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 156 for “"Treatment system"”.
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Modelling an SBR waste treatment system.
… two decades with increasing use in wastewater treatment. However, there are still some important aspects of the system that need improvement. Modelling SBR system, developing lab methods for estimation of the model parameters, re-defining SBR design parameters and comparing SBR and continuous …
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Development of a biomass gasification pre-treatment system
This project was focussed on drying and feeding timber-yard waste for a gasifier and the assessment of the feedstock drying on the gasifier performance. This required a thermodynamic model to be developed in order to assess the effect of drying as was highlighted in the literature survey. A heat …
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Alternative Waste Treatment System for Poultry Processing Plants
… research was to design an alternative wastewater treatment system for turkey processing plants to recover energy and reduce N and P to allowable discharge levels. The objective included: 1. Determine the quantity and quality of biogas produced from the turkey processing wastewater (TPW) and COD …
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Re-evaluation of a petroleum produced water treatment system, A
Includes bibliographical references (pages 169-173).
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A mathematical model of a high sulphate wastewater, anaerobic treatment system
… heavy metal concentrations. One promising treatment technology is biological sulphate reduction in anaerobic reactors. During anaerobic treatment, sulphate is reduced to sulphide and alkalinity is generated, raising the pH and precipitating many of the heavy metals. The process requires a …
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Study of population dynamics in a biological phosphorous removal wastewater treatment system
… dominated a biological phosphorous removal (BPR) system, causing the system to fail. The study indicated that feed composition may have been responsible for the bacteria population shift. The purpose of this study was to examine population shifts of polyphosphorous-removing (PP) bacteria and the …
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Experimental investigation of an integrated solar driven wastewater treatment system for trigeneration applications
… the global power demand. Hydrogen production systems can efficiently harvest energy from renewable sources. Even though photo-electrochemical systems offer an attractive potential for both hydrogen production and wastewater treatment systems, their application in industrial scales is not …
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Development of decision support tool for advising on selecting ballast water treatment system
… support tool for selecting a Ballast Water Treatment System (BWTS) for a given ship. A single decision has to be made between a number of given BWTS alternatives for a VLCC tanker under its voyage in the presence of a single decision maker. The decision support tool was developed using the …
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The development of process kinetics for a waste treatment system utilizing filamentous microorganisms
The capabilities of a biological waste treatment system designed to utilize filamentous microorganisms were defined in this study. Various chemical and physical tests such as pH, suspended solids, COD, BOD, sludge production, and oxygen utilization were used to determine the effects of parameters …
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Geophysical characterization of onsite wastewater treatment system effects on groundwater quality, eastern North Carolina
Onsite wastewater treatment systems (OWS) are a potential non-point source of pollution that can result in water quality degradation in groundwater and surface water. Locating OWS wastewater plumes in the subsurface often requires extensive site instrumentation and monitoring. The application of …
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Design of a mobile community level water treatment system based on Humidification Dehumidification desalination
… to organize the components of the desalination system. Two systems were created for this purpose, a single-dehumidifier system (SDS) and a multiple-dehumidifier system (MDS). These systems maximize on the amount of accessible space while minimizing on used material. While the SDS assembly may …
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An economic study of the present feedwater treatment system at the V.P.I. power plant
… of the present boiler feed water treating system at the VPI Power Plant. In carrying out the investigation, two testing periods were conducted, each lasting for four weeks and the first period was preliminary in nature. The experimental results revealed that the cost on caustic soda(NaOH) …
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Microwave-based Pretreatment, Pathogen Fate and Microbial Population in a Dairy Manure Treatment System
… the use of microwave-based thermochemical pretreatment to simultaneously enhance manure anaerobic digestibility (through fiber degradation) and struvite precipitation (through phosphorus solubilization). Microwave heating combined with different chemicals (NaOH, CaO, H₂SO₄, or HCl) enhanced …
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The performance of integrated groundwater treatment system in treating shallow groundwater in Parit Raja, Johor
… groundwater quality using Integrated Groundwater Treatment System (IGTs). The system was designed and installed in the hydro-meteorology station at UTHM. Initially, hydrochemical characterisation of the groundwater were determined using piper diagram and statistical analysis. The optimum …
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Effects of Grazers and Elevated Temperature on the Dynamics of a Wastewater Algal Treatment System
<p>Wastewater algal treatment systems (ATS) have been shown to effectively remove excessive nutrients from wastewater and prevent eutrophication. However, the performance of ATS could be strongly affected by environmental factors. This study examined (1) the effect of grazers on nutrient removal …
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