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1. A water sample has an influential alkalinity of 123 mg/L as CaCO3. Ferric Sulfate is added at a dose of 73 mg/L for coagulation. Assume all alkalinity is HCO3- and ignore all side reactions. A) How much alkalinity is consumed in the coagulation reaction (in meq/L)? B) How much alkalinity remains after coagulation (in mg/L as CaCO3)

1. A water sample has an influential alkalinity of 123 mg/L as CaCO3. Ferric Sulfate is added at a dose of 73 mg/L for coagulation. Assume all alkalinity is HCO3- and ignore all side reactions. A) How much alkalinity is consumed in the coagulation reaction (in meq/L)? B) How much alkalinity remains after coagulation (in mg/L as CaCO3)

Solid Waste Engineering
Solid Waste Engineering
3rd Edition
ISBN:9781305635203
Author:Worrell, William A.
Publisher:Worrell, William A.
Chapter6: Biological Processes
Section: Chapter Questions
Problem 6.3P
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1. A water sample has an influential alkalinity of 123 mg/L as CaCO3. Ferric Sulfate is added at a dose of 73 mg/L for coagulation. Assume all alkalinity is HCO3- and ignore all side reactions. A) How much alkalinity is consumed in the coagulation reaction (in meq/L)? B) How much alkalinity remains after coagulation (in mg/L as CaCO3)
Transcribed Image Text:1. A water sample has an influential alkalinity of 123 mg/L as CaCO3. Ferric Sulfate is added at a dose of 73 mg/L for coagulation. Assume all alkalinity is HCO3- and ignore all side reactions. A) How much alkalinity is consumed in the coagulation reaction (in meq/L)? B) How much alkalinity remains after coagulation (in mg/L as CaCO3)
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