Enhancing aerobic granulation for biological nutrient removal from domestic wastewater

Coma, M., Verawaty, M., Pijuan, M., Yuan, Z. and Bond, P. L. (2012) Enhancing aerobic granulation for biological nutrient removal from domestic wastewater. Bioresource Technology, 103 1: 101-108. doi:10.1016/j.biortech.2011.10.014


Author Coma, M.
Verawaty, M.
Pijuan, M.
Yuan, Z.
Bond, P. L.
Title Enhancing aerobic granulation for biological nutrient removal from domestic wastewater
Journal name Bioresource Technology   Check publisher's open access policy
ISSN 0960-8524
1873-2976
Publication date 2012-01-01
Year available 2011
Sub-type Article (original research)
DOI 10.1016/j.biortech.2011.10.014
Volume 103
Issue 1
Start page 101
End page 108
Total pages 8
Place of publication Amsterdam, Netherlands
Publisher Elsevier
Collection year 2012
Language eng
Formatted abstract
This study focuses on the enhancement of aerobic granulation and biological nutrient removal maintenance treating domestic wastewater. Two sequencing batch reactors (SBRs) were inoculated with either only floccular sludge (100%-floc SBR) or supplemented with 10% crushed granules (90%-floc SBR). Granules developed in both reactors. The 100%-floc SBR achieved 75% of nitrogen and 93% of phosphorus removal at the end of the performance, but some floccular sludge remained in the system. The 90%-floc SBR became fully granulated and finished with 84% and 99% of nitrogen and phosphorus removal, respectively. Regarding biological phosphorus removal, nitrite was identified as an inhibitor of the process. Nitrite levels lower than 5mgN-NO2-L -1 were used for anoxic phosphate uptake while higher concentrations inhibited the process.
Keyword Aerobic granular sludge
Biological nutrient removal
Domestic wastewater
Nitrite inhibition
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Available online 10 October 2011

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2012 Collection
Advanced Water Management Centre Publications
 
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