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学科主题: Engineering; Environmental Sciences & Ecology; Water Resources
题名: Phosphorus removal by laboratory-scale unvegetated vertical-flow constructed wetland systems using anthracite, steel slag and related blends as substrate
作者: Wu, Junmei1, 2; He, Feng1; Xu, Dong1; Wang, Rong1, 2; Zhang, Xiangling3; Xiao, Enrong1; Wu, Zhenbin1
通讯作者: He, F (reprint author), Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China ; hefeng@ihb.ac.cn ; wuzb@ihb.ac.cn
关键词: anthracite ; phosphorus removal ; steel slag ; substrate
刊名: WATER SCIENCE AND TECHNOLOGY
发表日期: 2011
DOI: 10.2166/wst.2011.573
卷: 63, 期:11, 页:2719-2724
收录类别: SCI
文章类型: Article
部门归属: [Wu, JM; He, F; Xu, D; Wang, R; Xiao, ER; Wu, ZB] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China; [Wu, JM; Wang, R] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China; [Zhang, XL] Wuhan Univ Technol, Sch Civil Engn & Architecture, Wuhan 430070, Peoples R China
WOS标题词: Science & Technology ; Technology ; Life Sciences & Biomedicine ; Physical Sciences
资助者: National Nature Science Foundation of China[50808172, 30870221, 50909091]; Distinguished Young Scientist Fund of Hubei Province, China[2010CDA093]; Major Science and Technology Program for Water Pollution Control and Treatment of China 11th Five-Year Plan[2009ZX07106-002-004]
类目[WOS]: Engineering, Environmental ; Environmental Sciences ; Water Resources
研究领域[WOS]: Engineering ; Environmental Sciences & Ecology ; Water Resources
摘要: This research aimed to investigate the phosphorus (P) removal of a series of laboratory-scale unvegetated vertical-flow constructed wetland systems using anthracite, steel slag and related blends as substrate in treatment of low concentration domestic sewage. The long-term performance of P removal was firstly studied by using single substrate of anthracite or steel slag, and three systems applying various combined substrates were investigated when the average P loading rate varied between 0.9 and 1.5 g TP/m(2).d. The results demonstrated that both anthracite and steel slag systems were highly effective in removing total P (TP, 77.17 +/- 23.34% and 90.26 +/- 4.48%) and soluble reactive P (SRP, 92.14 +/- 12.56% and 96.20 +/- 2.58%). The system filled with anthracite, vermiculite and steel slag from the top down removed 82.45 +/- 9.52% and 87.83 +/- 8.58% of TP and SRP, respectively. However, other combined substrate systems showed comparative low and fluctuant P removal. The effluent pH was maintained at 7-9, which met environmental requirements of China. Therefore, anthracite provides a long-term high efficiency of P removal and may be a promising substrate from the standpoint of the effluent pH, and the arrangement of combined substrate has a prominent effect on P removal.
英文摘要: This research aimed to investigate the phosphorus (P) removal of a series of laboratory-scale unvegetated vertical-flow constructed wetland systems using anthracite, steel slag and related blends as substrate in treatment of low concentration domestic sewage. The long-term performance of P removal was firstly studied by using single substrate of anthracite or steel slag, and three systems applying various combined substrates were investigated when the average P loading rate varied between 0.9 and 1.5 g TP/m(2).d. The results demonstrated that both anthracite and steel slag systems were highly effective in removing total P (TP, 77.17 +/- 23.34% and 90.26 +/- 4.48%) and soluble reactive P (SRP, 92.14 +/- 12.56% and 96.20 +/- 2.58%). The system filled with anthracite, vermiculite and steel slag from the top down removed 82.45 +/- 9.52% and 87.83 +/- 8.58% of TP and SRP, respectively. However, other combined substrate systems showed comparative low and fluctuant P removal. The effluent pH was maintained at 7-9, which met environmental requirements of China. Therefore, anthracite provides a long-term high efficiency of P removal and may be a promising substrate from the standpoint of the effluent pH, and the arrangement of combined substrate has a prominent effect on P removal.
关键词[WOS]: WASTE-WATER ; MAIN SUBSTRATE ; ALUM SLUDGE ; BY-PRODUCTS ; PERFORMANCE ; MECHANISMS ; RETENTION ; NITROGEN ; FILTERS
语种: 英语
WOS记录号: WOS:000292030100034
ISSN号: 0273-1223
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/16349
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, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
3.Wuhan Univ Technol, Sch Civil Engn & Architecture, Wuhan 430070, Peoples R China

Recommended Citation:
Wu, Junmei; He, Feng; Xu, Dong; Wang, Rong; Zhang, Xiangling; Xiao, Enrong; Wu, Zhenbin.Phosphorus removal by laboratory-scale unvegetated vertical-flow constructed wetland systems using anthracite, steel slag and related blends as substrate,WATER SCIENCE AND TECHNOLOGY,2011,63(11):2719-2724
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