Activated sludge and aerobic biofilm reactors / / Marcos von Sperling, Department of Sanitary and Environmental Engineering, Federal University of Minas Gerais, Brazil

• Record Nr.: UNINA9910231249103321
• Autore: Sperling Marcos von
• Pubbl/distr/stampa: London : , : IWA Publishing, , 2007
• ISBN: 1-68015-588-1; 1-78040-212-0
• Descrizione fisica: 1 online resource (338 p.)
• Collana: Biological wastewater treatment series ; ; volume 5
• Disciplina: 628.35
• Soggetti: Sewage - Purification
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Note generali: Description based upon print version of record.
• Nota di bibliografia: Includes bibliographical references.
• Nota di contenuto: ""Cover""; ""Copyright""; ""Contents""; ""Preface""; ""The authors""; ""1. Activated sludge process and main variants""; ""1.1 Introduction""; ""1.2 Variants of the activated sludge process""; ""2. Principles of organic matter removal in continuous-flow activated sludge systems""; ""2.1 Preliminaries""; ""2.2 Sludge age in activated sludge systems""; ""2.3 Suspended solids concentration in the reactor""; ""2.4 Calculation of the reactor volume""; ""2.5 Substrate removal""; ""2.6 Soluble BOD and total BOD in the effluent""; ""2.7 Sludge digestion in the reactor""; ""2.8 Recirculation of the activated sludge""""2.9 Production and removal of excess sludge""; ""2.10 Oxygen requirements""; ""2.11 Nutrient requirements""; ""2.12 Influence of the temperature""; ""2.13 Functional relations with the sludge age""; ""3. Design of continuous-flow activated sludge reactors for organic matter removal""; ""3.1 Selection of the sludge age""; ""3.2 Design parameters""; ""3.3 Physical configuration of the reactor""; ""3.4 Design details""; ""4. Design of activated sludge sedimentation tanks""; ""4.1 Types of sedimentation tanks""; ""4.2 Determination of the surface area required for secondary sedimentation tanks""""4.3 Design details in secondary sedimentation tanks""; ""4.4 Design of primary sedimentation tanks""; ""5. Design example of an activated sludge system for organic matter removal""; ""5.1 Introduction""; ""5.2 Model parameters and coefficients""; ""5.3 ; Design of the conventional activated sludge system""; ""5.4 Summary of the design""; ""6. Principles of biological nutrient removal""; ""6.1 Introduction""; ""6.2 Nitrogen in raw sewage and main transformations in the treatment process""; ""6.3 Principles of nitrification""""6.4 Principles of biological denitrification""; ""6.5 Principles of biological phosphorus removal""; ""7. Design of continuous-flow systems for biological nutrient removal""; ""7.1 Biological nitrogen removal""; ""7.2 Biological removal of nitrogen and phosphorus""; ""8. Intermittent operation systems (sequencing batch reactors)""; ""8.1 Introduction""; ""8.2 Principles of the process""; ""8.3 Process variants""; ""8.4 Design criteria for sequencing batch reactors""; ""8.5 Design methodology for sequencing batch reactors""; ""8.6 Design example of a sequencing batch reactor""""9. Activated sludge for the post-treatment of the effluents from anaerobic reactors""; ""9.1 Design criteria and parameters""; ""9.2 Design example of an activated sludge system for the post-treatment of the effluent from a UASB reactor""; ""10. Biological selectors""; ""10.1 Introduction""; ""10.2 Types of selectors""; ""11. Process control""; ""11.1 Introduction""; ""11.2 Basic concepts of process control""; ""11.3 Dissolved oxygen control""; ""11.4 Solids control""; ""11.5 Monitoring the system""; ""12. Identification and correction of operational problems""