Category: Solid treatment solution

The main steps of sewage treatment Wastewater treatment usually includes the following main steps: pretreatment,Biological treatment,Deep processing,Sludge treatmentThese steps work together to ensure that wastewater meets discharge standards or reuse requirements. ‌Preprocessing Steps‌ Pretreatment is the first step in sewage treatment. Its main purpose is to remove large particles and

(1) Water pH: If PAC is added and hydrolyzed to produce AI(OH)3 colloid, the dissolution is minimal when the pH is between 6.5 and 7.5, and the coagulation effect is also good; (2) Water alkalinity: When the alkalinity is insufficient, the coagulant will continuously produce H+ during the hydrolysis process,