Emission Control System

Emission Control System

Emission Control System

Environmental Prevention and Monitoring Measures for Air Pollution
Production Process
  • ► Control annual average sulfur (S) content not to exceed 0.45 percent
  • ► Control nitrogen oxides (NOx) with Low NOx Burner technology
  • ► Dust collection using Electrostatic Precipitator (ESP)
  • ► Sulfur dioxide (SO2) removal using Seawater Flue Gas Desulfurization (SW-FGD)
Air Quality Monitoring — AQMS 4 Stations
  • ► SO2 (300 ppb)
  • ► NO2 (170 ppb)
  • ► TSP (330 µg/m3)
  • ► PM10 (120 µg/m3)
Stack Monitoring — CEMs 2 Production Units
  • ► SO2 (262 ppm)
  • ► NOx (241 ppm)
  • ► PM (50 mg/m3)
  • ► Opacity (20%)
Coal Yard
  • ► Water spray system at Stacker Reclaimer
  • ► Water spray system around coal yard, 45 points
  • ► Enclosed coal conveyor belt system
  • ► Wind fence, 6 meters high
  • ► Coal yard compaction by bulldozer
Coal Unloading Port
  • ► Water spray system at Ship Unloader Hopper
  • ► Enclosed coal conveyor belt system

Environmental Prevention and Monitoring Measures for Water Pollution

Cooling Water
  • ► Intake velocity controlled not to exceed 0.3 meters per second
  • ► Aquatic-life protection screens installed
Cooling Water Discharge Point
  • ► Cooling water discharge canal, 600 meters long
  • ► Aeration system
Wastewater Treatment from Production Process and Coal Yard — WPMS (WWTP & CYWWTP)
  • ► COD (120 mg/l)
  • ► pH (5.5-9.0)
WPMS 2 Production Units
  • ► COD (120 mg/l)
  • ► pH (5.5-9.0)
  • ► Temperature (40°C)
  • ► Cl (1 mg/l)

Environmental Prevention and Monitoring Measures for Industrial Waste

Bottom Ash and Fly Ash
  • ► Ready-mixed concrete
  • ► Road base materials
  • ► Concrete blocks and paving blocks
  • ► Plant pots / Hydro clay
Maintenance Waste
  • ► Blended fuel production
  • ► Recycling
  • ► Disposal by licensed contractors
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