Develop and Demonstrate Fundamental Basis for Selectors to Improve Activated Sludge Settleability: Werf Report: Treatment Processes 01-cts-4

Donald M.D. Gray (Gabb)/ Vincent P De Lange/ Mark H Chien

ISBN 10: 1843397528 / ISBN 13: 9781843397526

Published by Intl Water Assn, 2007

About this Item

illustrated edition. 220 pages. 11.25x8.00x0.50 inches. In Stock.

Seller Inventory # __1843397528

Bibliographic Details

• Title: Develop and Demonstrate Fundamental Basis for Selectors to Improve Activated Sludge Settleability: Werf Report: Treatment Processes 01-cts-4
• Publisher: Intl Water Assn
• Publication Date: 2007
• Language: English
• ISBN 10: 1843397528
• ISBN 13: 9781843397526
• Binding: Paperback
• Condition: Brand New
• Weight: 0.52 kilograms

About this title

Synopsis

Successful operation of the activated sludge process relies heavily on the ability to effectively separate mixed liquor into return activated sludge (RAS) and a high quality final effluent. Solids separation efficiency is dictated in large part by the relative population of floc-forming and filamentous microorganisms present in the activated sludge. During normal operation, mixed liquor will be composed primarily of floc-formers with relatively low levels of filamentous organisms. Some population of filamentous organisms is necessary to promote the formation of larger flocs and prevent development of a "pin-floc" condition, which often results in high effluent turbidities (Jenkins, 2004). However, when conditions favoring the growth of filaments over floc-formers occur, a condition commonly referred to as filamentous "bulking" may occur.