The agents used are:
Coagulation and precipitation will use:flocculant (polymerized aluminum chloride, ferrous iron, etc.), coagulation aid (polyacrylamide).
Fenton will use:ferrous iron, hydrogen peroxide.
Depth treatment will also use decolorant, sodium hypochlorite and so on.
Phosphorus removal will use lime Adjustment of acid and alkali will use acid and alkali.
Sewage treatment? (sewage treatment, wastewater treatment): The process of purifying sewage to meet the water quality requirements for draining a body of water or for reuse.
Wastewater treatment is widely used in construction, agriculture, transportation, energy, petrochemicals, environmental protection, urban landscape, health care, food and beverage and other fields, but also more and more into the daily life of ordinary people.