Why can't flocculation occur? An explanation of the causes of poor aggregation and the effective pH range.

■ Why does poor coagulation occur? The causes of poor coagulation at water treatment plants can include insufficient injection of coagulants, inappropriate pH and alkalinity levels, equipment malfunctions, clogged pipes, and a sudden increase in coagulation inhibitors, among various other factors. Alkalinity is a different indicator from pH and indicates the ability of water to neutralize acids. ■ Why is pH important? The amount of coagulant added varies depending on the type, concentration, and pH of the raw water. If the pH is too high or too low, sufficient effectiveness cannot be achieved, so each coagulant has an "effective pH range" in which it performs optimally. pH adjustment is a crucial operation for effective coagulation and sedimentation. ■ What happens when poor coagulation occurs? If flocs are not formed properly, sedimentation will not proceed effectively, leading to an increase in the turbidity of treated water, which affects the efficiency of subsequent treatment processes. ■ How can poor coagulation be prevented? It is important to conduct regular inspections of dosing equipment, maintain piping, and thoroughly manage the pH and alkalinity of the raw water. It is also effective to confirm the optimal dosing amount and pH in advance through jar tests. Please feel free to consult us first.

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