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Combined ozonation and aquatic macrophyte (Vallisneria natans) treatment of piggery effluent: Water matrix and antioxidant responses

文献类型： 外文期刊

作者： Wang, Junli 1 ; Chen, Guifa 1 ; Liu, Fuxing 1 ; Song, Xiangfu 1 ; Zou, Guoyan 1 ;

作者机构： 1.Shanghai Acad Agr Sci, Ecoenvironm Protect Res Inst, Shanghai 201403, Peoples R China

2.Shanghai Engn Res Ctr Low Carbon Agr SERCLA, Shanghai 201415, Peoples R China

3.Shanghai Coelite Agr Sci Tech Grp Co Ltd, Shanghai 201106, Peoples R China

关键词： Ozonation;Piggery wastewater;Vallisneria natans;Water matrix;Antioxidant system

期刊名称：ECOLOGICAL ENGINEERING （ 影响因子：4.035； 五年影响因子：4.611 ）

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收录情况： SCI

摘要： The efficiency of the combined process of ozonation with Vallisneria natans to improve the quality of piggery effluent was investigated in this study, and the effects of ozonated water on the antioxidant responses of V. natans were explored. The effluent was treated with ozone at 10, 30 and 50 mgL(-1) for 30 min in combination with V. natans for 28(-)d. Combined treatment was successful at removing inorganic nutrients and organic compounds from piggery effluent. Low ozone concentration treatment of water was optimal for the growth of V. natans, while exposure to high levels for long periods of time increased reactive oxygen species (ROS) and damaged their antioxidant systems. The results demonstrate that combined ozonation and submerged macrophytes treatment, can remove inorganic nutrients and organic compounds from piggery effluent, reducing the pollution into aquatic ecosystem. (C) 2017 Published by Elsevier B.V.

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