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	Removal of nitrate from groundwater by heterotrophic denitrification using the solid carbon source
	Wang XuMing ; Wang JianLong
	2010-10-12 ; 2010-10-12
关键词	groundwater nitrate denitrification solid carbon source poly (epsilon-caprolactone) BIOLOGICAL DENITRIFICATION GLYCYRRHIZA-GLABRA WATER POLYCAPROLACTONE SUBSTRATE DONAX Chemistry, Multidisciplinary
中文摘要	Removal of nitrate from groundwater was investigated using biodegradable meal box (BMB) and poly(E >-caprolactone) (PCL) as carbon source and biofilm carrier. The experimental results show that nitrate in groundwater can be effectively removed using BMB and PCL as carbon source. Denitrification rates supported by BMB and PCL were 52.80 and 42.77 mg (NO3-N)/(m(2)center dot h), respectively, at 30A degrees C and pH 7.5. The pH value of effluent ranged from 7 to 8, and NO2-N concentration was less than 0.1 mg/L. Compared with BMB, PCL could decrease nitrite accumulation; however, more significant influence of temperature on denitrification was observed for PCL as carbon source. Temperature constants for BMB and PCL were 0.045 and 0.068, respectively, at 10-30A degrees C. Based on denitrification efficiency and cost, BMB is more suitable as a carbon source for denitrification of groundwater than PCL.
语种	英语 ; 英语
出版者	SCIENCE PRESS ; BEIJING ; 16 DONGHUANGCHENGGEN NORTH ST, BEIJING 100717, PEOPLES R CHINA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/79234]
专题	清华大学
推荐引用方式 GB/T 7714	Wang XuMing,Wang JianLong. Removal of nitrate from groundwater by heterotrophic denitrification using the solid carbon source[J],2010, 2010.
APA	Wang XuMing,&Wang JianLong.(2010).Removal of nitrate from groundwater by heterotrophic denitrification using the solid carbon source..
MLA	Wang XuMing,et al."Removal of nitrate from groundwater by heterotrophic denitrification using the solid carbon source".(2010).

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