ETP PROCESS

Process Flow Chart of Effluent Treatment Plant (ETP) 

Collection Tank
↓ 
Storage Tank
↓ 
Mixing & Cooling
↓ 
Neutralization
↓ 
Chemical Coagulation
↓ 
Biological Oxidation Tank
↓ 
Sedimentation & Separation of Sludge
↓ 
Sludge Thickener
↓ 
Filtration
↓ 
Discharge to Drain

Collection Tank: Commencing part, waste from different section enter here. 

Storage Tank: Several blower pipe in this chamber. Mixing properties are different with temp. as well. 

Mixing & Cooling:Cooling Tower is on paddle mixer used for mixing. 

Neutralization: PH is controlled here. 

Chemical Coagulation: Fe₂(SO₄)₃, Al₂(SO₄)₃ etc use for coagulation. 

Biological Oxidation Tank: Artificially Eco-system established. Blowing air helps to live micro-organism. 

Sedimentation & Separation of Sludge: The blanket of precipitations is skimmed off to another tank and remaining solution is removed to pressure filter. 

Sludge Thickener: After exceeding the required level of recycling, sludge passed through thickening chamber. 

Filtration: Filtration layer consists of sand rock which filter wet sludge to extract water rest in it. 

Discharge to Drain: Release to environment with the check of final load of effluent in it.