Integrated Multi-Pollutant Synergistic Ultra-Low Emission System with Ceramic Catalysts for Coking Industry

Flue Gas Characteristics:

  • Low temperature with significant fluctuations
  • High concentrations of NOx, SO₂, and H₂S
  • Contains organic components and tar

Traditional Process Challenges:
❌ Low and unstable flue gas temperatures
❌ Complex pollutant composition with high viscosity
❌ Significant ammonia slip, difficult to control
❌ Requires hot standby chimney (>130°C)

New Process Advantages:
✅ ​Integrated treatment for efficient removal of sulfur, nitrogen oxides, and particulates
✅ ​Dry conditioning & desulfurization achieves dewhitening and tar absorption
✅ ​Solid waste recycling minimizes disposal volume
✅ ​Minimal heat loss maximizes waste heat recovery
✅ ​Dual regeneration modes: isolated catalyst regeneration & online catalyst regeneration
✅ ​Low O&M costs with optimized energy efficiency

Key Innovations:
• Operates effectively at 90-180°C without reheating
• 99% SO₂/NOx removal despite tar interference
• 50% lower ammonia consumption vs. SCR systems
• Eliminates visible steam plume ("white smoke")

Typical Performance Metrics:
▸ Outlet SO₂ <30mg/Nm³
▸ NOx <100mg/Nm³
▸ Particulates <10mg/Nm³
▸ Ammonia slip <3ppm

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2025-04-11 17:24:31
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