1. DeNox installation
27/11/2018

2. DeNox chemical reaction
4 NO + 4 NH³ + O² → 4 N² + 6 H²O of
2 NO² + 4 NH³ + O² → 4 N² + 6 H²O
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3. ESP working principle KV Discharge Elektrode Collector plate
Rapping system
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4. ESP cross section 4 Hoogspanningskamers
Ophanging van de collectorelektroden
Ophanging van de ontladingselektroden
Diffusor
II zone
IV zone
I zone
III zone
Confusor
Vzone
Collectorelektroden
Ontladingselektroden
Serviceplatforms
Storttrechters 4
27/11/2018

5. Chemical reaction Flue gas desulferization
2CaO SO O2 + 2H2O => 2CaSO4•2H2O
↓ ↓ ↓ ↑
Solution Absorbtion Solution precipitation
CaCO3 + SO2 + 2H2O + ½ O2 → CaSO4• 2H2O + CO2
27/11/2018

6. Flue gas desulferization (FGD) Absorber
Purified flue gas
Droplet separator
Sprayer level 5
Sprayer level 4
Sprayer level 3
Sprayer level 2
Raw flue gas
Sprayer level 1
Oxidation air inlet
Strirrer
Suction filter
27/11/2018