Effects of photocatalysis using a photocatalytic concrete board on water qualities and microbial communities in the aquaculture wastewater

文献类型： 外文期刊

第一作者： Zhang, Xu

作者： Zhang, Xu;Zhou, Li;Cai, Min;Cui, Naxin;Zou, Guoyan;Zhang, Xu;Zhou, Li;Cai, Min;Cui, Naxin;Zou, Guoyan;Zhang, Xu;Wang, Qian

作者机构：

关键词： Concrete board; Photocatalytic reaction; Aquaculture wastewater; Water quality; Microbial community

期刊名称：SEPARATION AND PURIFICATION TECHNOLOGY （ 影响因子：8.6； 五年影响因子：7.8 ）

ISSN： 1383-5866

年卷期： 2023 年 313 卷

页码：

收录情况： SCI

摘要： A concrete board coated with a composite photocatalyst (tea polyphenols reduced P25/Ag3PO4) was applied in the aquaculture wastewater treatment. The photocatalytic oxidation inhibited algal growth significantly and decreased the chlorophyll-a concentration by 60.66%. Meanwhile, organic matter was degraded and the nitrogen form was changed during photocatalytic processes. The variations in nutrients and organic matter after the photocatalytic reaction affected the microbial communities resulting in the aquaculture environment changes. The photocatalytic reaction did not increase the acute toxicity of the treated aquaculture water as indicated by a luminescent bacterium. This study provided new insights into the feasibility of employing photocatalytic oxidation as a realistic method for aquaculture wastewater treatment.

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