Effect of different salinity adaptation on the performance and microbial community in a sequencing batch reactor

被引：113
作者：
Zhao, Yuanyuan [1 ,2 ]
Park, Hee-Deung [3 ]
Park, Jeong-Hoon [3 ]
Zhang, Fushuang [1 ]
Chen, Chen [1 ]
Li, Xiangkun [2 ]
Zhao, Dan [1 ,2 ]
Zhao, Fangbo [1 ,2 ]
机构：
[1] Harbin Engn Univ, Sch Mat Sci & Chem Engn, Harbin 150001, Peoples R China
[2] Harbin Inst Technol, State Key Lab Urban Water Resource & Environm, Harbin 150090, Peoples R China
[3] Korea Univ, Sch Civil Environm & Architectural Engn, Seoul, South Korea
来源：
BIORESOURCE TECHNOLOGY | 2016年 / 216卷
基金：
中国国家自然科学基金;
关键词：
Activated sludge; High-throughput amplicon sequencing; Microbial community; Phylogenetic analysis; Salinity influence; WASTE-WATER; SP NOV; NUTRIENT REMOVAL; MEMBRANE BIOREACTOR; GEN; NOV; BIOMASS; SALT; NITRIFICATION; DEGRADATION; IMPACT;
D O I：
10.1016/j.biortech.2016.06.032
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
The performance and microbial community profiles in a sequencing batch reactor (SBR) treating saline wastewater were studied over 300 days from 0 wt% to 3.0 wt% salinity. The experimental results indicated that the activated sludge had high sensitivity to salinity variations in terms of pollutants removal and sedimentation. At 2.0 wt% salinity, the system retained a good performance, and 95% removal rate of chemical oxygen demand (COD), biochemical oxygen demand (BOD), NH4+-N and total phosphorus (TP) could be achieved. Operation before addition salinity revealed the optimal performance and the most microbial diversity indicated by 16S rRNA gene clone library. Sequence analyses illustrated that Candidate_division_TM7 (TM7) was predominant at 2.0 wt% salinity; however, Actinobacteria was more abundant at 3.0 wt% salinity. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：808 / 816
页数：9
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