文献类型：期刊文献

英文题名：The effect of hydraulic retention time on ammonia and nitrate bio-removal over nitrite process

作者：Lu, Yaofeng[1,2];Ding, Zhibin[2];Gao, Kexin[1];Duo, Zijun[1];Xu, Shaoyi[1];Zhao, Xiaolan[2];Li, Wei[3];Zheng, Ping[1,4,5]

机构：[1]Zhejiang Univ, Coll Environm & Resources, Dept Environm Engn, Hangzhou, Peoples R China;[2]Army Engn Univ PLA, Coll Natl Def Engn, Nanjing, Peoples R China;[3]East China Univ Sci & Technol, Sch Resource & Environm Engn, Natl Engn Lab Ind Wastewater Treatment, Shanghai, Peoples R China;[4]Zhejiang Univ, Zhejiang Prov Key Lab Water Pollut Control & Envi, Hangzhou, Peoples R China;[5]Zhejiang Univ, Coll Environm & Resource Sci, MOE Key Lab Environm Remediat & Ecosyst Hlth, Hangzhou, Peoples R China

年份：2020

卷号：41

期号：10

起止页码：1275

外文期刊名：ENVIRONMENTAL TECHNOLOGY

收录：;EI(收录号：20203209033126);WOS:【SCI-EXPANDED(收录号:WOS:000542410100007)】；

基金：This work was financially supported by National Natural Science Foundation of China (51578484 and 51778563), Natural Science Foundation of Zhejiang (LZ15E080001), Research Funds for Central Universities (2017xzzx010-03).

语种：英文

外文关键词：Biological nitrogen removal; ANBON process; HRT effect; microbial community

摘要：Ammonia and Nitrate Bio-removal Over Nitrite (ANBON) is a new biological process, which couples denitratation with Anaerobic Ammonium Oxidation (ANAMMOX) to carry out simultaneous removal of nitrate nitrogen and ammonia nitrogen. The effect of hydraulic retention time (HRT) on the performance of ANBON process was investigated. The results showed that the optimal HRT was about 0.7 h and the nitrogen removal rate was 26.2 +/- 0.7 g N center dot L-1 center dot d(-1), which was at top level reported in previous literatures. The change of HRT was found to trigger the change of microbial community in the reactor, which exerted a great effect on the performance of ANBON process. The community analysis based on 16S rRNA gene indicated thatHalomonasandCandidatusKuenenia were the dominant functional bacteria in the denitratation unit and the ANAMMOX unit respectively. These results are helpful for the development and application of ANBON process.