Nitrification and Denitrification in the Activated Sludge Process

Beschreibung

Nitrification and Denitrification in the Activated Sludge Process,the first in a series on the microbiology of wastewater treatment,comprises the critical topics of cost-effective operation, permitcompliance, process control, and troubleshooting in wastewatertreatment plants. Avoiding the technical jargon, chemicalequations, and kinetics that typically accompany such texts,Nitrification and Denitrification in the Activated Sludge Processdirectly addresses plant operators and technicians, providingnecessary information for understanding the microbiology andbiological conditions that occur in the treatment process. Of special interest to wastewater treatment plant operators arethe bacteria that degrade nitrogenous wastes-the nitrifyingbacteria-and the bacteria that degrade carbonaceouswastes-the cBOD-removing bacteria. Both groups of bacterianeed to be routinely monitored and operational conditions favorablyadjusted to ensure desired nitrification. Each chapter in thisgroundbreaking study offers a better understanding of theimportance of nitrification and denitrification and the bacteriainvolved in these crucial processes. Chapters include: * Organotrophs * The Wastewater Nitrogen Cycle * Nitrite Ion Accumulation * Dissolved Oxygen * Denitrifying Bacteria * Gaseous End Products * Free Molecular Oxygen * The Occurrence of Denitrification

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Michael H. Gerardi

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Chemie Chemistry Wasserchemie Water Chemistry

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