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
* 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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2006 John Wiley acetate activated sludge process aeration tank aerobic alkalinity amino acids ammonia NH3 anaerobic digester anoxic bacterial cells Beggiatoa bioaugmentation bioaugmentation products biological treatment unit biomass carbon and energy carbon dioxide cell membrane cell wall cellular chemical chlorine ciliates degradation of soluble denitrification discharge effluent enzymes exoenzymes facultative anaerobic facultative anaerobic bacteria fatty acids Figure filamentous bacteria filamentous organisms floc formation floc particles foam free molecular oxygen Gerardi Copyright groups heavy metals hydrogen sulfide increase influent inorganic ionized ammonia ions large numbers malodorous compounds MCRT metazoa methane methane-forming bacteria mixed liquor MLVSS molecules nBOD NH4+ nitrate nitrification nitrifying bacteria nitrogen Nocardioforms nutrients occurs operational conditions organic compounds organotrophs orthophosphate oxidation pathogenic phosphorus poly-P bacteria primary clarifier proteins protozoa quantity reduced released secondary clarifier septage sewer system sludge production solids substrate sulfate reduction sulfur surfactants Table temperature toxic wastes treatment process volatile Wastewater Bacteria wastewater treatment plants