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Showing 1 to 15 of 15 for “"Advanced oxidation process"”.
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The UV/H2O2 advanced oxidation process in UV disinfection units : removal of selected phosphate esters by hydroxyl radical
… water is examined. From 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, …
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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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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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Photocatalytic Reactor using TiO2 Thin Film on Quartz Tubes
<p>Photocatalysis 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 …
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Efeito dos inseticidas organofosforados em LVE de Campo Novo dos Parecis - MT e sua degradação por processo oxidativo avançado.
… consideration the technological factors at each process and the operational conditions of the treatments utilized for the degradation of the organophophorus and the viability of its application for the descontamination of the agricultural effluents. At the research process, tests were made with …
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Enhancement in Degradation of Environmental Pollutants: Fenton Degradation of 2,4,6-Trinitrotoluene and Photodegradation of Deepwater Horizon Crude Oil
… need for remediation. Fenton reagent provides an advanced oxidation process that is capable of remediating recalcitrant explosives, such as TNT. One drawback of Fenton chemistry is that the reaction requires acidic pH to prevent precipitation of iron. Our studies have investigated Fenton …
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An investigation of the reaction kinetics of photocatalytic wastewater treatment using suspended titanium dioxide catalyst
… of chemicals as a part of the very same removal process. In addition, new types of pollutants resistant to conventional treatment techniques are being found in wastewater streams at increasing concentrations. Moreover, traditional treatment technologies, require a large input of energy, emit …
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Oxidation of Disinfection Byproducts and Algae-related Odorants by UV/H₂O₂
… occur in drinking water. UV/H₂O₂ is an expensive advanced oxidation process that is used to successfully control geosmin and 2-methylisoborneol. The aqueous oxidation of odorous aldehydes and halogenated DPBs were compared to that of the earthy-musty odorants and the changes to the sensory …
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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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Fundamental and Practical Aspects of Cometabolite Addition for 1,4-Dioxane Removal in Biofiltration
… and adsorption, and typically requires an advanced oxidation process to break it down. Historically, 1,4-dioxane was considered recalcitrant to biological degradation. However, recent work in landfill leachate as well as contaminated groundwater has shown that 1,4-dioxane is amenable to …
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Photocatalytic destruction of volatile organic compounds from the oil and gas industry.
Heterogeneous photocatalysis is an advanced oxidation technology widely applied in environmental remediation processes. It is a relatively safe and affordable technology with a low impact on the environment, and has found applications in a number of fields including chemical engineering, …
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Investigation of a Spinning Disc as a Thin Film Photocatalytic Reactor for the Degradation of Recalcitrant Wastewaters
… sources, driving the development of new processes for the treatment of the wide array of pollutants found in the environment. One such process is photocatalysis, an advanced oxidation process which uses a light activated semi-conductor catalyst to oxidise pollutants. The semi-conductor …
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Remediation of spent oxalic acid nuclear decontamination solutions using ozone
… developed to account for different potential processing strategies for handling the spent oxalic acid nuclear decontamination slurries. Although the results vary, the models show that regardless of the oxalate handling strategies: 1) significant washing to decrease sodium concentration/solids …
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In-situ photocatalytic remediation of organic contaminants in groundwater
… Photocatalysis, typically a pseudo first order advanced oxidation process, is initiated via the illumination of UVA light on the catalyst, i.e. titanium dioxide (TiO2). In the presence of oxygen, highly reactive oxidising agents are generated such as superoxide (O2-), hydroxyl (OH·-) radicals, …