Activated sludge and aerobic biofilm reactors

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Bibliographic Details
Main Author Sperling, Marcos von (Author)
Format Electronic eBook
LanguageEnglish
Published London : IWA Publishing, 2007.
SeriesBiological wastewater treatment series ; volume 5.
Subjects
Sewage > Purification.
elektronické knihy
electronic books
Online AccessFull text
ISBN9781780402123
1780402120
9781680155884
1680155881
1843391651
9781843391654
Physical Description1 online resource (338 pages)

Cover

Table of Contents:
  • 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 sludge2.9 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 tanks4.3 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 nitrification6.4 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 reactor9. 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

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