Influence of catalyst synthesis method on selective catalytic reduction (SCR) of NO by NH3 with V2O5-WO3/TiO2 catalysts
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چکیده
منابع مشابه
Reactivity of V2O5 Catalysts for the Selective Catalytic Reduction of NO by NH3: Influence of Vanadia Loading, H2O, and SO2
Reactivity of V2O5 Catalysts for the Selective Catalytic Reduction of NO by NH3: Influence of Vanadia Loading, H2O, and SO2 Michael D. Amiridis,∗,1 Israel E. Wachs,† Goutam Deo,† Jih-Mirn Jehng,† and Du Soung Kim† ∗Research Division, W.R. Grace & Co.-Conn., Columbia, Maryland 21044; and †Zettlemoyer Center for Surface Studies and Department of Chemical Engineering, Lehigh University, Bethlehem,...
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A series of Fe–Ce–Ti catalysts were prepared via co-precipitation method to investigate the effect of doping Ce into Fe–Ti catalysts for selective catalytic reduction of NO with NH3. The NO conversion over Fe–Ce–Ti catalysts was considerably improved after Ce doping compared to that of Fe–Ti catalysts. The Fe(0.2)–Ce(0.4)–Ti catalysts exhibited superior catalytic activity to that of Fe(0.2)–Ti ...
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The catalysts of iron-doped Mn-Ce/TiO2 (Fe-Mn-Ce/TiO2) prepared by sol-gel method were investigated for low temperature selective catalytic reduction (SCR) of NO with NH3. It was found that the NO conversion over Fe-Mn-Ce/TiO2 was obviously improved after iron doping compared with that over Mn-Ce/TiO2. Fe-Mn-Ce/TiO2 with the molar ratio of Fe/Ti = 0.1 exhibited the highest activity. The results...
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The vanadium-based SCR catalyst used for NOx-control promotes the oxidation of elemental mercury Hg to Hg in flue gases from coal-fired power plants. Hg is water soluble and can effectively be captured in a wet scrubber. This means that the combination of an SCR with a wet FGD can offer an effective control option for mercury. Laboratory experiments have been carried out to elucidate and quanti...
متن کاملPromotional effect of Si-doped V2O5/TiO2 for selective catalytic reduction of NOx by NH3.
TiO2 supports doped with different amounts of Si were prepared by a sol-gel method, and 1 wt% vanadia (V2O5) loaded on Si-doped TiO2 was obtained by an impregnation method. The mole ratio of Si/Ti was 0.2, NOx conversion exceeds 94% at 300 degrees C and GHSV of 41,324 hr(-1), which is about 20% higher than pure V2O5/TiO2. The catalysts were characterized by XRD, BET, TEM, FT-IR, NH3-TPD, XPS, H...
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ژورنال
عنوان ژورنال: Applied Catalysis B: Environmental
سال: 2016
ISSN: 0926-3373
DOI: 10.1016/j.apcatb.2016.04.022