NDLI: The effect of gas circulation on the performance of Anammox UASB reactor

Content Provider	IEEE Xplore Digital Library
Author	Wang Junmin Wang Shuying Ma Bin Zhang Shujun
Copyright Year	2011
Description	Author affiliation: Key Laboratory of Beijing for Water Quality Science and Water Environmental Recovery Engineering, Beijing University of Technology, 100124, China (Wang Junmin; Wang Shuying) \|\| Center of Technology Development, Beijing Drainage Group Co.Ltd., 100022, China (Ma Bin; Zhang Shujun)
Abstract	The Performance of the Anammox reactor can be improved by enhancing mass transfer. Gas circulation was one of the methods. In this study, the influence of gas circulation on the performance of two Anammox reactors were investigated. One was floc sludge UASB system, the other was granular sludge UASB system. Obtained results showed that the removal efficiency of the floc sludge UASB couldn't be improved by using the gas circulation. And serious loss of sludge was also found. While in the granular UASB, the mixing characteristics of fluid was enhanced and the removal efficiency was also improved significantly by using the gas circulation. Furthermore, the gas circulation didn't cause washout of anammox granules and the deterioration of anammox process. In order to enhance the sludge settle ability as gas circulating, the structure of three-phase separator of the UASB need be improved to enhance the gas-sludge separation.
Starting Page	4625
Ending Page	4629
File Size	391530
Page Count	5
File Format	PDF
ISBN	9781457702891
e-ISBN	9781457702907
DOI	10.1109/ICETCE.2011.5774224
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-04-22
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	UASB reactor Gas circulation Anammox Oxidation Biology Wastewater Nitrogen Inductors Biomedical monitoring Granular sludge Monitoring Floc sludge
Content Type	Text
Resource Type	Article

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