A study on the reaction characteristics of vanadium-impregnated natural manganese oxide in NH3-selective catalytic reduction
- A study on the reaction characteristics of vanadium-impregnated natural manganese oxide in NH3-selective catalytic reduction
- 권동욱; 김성수; 이상문; 박광희; 홍성창
- Issue Date
- JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION
- VOL 61-558
- This study investigated the effect of adding vanadium (V) to natural manganese oxide (NMO) in ammonia (NH(3)) selective catalytic reduction (SCR). The addition of V to NMO decreased the catalytic activity at low temperatures by blocking the active site. However, the enhancement of catalytic activity was achieved by controlling NH(3) oxidation at high temperatures. From the NH(3) temperature programmed desorption and oxygen on/off test, it was confirmed that the amount of Lewis acid site and active lattice oxygen of the catalyst affects the catalytic performance at low temperature.
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