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Concerns about water quality degradation resulting from land appliation of manures and biosolids have elicited a wide array of national and state regulations. The regulations focus on P as the limiting nutrient to eutrophication of most freshwater supplies and threaten to severly impact biosolids recycling.
Critical data about biosolids-P phytoavailability and run-off potential, especially field data, needed to validate the regulations are scarce.
The goal of this reseach was to supply such data. Conventionally treated biosolids exhibit both less agronomic and environmental impact, such as co-application with water treatment residuals (WTF).
Biosolids Samples Processing for Analyses of Pathogens
In this study, a two-step approach was used to develop new sample detection and processing methods that facilitate the application of molecular techniques to uses and...
BNR Process Monitoring and Control with Online Nitrogen Analyzers for Nitrogen Credit Exchange Program in Connecticut
Long Island Sound was designated as an "estuary of national significance" in 1998, and the Long Island Sound Study (LISS) was directed to develop a comprehensive conservation and management plan (...
Sources and Variability of Cryptosporidium in the Milwaukee River
The results of this project should enhance our ability to proactively improve the protection of public health. Equating the presence of pathogens to broad land use categories may help mitigate...
Energy Efficiency in Wastewater Treatment in North America: A Compendium of Best Practices and Case Studies of Novel Approaches
After manpower, energy is the highest operating cost item for most the wastewater utilities. Over the last decade, the implementation of new technologies to meet new effluent limits and water...
Chemistry of Ozone in Water and Wastewater Treatment
Even though ozone has been applied for a long time for disinfection and oxidation in water treatment, there is lack of critical information related to transformation of organic compounds. This has...
Anaerobic Reactors for Sewage Treatment: Design, Construction and Operation
Anaerobic sewage treatment using UASB reactors has significantly expanded in the last few decades and is now a consolidated technology in some warm climate regions. Several advantages of the...
Fate of Pharmaceuticals and Personal Care Products Through Municipal Wastewater Treatment Processes
Municipal wastewater treatment facilities were not specifically designed to remove xenobiotics such as endocrine disrupting compounds (EDCs) and pharmaceuticals and personal care products (PPCPs...
Integrated Wastewater Management for Health and Valorization: A Design Manual for Resource Challenged Cities
Adequate wastewater treatment in low to medium income cities worldwide has largely been a failure despite decades of funding. The still dominant end-of-pipe paradigm of treatment for surface water...