Methods for Wastewater Characterization in Activated Sludge Modelling

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IWA Publishing, 1 nov 2004 - 596 pagine
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.

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Sommario

SRT System 421
4-21
SCALE SYSTEMS 221
4-22
Required for Nitrification 163
17-16
MUNICIPAL WASTEWATER TREATMENT PLANT 251
25-1
WASTEWATER TREATMENT 271
27-1
PETROCHEMICAL WASTEWATER TREATMENT PLANT 1 281
28-1
CHEMICAL WASTEWATER TREATMENT PLANT 301
30-1
Ontario WWTP Mixed Liquor Seed and Dundas Ontario WWTP Raw Influent 3513
35-13
INVESTIGATIONS 401
40-1
APPENDIX A NOMENCLATURE
40-17
OPERATING A BENCHSCALE CONTINUOUS FLOW SYSTEM
C-1
OPERATING A BENCHSCALE SBR SYSTEM
D-1
APPENDIX E DEVELOPMENT OF HIGH FM METHOD
E-1
DETAILS
F-1
DETAILS
G-1
APPENDIX H PARAMETER ESTIMATION METHOD FOR DETERMINING
H-1

with Phoenix 91st Avenue Mixed Liquor and Secondary Effluent 3521
35-22
INVESTIGATIONS 371
37-1
ESTIMATION OF SRT AT FULLSCALE PLANTS
I-1
Copyright

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