New Zetasizer WT Provides Automatic Online Monitoring For Stable And Cost-Effective Water Treatment

A newly launched, innovative online zeta potential analyzer for water treatment allows water plant operators to control coagulation processes with enhanced levels of accuracy and confidence.

The Zetasizer WT from Malvern Instruments is a fully automated analyzer that continuously monitors the properties of water during coagulation to provide precise and reliable data for optimizing chemical dosage levels. Delivering absolute (no calibration), highly sensitive analysis the new system enables a proactive response to changes in the process, enhancing plant stability and reducing the risk of significant events. The associated optimization of charge neutralization processes results in substantial financial benefits due to a reduction in chemicals usage, with savings in the order of 20% reported by existing users.

Malvern are hosting an introductory webinar about the new Zetasizer WT on 17 June 2015, to join, register here: www.malvern.com/zetasizerwtlaunch

Clarification, a process of coagulation and sedimentation to remove suspended particles in raw water, is a critical step in drinking water purification. The Zetasizer WT continuously measures zeta potential, a parameter that directly quantifies the charge of colloidal particles in the water and predicts the likelihood of coagulation. Setting upper and lower zeta potential limits, beyond which floc formation is poor, provides the plant team with a defined target for safe operation and a simple and clear means of tuning coagulation. The technology reduces reliance on largely manual and user dependent alternatives which provide little insight as to how to alter operational parameters in response to changing conditions, and provides a level of confidence and specificity absent in other online techniques.

The Zetasizer WT is a stand-alone system that can be installed on either new or existing water treatment plants. It requires only a standard power supply, a pumped sample water feed and a covered site. Results are reported in [mV] and are displayed locally as well as sent to a central control facility. Zeta potential is measured at a user selected rate of up to one measurement every two minutes to provide data resolution that is sufficient for the control of rapidly changing processes. These data improve the effectiveness of manual decision making and, at the same time, provide a secure platform for automated coagulant dosing control.

To find out more about Zetasizer WT and the economic benefits it offers go to: www.malvern.com/ZetasizerWT

About Malvern Instruments
Malvern provides the materials and biophysical characterization technology and expertise that enables scientists and engineers to understand and control the properties of dispersed systems. These systems range from proteins and polymers in solution, particle and nanoparticle suspensions and emulsions, through to sprays and aerosols, industrial bulk powders and high concentration slurries. Used at all stages of research, development and manufacturing, Malvern’s materials characterization instruments provide critical information that helps accelerate research and product development, enhance and maintain product quality and optimize process efficiency.

Our products reflect Malvern’s drive to exploit the latest technological innovations and our commitment to maximizing the potential of established techniques. They are used by both industry and academia, in sectors ranging from pharmaceuticals and biopharmaceuticals to bulk chemicals, cement, plastics and polymers, energy and the environment.

Malvern systems are used to measure particle size, particle shape, zeta potential, protein charge, molecular weight, mass, size and conformation, nanoparticle size and count, rheological properties and for chemical identification, advancing the understanding of dispersed systems across many different industries and applications.

Headquartered in Malvern, UK, Malvern Instruments has subsidiary organizations in all major European markets, North America, Mexico, China, Japan and Korea, a joint venture in India, a global distributor network and applications laboratories around the world.