(b) Suppose that based on jar test results, for 2L of water containing 36 mg SS, the optimum FeCla dose is 162.3 mg. FeCl3 + 3HCO; Fe(OH)3 + 3CO2 + 3CI Molar mass of elements in gram per mole as follow: Fe: 56, Cl: 35.5, H: 1.0, C: 12.0, O: 16.0 Assume that all added FeCl3 would precipitate as Fe(OH); and all SS would be settled. What is the maximum daily generation of sludge (settled solids) (in kg/day) for a water treatment plant handling a flow of 218 x 10 m/day?

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(b) Suppose that based on jar test results, for 2 L of water containing 36 mg SS, the optimum
FeCl3 dose is 162.3 mg.
FeCl + 3HCO; → Fe(OH)3 + 3CO2 + 3CI
Molar mass of elements in gram per mole as follow:
Fe: 56, Cl: 35.5, H: 1.0, C: 12.0, O: 16.0
Assume that all added FeCl3 would precipitate as Fe(OH)3 and all SS would be settled. What is
the maximum daily generation of sludge (settled solids) (in kg/day) for a water treatment plant
handling a flow of 218 x 10 m/day?
Transcribed Image Text:(b) Suppose that based on jar test results, for 2 L of water containing 36 mg SS, the optimum FeCl3 dose is 162.3 mg. FeCl + 3HCO; → Fe(OH)3 + 3CO2 + 3CI Molar mass of elements in gram per mole as follow: Fe: 56, Cl: 35.5, H: 1.0, C: 12.0, O: 16.0 Assume that all added FeCl3 would precipitate as Fe(OH)3 and all SS would be settled. What is the maximum daily generation of sludge (settled solids) (in kg/day) for a water treatment plant handling a flow of 218 x 10 m/day?
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