Water treatment plants: Top 7 reasons to consider zeta-potential and on-line zeta-potential for coagulation dose control

Why is Coagulation Dose control important?

Turbidity and NOM in the source water feeding a drinking water purification plant, particularly a surface water source, fluctuates over time. This continual change may require adjustment to the coagulant dose, pH or polymer addition to enable the flocculation process to work efficiently. Careful management of the coagulant dose with accurate and timely monitoring can impact the overall plant performance. Monitoring this based on zeta potential, a scientific measurement of the electrical potential charge between particles, provides reliable and relevant data. Particle charge neutralization is needed to enable a strong floc to form and allow the entire process to run smoothly. Here are the top 7 reasons to consider laboratory and/or on-line zeta potential systems for coagulation dose control.


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