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A jar test was conducted on a raw water containing 11 NTU and an alkalinity concentration of 50 mg/L (as CACO3). The Turbidity was measured after the mixture was allowed to settle for 30 minutes. The jar test are tabulated below Find the optimal coagulant dose, and the appropriate amount of alkalinity that would be consumed at the optimal dose Does the raw water source have sufficient alkalinity? Jar Numbers 1 2 3 4 5 6 Alum Dose (mg/L) 25 40 50 65 75 Turbidity (NTU) 9 6 2 4.5 5.5 8.5

A jar test was conducted on a raw water containing 11 NTU and an alkalinity concentration of 50 mg/L (as CACO3). The Turbidity was measured after the mixture was allowed to settle for 30 minutes. The jar test are tabulated below Find the optimal coagulant dose, and the appropriate amount of alkalinity that would be consumed at the optimal dose Does the raw water source have sufficient alkalinity? Jar Numbers 1 2 3 4 5 6 Alum Dose (mg/L) 25 40 50 65 75 Turbidity (NTU) 9 6 2 4.5 5.5 8.5

Solid Waste Engineering
Solid Waste Engineering
3rd Edition
ISBN:9781305635203
Author:Worrell, William A.
Publisher:Worrell, William A.
Chapter5: Separation Processes
Section: Chapter Questions
Problem 5.18P
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A jar test was conducted on a raw water containing 11 NTU and an alkalinity concentration of 50 mg/L (as CACO3). The Turbidity was measured after the mixture was allowed to settle for 30 minutes. The jar test are tabulated below Find the optimal coagulant dose, and the appropriate amount of alkalinity that would be consumed at the optimal dose Does the raw water source have sufficient alkalinity? Jar Numbers 1 2 3 4 5 6 Alum Dose (mg/L) 25 40 50 65 75 Turbidity (NTU) 9 6 2 4.5 5.5 8.5
Transcribed Image Text:A jar test was conducted on a raw water containing 11 NTU and an alkalinity concentration of 50 mg/L (as CACO3). The Turbidity was measured after the mixture was allowed to settle for 30 minutes. The jar test are tabulated below Find the optimal coagulant dose, and the appropriate amount of alkalinity that would be consumed at the optimal dose Does the raw water source have sufficient alkalinity? Jar Numbers 1 2 3 4 5 6 Alum Dose (mg/L) 25 40 50 65 75 Turbidity (NTU) 9 6 2 4.5 5.5 8.5
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