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学科主题: Environmental Sciences
题名: HYDRODYNAMIC ASPECTS OF PARTICLE CLOGGING IN THE SIMULATED VERTICAL FLOW CONSTRUCTED WETLAND USING RIVER SANDS AS SUBSTRATE
作者: Xie, Xiao-Long ; He, Feng ; Xu, Dong ; Wu, Zhen-Bin
通讯作者: He, F, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, 7 Donghu S Rd, Wuhan 430072, Hubei, Peoples R China ; hefeng@ihb.ac.cn, xudong@ihb.ac.cn
关键词: VFCW ; substrate clogging ; hydraulic conductivity ; river sands
刊名: FRESENIUS ENVIRONMENTAL BULLETIN
发表日期: 2010
卷: 19, 期:11, 页:2567-2575
收录类别: SCI
部门归属: [Xie, Xiao-Long; He, Feng; Xu, Dong; Wu, Zhen-Bin] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China; [Xie, Xiao-Long] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
资助者: China High Technology Research and Development Program of China [2009ZX07106-002-004]; China Natural Science Foundation [50808172]; Hubei Department of Science and Technology [2006AA305A03]; Key Projects of Wuhan City, Hubei, China [200860213022]
摘要: This paper introduced a simple method for evaluating and predicting the degree of clogging in simulated Vertical Flow Constructed Wetland (VFCW) based on hydraulic conductivity (k) measurement. This method was developed for better understanding of the deposition by the changes of k and the captured particles capacity in substrate void relation with both time and depth in the simulated VFCW filter bed. Additionally, in order to gain an insight into the clogging, the study put forward a VFCW hydraulic conductivity formula and then calculated the accumulated particles in filter bed according to two calculated approaches. The results showed that the most clogged location was the top layer (0-10 cm), the development of head loss in the VFCW was strongly correlated with the surface area of the captured particles from influent, the maximum change of the porosity occurred in the initial operation period, and the clogging process was progressed step by step. The paper reported the results of captured particles in filter bed void and presented an equation to calculate the predicting clogging time in VFCW.
语种: 英语
WOS记录号: WOS:000285076800014
ISSN号: 1018-4619
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/15514
Appears in Collections:水环境工程研究中心_期刊论文

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Recommended Citation:
Xie, Xiao-Long; He, Feng; Xu, Dong; Wu, Zhen-Bin.HYDRODYNAMIC ASPECTS OF PARTICLE CLOGGING IN THE SIMULATED VERTICAL FLOW CONSTRUCTED WETLAND USING RIVER SANDS AS SUBSTRATE,FRESENIUS ENVIRONMENTAL BULLETIN,2010,19(11):2567-2575
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文件名: HYDRODYNAMIC ASPECTS OF PARTICLE CLOGGING IN THE SIMULATED VERTICAL FLOW CONSTRUCTED WETLAND USING RIVER SANDS AS SUBSTRATE.pdf
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