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Comparing Aluminum and Iron Coagulants for In‐line Filtration of Cold Water
Pilot studies showed that with water temperatures <;37°F (3°C) and raw water turbidities <;2 ntu, ferric chloride removed turbidity more efficiently than did aluminum sulfate but that aluminum sulfate caused slower head loss development. The total clogging head loss at the onset of turbidity breakthrough, however, was approximately the same for both coagulants. Equivalent head loss development and turbidity removal were demonstrated at a molar iron‐to‐aluminum dosage ratio of 3:5.6.
Comparing Aluminum and Iron Coagulants for In‐line Filtration of Cold Water
Pilot studies showed that with water temperatures <;37°F (3°C) and raw water turbidities <;2 ntu, ferric chloride removed turbidity more efficiently than did aluminum sulfate but that aluminum sulfate caused slower head loss development. The total clogging head loss at the onset of turbidity breakthrough, however, was approximately the same for both coagulants. Equivalent head loss development and turbidity removal were demonstrated at a molar iron‐to‐aluminum dosage ratio of 3:5.6.
Comparing Aluminum and Iron Coagulants for In‐line Filtration of Cold Water
Haarhoff, Johannes (Autor:in) / Cleasby, John L. (Autor:in)
Journal ‐ American Water Works Association ; 80 ; 168-175
01.04.1988
8 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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