Microbial population dynamics in response to bioaugmentation in a constructed wetland system under 10 °C

被引：101
作者：
Zhao, Xinyue [1 ]
Yang, Jixian [1 ]
Bai, Shunwen [1 ]
Ma, Fang [1 ]
Wang, Li [1 ]
机构：
[1] Harbin Inst Technol, State Key Lab Urban Water Resource & Environm, Harbin 150090, Peoples R China
来源：
BIORESOURCE TECHNOLOGY | 2016年 / 205卷
基金：
中国国家自然科学基金;
关键词：
Constructed wetland; Bioaugmentation; Bacterial community; Low temperature; NITROGEN REMOVAL; AEROBIC-DENITRIFICATION; WASTE-WATER; NITRATE; BIOREMEDIATION; NITRIFICATION; BACTERIA; BIOSTIMULATION; COMMUNITIES; TEMPERATURE;
D O I：
10.1016/j.biortech.2016.01.043
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
Compound microbial inocula were enriched and applied to a pilot-scale constructed wetland system to investigate their bioaugmentation effect on nitrogen removal under cold temperature (10 degrees C). The results showed a 10% higher removal efficiency of ammonia and total nitrogen compared to a control (unbioaugmented) group. The microbial community structures before and after the bioaugmentation were analyzed through high throughput sequencing using Miseq Illumina platform. A variation of species richness and community equitability was observed in both systems. It is demonstrated that, based on the response of both the performance and microbial community, bioaugmentation using compound microbial inocula can fine tune the bacterial population and enhance the nitrogen removal efficiency of a constructed wetland system. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：166 / 173
页数：8
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