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 22 for “"alternative water sources"”.
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Alternative water sources for urban consumers – A novel technology for the City of Cape Town urban resident
… driest country in the world and is regarded as a water scarce country. However, for the urban residents of the City of Cape Town, the ability to reduce their municipal water consumption through initiatives, other than simply using less water, is limited. Hence, there is a need for affordable, …
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Public perception of alternative water sources and water usage : a case study of desalination and recycled Water facilities
… process for large-scale, municipal water projects is widely understood and documented. In order to assess the role of public perception on the acceptance of alternative water sources, this paper broadly evaluates public preference for alternative water source and water conservation …
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Water Supply Planning for Landscape Irrigation in Virginia
A water supply plan approach was used to investigate irrigation application on landscaped areas in Virginia with a focus on turfgrass. The economically-important turfgrass industry in Virginia should be proactive in conserving drinking water supplies to meet human consumption needs, especially in …
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Understanding the Selection and Use of Water Related Innovations in Green Buildings
This manuscript provides an understanding of water conservation related innovations in green buildings, both in terms of what is being selected in design phase and how professionals perceive their experiences with these innovations. The innovations examined include toilets, showers, sinks, …
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Using untreated and nanobubble-treated potable and wastewater in mortar
… places a significant demand on potable freshwater resources, with more than two billion tonnes of water used each year for producing concrete. The increase in population growth, demand for infrastructure, and climate-induced water scarcity, especially in arid and semi-arid regions such as …
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Systemic implementation of Vertical Greenery Systems
… provide information on the thermal impacts and water requirements of VGS, there is a need for process-based, standardized assessment methods that can be applied to different locations, building morphologies, and VGS designs. This thesis aims to provide transferable process-based calculation …
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Risk Assessment tool for water reuse - University of Cape Town as a case study
… Cape Town drought led to investigations into alternative water sources such as greywater, rainwater, and stormwater. To implement these alternative sources effectively, the associated risks must be understood. The World Health Organisation's Quantitative Microbial Risk Assessment (QMRA) …
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Development and physicochemical characterization of thin-film composite nanofiltration membranes with covalent organic framework active layers
The global demand for water is increasing due to unprecedented population growth, accelerated urbanization, economic development, and climate change. With water demand outpacing supply, intensifying periodic water shortages are driving the development of creative solutions to address this global …
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Economic Analysis of Recapturing and Recycling Irrigation Techniques on Horticulture Nurseries
The horticulture industry is facing limited water resources and public pressure to reduce non-point source pollution. In some circumstances, recapturing and recycling of irrigation water in horticultural nurseries can generate significant savings relative to the costs of alternative water sources …
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Evaluation of Dechlorinating Agents and Disposable Containers for Odor Testing of Drinking Water
As the bottled water trend continues to rise across the nation, drinking water utilities have become more concerned with ensuring consumer satisfaction of their product. Although public water supplies are safeguarded by regulations, aesthetically unappealing taste-and-odor problems have led …
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Alternative groundwater resources in North-central Texas for the development of the Barnett Shale gas play
Texas water resources are under pressure due to population growth expected in the coming decades, increasing industrial demands, and frequent periods of drought. With this increasing demand for limited water resources it is important to explore alternative water sources within the State. One of …
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Optimal pumping policy for a public supply wellfield using computational neural network with decision-making methodology
Effective management of groundwater resources is at the forefront of environmental challenges confronting mankind in the 21st century. In many regions of the world, growing human populations coupled with decades of improper use and disposal of chemical contaminants have diminished the quantity and …
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Long-Term Lab Scale Studies of Simulated Reclaimed Water Distribution: Effects of Disinfectants, Biofiltration, Temperature and Rig Design
As demand for alternative water sources intensifies, increased use of reclaimed water is important to help achieve water sustainability. In addition to treatment, the manner in which reclaimed water is distributed is a key consideration as it governs the water quality at the point of use. In this …
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Impact of Animal Waste Best Management Practices on the Bacteriological Quality of Surface Water
… the effects of a combination of BMPs on surface water quality within a watershed with complex land use. This research specifically examined bacteriological water quality and BMP impacts. Bimonthly grab samples were collected from four surface water monitoring stations, including the watershed …
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Unreliable water supplies and household coping strategies in peri-urban South Africa
… face severe challenges with the reliability of water supplies. These supplies are often characterised by intermittence, low pressure and poor water quality. Despite its contribution towards water-related illness and the significant coping burden it imposes on households, water supply reliability …
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Sustainable Mining - Solving the Problem of Chalcopyrite Treatment/Processing - Leaching, Solvent Extraction & Flotation
… Finally in chapter 3, the dissertation exams alternative water source for the flotation of chalcopyrite. Mineral flotation is a water-intensive process in mining. In order to sustain mining operations such flotation, which rely heavily on water, chapter 3 of the dissertation looks at using …
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Micro-component disaggregation of domestic water demands using machine learning
… urbanisation have increased the pressure on water supply in many countries and regions, leading to severe water stress. The escalating impacts of water pollution and climate change are exacerbating the issue of water scarcity. Increasing water supply is generally associated with the …
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Rainwater Harvesting and Community Water Security in south-west Uganda
… Uganda’s population has access to safe drinking water. Municipal water systems rarely reach the poorest, most remote communities, and where they do reach populations, quality and quantity are often inadequate due to poor system operation and maintenance. Decentralised water services, such as RWH …
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Assessing the energy implications of exploiting stormwater, through artificial aquifer recharge, as an alternative water source in the Cape Flats, South Africa
… been facing challenges in both its energy and water sectors over the past few years. They are heavily dependent on each other and a better understanding of the linkages between the two sectors is crucial for sustainable development and planning in both sectors. While the water-energy nexus has …
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Thermodynamically-driven Advances in Efficient and Cost-Effective Desalination and Brine Concentration
Global water resources face a number of challenges. Growing global population and rising standards of living have led to increased water demand for domestic use, agricultural irrigation, and industrial processes. The effects of climate change have resulted in changes to historical patterns of …
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