Inhibition of nitrate and the accumulated denitrification intermediate (nitrite) on perchlorate bioreduction

doi:10.2166/wqrjc.2014.010

	Inhibition of nitrate and the accumulated denitrification intermediate (nitrite) on perchlorate bioreduction
	Wang, Rui 4; Chen, Liang 1; Liu, Fei ; Chen, Hong H.; Zhang, Jia W.; Chen, Ming
刊名	WATER QUALITY RESEARCH JOURNAL OF CANADA
	2014
卷号	49 期号:4 页码:346-353
关键词	bioreduction denitrification intermediate negative effect nitrate nitrite perchlorate
ISSN号	1201-3080
DOI	10.2166/wqrjc.2014.010
英文摘要	Bioreduction of perchlorate and nitrate by perchlorate-reducing microorganisms (PRMs) is an environmentally friendly, economic, and efficient technology to treat mixed plumes composed of these substances. The influence of perchlorate, nitrate, and denitrification intermediates on PRM activity is a critical factor, which may affect the efficiency of treatment technology. This study investigated the inhibition of nitrate and the intermediate (nitrite) accumulated during the denitrification process on perchlorate bioreduction via a batch-type experiment. From the experiment, it was found that perchlorate had no effect on the denitrification process and that the reduction rate of perchlorate could be improved when NO3--N/ClO4- <= 1.2. However, a negative effect of nitrate on perchlorate reduction was observed when NO3--N/ClO4- > 1.2 with an accumulation of 18.0 mg NO2-N/L. This negative effect increased with the concentration of nitrate. Moreover, nitrite from the denitrification process had a similar negative effect on perchlorate reduction. Bioreduction of perchlorate was not started until nitrite was totally reduced, and a 2-13 day lag period was observed for perchlorate reduction after nitrite depletion.
学科主题	岩矿鉴定与测试
WOS关键词	MEMBRANE BIOFILM REACTOR ; REDUCING BACTERIUM ; REDUCTION ; KINETICS ; WATER ; GROUNDWATER ; REMOVAL ; SOIL ; BIODEGRADATION ; NITROGEN
WOS研究方向	Water Resources
语种	英语
出版者	IWA PUBLISHING
WOS记录号	WOS:000345158600006
内容类型	期刊论文
源URL	[http://119.78.100.197/handle/2HKVOGP0/40459]
专题	中国地质科学院地质研究所
作者单位	1.Chinese Acad Geol Sci, Inst Mineral Resources, Beijing 100037, Peoples R China 2.Tianjin Univ, Sch Civil Engn, State Key Lab Hydraul Engn Simulat & Safety, Tianjin 300072, Peoples R China 3.Liu, Fei; Chen, Hong H.] China Univ Geosci, Fac Water Resources & Environm, Beijing 100083, Peoples R China 4.中国地质科学院矿产资源研究所
推荐引用方式 GB/T 7714	Wang, Rui,Chen, Liang,Liu, Fei,et al. Inhibition of nitrate and the accumulated denitrification intermediate (nitrite) on perchlorate bioreduction[J]. WATER QUALITY RESEARCH JOURNAL OF CANADA,2014,49(4):346-353.
APA	Wang, Rui,Chen, Liang,Liu, Fei,Chen, Hong H.,Zhang, Jia W.,&Chen, Ming.(2014).Inhibition of nitrate and the accumulated denitrification intermediate (nitrite) on perchlorate bioreduction.WATER QUALITY RESEARCH JOURNAL OF CANADA,49(4),346-353.
MLA	Wang, Rui,et al."Inhibition of nitrate and the accumulated denitrification intermediate (nitrite) on perchlorate bioreduction".WATER QUALITY RESEARCH JOURNAL OF CANADA 49.4(2014):346-353.