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首页> 外文期刊>Bioresource Technology: Biomass, Bioenergy, Biowastes, Conversion Technologies, Biotransformations, Production Technologies >Microbial community succession and pollutants removal of a novel carriers enhanced duckweed treatment system for rural wastewater in Dianchi Lake basin
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Microbial community succession and pollutants removal of a novel carriers enhanced duckweed treatment system for rural wastewater in Dianchi Lake basin

机译：微生物群落连续和污染物去除滇池盆地农村废水的新型载体增强型浮萍处理系统

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Carriers strengthened duckweed treatment system (CDW), duckweed treatment system (DW) and water hyacinth treatment system (WH) were developed to treat rural wastewater in Dianchi Lake basin. Results showed that adding microbial carrier did not affect the growth and biomass components of duckweed. The following features were discovered in the CDW system. First, the NO3--N and TN removal efficiencies were the highest among three systems, reaching 80.02% and 56.42%, respectively. Secondly, Illumina sequencing revealed the highest microbial diversity. Thirdly, a distinct succession of microbial community was observed. Rhodobacter, Bacteria vadinCA02, C39 and Flavobacterium dominated in the start- up stage, and contributed to biofilm formation and pollutants degradation. Acinetobacter, Planctomyces and Methylibium significantly increased in the stable stage, and contributed to nitrogen removal. Finally, highly abundant plant growth- promoting bacteria were found. Comprehensive analysis indicated that the functional bacteria community was closely related to the pollutant removals, plant growth and system operating status.
机译：载体加强了浮萍处理系统（CDW），浮萍处理系统（DW）和水葫芦治疗系统（WH）是开发的，以治疗滇池盆地农村废水。结果表明，添加微生物载体不会影响浮萍的生长和生物质组分。 CDW系统中发现了以下功能。首先，NO 3 - N和TN去除效率在三种系统中最高，分别达到80.02％和56.42％。其次，illumina测序显示出最高的微生物多样性。第三，观察到微生物群落的不同成功。在启动阶段中占主导地位的乳菌，细菌Vadinca02，C39和黄酮，并导致生物膜形成和污染物降解。在稳定阶段显着增加了术治疗术，并有助于去除氮气。最后，发现了高度丰富的植物生长促进细菌。综合分析表明，功能性细菌界与污染物去除，植物生长和系统运行状况密切相关。

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