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Nano Convergence

Table 1  Operating characteristics of different SCR catalysts [2]

From: Recent trends in vanadium-based SCR catalysts for NOx reduction in industrial applications: stationary sources

Medium temperature VNXâ„¢ catalyst (V2O5/TiO2)

High temperature –ZNX™ catalysts (zeolite)

Low temperature – LT catalyst (Pt-based)

260–425 °C

most broadly used

10–15 years of experience

sulfur tolerant

345–590 °C

very high NOx conversion

very low NH3 slip

NH3 destruction

sulfur tolerant above 425 °C

150–300 °C

narrow temperature window

temperature window shifts

not sulfur tolerant

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