GANGPUTechnologie environnementale
SCR denitrification reactor installed on a boiler flue gas duct

Flue Gas Desulfurization & Denitrification

SCR / SNCR Denitrification System

GP-SCR Series

Selective catalytic and non-catalytic reduction systems for NOx reduction in boilers, kilns and sintering flue gas.

Flue gas volume
20,000 - 900,000 m³/h
Inlet NOx
≤ 1,200 mg/Nm³
Denitrification efficiency
SCR 80 - 95%, SNCR 30 - 60%
Reaction temperature
SCR 280 - 420 °C, SNCR 850 - 1,100 °C
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Data needed for an accurate quotation

  • Air or gas volume at operating temperature
  • Dust or pollutant type and concentration
  • Required outlet concentration or standard
  • Available plot size and power supply

Technical parameters

Grouped specification sheet

Technical parameters
Performance
Flue gas volume20,000 - 900,000 m³/h
Inlet NOx≤ 1,200 mg/Nm³
Ammonia slip≤ 3 mg/Nm³ with proper injection control
Catalyst life16,000 - 24,000 h under rated condition
Structure
LayoutHigh dust, low dust or tail gas arrangement
CatalystHoneycomb V2O5-WO3/TiO2, 2 - 4 layers
ReducerUrea solution or ammonia water with vaporiser
InjectionStatic mixer plus multi-nozzle grid with flow field tuning

Values shown are the standard manufacturing range. Final parameters are calculated from your gas volume, dust or pollutant load, temperature and the emission standard in force at your site.

Customisation options

  • Catalyst volume and layer number
  • Urea or ammonia water dosing system
  • Low temperature catalyst with gas reheating
  • Flow field CFD optimisation and mixer design

Export packing & delivery

  • Catalyst modules in wooden cases with moisture barrier
  • Reactor sections shipped modularly

Drawings, assembly sequence, manual and test records are supplied with every shipment. On-site engineer dispatch can be arranged for complete system projects.

Read the export and installation checklist

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Group of FRP wet desulfurization and washing towers with inlet ducts on site

Flue Gas Desulfurization & Denitrification

Wet Flue Gas Desulfurization System

GP-FGD Series

Limestone-gypsum and sodium alkali wet desulfurization towers for coal fired boilers, sintering machines and industrial kilns.

Flue gas volume
30,000 - 1,200,000 m³/h
Inlet SO₂
≤ 8,000 mg/Nm³
Desulfurization efficiency
90 - 98% (project dependent)
Absorbent
Limestone, lime, sodium alkali, ammonia
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Integrated ultra low emission flue gas treatment system at an industrial plant

Flue Gas Desulfurization & Denitrification

Integrated Desulfurization & Denitrification System

GP-ULE Series

Combined dust removal, desulfurization, denitrification and wet electrostatic polishing for ultra-low emission retrofits.

Scope
Dedusting + FGD + DeNOx + wet ESP
Flue gas volume
50,000 - 1,000,000 m³/h
Outlet targets
Per local ultra-low emission limit
Control
Integrated DCS with CEMS interface
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Wide spacing electrostatic precipitator at a power plant flue gas treatment system

Industrial Dust Collection

Wide-Spacing Electrostatic Precipitator

GP-CDPK / GP-WESP Series

Dry and wet electrostatic precipitators for fine dust, mist and aerosol where low resistance and stable outlet concentration matter.

Air volume
20,000 - 800,000 m³/h
Collecting area
50 - 9,000 m²
Outlet concentration
≤ 20 mg/Nm³ (dry), ≤ 10 mg/Nm³ (wet)
Resistance
200 - 400 Pa
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