The Impact of Seasonal Factor on the Bionet Integrated Wastewater Treatment Equipment——A Case Study of the Restoration Project of the Tributary Basin around Chaohu Lake

This study investigates the impact of seasonal factor on the wastewater treatment efficiency of Bionet Integrated Wastewater Treatment Equipment. The restoration project of the tributary basin around Chaohu Lake was selected as the research subject. Continuous sampling and monitoring were conducted for five Bionet Integrated Equipment over the course of a year. The study revealed that Nitrification volumetric load and Chemical Oxygen Demand(COD) volumetric load are significantly lower in winter and summer compared to spring and autumn, indicating seasonal variations. However, total phosphorus(TP) removal rates remain unaffected by seasonal changes, consistently exceeding 75% across all seasons. Among the equipment at stations A1, A2, and A3, there is a significant negative correlation between influent pollutants and temperature. In contrast, for stations B1 and B2, there is no significant correlation between influent pollutants and temperature, except for total phosphorus(TP) in the influent of B1. The relationship and significance of pollutant treatment efficiency to temperature vary among the five stations.