Design and Retrofit of Wastewater Treatment Plants for Biological Nutritient Removal, Volume 5

Front Cover
Clifford W. Randall, James Lang Barnard, H. David Stensel
CRC Press, May 6, 1998 - Technology & Engineering - 434 pages
This book presents information that can be used for the design and operation of wastewater treatment plants that utilize biological nutrient removal processes, i.e., processes that utilize biological mechanisms instead of chemical mechanisms, to remove phosphorus and nitrogen from wastewaters. The book provides: basic fundamentals, concepts, and theories; design of prefermentation units, various types of BNR systems, and secondary clarifiers; retrofitting conventional activated sludge plants; modeling considerations; and special considerations for BNR systems. It includes full-scale and pilot plant case histories, design examples, and retrofit of existing plants.
 

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Contents

DESIGN OF PREFERMENTATION PROCESSES
85
DESIGN OF ACTIVATED SLUDGE BIOLOGICAL
97
Design of ThreeStage FourStage
123
Design of Oxidation Ditch BNR Systems
146
Design of Sequencing Batch Reactor BNR Systems
156
Designer Plant Case Histories
169
CLARIFIER DESIGN
185
GENERAL ACTIVATED SLUDGE MODEL FOR BIOLOGICAL
311
History of the Bulking Sludge Problem
342
SLUDGE HANDLING AND PROCESSING
375
Discussion
391
Sludge Production and Oxygen Requirements
412
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