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题名: Performance and microbial community of simultaneous anammox and denitrification (SAD) process in a sequencing batch reactor
作者: Li, Jin; Qiang, Zhimin; Yu, Deshuang; Wang, Dan; Zhang, Peiyu; Li, Yue
刊名: BIORESOURCE TECHNOLOGY
出版日期: 2016-10
卷号: 218, 期号:0, 页码:1064-1072
关键词: Nitrogen removal ; Simultaneous anammox and denitrification (SAD) process ; Organic matter concentration ; Microbial community
DOI: 10.1016/j.biortech.2016.07.081
部门归属: 环境水质学国家重点实验室
英文摘要: A sequencing batch reactor (SBR) was used to test the simultaneous anammox and denitrification process. Optimal nitrogen removal was achieved with chemical oxygen demand (COD) of 150 mg/L, during which almost all of ammonia, nitrite and nitrate could be removed. Organic matter was a key factor to regulate the synergy of anammox and denitrification. Both experimental Delta NO2-N/Delta NH4+-N and Delta NO3-N/Delta NH4+-N values deviated from their theoretical values with increasing COD. Denitrifying bacteria exhibited good diversity and abundance, but the diversity of anammox bacteria was less abundant. Brocadia sinica was able to grow in the presence of organic matter and tolerate high nitrite concentration. Anammox bacteria were predominant at low COD contents, while denitrifying bacteria dominated the microbial community at high COD contents. Anammox and denitrifying bacteria could coexist in one reactor to achieve the simultaneous carbon and nitrogen removal through the synergy of anammox and denitrification. (C) 2016 Elsevier Ltd. All rights reserved.
收录类别: SCI
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内容类型: 期刊论文
URI标识: http://ir.rcees.ac.cn/handle/311016/36064
Appears in Collections:环境水质学国家重点实验室_期刊论文

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