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 1693 for “"Wastewater"”.
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Anaerobic Co-digestion of Wastewater Treatment Pond Algae with Wastewater Sludge
<p>Microalgae harvested from wastewater treatment ponds can be anaerobically digested to produce biogas, a renewable fuel resource. However, past experiments have shown some limitations of algae digestion. Algal cell walls are thought to be resistant to digestion, and the high protein content of …
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Physical-chemical wastewater treatment technology: an analysis of impacts to wastewater service.
Massachusetts Institute of Technology. Dept. of Urban Studies and Planning. Thesis. 1973. B.S.
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Wastewater-Based Genomic Epidemiology
… demanding and biased by non-random testing. Wastewater–based epidemiology (WBE), whose origins trace back almost a century, has only recently emerged as a practical tool for large-scale, real-time surveillance of viral diseases at the population level. It promises to offer a cost-effective, …
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Electrodisinfection of Municipal Wastewater Effluent
To avoid the spread of disease from sewage treatment effluents, pathogenic microorganisms present must be destroyed by one or a combination of disinfection methods. Chlorine remains the predominant disinfectant used although it consumes considerable amounts of energy and has associated exposure …
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Wastewater Disinfection with HYDROFLOW Technology
… is the final and very important step of wastewater treatment to maintain healthy ecosystems. Although chlorination is the most prevalent wastewater disinfection method, there are serious safety concerns and ecological problems associated with its use. The purpose of this study was to test …
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Asset management of wastewater networks
… of failure. The process model is applied in the wastewater network of Oslo, the capital city of Norway, and uses available real-world information to forecast life-cycle costs of maintenance and rehabilitation strategies and support infrastructure management decisions. The case study provides an …
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Electroosmotic dewatering of wastewater sludges.
Thesis. 1977. Ph.D.--Massachusetts Institute of Technology. Dept. of Mechanical Engineering.
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Struvite crystallization from nutrient rich wastewater
Discharge of untreated nutrient-rich wastewater is a problematic issue, which may cause root burning and eutrophication of receiving water. It is also a problematic issue due to the formation of crystalline deposits in waste water systems. The recovery of nutrients using a crystallization technique …
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Wastewater Treatment of Contaminated Aqueous Leachate
Until recently the common perception, especially in the western world, was that water was an infinite resource. There has been, however, a dramatic increase in the usage and pollution of water and a corresponding need to conserve, treat and re-use the resource. Water quality and scarcity are major …
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Audio for Flow Monitoring in Wastewater
… can greatly improve process control in wastewater systems but requires increased sensing and monitoring that can provide actionable information. Audio is underutilised as a sensor input despite fluid flow naturally generating sound through different physical processes. This thesis …
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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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Predictive control of urban wastewater systems
… use of automation and instrumentation within the wastewater treatment industry. As a result, advanced control strategies are required, to fully exploit the potential of these complex systems in addressing water quality concerns. Model based control strategies can be appropriate within the …
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Investigation of Dairy Wastewater Using Biowish
… </sup>Technologies have been tested in dairy wastewater experiments to determine the bacterial mixes’ ability for enhanced degradation of biochemical oxygen demand (BOD), solids, and nitrate concentrations. The dairy wastewater was augmented with various bacterial composition obtained from …
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SARS-CoV-2 detection in wastewater
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2023-12-01
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Wastewater sludge management options for Honduras
… is a fundamental area of concern across wastewater treatment systems in Honduras. The lack of timely sludge removal has led to declining plant performance in many facilities throughout the country. In addition to maintaining treatment efficiency, proper sludge management is important 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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Combined Anaerobic/Aerobic Treatment for Municipal Wastewater
… of combined anaerobic/aerobic processes for wastewater treatment has been shown feasible, especially for industrial wastewaters with high concentration of organics. However, the utilization of this type of technology for treating wastewaters with low content of organic matter, such as …
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