Sewage Treatment Plants (STPs) use various chemicals to treat wastewater effectively. Common chemicals include coagulants like aluminum sulfate, flocculants such as polyacrylamide, disinfectants like chlorine or ozone, and pH adjusters such as lime or sulfuric acid. These chemicals help in processes like coagulation, flocculation, disinfection, and pH regulation, ensuring the water is... https://www.watertreatmentplants.in/what-chemicals-does-sewage-treatment-plant-use/