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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 31 for “"potable reuse"”.
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A Decision Support System for Indirect Potable Reuse Based on Integrated Modeling
… facilities (WRFs) is critical for an indirect potable reuse (IPR) system, especially when the reclaimed water constitutes a major portion of the reservoir's safe yield. It requires timely and informed decision-making in response to the fluctuating operational conditions, e.g., weather patterns, …
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The Future of Direct Potable Reuse in California: Overcoming Public Acceptance Barriers
… the possibility of incorporating direct potable reuse technology in the state’s water supply portfolio is being considered by various water resource providers. This paper focuses on public acceptance challenges that may be encountered. By evaluating best practices employed by six …
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Investigation of Bromate Formation during Ozone-Biofiltration Treatment Processes for Potable Reuse Application
… component of water resource management, potable reuse of municipal wastewater has been taken into consideration. Potable reuse projects mainly employ multiple purification steps to provide effective inactivation of pathogens as well as organic and inorganic contaminants. Though …
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Impact of Indirect Potable Reuse on Endocrine Disrupting Compounds in the Potomac River Basin
… practice referred to as planned indirect potable reuse (IPR) and its impacts on EDCs. The Occoquan Watershed is a planned IPR subwatershed of the Potomac River Basin. Water samples were collected at the water reclamation plant discharge (Upper Occoquan Service Authority), up- and …
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Evaluation of Bromate Formation and Control using Preformed Monochloramine in Ozonation for Indirect Potable Reuse
… is a powerful oxidant and disinfectant used in potable wastewater reuse to destroy specific harmful compounds, including pharmaceuticals, personal care products and endocrine disrupting compounds. Ozonation also increases the biodegradability of recalcitrant organic compounds and inactivates …
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The feasibility of augmenting the Stellenbosch potable water supply by establishing a direct potable reuse plant
… the feasibility of implementing a direct potable reuse (DPR) plant to augment the future water resource mix from a technical, social, environmental and economic standpoint. Over the past two decades there has been a global shift towards direct and indirect potable reuse schemes to augment …
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Nanofiltration Rejection of Contaminants of Emerging Concern from Municipal Water Resource Recovery Facility Secondary Effluents for Potable Reuse Applications
<p>As reuse of municipal water resource recovery facility (WRRF) effluent becomes vital to augment diminishing fresh drinking water resources, concern exists that conventional barriers may prove deficient and the upcycling of contaminants of emerging concern (CECs) could prove harmful to human …
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Microorganisms and Functional Genes Associated with Cometabolic Degradation of 1,4-Dioxane in Biologically-Active Carbon Biofilters Applied for Potable Reuse Treatment
… filtration (BAF) holds potential as a novel potable reuse treatment approach that can effectively remove 1,4-dioxane. Characterization of the microbial communities associated with propane-induced cometabolism of 1,4-dioxane has largely been limited to culture or polymerase chain reaction …
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Pathogen Removal by Secondary and Advanced Water Reclamation for Water Reuse
… regions to implement more sustainable water reuse practices, alternative options such as potable water reuse have proven to provide many water management benefits. Most potable reuse treatment systems are based on membrane technologies that are energy intensive and produce brines whose …
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Removal of Total Organic Carbon and Emerging Contaminants in an Advanced Water Treatment process using Ozone-BAC-GAC
Indirect potable reuse has been practiced with the potential to enhance sustainability of water resources if planned accordingly. Depending on the pretreatment implemented for potable reuse, emerging contaminants; such as pharmaceuticals, personal care products, industrial solvents, bacterial/viral …
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Profiling of Microbial Communities, Antibiotic Resistance, Functional Genes, and Biodegradable Dissolved Organic Carbon in a Carbon-Based Potable Water Reuse System
Water reuse has become a promising alternative to alleviate stress on conventional freshwater resources in the face of population growth, sea level rise, source water depletion, eutrophication of water bodies, and climate change. Potable water reuse intentionally looks to purify wastewater effluent …
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Advanced Biofilm and Aerobic Granulation Technologies for Water and Wastewater Treatment
… in wastewater treatment, its potential for potable reuse or stormwater treatment has not been well studied. The treatment trains of pre-ozonation followed by biologically active filtration (ozone- BAF) is an advanced biofilm technology for potable reuse that can generate high-quality potable …
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Occurrence and Control of Microbial Contaminants of Emerging Concern through the Urban Water Cycle: Molecular Profiling of Opportunistic Pathogens and Antibiotic Resistance
… stormwater, wastewater, recycled water, and potable water. Collectively, this dissertation advances knowledge about the occurrence of OPs and ARGs across these water systems and highlights trends that may be of value in developing management strategies for limiting their regrowth and …
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Fundamental and Practical Aspects of Cometabolite Addition for 1,4-Dioxane Removal in Biofiltration
… human carcinogen and common contaminant in potable reuse water, drinking water, wastewater, groundwater, and landfill leachate. Historically used as a chlorinated solvent stabilizer, 1,4-dioxane can be found in legacy wastes, contaminated groundwater sites, and in trace amounts as a …
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Unveiling Causal Links, Temporal Patterns, and System-Level Dynamics of Freshwater Salinization Using Transit Time Distribution Theory
… (FSS). Simultaneously, the practice of indirect potable reuse (IPR) that augments critical water supplies with treated wastewater to enhance water security presents complexities in water quality management. This dissertation explores the complex interplay between FSS and IPR in the Occoquan …
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Analysis of Aquifer and Operational Conditions for Successful Soil Aquifer Treatment of Treated Wastewater via Synthesis of Published Full-Scale and Laboratory-Scale Studies
… facilitating the use of sustainable indirect potable reuse.</p>
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Evaluation of Soil Aquifer Treatment in a Lab Scale Soil Column Experiment
… to pathogens and contaminants in indirect potable reuse (IPR) applications. A soil column study was conducted by Hampton Roads Sanitation District in order to evaluate the effectiveness of SAT, as a component of its IPR project involving the replenishment of the Potomac Aquifer System …
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Ionic Characterization of Laundry Detergents: Implications for Consumer Choice and Inland Freshwater Salinization
… noteworthy as a flagship example of indirect potable reuse, which further adds complexity to understanding the sources of rising levels of sodium and other types of salinity. To help understand the role residential discharges might play in salinization of the Occoquan Reservoir, a suite of …
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An Investigation into the Effects of an External Electron Acceptor on Nutrient Cycling at the Sediment-Water Interface of the Occoquan Reservoir
… is that the reservoir is part of an indirect potable reuse system where the source of nitrate is the product water from an advanced water reclamation facility (WRF). Field and laboratory studies showed that nitrate at a concentration greater than 1 mg/L N was effective in controlling the …
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Occoquan Reservoir and Watershed: A Water Quality Assessment 1973–2019
… Reservoir is part of the largest indirect potable reuse systems in the United States. It in an important water supply source for the Northern Virginia area, as well as, an ecological and recreational area. Furthermore, the Occoquan Reservoir protects the water quality of the Chesapeake Bay …
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