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题名: Nitrification and denitrification in the integrated vertical flow constructed wetlands
作者: He Feng ; Wu Zhen-bin ; Tao Jing ; Cheng Shui-ping ; Fu Gui-ping
通讯作者: He Feng ; Chinese Acad Sci, State Key Lab Fresh Water Ecol and Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China
刊名: Huanjing Kexue
发表日期: 2005
卷: 26, 期:1, 页:47-50
收录类别: 其他
英文摘要: Nitrification and denitrification in the different layers of the integrated vertical flow constructed wetlands (IVCW) are studied. The results show the constants rate of nitrification and denitrification in the strata of IVCW were 0.01 similar to 6.35 mu g.(g.d)(-1) and 3.37 similar to 4.19 mu g.(g.d)(-1) respectively. The most probable number (MPN) method are employed to determine the number and distribution of nitrifying and denitrifying bacteria in the strata of the system. The results show that the numbers of nitrifying and denitrifying bacteria were 7.5 x 10(3) similar to 1.1 x 10(5) MPN.g(-1) and 7.5 x 10(6) similar to 1.1 x 10(7) MPN.g(-1) respectively. The positive correlation between bacteria and their action was obvious (r = 0.9661, P < 0.001, r = 0.7722, p < 0.025). It is also observed that the number of nitrifying bacteria and nitrification rate was decreased along the direction of the water in the IVCW, while denitrifying bacteria and denitrification rate was increased. And there was the significant negative correlation between nitrification and denitrification rate( r -0.9776, p < 0.001).
ISSN号: 0250-3301
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/18555
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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He Feng; Wu Zhen-bin; Tao Jing; Cheng Shui-ping; Fu Gui-ping.Nitrification and denitrification in the integrated vertical flow constructed wetlands,Huanjing Kexue,2005,26(1):47-50
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