Approaches to Maintaining Consistently High Quality Recycled Water in Storage and Distribution Systems

The project investigates the treatment, disinfection, and operational practices that will help ensure that high quality recycled waters are maintained through storage and distribution....

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Enhanced Disinfection of Adenoviruses with UV Irradiation

The project investigates the UV inactivation of adenovirus, comparing two common UV technologies—low and medium pressure lamps—and two methods of adenovirus infectivity assays—cell culture and a mouse animal model....

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Urban Recycled Water Programs: Identifying Evaluation Metrics and Understanding Key Organizational Relationships

The objectives of this project were to identify, through expert opinion, a set of common metrics for understanding urban recycled water program performance....

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Fit for Purpose Water: The Cost of Overtreating Reclaimed Water

The overall objective of this project was to develop and apply a Triple Bottom Line (TBL) framework to help guide sound selection of an appropriate water reuse treatment process....

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New Techniques for Real-Time Monitoring of Membrane Integrity for Virus Removal: Pulsed-Marker Membrane Integrity Monitoring System

This project was designed to develop a system and approach for real-time integrity monitoring of high pressure reverse osmosis/nanofiltration (RO/NF) membrane systems by using pulsed dosing and online detection of fluorescent molecular markers (i.e., tracers), referred to herein as pulsed-marker membrane integrity monitoring (PM-MIMo)....

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Investigation of Desalination Membrane Biofouling

This project has three main objectives. The first was to identify and quantify the water quality constituents and environmental factors that trigger accelerated biofouling of seawater reverse osmosis (SWRO) membranes and to determine key species of marine microorganisms involved in biofilm formation....

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Real-Time Monitoring Tools to Characterize Microbal Contaminants in Reclaimed Water: State-of-the-Science Assessment

The project is a state-of-the-science assessment of real-time and near real-time analytical detection methods for monitoring pathogenic microorganisms and treatment efficiency surrogates (such as coliforms) in reclaimed water....

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Development of Bioanalytical Techniques to Assess the Potential Human Health Impacts of Recycled Water

The project advances the science and application of bioanalytical tools for water quality assessment....

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Utilization of Hazard Analysis and Critical Control Points Approach for Evaluating Integrity of Treatment Barriers for Reuse

The project builds on Australian and broader international experience with HACCP for recycled water management and help evaluate, pilot test, and tailor a HACCP approach for microbial control in U.S. reclaimed water systems, including consideration of the benefits and disadvantages of adopting a HACCP approach...

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