1, FWRN-302 requirements of the process conditions and technical specifications
NOx concentration: 800 ~ 5000ppm,
Oxygen content (vol): 0 ~ 15%
H2O content (vol): ≤ 3%
Exhaust metal ions (K +, Na +, Fex +, etc.) concentration: ≤ 15mg/NM3
Reducing agent: NH3, saturated gaseous form shall be introduced
Reaction temperature: 230 ~ 420 ℃ (flexible operating temperature range)
Gas space velocity: 2500 ~ 7500 h-1
NH3/NOx (molar ratio): ≤ 1.2
NOx conversion rate: ≥ 95% (or export NOx ≤ 100ppm)
Ammonia slip rate: ≤ 30ppm
Pressure loss: ≤ 600pa (bed diameter ratio of 1:1 or story line speed ≤ 1.5m / s at)
Catalyst life: ≥ 16000h
How it works:
1) 6NO+4NH3→5N2+6H2O -1807.0KJ/mol
2) 6NO2+8NH3→7N2+12H2O -2659.9KJ/mol
2, FWRN-302 catalyst specifications
Catalyst Model: FWRN-302
Active ingredients: copper, lanthanum, cerium, and a small amount of palladium and other metals additives
Catalyst Type: Honeycomb ceramic
Catalyst unit size: L × W × H = 150 mm × 150 mm × 50mm / block (customizable)
Catalyst filling height to diameter ratio: 1:1 to 2:1
3, using the occasion
Nitrate thermal decomposition tail gas treatment, atmospheric nitric acid tail gas treatment method, two sodium tail gas
treatment |
