Experts from Malvern Instruments focused on the use of on-line zeta potential measurement in water purification for their presentation at the 2013 Colloid & Surface Science Symposium.
The talk highlighted data detailing the application of Malvern’s Zetasizer Nano system for process monitoring and coagulant dosage control in water treatment.
Zeta potential is a measure of the magnitude of the electrostatic repulsion or attraction between particles, and is one of the fundamental parameters known to affect stability.
This correlation with dispersion stability has led to its widespread use in water treatment to monitor the tendency of particles in suspension to aggregate.
Malvern experts explored ways in which zeta potential is being used both on- and off-line to monitor and control the flocculation processes used to remove organic matter from raw water.
Dr Ana Morfesis presented case studies showing how water treatment plants in the US are using the Zetasizer Nano’s on-line capabilities to troubleshoot purification processes, reduce chemical usage and simplify process operation.
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