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Showing 1 to 20 of 51 for “"Advanced Oxidation"”.
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Efficacy of Catalytic Ozonation Advanced Oxidation Processes Compared to Traditional Ozone-Based Advanced Oxidation Processes for Degradation of Recalcitrant Compounds
… as pharmaceuticals and personal care products. Advanced oxidation processes (AOPs) have been developed to degrade ECs that are not effectively removed by conventional wastewater treatment. The goal of implementing AOPs is to promote the formation of hydroxyl radicals (•OH), which are stronger …
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Removal of organic compounds from aquatic environments by advanced oxidation processes.
… aims to apply photolysis and photocatalysis (advanced oxidation processes) as novel technologies for in-situ removal of harmful contaminants. Photoinduced photolysis by UV-A 365 nm LED irradiation was explored during bench-scale experiments for the removal of Microcystis aeruginosa cells and …
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Remediation of endocrine disruptor in contaminated water through advanced oxidation processes
El problema originado por la escasez de agua en determinadas zonas del planeta se agudiza en gran manera por la contaminación de la misma debido al vertido indiscriminado de residuos generados por la actividad del hombre, lo que supone una amenaza para el medio acuático y en consecuencia para la …
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Chemical and toxicological evaluation of advanced oxidation treated pharmaceutical residues in wastewater
Contains fulltext : 311847.pdf (Publisher’s version ) (Open Access)
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Evaluation of veterinary antibiotics in a swine slaughterhouse wastewaters and their removal using advanced oxidation processes
Submitted in fulfillment of the academic requirements for the degree of Doctor of Engineering, Durban University of Technology, Durban, South Africa, 2020.
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Degradation of Emerging Contaminants by Advanced Oxidation Using Multi-Walled Carbon Nanotubes and Continuous Ozone Injection
… made in both water conservation and treatment. Advanced oxidation processes (AOPs) have been developed to go above and beyond the capabilities of traditional wastewater treatment facilities to eliminate emerging contaminants from our water systems. AOPs increase the generation of hydroxyl …
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The UV/H2O2 advanced oxidation process in UV disinfection units : removal of selected phosphate esters by hydroxyl radical
… the various treatment processes available, the oxidation of phosphate esters through hydroxyl radical generated by the UV/H202 process applied at a UV disinfection unit was selected for evaluation. The second-order rate constants of the reactions of two phosphate esters, Tri(2-butoxyethyl) …
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Comparison of Two Advanced Oxidation Processes for Their Production of Hydroxyl Radicals and Evaluation of a UV/Ozone AOP at Varying UV Fluence for Treating Diclofenac
<p>This study explores the efficacy of two advanced oxidation processes for generation of hydroxyl radicals to promote degradation of emerging contaminants. Drought and water shortage have become pressing issues caused by our world’s changing climate. Water reclamation and reuse are increasingly …
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Understanding the impact of the scavenging capacity on costs of the UV chlorine advanced oxidation process for drinking water treatment using the external calibration method and the development of cost curves.
UV-driven advanced oxidation processes (e.g. UV/H2O2, UV/Cl) that couple UV irradiation with oxidizing chemicals to generate highly reactive species such as ·OH radicals and reactive chlorine species are increasingly being recommended for the removal of recalcitrant organic contaminants in drinking …
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Applications of microwave technology to wastewater treatment
A microwave enhanced advanced oxidation process using hydrogen peroxide (MW/H₂O₂-AOP) was used for the release of nutrients and the destruction of solids from secondary municipal sewage sludge. The significant factors affecting the MW/H₂O₂-AOP that would yield maximum soluble substrates were …
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Sustainable development of an integrated solid waste and wastewater treatment.
… chemical treatment, electro-coagulation and the advanced oxidation process. Laboratory and field trials were conducted using these different treatment techniques and the analysis was performed to verify the treatment results. The result of these trials led to the development of four modular waste …
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Development of a Novel TiO2-polymeric Photocatalyst for Water Purification both under UV and Solar illuminations
… traditional water purification processes, made advanced oxidation processes come into existence. Among all kind of advanced oxidation processes, photocatalytic oxidation is the most promising one. The photocatalytic process is based on aqueous phase hydroxyl radical chemistry and couples low …
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Combining chemical with biological oxidation for efficient treatment of chloronitrobenzene in groundwater
… demand immediate remedial approaches, such as advanced oxidation processes (AOPs). While AOPs are effective for the removal of many organic contaminants from water, these techniques are often costly, especially when complete mineralization is the goal. In this study, it was hypothesized that …
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Photocatalytic Reactor using TiO2 Thin Film on Quartz Tubes
… process, as an environmental application is an advanced oxidation process with tremendous potential in the near future. Previously many researchers, have conducted photocatalysis in different reactor configuration using TiO2 slurry and thin film, using a UV light source, the constraints for …
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Management strategy of landfill leachate and landfill gas condensate
… inorganic arsenic. However, for arsenic removal, oxidation-coagulation, including biological oxidation, conventional oxidation and advanced oxidation followed by ferric salt coagulation, and carbon adsorption were not effective for what is believed to be tri-methyl arsenic. Among these, advanced …
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REMOVAL OF EMERGING CONTAMINANTS FROM AQUEOUS SOLUTION BY OZONE -BASED PROCESSES
… This study assess the potential of ozone based advanced oxidation processes (AOP) to oxidize number of emerging contaminants. Different combinations of ozone with hydrogen peroxide and sodium persulfate were tested. For this study 1-4, dioxane, perfluorinated compounds (PFCs), …
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Removal of Total Organic Carbon and Emerging Contaminants in an Advanced Water Treatment process using Ozone-BAC-GAC
… to demonstrate the feasibility of a carbon-based advanced treatment train; including ozonation, biological activated carbon (BAC) filtration and granular activated carbon (GAC) adsorption to achieve water quality suitable for potable reuse and assess the impact of a range of operating conditions …
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Mechanistic insights on the merits and limitations of advanced treatment processes for removal of contaminants of emerging concern
… years, there has been growing interest to use Advanced Oxidation Processes (AOPs) to degrade PFAS. However, progress in the field has been hampered by the ambiguity that exists regarding the role of two key reactive oxygen species (ROS) i.e. hydroxyl radical (•OH) and superoxide radical anion …
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