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Polyelectrolyte Selection for Water Treatment
Polyelectrolytes offer many advantages as filtration aids or as primary flocculants. The interrelationship, however, between polymer molecular weight, charge density, polymer dosage, mixing conditions, and the flocculated particle size distribution is not well understood. If an effective method of polymer selection is to be devised, a basic understanding of these interactions is essential. A series of experiments with 12 commercially available polymers showed that in most cases dosage was independent of molecular weight, that a strong correlation appears to exist between the number of charges a molecule carries and its optimum flocculation dosage, and that the size and strength of a floc may be controlled to some extent by proper selection of polymer molecular weight.
Polyelectrolyte Selection for Water Treatment
Polyelectrolytes offer many advantages as filtration aids or as primary flocculants. The interrelationship, however, between polymer molecular weight, charge density, polymer dosage, mixing conditions, and the flocculated particle size distribution is not well understood. If an effective method of polymer selection is to be devised, a basic understanding of these interactions is essential. A series of experiments with 12 commercially available polymers showed that in most cases dosage was independent of molecular weight, that a strong correlation appears to exist between the number of charges a molecule carries and its optimum flocculation dosage, and that the size and strength of a floc may be controlled to some extent by proper selection of polymer molecular weight.
Polyelectrolyte Selection for Water Treatment
Ghosh, Mriganka M. (author) / Cox, Chris D. (author) / Prakash, Temkar M. (author)
Journal ‐ American Water Works Association ; 77 ; 67-73
1985-03-01
7 pages
Article (Journal)
Electronic Resource
English
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