27/07/2025
This image illustrates a typical Effluent Treatment Plant (ETP) flow diagram. The process begins with influent wastewater undergoing screening and neutralization (often with diluted H2SO4). It then proceeds to an equalization tank before entering coagulation and flocculation tanks, where chemicals like PAC and polymer are added with mixing and agitation to promote particle aggregation. The water then flows to a primary settler, followed by aeration and an aerobic digester, with recycle sludge returning to the aerobic digester. A secondary clarifier separates the treated water from the sludge, which goes to a sludge holding tank and then dewatering. The clarified water passes through a sand filter and product tank, with key parameters like pH, BOD, COD, Temp, TSS, and TDS monitored at various stages before final disposal
