b. Find the DO at 12 10. A water treatment plant treats the water at the rate of 33 MGD. Average initial suspended solids concentration is 21 mg/L. Coagulation reduces 95% of the suspended solids concentration. (Average alum dosage = 18 mg/L). Determine the total dry weight of sludge produced in Ibs/day. Al2(SO4)3 14H2O + 6 HCO3 2Al(OH)3(s) + 6CO2 +14H₂O +3S0² 11. The pH of the water is measured as 8.5 and the total concentrations of carbonate species is found to be 0.00180M. Find the concentrations of H₂CO3, HCO3 and CO² by using equations. 12. What is the pH of the solution containing 2.5 X 10 of OH- at 25°C? 13. The dissolved oxygen concentration in the fresh water sample was found to be 8.05 mg/L The solubility of oxygen in the sample was measured at 0.83 atm and 22 °C. Compare your values from the table and report the percentage error. Note: Sample does not contain any salt

b. Find the DO at 12 10. A water treatment plant treats the water at the rate of 33 MGD. Average initial suspended solids concentration is 21 mg/L. Coagulation reduces 95% of the suspended solids concentration. (Average alum dosage = 18 mg/L). Determine the total dry weight of sludge produced in Ibs/day. Al2(SO4)3 14H2O + 6 HCO3 2Al(OH)3(s) + 6CO2 +14H₂O +3S0² 11. The pH of the water is measured as 8.5 and the total concentrations of carbonate species is found to be 0.00180M. Find the concentrations of H₂CO3, HCO3 and CO² by using equations. 12. What is the pH of the solution containing 2.5 X 10 of OH- at 25°C? 13. The dissolved oxygen concentration in the fresh water sample was found to be 8.05 mg/L The solubility of oxygen in the sample was measured at 0.83 atm and 22 °C. Compare your values from the table and report the percentage error. Note: Sample does not contain any salt

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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