Performance and microbial community of a novel non-aeration-based up-flow bioelectrochemical filter (UBEF) treating real domestic wastewater

doi:10.1016/j.cej.2018.04.200

CORC > 成都生物研究所 > 中国科学院成都生物研究所 > 食品安全与环境治理领域 > 应用与环境微生物研究

	Performance and microbial community of a novel non-aeration-based up-flow bioelectrochemical filter (UBEF) treating real domestic wastewater
	Yang, Nuan 1,2; Zhan, Guoqiang 1; Li, Daping 1; He, Xiaohong 1; Zhang, Yanyan 1; Jiang, Qinrui 1; Liu, Hong 2; Wang, Chuan 2
刊名	CHEMICAL ENGINEERING JOURNAL
	2018
卷号	348 期号:2018 页码:271-280
关键词	Non-aeration-based Up-flow bioelectrochemical filter reactor (UBEF) Air-exposed biocathode Domestic wastewater Nitrogen-removing bacteria (NRB)
ISSN号	1385-8947
DOI	10.1016/j.cej.2018.04.200
产权排序	1
文献子类	Article
英文摘要	Domestic wastewater treatment process via the activated sludge is complicated, energy-negative and potentially harmful. In this study, an up-flow bioelectrochemical filter reactor (UBEF) was designed without positive aeration in-priority for treating real domestic wastewater under different hydraulic retention times (HRTs). The removal of chemical oxygen demand (COD), ammonia and total nitrogen was attained at a high efficiency of 89%, 99% and 99% respectively, when HRT was set at h1 of similar to 2.53 d. However, with the decreased of HRT from 2.53 to 0.28 d, the removal efficiency of nitrogen and COD decreased to 50% and 40% respectively, but the maximum power density increased from 3.01 to 98.90 mW/m(3) with a low Coulombic efficiency of 0.25-1.51%. The results demonstrated that the UBEF can remove COD and ammonia from real domestic wastewater in an aeration-free energy sustainable process, although its power output was low. Moreover, the functional bacteria were detected using 16S rRNA gene-based pyrosequencing analysis, which showed that the microbial communities were different under varied HRT conditions. The Thauera-dominated consortium was inoculated in order to enhance the removal of pollutants and the generation of electricity from domestic wastewater, it was kept at a relative abundance when continuously feeding the real wastewater. In particular, nitrogen removing bacteria (NRB) including Nitrosomonas, Ignavibacterium, Thiobacillus, Dokdonella, Comamonas, Sterolibacterium and Flavobacterium were enriched on the anode and the cathode of the UBEF, which contributed to nitrogen removal
学科主题	Chemical Engineering
URL标识	查看原文
WOS关键词	FUEL-CELL ; AIR-CATHODE ; SP-NOV. ; ELECTRICITY-GENERATION ; NITROGEN REMOVAL ; GEN. NOV. ; DENITRIFICATION ; EFFICIENCY ; BACTERIAL ; MEMBRANE
WOS研究方向	Engineering
语种	英语
出版者	ELSEVIER SCIENCE SA
WOS记录号	WOS:000434467000027
内容类型	期刊论文
源URL	[http://210.75.237.14/handle/351003/30646]
专题	环境治理与食品安全领域_应用与环境微生物研究
作者单位	1.Chinese Acad Sci, Chengdu Inst Biol, CAS Key Lab Environm & Appl Microbiol, 9 South Renmin Rd,4th Sect, Chengdu 610041, Sichuan, Peoples R China; 2.Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education; Institute of Environmental Research at Greater Bay, Guangzhou University, Guangzhou 510006, China
推荐引用方式 GB/T 7714	Yang, Nuan,Zhan, Guoqiang,Li, Daping,et al. Performance and microbial community of a novel non-aeration-based up-flow bioelectrochemical filter (UBEF) treating real domestic wastewater[J]. CHEMICAL ENGINEERING JOURNAL,2018,348(2018):271-280.
APA	Yang, Nuan.,Zhan, Guoqiang.,Li, Daping.,He, Xiaohong.,Zhang, Yanyan.,...&Wang, Chuan.(2018).Performance and microbial community of a novel non-aeration-based up-flow bioelectrochemical filter (UBEF) treating real domestic wastewater.CHEMICAL ENGINEERING JOURNAL,348(2018),271-280.
MLA	Yang, Nuan,et al."Performance and microbial community of a novel non-aeration-based up-flow bioelectrochemical filter (UBEF) treating real domestic wastewater".CHEMICAL ENGINEERING JOURNAL 348.2018(2018):271-280.