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Jiawei Li, Kun Dong, Shaoyuan Bai, Yubing Fan, Yishan Feng, Meina Liang and Dunqiu Wang
A combined anaerobic?anoxic?oxic moving bed biofilm reactor (A2O-MBBR) constructed wetlands process was used to treat low carbon-to-nitrogen (C/N) simulated sewage. The results showed that the removal rates of chemical oxygen demand (COD), ammonia nitrog...
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Shugeng Feng, Shengjun Xu, Xupo Zhang, Rui Wang, Xiaona Ma, Zhirui Zhao, Guoqiang Zhuang, Zhihui Bai and Xuliang Zhuang
Water pollution caused by various eutrophic nutrients such as nitrogen (N) and phosphorus (P), such as outbreaks of eutrophication in rivers and lakes, has become a serious environmental problem in China. Such problems have spurred extensive studies aimi...
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Ying-Xin Zhao, Chun-Fang Chao, Si-Yuan Zhai, Zi-Jian Wang and Min Ji
Differing from municipal wastewater, rural wastewater in salinization areas is characterized with arbitrary discharge and high concentration of salt, COD, nitrogen and phosphorus, which would cause severe deterioration of rivers and lakes. To overcome th...
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Xiujuan Chen, Guohe Huang, Haiyan Fu, Chunjiang An, Yao Yao, Guanhui Cheng and Meiqin Suo
Eutrophication has become increasingly serious in recent years, which severely impairs the aquatic ecosystem. Applying environmentally-friendly methods to effectively control the growth of algae and avoid eutrophication has been proved to be a promising ...
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Xiujuan Chen, Guohe Huang, Haiyan Fu, Chunjiang An, Yao Yao, Guanhui Cheng, Meiqin Suo
Pág. 1 - 12
Eutrophication has become increasingly serious in recent years, which severely impairs the aquatic ecosystem. Applying environmentally-friendly methods to effectively control the growth of algae and avoid eutrophication has been proved to be a promising ...
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Stefan E. B. Weisner, Karin Johannesson, Geraldine Thiere, Henrik Svengren, Per Magnus Ehde, Karin S. Tonderski
Pág. 1 - 11
During 2007?2013, the Swedish Board of Agriculture granted support within a national program to about 1000 wetlands, corresponding to a 5300-hectare wetland area, with the dual goal to remove nutrients from water and to improve biodiversity in agricultur...
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Stefan E. B. Weisner, Karin Johannesson, Geraldine Thiere, Henrik Svengren, Per Magnus Ehde and Karin S. Tonderski
During 2007?2013, the Swedish Board of Agriculture granted support within a national program to about 1000 wetlands, corresponding to a 5300-hectare wetland area, with the dual goal to remove nutrients from water and to improve biodiversity in agricultur...
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Nadine C. Boelee, Hardy Temmink, Marcel Janssen, Cees J. N. Buisman and René H. Wijffels
Microalgae can be used for the treatment of municipal wastewater. The application of microalgal biofilms in wastewater treatment systems seems attractive, being able to remove nitrogen, phosphorus and COD from wastewater at a short hydraulic retention ti...
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D. Karakashev, J.E. Schmidt, I. Angelidaki
Pág. 4083 - 4090
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Eng Cheong Wong, Ying Hui Ong, Yee Sern Ng
Pág. 38 - 42
Eutrophication arises from human activities has been recognized globally as an environmental issue. Human activities have greatly increased the input of phosphorus and nitrogen into the water bodies which place a heavy pressure on clean water resources. ...
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Ravinder Singh, Steven Kyle Sawatzky, Matthew Thomas, Samuel Akin, Hailin Zhang, William Raun and Daryl Brian Arnall
Effective nutrient management requires understanding nutrient uptake at various growth stages and nutrient removal by the harvested portion. Information on nutrient accumulation was provided by some older literature, and a few researchers have focused on...
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Hanxu Guo, Peng Li, Lianfeng Du, Guoyuan Zou and Xuan Guo
Coagulation can effectively recover substances from wastewater; however, there is a lack of efficient coagulants for simultaneous recovery of organic matter, nitrogen, and phosphorus. We prepared a composite polysilicate metal (CSM) flocculant by combini...
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Timoth Mkilima, Tursynkul Bazarbayeva, Kydyrbekova Assel, Nurgul Nurkenovna Nurmukhanbetova, Idiya Bolatovna Ostretsova, Aina Sultanseitovna Khamitova, Saule Makhanova and Samal Sergazina
Nutrients (nitrogen and phosphorus) are among the water quality parameters that cannot be easily removed from wastewater. Unfortunately, the excessive accumulation of nutrients in water can lead to numerous health issues for humans and the environment in...
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Byoung-Hwan Seo, Hyuck Soo Kim, Saranya Kuppusamy, Kye-Hoon Kim and Kwon-Rae Kim
Phytoremediation is a promising technology to remediate carcass burial sites where deep soil layers are contaminated with nitrogen (N), phosphorus (P) and other potential contaminants by leachate. The current study was conducted to examine the remedial e...
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Zubair Ahmed, Byung-Ran Lim, Jinwoo Cho, Kyung-Guen Song, Ki-Pal Kim, Kyu-Hong Ahn
Pág. 198 - 210
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Michal Marzec, Krzysztof Józwiakowski, Anna Debska, Magdalena Gizinska-Górna, Aneta Pytka-Woszczylo, Alina Kowalczyk-Jusko and Agnieszka Listosz
In this paper, the pollutant removal efficiency and the reliability of a vertical and horizontal flow hybrid constructed wetland (CW) planted with common reed, manna grass, and Virginia mallow were analyzed. The wastewater treatment plant, located in sou...
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Yuanyuan Li, Sen Wang, Yue Li, Fanlong Kong, Houye Xi and Yanan Liu
Agricultural drainage water with a low C/N ratio restricts the nitrogen and phosphorus removal efficiencies of constructed wetlands. Thus, there is a need to add external carbon sources to drive the nitrogen and phosphorus removal. In this study, the eff...
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Katelyn Skornia, Steven I. Safferman, Laura Rodriguez-Gonzalez and Sarina J. Ergas
Wastewater produced during the wine-making process often contains an order of magnitude greater chemical oxygen demand (COD) concentration than is typical of domestic wastewater. This waste stream is also highly variable in flow and composition due to th...
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Timothy Rosen, Laura Christianson
Pág. 1 - 16
Denitrifying bioreactors are an agricultural best management practice developed in the midwestern United States to treat agricultural drainage water enriched with nitrate-nitrogen (NO3N). The practice is spreading rapidly to agricultural regions with poo...
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Timothy Rosen and Laura Christianson
Denitrifying bioreactors are an agricultural best management practice developed in the midwestern United States to treat agricultural drainage water enriched with nitrate-nitrogen (NO3-N). The practice is spreading rapidly to agricultural regions with po...
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