The Microbiology of Activated Sludge

1. Front Matter

   Pages i-xi

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2. Introduction to the microorganisms found in activated sludge processes

   • R. J. Seviour, L. L. Blackall

   Pages 1-43

3. The activated sludge process

   • R. J. Seviour, K. C. Lindrea, P. C. Griffiths, L. L. Blackall

   Pages 44-75

4. The normal microbial communities of activated sludge plants

   • R. J. Seviour

   Pages 76-98

5. Factors affecting the occurrence of filamentous bacteria in activated sludge plants

   • R. J. Seviour

   Pages 99-121

6. Current taxonomic status of filamentous bacteria found in activated sludge plants

   • R. J. Seviour, L. L. Blackall

   Pages 122-146

7. Bulking

   • L. L. Blackall

   Pages 147-160

8. Foaming

   • J. A. Soddell

   Pages 161-202

9. The microbiology of nitrogen removal in activated sludge systems

   • L. L. Blackall, P. C. Burrell

   Pages 203-226

10. Microbiological aspects of phosphorus removal in activated sludge systems

    • P. L. Bond, G. N. Rees

    Pages 227-256

11. Practical methods for the examination and characterization of activated sludge

    • K. C. Lindrea, E. M. Seviour, R J. Seviour, L. L. Blackall, J. A. Soddell

    Pages 257-300

12. Descriptions of the filamentous bacteria causing bulking and foaming in activated sludge plants

    • E. M. Seviour, R. J. Seviour, K. C. Lindrea

    Pages 301-348

13. Back Matter

    Pages 349-422

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This book has been a long time in preparation. Initially it grew out of our frustrating attempts over the past ten years to identify the filamentous bacteria seen in large numbers in most activated sludge plants, and the realization that we know very little about them and the other microbial populations in these systems. Unfortunately this book does not provide many answers to the problems these filamentous bacteria can cause, but we hope it might encourage microbiologists and engineers to communi­ cate more with each other and to spend some time trying to understand the tax­ onomy, ecology and physiology of activated sludge microbes. It is now very timely, for example, to try to provide these filamentous bacteria with proper taxonomically valid names and to determine their correct place in bacterial classifications. This book is not meant to compete directly with the books by Gray (1989, 1990) nor the excellent manual published by Jenkins and coworkers (1993b), which has been invaluable to us and others trying to identify filamentous bacteria. Wanner's book (1994a) also provides an excellent account of the problems of bulking and foaming caused by filamentous bacteria. These publications and others by Eikelboom's group have made an enormous contribution to the study of filamentous bacteria, and will con­ tinue to do so.

• bacteria
• biotechnology
• ecology
• environment
• microorganism
• microorganisms
• nitrogen
• water quality and water pollution

• Biotechnology Research Centre, La Trobe University, Bendigo, Australia

  R. J. Seviour

• Department of Microbiology, University of Queensland, Brisbane, Australia

  L. L. Blackall

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