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题名: Effects of flow speed and circulation interval on water quality and zooplankton in a pond-ditch circulation system
作者: Ma, Lin1, 2; He, Feng1; Sun, Jian1, 2; Huang, Tao1, 2; Xu, Dong1; Zhang, Yi1, 3; Wu, Zhenbin1
通讯作者: He, F (reprint author), Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China.
关键词: Pond-ditch circulation system (PDCS) ; Flow speed ; Circulation interval ; Rural wastewater ; Water quality ; Zooplankton
刊名: ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
发表日期: 2015-07-01
DOI: 10.1007/s11356-015-4195-2
卷: 22, 期:13, 页:10166-10178
收录类别: SCI
文章类型: Article
部门归属: [Ma, Lin ; He, Feng ; Sun, Jian ; Huang, Tao ; Xu, Dong ; Zhang, Yi ; Wu, Zhenbin] Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China ; [Ma, Lin ; Sun, Jian ; Huang, Tao] Univ Chinese Acad Sci, Beijing 100049, Peoples R China ; [Zhang, Yi] Universtar Sci & Technol Shenzhen Co Ltd, Shenzhen 518057, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Environmental Sciences
研究领域[WOS]: Environmental Sciences & Ecology
英文摘要: A pond-ditch circulation system (PDCS) shows great promises for ecological restoration of rural contaminated water in southern China. In this study, the optimal flow speed, circulation interval, and their combination for the system were investigated for higher pollutant removal efficiency and lower costs in three separate experiments: I, II, and III, respectively. In each experiment, there are three PDCSs (S1, S2, and S3) with different water circulation speeds or circulation intervals, respectively. The results demonstrated that in experiment I, total nitrogen (TN) removal rates, species numbers, and diversity indexes of zooplankton in S1 with a flow speed of 3.6 L/h were significantly higher than those in S2 (7.2 L/h) and S3 (10.2 L/h), respectively. Similarly, in experiment II, S3 circulating every other 4 h had significantly higher TN reduction rates, species numbers, and diversity indexes than S1 and S2 circulating every other 1 and 2 h, respectively. In experiment III, water qualities in S1 (circulation of 3.6 L/h+interval of 4 h) were better than those in S2 (7.2 L/h+4 h) and S3 (10.2 L/h+6 h), respectively. Together, circulation at every other 4 h (3.6 L/h) is probably the optimal operating condition for the PDCS in remediating rural contaminated water.
关键词[WOS]: DOMESTIC WASTE-WATER ; TROUT ONCORHYNCHUS-MYKISS ; CONSTRUCTED WETLAND ; COMMUNITY STRUCTURE ; NITROGEN REMOVAL ; FUNCTIONAL-CHARACTERISTICS ; PROTOZOAN COMMUNITIES ; TREATMENT PERFORMANCE ; SEWAGE-TREATMENT ; SOUTH-AUSTRALIA
语种: 英语
WOS记录号: WOS:000356937900056
ISSN号: 0944-1344
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/23931
Appears in Collections:水环境工程研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Universtar Sci & Technol Shenzhen Co Ltd, Shenzhen 518057, Peoples R China
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