Activated Sludge: Bulking and Foaming Control

Contemporary Activated Sludge Process: History and Development of Activated Sludge Process - History and Development of Bulking and Foaming Control - Unified Description of Activated Sludge Process - Basic Biochemistry and Microbiology of the Activated Sludge Process: - Terminology of Biochemical Processes - Metabolism of Carbonaceous Compounds - Nitrogen Metabolism - Phosphorus Metabolism - Sulphur Metabolism - Microbiology of Activated Sludge Activated Sludge Separation Problems: Well Settling Activated Sludge - Problems with the Separation of Activated Sludge from Treated Wastewaters - Evaluation of Settling and Foaming Properties of Activated Sludges - Filamentous Microorganisms in Activated Sludge: Filamentous Growth Form - Identification of Filamentous Microorganisms - Most Common Filamentous Microorganisms in Activated Sludges - Control of Filamentous Bulking: Principles of Kinetic Selection of Floc-Forming Microorganisms - Metabolic Selection in Activated Sludge - Modifications of Activated Sludge Process for Filamentous Bulking Control - Design for Bulking Control Activated Sludge Systems - Nonspecific Methods of Filamentous Bulking Control - Control of Filamentous Foaming - Manipulation of Biomass Retention Time * Kinetic and Metabolic Selection - Use of Chemicals and Antifoam Agents - Physical Removal of Biological Foams.