key challenges and future pathways
This review examines how light-activated chemical reactions (photocatalysis) can break down microplastics in water, using advanced materials like doped semiconductors and metal-organic frameworks. While promising for cleaning up waterways, challenges remain around scaling these methods for real-world use and ensuring the breakdown products are not themselves harmful.
Photocatalysis toward Microplastics Conversion: A Critical Review
This review summarizes how photocatalysis, a process that uses sunlight and special materials to trigger chemical reactions, could potentially break down microplastics in water. While the technology is still in its early stages, it offers a promising approach to degrading the microplastics that have been detected in human blood, breast milk, and organs.
Photocatalytic and Enzymatic Degradation of Microplastics: Current Status, Comparison, and Combination
This review compares photocatalytic and enzymatic approaches for degrading microplastics, finding that photocatalysis offers high efficiency but risks secondary pollution, while enzymatic degradation is milder but slower, and proposes combined strategies as a promising direction.
Heterogeneous photocatalysis as an efficient process for degrading MPs/NPs in aqueous media: A systematic review
This systematic review summarizes research on using light-activated chemical processes to break down microplastics and nanoplastics in water. The findings suggest that photocatalysis is a promising approach for removing these tiny plastic particles from drinking water and wastewater, which could help reduce human exposure to microplastic contamination.
Light-driven degradation of microplastics: Mechanisms, technologies, and future directions
This review examines photocatalytic technologies for breaking down microplastics using light-driven chemical processes. Researchers found that photocatalysts can potentially mineralize microplastics into carbon dioxide and water, with some approaches also enabling recovery of useful chemical products. The study highlights light-driven degradation as a promising direction for microplastic remediation, though challenges around efficiency and scalability remain to be addressed.
Photocatalytic Perception for Degradation of Macro- and Micro-plastics
This review examines photocatalytic approaches for degrading both macro- and micro-plastics, surveying semiconductor-based and other photocatalytic systems capable of breaking down persistent plastic polymers in aquatic and terrestrial environments. The paper evaluates the mechanisms, efficiency, and scalability of photocatalysis as a remediation technology alongside conventional plastic waste management strategies.
Microplastics and nanoplastics: Recent literature studies and patents on their removal from aqueous environment
This review surveyed recent research and 42 international patents on technologies for removing microplastics and nanoplastics from water, categorizing methods into filtration, capture-based, and degradation approaches. Removal efficiencies between 58% and 100% were reported across techniques including coagulation, membrane filtration, photocatalytic degradation, and microbial breakdown. The study highlights that while promising methods exist, each has limitations depending on factors like plastic type, water chemistry, and particle size.
Innovations in chemical degradation technologies for the removal of micro/nano-plastics in water: A comprehensive review
This review summarizes advances in chemical degradation technologies for removing micro- and nanoplastics from water, including photocatalysis, Fenton-based reactions, electrochemical oxidation, and micro/nanomotor approaches. Researchers analyzed the key factors that influence degradation effectiveness, such as particle properties and operating conditions. The study identifies current challenges and outlines future directions for developing practical chemical methods to address plastic pollution in water systems.
Microplastics remediation in aqueous systems: Strategies and technologies
This review assessed strategies and technologies for removing microplastics from aquatic environments, comparing coagulation-flocculation, membrane filtration, magnetic separation, photocatalysis, and biological degradation approaches in terms of efficiency, scalability, and cost for both wastewater and natural water treatment.
Systematic Review of Degradation Processes for Microplastics: Progress and Prospects
This systematic review summarizes existing research on different methods for breaking down microplastics, including photodegradation, chemical oxidation, and biological approaches. The study evaluates how effective each technique is at destroying microplastics and discusses which methods show the most promise for real-world application. Finding effective ways to degrade microplastics is critical because these particles persist in the environment for hundreds of years and continue to enter our food and water.
Plastic pollution and degradation pathways: A review on the treatment technologies
This review surveys different methods for breaking down plastic pollution in water, including ultraviolet light, mechanical processes, and microbial degradation. The study suggests that microorganisms and microalgae can work together in fuel cell systems to both decompose microplastics and generate clean energy, offering a promising approach to tackling plastic waste.