Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 871 for “"Wastewater Treatment"”.
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Wastewater Treatment of Contaminated Aqueous Leachate
… concerns and within industrial societies the treatment of waste water and aqueous leachate is of particular significance. One process that has shown promise for enabling the re-use of waste water is Fenton’s Reagent; in particular when it is combined with electrochemistry. The aim of this …
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Odor Monitoring at Wastewater Treatment Plants
… corrosion is one of the major sources of odor in wastewater treatment plants. Evaluation of existing or potential odor problems requires knowledge of the type of compounds likely to cause such problems and the mechanism of their formation in wastewater systems which is discussed in this paper. For …
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Performance and innovation in wastewater treatment
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Civil Engineering, 1992.
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Development of nitroguanidine wastewater treatment technologies
… a method for treating nitroguanidine process wastewaters. The major wastewater contaminants were found to be nitroguanidine and guanidine nitrate (GN) (an intermediate product). Pilot tests were conducted for the removal of nitroguanidine using granulated carbon adsorption (GAC) and ion …
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Sustainable Wastewater Treatment in the American South
… are two factors that are currently pushing wastewater treatment towards more sustainable methods. This thesis investigates what sustainable treatment technologies are being used in the American South through a focused sample of six cities across the region: Austin, Texas; Fayetteville, …
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Applications of microwave technology to wastewater treatment
… 120 ºC. The effects of combination of microwave treatment and oxidative reagents on solids destruction and nutrients release were also investigated. Microwave enhanced advanced oxidation processes (MW-AOP), such as MW/O₃, MW/H₂O₂ and MW/H₂O₂/O₃, were conducted at 100 °C. In terms of nutrients …
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Machine Learning Methods for Wastewater Treatment Plants
Modern wastewater treatment plants base their biological processes on advanced control systems which ensure compliance with discharge limits and minimize energy consumption by responding to information from on-line probes. The correct probe readings are particularly crucial for intermittent …
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Enzymes : the new water/wastewater treatment chemical
… detected routinely in raw and treated municipal wastewater. Conventional wastewater treatment processes are not effective in removing PPCP; therefore, treated wastewater discharges are one of the main entry points for PPCPs into the aquatic environment, and eventually into drinking water …
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Urban wastewater treatment with mature constructed wetlands
… technology in treating various types of wastewater, including urban wastewater, continuous loading of wetlands over time can lead to performance inefficiency and generate operational problems especially when high shock loads, such as petroleum hydrocarbon spills, are subjected to the …
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Bioflocculation of Wastewater Treatment Pond Suspended Solids
<p><strong>Bioflocculation of Wastewater Treatment Pond Suspended Solids</strong></p> <p><strong>Louis Lefebvre</strong></p> <p>Wastewater treatment lagoons and high rate algae ponds (HRAPs) can provide cost effective wastewater treatment, but they commonly have high effluent concentrations of …
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Advanced oxidative wastewater treatment using cavitational reactors
This thesis explores various novel ways of treatment of wastewater contaminated by toxic organic pollutants using single and combined advanced oxidative wastewater treatment technologies in conjunction with a variety of acoustic and hydrodynamic cavitational reactors. There have been many reports …
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Evaluation wastewater treatment technologies at Ford Powertrain
… Free Oil & Grease (FOG) and metal ion content in wastewater effluent, a study was performed for Ford Motor Company that assesses various seconctary wastewater treatment technologies. The three water purification technologies, membrane filtration, biological treatment, and clay media adsorption, …
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Use of magnetic nanoparticles for wastewater treatment
… target contaminants from a sediment matrix or wastewater stream. This technology uses specifically tailored surface modified magnetic nanoparticles (MNP) that are capable of a high uptake of trace metals. These particles have a magnetic core that facilitates their recovery, a shell that …
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Life-cycle assessment of wastewater treatment plants
… model for the carbon footprints analysis of wastewater treatment plants (WWTPs), using a life cycle assessment (LCA) approach. In previous research, the issue of global warming is often related to traditional industries with high carbon dioxide (CO2) emissions, such as power plants and …
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Wastewater treatment and energy : an analysis on the feasibility of using renewable energy to power wastewater treatment plants in Singapore
Wastewater treatment is a very energy intensive industry. Singapore has a state-of-the-art wastewater treatment system that uses a number of sustainable techniques that greatly improve its overall efficiency. The centralized Changi Water Reclamation Plant is one of the most advanced treatment …
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Industrial Wastewater Treatment Using Dolomite And Dolomitic Sorbents
… investigation into a cost effective solution or treatment of this problem. The introduction of the Nitrate Directive will have a greater impact in Northern Ireland than the rest of the UK because of the geological layout of the waterways, having an impact not only on industrial and agricultural, …
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