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 106 for “"Water utilities"”.
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Measuring Energy Efficiency of Water Utilities
Water infrastructure systems worldwide use large amounts of energy to operate. Energy efficiency efforts are relevant because even relatively small gains in efficiency have the potential to bring significant benefits to these utilities in terms of financial savings and enhanced sustainability and …
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An evaluation of lime residuals management alternatives for water utilities
In the United States, some utilities provide lime softening to remove hardness from the drinking water. Lime softening generates residuals as part of the water treatment process, which are inert and non-hazardous. This report provides an environmental and economic evaluation of three lime residuals …
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Analysis of management models of water utilities and water coverage
… models (public, private, decentralized) of water utilities for increasing water access. Proponents of privatized water utilities argue profit motive incentivizes efficiency leading cost saving, infrastructure improvements, and increase usage. Proponents of publicly owned water utilities …
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Quantitative Approach to Select Energy Benchmarking Parameters for Drinking Water Utilities
… of time can improve performance of the drinking water utility substantially and reduce energy consumption. Nevertheless, the drinking water industry does not have a specific benchmarking practice to evaluate its energy performance of the system. Therefore, there are no standards to compare energy …
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The role of legal frameworks in enabling transparency in water utilities’ regulation
… thesis evaluates transparency in the context of water utilities’ regulation by comparing legal frameworks in three jurisdictions: Victoria (Australia), England (United Kingdom) and Jakarta (Indonesia). Each of these jurisdictions is selected because of their particular ownership and regulatory …
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The Municipal Bond Market and Water Utilities: The Impact of Capital Markets on Local Communities and their Water Services
… majority of medium- to large-sized municipal water utilities in the United States rely on the 4 trillion USD municipal bond market to finance all or a portion of their operations, maintenance, and capital improvements. Despite the scale and power of the bond market in setting the guardrails …
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Methodology to Enhance the Reliability of Drinking Water Pipeline Performance Analysis
Currently, water utilities are facing monetary crises to maintain and expand services to meet the current as well as the future demands. Standard practice in pipeline infrastructure asset management is to collect data and predict the condition of pipelines using models and tools. Water utilities …
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Total quality management and drinking water quality: The Waikato experience
Drinking water quality is a matter of concern in New Zealand. The quality of many New Zealand water supplies has been unsatisfactory as shown by the grading conducted since 1960 by the former Board of Health. In 1991, a quarter of the supplies surveyed failed to meet the Department of Health's …
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Guidelines for Implementing Risk-Based Asset Management Program to Effectively Manage Deterioration of Aging Drinking Water Pipelines, Valves and Hydrants
… unprecedented need to manage our deteriorating water infrastructure systems effectively to mitigate the enormous consequences of their premature failure such as loss of service, money, time, damage to other infrastructure, and damage to property. Most of the water utilities understand this need …
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Development Of A Performance Analysis Framework For Water Pipeline Infrastructure Using Systems Understanding
The fundamental purpose of drinking water distribution systems is to provide safe drinking water at sufficient volumes and optimal pressure with the lowest lifecycle costs from the source (treatment plants, raw water source) to the customers (residences, industries). Most of the distribution …
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ΥΓΕΙΟΝΟΜΙΚΗ ΚΑΙ ΜΙΚΡΟΒΙΟΛΟΓΙΚΗ ΕΡΕΥΝΑ ΤΩΝ ΣΥΣΤΗΜΑΤΩΝ ΥΔΡΕΥΣΗΣ ΣΤΗΝ ΕΛΛΑΔΑ
THE 553 PUBLIC WATER SUPPLY SYSTEMS SURVEYED, SERVED 3.373.234 PERSONS (34,6% OF THE NATIONAL TOTAL POPULATION). THE GREEK POPULATION HAD THEIR OWN WATER FROM THE DISTRIBUTION SYSTEM IN 96,3%, BUT 36% OF THE WATER UTILITIES HAD INTERMMITENT WATER SUPPLY. THE STANDARDS OF DISINFECTION MET 85% OF …
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Comparison of public and private water utility financial and management strategies
… partnerships and privatization in the water supply industry. However, the benefits of public-private partnerships and privatization are not clear. In order to better understand the consequences of the shift towards the private sector, one must recognize the different approaches used by …
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Effective management solutions for biogenic odour in drinking water
Biogenic taste and odour in drinking water has become a global concern for water utilities, as eutrophication and climate change are increasing the likelihood of algal blooms and other microbial events in waterbodies. Unpleasant taste and odour perceived by consumers may result in complaints and …
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aiWATERS: An Artificial Intelligence Framework for the Water Sector
… beyond research and academia. Concurrently, the water sector is undergoing a digital transformation, driven by challenges such as water demand forecasting, wastewater treatment, asset maintenance and management, and water quality assessment. Water utilities are at different stages in their …
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Thermal regeneration of activated carbon for the treatment of drinking water
… of synthetic organic compounds from drinking water. Drinking water utilities which use GAC must either replace or regenerate the carbon periodically. Thermal regeneration is one option for handling spent carbon.
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Development of a Performance Assessment System to Improve Water Services Sector in Iraqi Kurdistan
In many parts of the world, the key issue for water stakeholders is the lack of reliable information about the quality of the water services sector and the performance efficiencies of the water utilities’ functional components. Without effective performance assessment over time for the water …
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Safe drinking water: Experience with Water Safety Plans and assessment of risk factors in water supply
Access to adequate and clean drinking water is one of the fundamentals of a good and prosperous society. A comprehensive regulatory framework as well as institutional guidelines and procedures are necessary to secure this at any time. Iceland was one of the first countries to categorize drinking …
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AI/ML tools for early decision making in water system operations: managing non-stationarity water quality
… range of variability has traditionally guided water system management and allowed water utilities to experience steady state operations. These steady state operations are viewed as the 'normal state' of the water system. However, non-stationarity events such as wildfires, droughts, and floods …
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Enduring or escaping legacies? : Politics, inherited institutions, and rebellion in the struggle over water futures in Chile
… of politicized struggle has coalesced around water law. On one side of the struggle, water utilities, agro-export firms and entrenched political actors seek to retain the water laws inherited from the nation's 1973-1990 dictatorship. On the other, socio-political movements and recently elected …
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The inactivation of Coxsackievirus B5 with monochloramine for safe global water
Water-borne pathogens, which regularly cause morbidity and mortality, continue to pose a significant obstacle in providing safe global water to the more than 780 million people without access to improved water supply. Coxsackievirus, a RNA water-borne pathogen found worldwide, causes a range of …
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