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Wastewater Bacteria

ISBN: 978-0-471-20691-0
272 pages
April 2006
Wastewater Bacteria (0471206911) cover image
A practical guide to wastewater bacteria and the roles they perform in wastewater treatment

Communicating material in a practical manner for operators and technicians who regulate and troubleshoot their wastewater treatment processes, Wastewater Bacteria discusses the effective control and proper operation of aerobic (activated sludge) and anaerobic (anaerobic digesters) biological treatment units to ensure that an adequate, active, and appropriate population of bacteria is present in each treatment unit. It is a hands-on guide to understanding the biology and biological conditions that occur at each treatment unit.

Avoiding unnecessary technical jargon and chemical equations, Wastewater Bacteria, the fifth book in the Wastewater Microbiology Series, explores and explains:
* Bacteria and the wastewater environment
* Enzymes and sludge production
* Nitrogen, phosphorus, and sulfur bacteria
* Floc formation and filamentous organisms
* Nitrification and denitrification
* Sulfate reduction, fermentation, and methane production
* Toxicity
* Foam and malodor production

The goal of Wastewater Bacteria is to enable plant operators to achieve the twofold basic objectives of wastewater treatment-to degrade organic wastes to a level where a significant, dissolved oxygen demand is not exerted upon receiving waters and to remove nutrients to levels where photosynthetic organisms in receiving waters are limited in their growth. This straightforward manual equips plant technicians to meet these objectives with essential information to understand the biological processes and organisms involved in wastewater treatment.
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Preface.

PART I: BACTERIA AND THEIR ENVIRONMENT.

1. Wastewater Microorganisms.

2. Microbial Ecology.

3. Bacteria.

4. Bacterial Groups.

5. Bioaugmentation.

6. Pathogenic Bacteria.

PART II: ENZYMES AND BACTERIAL GROWTH.

7. Enzymes.

8. Hydrolytic Bacteria.

9. Bacterial Growth.

PART III: NITROGEN, PHOSPHORUS, AND SULFUR BACTERIA.

10. Nitrifying Bacteria.

11. Denitrifying Bacteria.

12. Poly-P Bacteria.

13. Sulfur-oxidizing and Sulfur-reducing Bacteria.

PART IV: FLOC FORMATION.

14. Floc-forming Bacteria.

15. Filamentous Bacteria.

PART V: FERMENTATION AND METHANE PRODUCTION.

16. Fermentative Bacteria.

17. Methane-forming Bacteria.

PART VI: TOXICITY.

18. Septage.

19. Toxicity.

PART VII: FOAM AND MALODOR PRODUCTION.

20. Microbial Foam.

21. Biological Malodors.

22. Atmospheric Inversions.

References.

Abbreviations and Acronyms.

Chemical Compounds and Elements.

Glossary.

Index.

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Michael H. Gerardi holds an MS in biology from James Madison University and has authored more than ninety technical publications. He is responsible for the development and presentation of wastewater biology courses at The Pennsylvania State University and is an operational specialist with Cromaglass Corporation. Mr. Gerardi also is a wastewater biologist for Water Pollution Biology, where he provides troubleshooting of wastewater treatment plants and operator training. He can be reached at www.wastewaterbiology.com.

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"...a hand-on guide to understanding the biology and biological conditions that occur at each treatment unit."  (Journal of the American Water Resources Association, October 2006)
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