光伏驱动一体化装置处理农村生活污水的性能研究

Study on the Performance of the Photovoltaic Driven Integrated Device for Treating Rural Domestic Sewage

针对北方丘陵地区农村生活污水的排放特征,本论文构建了一套基于光伏系统驱动的生物接触氧化污水一体化处理装置,并研究了该装置对模拟农村污水的处理效能。研究结果表明,在处理量为50和100 L·d^(-1)条件下,该装置可实现对COD、NH_(3)^(-)N、TN和TP的稳定去除,出水均能满足山东省《农村生活污水处理处置设施水污染物排放标准》(DB 37/3963-2019)一级标准。与其他常规生物处理工艺相比,该装置具有便于安装,无需大规模铺设管网,无需外加电源,且处理后的出水可以直接回用于农田等优点,尤其是对居住相对分散的丘陵山区农村生活污水处理具有较强的推广应用价值。

In view of the discharge characteristics of rural domestic sewage in the northern hilly region,an integrated biological contact oxidation wastewater treatment device,which was driven by photovoltaic system,was proposed in this paper,and the performance of the device for removing pollutants in simulate rural sewage were also studied.The results showed that the proposed device exhibited a high stable removal efficiency for COD,NH_(3)^(-)N,TN,and TP under the treating capacity of 50 and 100 L·d^(-1),which could meet the 1st level standard of Discharge Standard for Water Pollutants of Rural Domestic Sewage Treatment and Disposal Facilities of Shandong Province(DB 37/3963-2019).As compared to those traditional biological treatment processes,the integrated device presents some advantages of easy installation,without large-scale pipe network,no external power supply,and the treated effluent can be directly recycled for farmland.In sum,the designed integrated device in this work can be practical applied in rural sewage treatment,especially for those relatively scattered living in the hilly and mountainous areas.