Case Studies in Optimizing Coagulation Using Direct Measurement of Particle Charge Neutralization

Two water treatment plants in New England optimized coagulant doses by monitoring particle charge during bench scale testing. Particle charge monitoring has been used as an indicator to assess the general stability of aqueous solutions for some time. In particular, a neutral particle charge is targe...

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Bibliographic Details
Published inJournal of the New England Water Works Association Vol. 137; no. 2; pp. 26 - 33
Main Author Sadowski, Bryan
Format Journal Article
LanguageEnglish
Published Boston New England Water Works Association 01.06.2023
Subjects
Aluminum
Aqueous solutions
Case studies
Chloride
Coagulants
Coagulation
Ions
Monitoring
Neutral particles
Neutralization
Optimization
Stability analysis
Surface water
Water quality
Water treatment
Water treatment plants
United Kingdom > UK
England
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Summary:Two water treatment plants in New England optimized coagulant doses by monitoring particle charge during bench scale testing. Particle charge monitoring has been used as an indicator to assess the general stability of aqueous solutions for some time. In particular, a neutral particle charge is targeted for optimal coagulation to occur. While surface water treatment plants can meet treatment goals without monitoring particle charge, often the coagulant dose is greater than required which incurs secondary consequences. Benefits of optimizing coagulation through particle charge include less chemical use and a reduction in solids management.
ISSN:0028-4939