Characterization of the start-up of single and two-stage Anammox processes with real low-strength wastewater treatment

被引：36
|
作者：
Wu, Peng [1 ,2 ,3 ]
Zhang, Xingxing [1 ]
Wang, Xinzhu [1 ]
Wang, Chaochao [1 ]
Faustin, Fangnigbe [1 ]
Liu, Wenru [1 ,2 ,3 ]
机构：
[1] Suzhou Univ Sci & Technol, Sch Environm Sci & Engn, 1 Kerui Rd, Suzhou 215009, Peoples R China
[2] Natl & Local Joint Engn Lab Municipal Sewage Reso, 1 Kerui Rd, Suzhou 215009, Peoples R China
[3] Jiangsu Collaborat Innovat Ctr Technol & Mat Wate, 1 Kerui Rd, Suzhou 215009, Peoples R China
来源：
CHEMOSPHERE | 2020年 / 245卷
基金：
中国国家自然科学基金;
关键词：
Anammox; Single/two-stage; Low-strength; Microbial community; AUTOTROPHIC NITROGEN REMOVAL; PARTIAL NITRIFICATION; GRANULAR SLUDGE; PERFORMANCE; REACTOR; FEASIBILITY; INHIBITION; ACID;
D O I：
10.1016/j.chemosphere.2019.125572
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In order to promote the application of anaerobic ammonium oxidation (Anammox) for municipal wastewater treatment, single and two-stage Anammox processes were started up for real low-strength wastewater treatment under similar conditions for the comparison. Results showed that the anaerobic baffled reactor (ABR)-Nitritation-Anammox and the ABR-Completely Autotrophic Nitrogen removal Over Nitrite (CANON) process took 75 days and 101 days to start up with a total nitrogen removal rate of 86 -92% and 81-87% under steady state, respectively. The 16 S rRNA sequencing analysis revealed that the phylum of Proteobacteria dominated in CANON system and Anammox system with the relative abundance of 35.39% and 15.27%, respectively. Phylogenetic analysis showed that Anammox species, related to Ca. Brocadia Sinica JPN1 and Ca. Kuenenia stuttgartiensis, dominated in these two systems, respectively. The nitrogen removal performance of two-stage process was 5% higher than that of single stage process, while the start-up period and dominated Anammox species were different. (C) 2019 Elsevier Ltd. All rights reserved.
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页数：7
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