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Mathematical modeling is a useful tool for the design, analysis and control of wastewater treatment systems.
The activated sludge process is one of the most common processes used in wastewater treatment, and therefore is a particularly important candidate for the application of mathematical models.
In the 1980s, a task group organized by the International Association on Water Quality (IAWQ) developed a conceptual model of the activated sludge process, which has become an industry-wide standard for the development of computer-based activated sludge models. A recent version of the IAWQ model incorporates 19 components, 17 processes, and numerous rate and stoichiometric coefficients.
It is difficult and costly to quantify all of the necessary coefficients for any given application of the model; consequently, it is important to identify the most critical wastewater and biomass components and the relevant coefficients to be quantified for the most common uses of the model.
It is also important to provide guidance to potential model users on the use of default and/or estimated values for the remaining parameters.
WEF/WERF Study Quantifying Nutrient Removal Technology Performance
The Water Environment Research Foundation (WERF) Nutrient Challenge Research Program and the Water Environment Federation (WEF) cooperated in a comprehensive study of nutrient removal plants...
Case Study Application of Determining End of Asset Physical Life Using Survival Analysis: Cincinnati and Milwaukee
Utilities are about investment; the most significant management cycle is the annual operational and capital budget cycle. Budgets can be thought of as the financial...
Assessing Methods of Removing Metals from Wastewater
The presence of cationic pollutant metals in municipal wastewater effluent is a concern because stringent discharge requirements cannot always be met...
Disinfecting and Stabilizing Biosolids Using E-Beam and Chemical Oxidants
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...
Pharmaceutical Wastewater Treatment Technologies: Concepts and implementation strategies
Pharmaceutical wastewater is now a major concern due to the improper legislation around the globe and the poor implementation of existing laws. This book covers the various aspects of...
Aerobic Granular Sludge
Aerobic Granular Sludge has recently received growing attention by researchers and technology developers, worldwide. Laboratory studies and preliminary field tests led to the...
Cryptosporidium Removal, Occurrence, and Inactivation Methods for Wastewater
Treatment of drinking water was once considered sufficient for reducing the risk of infection from pathogenic organisms. However, as our knowledge of established and emerging pathogens in water...
Phosphorus: Polluter and Resource of the Future: Removal and Recovery from Wastewater
Phosphorus has always been both a curse and a blessing. On the one hand, it is essential for all life forms and cannot be replaced by anything. On the other hand, wastewater treatment aims to...