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International Journal of Innovation and Applied Studies
ISSN: 2028-9324     CODEN: IJIABO     OCLC Number: 828807274     ZDB-ID: 2703985-7
 
 
Saturday 17 November 2018

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Effect of lag-phase in the transition from oxic to anoxic conditions on the performance of the sequencing batch reactor


Volume 7, Issue 1, July 2014, Pages 393–400

 Effect of lag-phase in the transition from oxic to anoxic conditions on the performance of the sequencing batch reactor

Olfat A. Fadali1, Mamdouh M. Nassar2, Ibrahim E. Ibrahim3, Ibrahim A. Ashour4, and Nabila Shehata5

1 Chemical Engineering Dept., Faculty of Engineering, Minia University, Egypt
2 Chemical Engineering Dept., Faculty of Engineering, Minia University, Egypt
3 Chemical Engineering Dept., Faculty of Engineering, Minia University, Egypt
4 Chemical Engineering Dept., Faculty of Engineering, Minia University, Egypt
5 Dep. of Environmental research and industrial development, Faculty of Postgraduate studies for advanced sciences, Beni-Suef University, Egypt

Original language: English

Received 14 June 2014

Copyright © 2014 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


Sequencing batch reactors (SBRs) are usually preferred as small and decentralized wastewater treatment systems. Using a frequent enough switching between oxic and anoxic conditions, it is possible to bypass the second step of nitrification (i.e. conversion of nitrite to nitrate nitrogen) in SBR. The effect of oxic/anoxic ratio (R) on nutrient removal from municipal wastewater was examined in 5 m3 pilot-scale SBR operated at ambient temperature. During the react phase, the reactor was intermittently aerated specific aeration intervals. DO, pH and oxidation

Author Keywords: Sequencing Batch Reactor, Oxic/Anoxic, Nutrient Removal.


How to Cite this Article


Olfat A. Fadali, Mamdouh M. Nassar, Ibrahim E. Ibrahim, Ibrahim A. Ashour, and Nabila Shehata, “Effect of lag-phase in the transition from oxic to anoxic conditions on the performance of the sequencing batch reactor,” International Journal of Innovation and Applied Studies, vol. 7, no. 1, pp. 393–400, July 2014.