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

Structural Analysis
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Q.1) a. Calculate volume and weight of sludge generated in thickener by chemical coagulation.
Data given as:
Wastewater flow: 10000 m³/d
FeCl3 added: 500 mg/L
Inlet concentration: 1100 mg/L
CaO added: 400 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
Transcribed Image Text:Q.1) a. Calculate volume and weight of sludge generated in thickener by chemical coagulation. Data given as: Wastewater flow: 10000 m³/d FeCl3 added: 500 mg/L Inlet concentration: 1100 mg/L CaO added: 400 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
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