Activated sludge model no. 2 /
Activated sludge model no. 2 /
by IAWQ Task Group on Mathematical Modelling for Design and Operation of Biological Wastewater Treatment Processes ; Mogens Henze, Willi Gujer, Takahashi Mino, Tomonori Matsuo, Mark C. Wentzel, Gerrit v. R. Marais.
- London : International Association on Water Quality, ©1995.
- iv, 32 pages : illustrations ; 30 cm
- Scientific and technical report, no. 3 1025-0913 ; .
- Scientific and technical report no. 3 .
1. Introduction -- 1.1 Background -- 1.2 Conceptual approach -- 1.3 Limitations -- 1.4 Symbols and definitions -- 1.5 Final note -- 2. The Activated Sludge Model No. 2 -- 2.1 Components in the model -- 2.1.1 Definition of soluble components, ‘S?’ -- 2.1.2 Definition of particulate components, ‘X?’ -- 2.2 Basis for the introduction of ASM2 -- 2.2.1 Matrix notation -- 2.2.2 Continuity equations -- 2.3 Biological processes, stoichiometry and kinetics -- 2.3.1 Biological processes, general remarks -- 2.3.2 Hydrolysis processes -- 2.3.3 Processes of facultative heterotrophic organisms -- 2.3.4 Processes of phosphorus-accumulating organisms -- 2.3.5 Nitrification processes -- 2.4 Chemical precipitation of phosphates -- 3. Typical wastewater characteristics, kinetic and stoichiometric constants for the Activated Sludge Model No. 2 -- 4. Wastewater characterization for activated sludge processes -- 4.1 Variations in wastewater composition -- 4.2 Characterization of wastewater -- 4.2.1 Organic fractions in municipal wastewater -- 4.2.2 Nitrogen fractions in municipal wastewater -- 4.2.3 Phosphorus fractions in municipal wastewater -- 4.3 Routine analysis of model components -- 4.4 Soluble analysis as a tool in characterization -- 4.5 Model components without standardized analytical procedures -- 4.6 Present status for measurement/estimation of problematic components -- 5. Calibration of the Activated Sludge Model No. 2 -- 5.1 Calibration levels -- 5.2 Calibration using non-dynamic data (Level 1) -- 5.2 Calibration using dynamic data (Level 2) -- 5.4 Calibration of temperature dependency -- 6. Model limitations -- 6.1 Assumptions regarding phosphate-accumulating organisms (PAOs) -- 6.2 Restrictions due to model structure -- 6.3 Constraints for useful simulations -- 6.4 Important questions for further research -- 7. Conclusion -- Bibliography.
1900222000 9781900222006
gb95080740
ACTIVATED SLUDGE
SEWAGE
SEWAGE PURIFICATION
WASTEWATER TREATMENT
WASTE DISPOSAL
MATHEMATICAL MODELS
MODELLING
TD756 / .A295x 1995
628.3:519.673
1. Introduction -- 1.1 Background -- 1.2 Conceptual approach -- 1.3 Limitations -- 1.4 Symbols and definitions -- 1.5 Final note -- 2. The Activated Sludge Model No. 2 -- 2.1 Components in the model -- 2.1.1 Definition of soluble components, ‘S?’ -- 2.1.2 Definition of particulate components, ‘X?’ -- 2.2 Basis for the introduction of ASM2 -- 2.2.1 Matrix notation -- 2.2.2 Continuity equations -- 2.3 Biological processes, stoichiometry and kinetics -- 2.3.1 Biological processes, general remarks -- 2.3.2 Hydrolysis processes -- 2.3.3 Processes of facultative heterotrophic organisms -- 2.3.4 Processes of phosphorus-accumulating organisms -- 2.3.5 Nitrification processes -- 2.4 Chemical precipitation of phosphates -- 3. Typical wastewater characteristics, kinetic and stoichiometric constants for the Activated Sludge Model No. 2 -- 4. Wastewater characterization for activated sludge processes -- 4.1 Variations in wastewater composition -- 4.2 Characterization of wastewater -- 4.2.1 Organic fractions in municipal wastewater -- 4.2.2 Nitrogen fractions in municipal wastewater -- 4.2.3 Phosphorus fractions in municipal wastewater -- 4.3 Routine analysis of model components -- 4.4 Soluble analysis as a tool in characterization -- 4.5 Model components without standardized analytical procedures -- 4.6 Present status for measurement/estimation of problematic components -- 5. Calibration of the Activated Sludge Model No. 2 -- 5.1 Calibration levels -- 5.2 Calibration using non-dynamic data (Level 1) -- 5.2 Calibration using dynamic data (Level 2) -- 5.4 Calibration of temperature dependency -- 6. Model limitations -- 6.1 Assumptions regarding phosphate-accumulating organisms (PAOs) -- 6.2 Restrictions due to model structure -- 6.3 Constraints for useful simulations -- 6.4 Important questions for further research -- 7. Conclusion -- Bibliography.
1900222000 9781900222006
gb95080740
ACTIVATED SLUDGE
SEWAGE
SEWAGE PURIFICATION
WASTEWATER TREATMENT
WASTE DISPOSAL
MATHEMATICAL MODELS
MODELLING
TD756 / .A295x 1995
628.3:519.673