Q.1) a. Calculate volume and weight of sludge generated in thickener by chemical coagulation. Data given as: Wastewater flow: 10000 m³/d Inlet concentration: 1100 mg/L CaO added: 400 mg/L FeCl3 added: 500 mg/L Overall particle removal efficiency: 80% Sludge's moisture content: 95% Assume STANDARD chemical reactions and their product’s behavior as: Sludge's specific gravity: 1.05 FeCl3 + H2O –→ Fe(OH)3 CaO + H2O → Ca(OH)2
Q.1) a. Calculate volume and weight of sludge generated in thickener by chemical coagulation. Data given as: Wastewater flow: 10000 m³/d Inlet concentration: 1100 mg/L CaO added: 400 mg/L FeCl3 added: 500 mg/L Overall particle removal efficiency: 80% Sludge's moisture content: 95% Assume STANDARD chemical reactions and their product’s behavior as: Sludge's specific gravity: 1.05 FeCl3 + H2O –→ Fe(OH)3 CaO + H2O → Ca(OH)2
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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