Journal
PROCESS BIOCHEMISTRY
Volume 49, Issue 12, Pages 2207-2213Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.procbio.2014.10.008
Keywords
Enhanced biological phosphorus removal; Glycogen accumulating organisms; Inhibitory factors; Mechanism; Modeling; Polyphosphate accumulating organisms
Categories
Funding
- National Natural Science Foundation of China [21276236]
- Major Scientific and Technological Special Emphasis on Social Development Project of Zhejiang Province, China [2011C13014]
- Project of International Cooperation (Collaborative Research) in Science and Technology [2013C24015]
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Enhanced biological phosphorus removal (EBPR) technology has been widely considered as a key strategy in preventing eutrophication and recognized as the advancing front of research in wastewater treatment. The key to keep its high efficiency in biological phosphorus removal is to optimize the operation and management of the system. Previous research in this field has undoubtedly improved understanding of the factors hindered overall efficiency of EBPR. However, it is obvious that much remains to be learnt. This paper attempts to review the fundamental understanding in factors inhibiting the stability and reliability of the EBPR systems in the state-of-the-art research. In view of modeling the EBPR systems, an appropriate extension of the current mechanistic models with these inhibitory factors is recommended in order to better simulate and predict the behavior of full-scale and lab-scale EBPR plants. From the perspectives of the further mechanistic and multi-factors study, the direction of denitrifying dephosphatation and granules/biofilms are also discussed. This comprehensive overview will not only help us to understand the overall mechanism of the EBPR process, but also benefit the researchers and engineers to consider all the possible factors affecting the process in the urban sewage treatment plants. (C) 2014 Elsevier Ltd. All rights reserved.
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