Microbial community succession and pollutants removal of a novel carriers enhanced duckweed treatment system for rural wastewater in Dianchi Lake basin.
作者： Guoke Chen , Jun Huang , Yang Fang , Yonggui Zhao , Xueping Tian
DOI: 10.1016/J.BIORTECH.2018.12.102
关键词:
摘要: Carriers strengthened duckweed treatment system (CDW), (DW) and water hyacinth (WH) were developed to treat rural wastewater in Dianchi Lake basin. Results showed that adding microbial carrier did not affect the growth biomass components of duckweed. The following features discovered CDW system. First, NO3--N TN removal efficiencies highest among three systems, reaching 80.02% 56.42%, respectively. Secondly, Illumina sequencing revealed diversity. Thirdly, a distinct succession community was observed. Rhodobacter, Bacteria vadinCA02, C39 Flavobacterium dominated start-up stage, contributed biofilm formation pollutants degradation. Acinetobacter, Planctomyces Methylibium significantly increased stable nitrogen removal. Finally, highly abundant plant growth-promoting bacteria found. Comprehensive analysis indicated functional closely related pollutant removals, operating status.
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