Abstract：
:In this study, the effects of realistic seasonal temperatures on the nitrogen removal performance of anaerobic ammonium oxidation (anammox) and the properties of the anammox granules were comparatively investigated for 330 days. The results demonstrated that the nitrogen removal efficiency (NRE), nitrogen loading rate (NLR) and nitrogen removal rate (NRR) were decreased dramatically, as the temperature decreased from 31.2 to 2.5 °C. However, the nitrogen removal performance recovered andante as the temperature increased gradually. After low temperature exposure, the settleability tended to worsen, and granules appeared to be more irregular with a smaller average granule diameter, and the extracellular polymeric substances (EPS) content increased slightly, while the specific anammox activity (SAA) decreased obviously. This realistic seasonal temperatures based research was an illation of the actual operation, and could be potentially implemented to maintain stability for the application of anammox technology.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Guo Q,Xing BS,Li P,Xu JL,Yang CC,Jin RCdoi
10.1016/j.biortech.2015.06.049subject
Has Abstractpub_date
2015-09-01 00:00:00pages
765-73eissn
0960-8524issn
1873-2976pii
S0960-8524(15)00840-8journal_volume
192pub_type
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