Gerardi Michael An Operator`s Guide to Biological Nutrient Removal (BNR) in the Activated Sludge Process 9780820604169

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Автор: Gerardi Michael
Название: An Operator`s Guide to Biological Nutrient Removal (BNR) in the Activated Sludge Process
ISBN: 9780820604169
Издательство: Mare Nostrum (Eurospan)
Классификация:

Гидрология и гидросфера

Промышленная химия И технологии производства

Строительство и эксплуатация санитарно-технических и коммунальных сооружений

Обработка и утилизация отходов

ISBN-10: 082060416X
Обложка/Формат: Paperback
Страницы: 176
Вес: 0.11 кг.
Дата издания: 30.04.2016
Серия: Engineering
Язык: English
Иллюстрации: Black & white illustrations
Размер: 103 x 152 x 15
Читательская аудитория: Professional and scholarly
Ключевые слова: Industrial chemistry & manufacturing technologies,Waste treatment & disposal
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Поставляется из: Англии
Описание: Biological nutrient removal (BNR), the removal of nitrogen and phosphorus from wastewater, is a complex process. Although the activated sludge process is an efficient technology for the removal of biochemical oxygen demand (BOD) and total suspended solids (TSS), it provides less-than-optimal conditions for the removal of nitrogen and phosphorus, and presents numerous challenges to the operator trying to satisfy the many requirements for several different groups of bacteria. In addition to satisfying the requirements there are numerous, highly variable operational conditions that impact BNR. These conditions include: changes in strength and composition of the wastewater, alkalinity and pH, temperature, and presence of inhibitory and toxic wastes. Even fluctuations in flows, especially from inflow and infiltration, can adversely impact the aerobic, anoxic, and anaerobic conditions needed for successful BNR. Of the three treatment processes, nitrification, denitrification, and enhanced biological removal, nitrification is often the most difficult to achieve. Therefore, a large portion of this book reviews nitrification. Operators of the activated sludge process need to understand the basic biological, chemical, and physical requirements for BNR in order to improve the performance of these treatment processes. An Operator’s Guide to Biological Nutrient Removal (BNR) in the Activated Sludge Process is intended to help operators in the monitoring, troubleshooting, and process control of BNR. Numerous tables and figures are included in the book to help the operator understand the biological and chemical reactions that are involved in BNR processes and how the reactions can be monitored for process control.Design of BNR processes is not addressed in this book. Design is addressed in numerous engineering publications. The book serves to help operators achieve permit compliance for nitrogen and phosphorus discharge limits and obtain cost-effective operation.

An Operator`s Guide to Biological Nutrient Removal (BNR) in the Activated Sludge Process, Gerardi Michael