[1]刘芳,赵鑫,潘玉瑾,等.高效异养硝化细菌富集与强化脱氮[J].东南大学学报(自然科学版),2016,46(4):807-811.[doi:10.3969/j.issn.1001-0505.2016.04.022]
 Liu Fang,Zhao Xin,Pan Yujin,et al.Enrichment and enhanced nitrogen removal of heterotrophic nitrifying bacteria[J].Journal of Southeast University (Natural Science Edition),2016,46(4):807-811.[doi:10.3969/j.issn.1001-0505.2016.04.022]
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高效异养硝化细菌富集与强化脱氮()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
46
期数:
2016年第4期
页码:
807-811
栏目:
环境科学与工程
出版日期:
2016-07-20

文章信息/Info

Title:
Enrichment and enhanced nitrogen removal of heterotrophic nitrifying bacteria
作者:
刘芳赵鑫潘玉瑾郭惠宣林琦胡筱敏
东北大学资源与土木工程学院, 沈阳 110819
Author(s):
Liu Fang Zhao Xin Pan Yujin Guo Huixuan Lin Qi Hu Xiaomin
School of Resources and Civil Engineering, Northeastern University, Shenyang 110819, China
关键词:
高效异养硝化菌 高通量测序 生物强化 脱氮 SBR
Keywords:
heterotrophic nitrifying bacteria high-throughput sequencing bioaugmentation nitrogen removal sequencing batch reactor
分类号:
X52
DOI:
10.3969/j.issn.1001-0505.2016.04.022
摘要:
以污水处理厂生化池活性污泥作为菌源,在SBR反应装置中进行异养硝化菌富集.富集后,微生物在pH值为7.5,DO为3~4 mg/L和温度为35 ℃时,NH+4-N去除效率达到99%,高通量测序显示异养硝化细菌Arthrobacter, BacillusPseudomonas之和占65.35%;以其作为接种物,投加到SBR中进行生物强化实验.结果表明,投加异养硝化菌群不仅提高了系统的硝化效率,还可以缩短水力停留时间;在进水NH+4-N质量浓度提高到100 mg/L时,出水NH+4-N质量浓度仍稳定在5 mg/L以下,NH+4-N去除效率远高于对照组.
Abstract:
The enrichment of heterotrophic nitrifying bacteria was carried out in a SBR(sequencing batch reactor)with activated sludge in the biochemical pool as inoculum. The NH+4-N removal rate reached 99% under the conditions that pH was 7.5, DO was 3 to 4 mg/L, and temperature was 35 ℃ after the enrichment. The high-throughput sequencing results show that the main heterotrophic nitrifying bacteria are Arthrobacter, Bacillus, and Pseudomonas, and the sum of these three species is 65.35%. Heterotrophic nitrifying bacteria were added to SBR to treat simulated sewage. The results show that the nitrification efficiency is improved and the HRT(hydraulic retention time)is shortened after being inoculated nitrifying bacteria. When the influent NH+4-N concentration is improved to 100 mg/L, the effluent NH+4-N concentration of the experiment group is under 5 mg/L, and thus it is much less than the control group.

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备注/Memo

备注/Memo:
收稿日期: 2015-12-01.
作者简介: 刘芳(1988—),女,博士生;胡筱敏(联系人),男,教授,博士生导师,hxmin_jj@163.com.
基金项目: 国家水体污染控制与治理重大专项资助项目(2013ZX07202-010).
引用本文: 刘芳,赵鑫,潘玉瑾,等.高效异养硝化细菌富集与强化脱氮[J].东南大学学报(自然科学版),2016,46(4):807-811. DOI:10.3969/j.issn.1001-0505.2016.04.022.
更新日期/Last Update: 2016-07-20