NUTR1R06p
Ebook only
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Standard ePrice: £28.00
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Ebook only
Available as an ebook
Please purchase via www.iwaponline.comOpens in new window
Also part of Water Intelligence Online Digital Reference Library
Standard ePrice: £28.00
+ VAT
Given the importance of the watershed protection plans, direct determination of phosphorus (P) mineralization kinetics in advanced wastewater treatment facility effluents is crucial for developing the most protective strategies for minimizing eutrophication in receiving surface waters. In this study, bioassays were used to determine the mineralization rate of dissolved P in effluents from a broad range of advanced nutrient removal technologies (MBR, traditional biological, tertiary membrane, Blue PROTM, and etc.). Mineralization kinetics were described by a gamma model and three first-order decay models. A traditional one-pool model correlated poorly with the experimental data (i.e., r2= 0.73 ± 0.09), whereas two and three-pool models performed much better (i.e., r2> 0.9). These models provided strong evidence for the existence of recalcitrant P in the effluents from these facilities. The Gamma model showed the mineralization of organic P followed a reactive continuum and further suggested the partitioning of P loads with different bioavailability levels should be accounted for the future modeling practices. Although the gamma model should be considered as theoretically correct model, the results also suggested simpler two and three-pool models could provide similar fits depending on the effluents.
WERF Report: NUTR1R06p
Municipal sewage and sludges can harbor a variety of infectious microorganisms as well as estrogenic compounds and their metabolites. Biosolids and other residuals generated from municipal...
The U.S. Environmental Protection Agency (U.S. EPA) is pursuing a number of initiatives dealing with various aspects of the identification and management of substances that are persistent, bio-...
Approximately 35% of a wastewater treatment facilities’ total cost to provide wastewater service is for energy use. Industry wide, about 0.6% of the electric energy produced in the United States...
Available as eBook only
Methane (CH4) production from sewers is a suspected, yet relatively undocumented source of greenhouse gases (GHGs). The Intergovernmental Panel on...
Microbial Ecology of Activated Sludge, written for both microbiologists and engineers, critically reviews our current understanding of the microbiology of activated sludge, the...
The main energy demands at Water Resource Recovery Facilities (WRRFs) is associated with the aeration of aerobic processes which alone accounts for over 50% of the total energy used (EPA, 1989)). ...
Phosphorus in Environmental Technology: Principles and Applications, provides a definitive and detailed presentation of state-of-the-art knowledge on the environmental behaviour...
Available as eBook only
This report describes a linked environmental dispersion, exposure, and health effects model, known as the Spreadsheet Microbial Assessment of Risk:...