Biofilm microbial community assembly and pollutant removal in stormwater storage systems: effects of substrate material, light condition, and rainfall frequency
This study investigated how substrate materials (polyethylene, cast iron, and ceramic), light conditions (light/dark), and rainfall frequency affect biofilm community assembly and water purification performance in laboratory-scale stormwater storage reactors. Eighteen treatment combinations (3 materials x 2 light conditions x 3 renewal frequencies) were operated for 42 days using stormwater collected from the Shenzhen University campus. Biofilm microbial communities were characterized by 16S rRNA gene amplicon sequencing (V4 region, paired-end) on the Illumina platform. The dataset comprises 18 biofilm samples with associated water quality measurements (COD, NH3-N, TN, TP) and material/light/frequency metadata.
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