Sewage sludge technologies

Wang, F. Y., Rudolph, V. and Zhu, Z. H. (2008). Sewage sludge technologies. In Sven Erik Jorgensen and Brian Fath (Ed.), Encyclopedia of ecology (pp. 3227-3242) Oxford, England: Elsevier. doi:10.1016/B978-008045405-4.00078-1

Author Wang, F. Y.
Rudolph, V.
Zhu, Z. H.
Title of chapter Sewage sludge technologies
Title of book Encyclopedia of ecology
Place of Publication Oxford, England
Publisher Elsevier
Publication Year 2008
Sub-type Research book chapter (original research)
DOI 10.1016/B978-008045405-4.00078-1
Year available 2008
ISBN 9780080454054
Editor Sven Erik Jorgensen
Brian Fath
Start page 3227
End page 3242
Total pages 16
Collection year 2009
Language eng
Subjects C1
961199 Physical and Chemical Conditions of Water not elsewhere classified
0904 Chemical Engineering
Abstract/Summary This article provides introductory explanations on sewage sludge technologies. These technologies are divided into three categories, namely sewage sludge characterization and ecology; municipal wastewater treatment using activated sludge processes; and sludge processing. Commonly accepted sewage sludge compositions, indices, classification criteria, and ecology are summarized in the first part, which forms a foundation for further developments. A study on municipal wastewater treatment using activated sludge processes is then carried out with emphasis on the biological nutrient removal accomplished in the secondary wastewater treatment stage. Biological reaction mechanisms for the removal of organic carbon, nitrogen, and phosphorous compounds, together with modeling and control issues encountered in activated sludge processes, are addressed. Finally, various sludge processing techniques including thickening and floatation, stabilization, conditioning, dewatering, and drying preceding final disposal and the ecological impacts are analyzed.
Keyword Activated sludge
Biological nutrient removal (BNR)
Ecological impacts
Modeling and control
Sewage characterization and ecology
Sludge dewatering and drying
Sludge disposal and utilization
Sludge settlement
Sludge stabilization
Wastewater treatment
Q-Index Code C1
Q-Index Status Confirmed Code
Additional Notes v. 1. A-C -- v. 2. D-F -- v. 3. G-O -- v. 4. P-S -- v. 5.T-Z and index.

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