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Umicore Catalysis is one of the leading suppliers of SCR catalyst solutions for Gas Turbines, Biomass, FCC Units and Crackers. Umicore’s air pollution technology includes a series of unique catalysts for the control of nitrogen oxides (NOx), the reduction of carbon monoxide (CO) and volatile organic compounds (VOC) from stationary or mobile sources.
1.NOx removal by the SCR DeNOx process

NH3 is injected into the flue gas via an Ammonia Injection Grid (AIG) as a reducing agent
• The NH3 must be distributed thoroughly into the gas stream prior to the catalyst
• The mixed gas then passes through the catalyst where the NH3 reacts with NOx to form N2 and H2O vapor

2.Product range
• Channel size: 2.7 – 9 mm
• Wall thickness: 0.3, 0.4, 0.6, 0.8 and 1.0 mm
• Chemical compositions: 10 different to optimize
• DeNOx activity/SO2 oxidation
• Temperature range 180-540 °C
• Variable catalyst depth: 0.12 – 0.54 m

• Increased gas turbine output
• Higher activity and longer lifetime
• Up to 99% NOx reduction
• Down to 1 ppm NH3 slip
• Lifetime experience over 100,000 operation hours

4.Replacing old catalyst with new Umicore



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