Research on a Biofilter for a Typical Application Scenario in China: Treatment of Pesticide Residue Wastewater in Orchards
文献类型： 外文期刊
作者： Zeng, Jin 1 ; Yuan, Quanchun 1 ; Xu, Wenzhi 1 ; Li, Hailong 1 ; Li, Menghui 3 ; Lei, Xiaohui 1 ; Wang, Wei 1 ; Lin, Qiang 1 ; Li, Xue 1 ; Xu, Rui 2 ; Lyu, Xiaolan 1 ;
作者机构： 1.Jiangsu Acad Agr Sci, Minist Agr & Rural Affairs, Inst Agr Facil & Equipment, Key Lab Modern Hort Equipment, Nanjing 210014, Peoples R China
2.Yunnan Normal Univ, Yunnan Prov Rural Energy Engn Key Lab, Kunming 650500, Peoples R China
3.Nanjing Environm Grp Co Ltd, Nanjing 210028, Peoples R China
关键词： biofilter; straw; imidacloprid; biodegradation; orchard
期刊名称：AGRONOMY-BASEL （ 影响因子：3.7； 五年影响因子：4.0 ）
ISSN：
年卷期： 2024 年 14 卷 5 期
页码：
收录情况： SCI
摘要： To reduce pesticide pollution and promote sustainable agricultural development in China, we designed a pilot-scale biofilter system to treat residual imidacloprid wastewater in an orchard. The biofilter system demonstrated a high rate of removal of imidacloprid from the biodegradation wastewater, with removal rates from the outlet exceeding 99% at different concentrations of pesticides. Among environmental factors, imidacloprid concentration at the inlet and biomixture significantly affected the activity of imidacloprid-degrading bacteria. The dominant microbial communities during the stable operation of the biofilter system included Firmicutes, Actinobacteria, Proteobacteria, and Bacteroidetes at the phylum level and Bacillus, Methylobacter, and unclassified_f__Microbacteriaceae at the genus level. In future initiatives to improve biofilter performance and applicability, increasing attention should be paid to the dominant microbial communities, the number of biofilter units, and important environmental factors. Orchard workers in China should improve the existing treatment of residual pesticide wastewater to mitigate agricultural non-point source pollution.
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