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Bayesian networks and their associated methods are especially suited for capturing and dealing with uncertainty. They can be successfully applied both in engineering sciences and in reliability analyses of water distribution systems. In this paper we propose an interactive Bayesian network and a decision-theoretic system which intend to monitor water loss, predict likely outcome and select appropriate decisions.
Problem: Operators know aerobic and anaerobic systems need sufficient water temperature to keep microbial populations active and working. Heat loss is detrimental to effluent quality and gas production. Both systems can be negatively affected from low daily and seasonal temperatures. Unfortunately, most operators and engineers have no control over water temperature loss in their tanks and basins.A northern Wisconsin cheese plant was dependent upon their anaerobic digester to reduce COD to a level they could...
Increasing water demands, in parallel with water scarcity, force water utilities in developing countries to follow complex operation techniques for the distribution of the available amounts of water. The reduction of water losses from water supply systems can help fill the gap between supply and demand. This strategy is characterized by the variety of options, and identification of the most appropriate option is a demanding process. An integrated multi-criteria decision making framework, precisely analytic...
A major challenge facing water utilities is the high level of water losses, which affects the financial viability and adequacy of water in the system. A study was carried out from January to May 2012 to characterize water losses in selected areas of Harare, Zimbabwe. Assessment of the contribution of water leakage to total water loss was carried out through water audits in four selected suburbs. Minimum night flows were determined over a number of days, and the SANFLOW model was used to determine average real...
Water utilities are aware of the water-energy loss relevance in supply systems. However, they still mainly focus on daily water loss control (real and apparent losses), without considering the impact on embedded energy. Moreover, they are mostly concerned with the economic dimension and, in most cases, tend to disregard the impact that water-energy loss may have on the quality of service, communication with the consumers, social awareness, water quality and environment. This paper focuses on the application of...
Water loss management is one of the most important issues facing water suppliers around the world. The Sustainable Development Goals have made poverty alleviation and access to safe drinking water a political priority. Targets on providing safe drinking water as a basic human right aim to ensure everyone can access a safe water supply. Unfortunately, the reality is that many of the most vulnerable around the globe still struggle to find a reliable supply of safe drinking water. Water shortages are being experience...
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