Abstract：
:The accumulation of soluble microbial production (SMP) in an anammox attached film expanded bed (AAFEB) and its effect on the reactor performance were investigated in this study. During the long-term experiment, an extended HRT resulted in the accumulation of SMP and the change of treatment performance. When the SMP increased from 10.5±1.5mgL-1 to 31.7±6.4mgL-1 with the increase of influent TN concentration from 313mgL-1 to 2500mgL-1, the TN removal efficiency was stable. However, when the influent TN concentration was 3500mgL-1, the SMP concentration increased higher than 100mgL-1, the reactor soon became inhibited. Bath tests indicated that both the specific anammox activity (SAA) and the substrate tolerance ability decreased during the stable operation phases, whereas the specific denitrification activity (SDA) was significantly enhanced. In addition, N2O emissions in the anammox-denitrifier symbiotic system were greater than in the conventional nitrogen removal process.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Zhang Y,Ma H,Niu Q,Chen R,Hojo T,Li YYdoi
10.1016/j.biortech.2016.09.129subject
Has Abstractpub_date
2016-12-01 00:00:00pages
261-269eissn
0960-8524issn
1873-2976pii
S0960-8524(16)31396-7journal_volume
222pub_type
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