Environmental Regulations for Coal based Thermal Power Plants in India
Standards for discharge of Liquid Effluents
Standards for discharge of Liquid Effluents
| S.N | Source | Pollutants | Concentrations |
| 1 | Condenser Cooling Water (Once through Cooling System) | pH Temperature Free available Chlorine | 6.5-8.5 More than 10°C than the intake water temperature 0.5mg/L |
| 2 | Boiler Blow-down | SS Oil & Grease Copper(total) Iron (total) | 100mg/L 20mg/L 1mg/L 1mg/L |
| 3 | Cooling Tower Blow- down | Free available Chlorine Zinc Chromium Phosphate Other Corrosion inhibiting materials | 0.5mg/L 1mg/L 0.2mg/L 5mg/L Limits to be established case by case basis |
| 4 | Ash Pond Effluent | pH SS Oil & Grease | 6.5-8.5 100 mg/L 20mg/L |
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