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Papers
20 resultsShowing papers similar to Transformation of Traditional Wastewater Treatment Methods into Advanced Oxidation Processes and the Role of Ozonation
ClearOzonation and its Application in Wastewater Treatment
Not relevant to microplastics — this review covers ozonation and catalytic ozonation as wastewater disinfection and organic pollutant degradation technologies, with no focus on microplastic contamination.
Ozone-mediated breakdown of microplastics in aqueous environments
Researchers examined how ozone-based advanced oxidation processes break down microplastics in water treatment settings. They found that while ozone can degrade certain plastics, the effectiveness varies depending on particle size, polymer type, and treatment conditions, and the process may generate nanoplastic byproducts. The study highlights both the promise and limitations of ozone treatment as a strategy for removing microplastics from wastewater.
Microplastics Degradation in Water: A Review of Advanced Oxidative Processes and Ozonation for Effective Treatment
This review examines advanced oxidative processes (AOPs) and ozonation as emerging technologies for degrading microplastics in drinking water and aquatic environments, covering both identification and quantification methods alongside treatment efficacy. The authors assess the challenges and capabilities of these approaches in addressing the growing concern over microplastic contamination in water supplies.
The impact of ozonation on PET and PVC microplastics in model urban wastewater
Researchers investigated the effects of 6-hour ozonation treatment on PET and PVC microplastics in model urban wastewater, evaluating ozonation as an advanced oxidation process for microplastic degradation and assessing changes in polymer structure and surface chemistry for both plastic types.
Urban and Industrial Wastewater Disinfection and Decontamination by Advanced Oxidation Processes (AOPs): Current Issues and Future Trends
This review examined advanced oxidation processes for disinfecting and removing contaminants from urban and industrial wastewater before release into the environment. These treatment technologies can also help break down microplastics and associated chemical pollutants in wastewater.
Estudo da degradação de microplásticos em água e efluente secundário de estação de tratamento de esgoto por processos baseados em ozônio
This Brazilian study tested ozone-based water treatment processes for degrading polyethylene microplastics in both clean water and secondary wastewater effluent. While ozonation could break down microplastics into smaller fragments and dissolved organic carbon, it did not fully eliminate them, suggesting the need for combined treatment approaches.
Reactivity of four model microplastics with ozone.
Researchers investigated the reactivity of four model microplastic types with ozone, examining how ozone treatment affects the physicochemical properties of microplastics as a potential water treatment strategy for degrading plastic particles.
Recent advances and challenges in advanced oxidation processes for degradation of nano- and microplastics in water: a critical review
This critical review evaluates four main advanced oxidation processes — ozonation, photocatalysis, Fenton reactions, and electrochemical oxidation — for breaking down nano- and microplastics in water, summarizing what has been achieved and where major technical gaps remain. Developing effective degradation technologies is urgently needed because conventional water treatment systems do not reliably remove small plastic particles.
Advanced oxidation in the treatment of microplastics in water: A Review
Researchers reviewed how advanced oxidation processes (AOPs) — chemical methods that generate highly reactive molecules — can break down microplastics in water rather than simply filtering them out. Unlike traditional treatment that just moves microplastics around, some AOPs can fully convert plastic fragments into carbon dioxide and water, making them a promising frontier for actual microplastic destruction in water treatment.
Current Approaches and Challenges in Advanced Oxidation Processes for Nanoplastic Degradation
This review evaluates current methods for breaking down nanoplastics in water, including ozonation, electrochemical treatment, photocatalysis, and plasma-based processes. Researchers found that while these advanced oxidation techniques show promise, significant gaps remain in treating plastic particles smaller than one micrometer. The study highlights the urgent need for better analytical methods and more effective treatment technologies to address nanoplastic pollution in water sources.
Advances in chemical removal and degradation technologies for microplastics in the aquatic environment: A review
This review summarizes recent advances in chemical methods for breaking down microplastics in water, comparing the effectiveness of various techniques including advanced oxidation processes. Developing better ways to destroy microplastics in water is important for public health because current wastewater treatment plants cannot fully remove these persistent particles before water reaches consumers.
Changes in physical and chemical properties of microplastics by ozonation
Researchers examined how ozone treatment in water systems changes the physical and chemical properties of six common types of microplastics. They found that ozonation altered surface roughness, wettability, and chemical composition of the plastics, with some types being more affected than others. The findings are important because these changes could influence how microplastics interact with other pollutants and organisms in treated water.
Heterogeneous Catalytic Process for Wastewater Treatment
This book chapter reviews heterogeneous catalytic processes for treating difficult-to-break-down wastewater pollutants. While not focused on microplastics directly, the technologies described — including advanced oxidation — are relevant to removing plastic-associated chemical contaminants from water.
Ozonation facilitates the aging and mineralization of polyethylene microplastics from water: Behavior, mechanisms, and pathways
Ozonation was shown to accelerate the aging and partial mineralization of polyethylene microplastics, with surface oxidation creating more reactive particles susceptible to further degradation. The study provides mechanistic insight into how advanced oxidation processes could contribute to microplastic breakdown in water treatment.
Application of Electrochemical Oxidation for Water and Wastewater Treatment: An Overview
This review covers electrochemical oxidation, an advanced water treatment method that uses electricity to break down stubborn pollutants in wastewater. The technique can remove pharmaceuticals, dyes, and other persistent chemicals that standard treatment misses. While not specifically about microplastics, this type of advanced treatment technology is relevant to addressing the growing problem of emerging contaminants in drinking water.
Recent advances in mechanistic insights into microplastics mitigation strategies via emerging advanced oxidation processes: Legislation, challenges, and future direction
This review examines advanced oxidation processes as a promising approach for breaking down microplastics in water, covering techniques like photocatalysis, electrochemical oxidation, and ozonation. Researchers analyzed how these methods break apart plastic polymer chains at the molecular level and identified key limitations that must be overcome. The study also discusses current plastic pollution legislation and emphasizes the need for stronger regulatory frameworks alongside technological solutions.
The effect of Ozonation on the chemical structure of microplastics
Ozone treatment of microplastics in water caused oxidative changes to polymer surfaces including carbonyl group formation and surface cracking, which altered hydrophobicity and potentially increased the capacity of treated particles to adsorb contaminants, suggesting that ozonation in water treatment may chemically transform rather than eliminate microplastic hazards.
Advanced oxidation processes for the elimination of microplastics from aqueous systems: Assessment of efficiency, perspectives and limitations
This review evaluates advanced oxidation processes as a strategy for breaking down microplastics in water systems, comparing techniques such as photocatalysis, Fenton reactions, and ozonation. Researchers found that while these methods show promise for degrading microplastics into smaller, less harmful molecules, challenges remain in scaling them for practical use. The study identifies key limitations and suggests directions for making these technologies more efficient and applicable to real-world water treatment.
Advanced Oxidation Processes for Degrading Microplastics in Aqueous Media
This review examines advanced oxidation processes (AOPs) as a promising approach for degrading microplastics in water, offering an alternative to conventional methods like coagulation and membrane filtration that merely relocate particles. The study highlights that AOPs can break down long polymer chains into simpler byproducts and emphasizes the importance of developing integrated remediation technologies aligned with circular economy principles.
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.