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Electrophoretic Studies of Turbidity Removal With Ferric Sulfate
The objective of this study was to determine the relationships between electrophoretic mobility, residual turbidity, coagulant dose, and residual iron content resulting from the coagulation of three clay suspensions with ferric sulfate. The three clays were chosen so that in suspensions of equal gravimetric concentration one clay would exhibit a low, one a medium, and one a high base exchange capacity. The scope of the investigation was limited to a study of the variables mentioned above for the coagulation of suspensions of these clays with ferric sulfate over the pH range of 3‐10. The coagulant doses were 3, 5, and 50 ppm. Jar tests, residual‐turbidity and iron determinations, and electrophoretic‐mobility determinations were made. Study conclusions indicate that the microelectrophoretic technique may be useful for the prediction of the pH zone of most effective coagulation of natural turbid water. Further study is necessary to determine whether there is an “overdosed isoelectric point” that marks the zone of good coagulation for natural turbid waters.
Electrophoretic Studies of Turbidity Removal With Ferric Sulfate
The objective of this study was to determine the relationships between electrophoretic mobility, residual turbidity, coagulant dose, and residual iron content resulting from the coagulation of three clay suspensions with ferric sulfate. The three clays were chosen so that in suspensions of equal gravimetric concentration one clay would exhibit a low, one a medium, and one a high base exchange capacity. The scope of the investigation was limited to a study of the variables mentioned above for the coagulation of suspensions of these clays with ferric sulfate over the pH range of 3‐10. The coagulant doses were 3, 5, and 50 ppm. Jar tests, residual‐turbidity and iron determinations, and electrophoretic‐mobility determinations were made. Study conclusions indicate that the microelectrophoretic technique may be useful for the prediction of the pH zone of most effective coagulation of natural turbid water. Further study is necessary to determine whether there is an “overdosed isoelectric point” that marks the zone of good coagulation for natural turbid waters.
Electrophoretic Studies of Turbidity Removal With Ferric Sulfate
Black, A. P. (author) / Walters, James V. (author)
Journal ‐ American Water Works Association ; 56 ; 99-110
1964-01-01
12 pages
Article (Journal)
Electronic Resource
English
Clays , Ferric Sulfate , Coagulation , Turbidity , Iron , Coagulants , Jar Tests , pH
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