Proceedings of the 2013 the International Conference on Remote Sensing, Environment and Transportation Engineering (RSETE 2013)

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Expanded Granular Sludge Bed (EGSB) Reactor Treating Actual Domestic Wastewater: Temperature Influence

Authors
Dong Chunjuan, Geng Zhaoyu, Wang Yanxia
Corresponding Author
Dong Chunjuan
Available Online August 2013.
DOI
10.2991/rsete.2013.78How to use a DOI?
Keywords
EGSB reactor; domestic wastewater; temperature; SMA; granules; size distribution
Abstract

To demonstrate the feasibility of using expanded granular sludge bed (EGSB) reactor as the single reactor for the treatment of domestic treatment when the temperature fluctuates between 15 (winter) and 26 (summer), the effects of operation temperature (15 , 26 ) on the performance, methanogenic activity and granular size distribution were investigated in this paper. The results indicated that the EGSB reactor could keep very high COD removal efficiencies (80.2%-82.3%) at 0.5h-0.8h HRT when treating actual domestic wastewater at ambient temperature (15 to 26 ). The COD average removal efficiencies would decrease to only 78.3% and/or 72.3% for 0.4h HRT and/or 1.0-3.0h HRT. Although enhancing could increase COD removal efficiency, the increasing quantity was comparatively limited. When using EGSB reactor to treat actual domestic wastewater at ambient temperature (15 -26 ), the 15-24L.h-1 influent flow and 3.0m.h-1 was suitable. At 26 , the SMA was not decreased. But at 15 , the SMA was distinctly decreased, however which could resume at 35 . Low temperature would compel the microorganisms to get together as soon as possible. Compared with 26 , the average size of the granules was increased from 0.9mm to 1.0mm at 15 .

Copyright
© 2013, the Authors. Published by Atlantis Press.
Open Access
This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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Volume Title
Proceedings of the 2013 the International Conference on Remote Sensing, Environment and Transportation Engineering (RSETE 2013)
Series
Advances in Intelligent Systems Research
Publication Date
August 2013
ISBN
978-90-78677-77-2
ISSN
1951-6851
DOI
10.2991/rsete.2013.78How to use a DOI?
Copyright
© 2013, the Authors. Published by Atlantis Press.
Open Access
This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

Cite this article

risenwbib
TY  - CONF
AU  - Dong Chunjuan
AU  - Geng Zhaoyu
AU  - Wang Yanxia
PY  - 2013/08
DA  - 2013/08
TI  - Expanded Granular Sludge Bed (EGSB) Reactor Treating Actual Domestic Wastewater: Temperature Influence
BT  - Proceedings of the 2013 the International Conference on Remote Sensing, Environment and Transportation Engineering (RSETE 2013)
PB  - Atlantis Press
SP  - 318
EP  - 322
SN  - 1951-6851
UR  - https://doi.org/10.2991/rsete.2013.78
DO  - 10.2991/rsete.2013.78
ID  - Chunjuan2013/08
ER  -