Cold selective catalytic reduction of nitric oxide for flue gas applications

Chen, J. P.; Yang, Runnong; Buzanowski, Marek A.; Cichanowicz, J. E.

doi:10.1021/ie00103a049

Cited by 46 publications

(27 citation statements)

References 4 publications

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“…Our recent study on the transition metal sulfates (iron, cobalt and nickel sulfates) indicated that these sulfates could be used as low temperature SCR catalysts. 8 A promoting effect by SO2 on SCR using zeolites as the catalyst has been reported recently. 9…”

Section: Effects Of Sulfur Dioxide (Group Vi)mentioning

confidence: 96%

Deactivation of the Vanadia Catalyst in the Selective Catalytic Reduction Process

Chen

Buzanowski

Yang

et al. 1990

Journal of the Air & Waste Management Association

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126

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Section: Effects Of Sulfur Dioxide (Group Vi)mentioning

confidence: 96%

Deactivation of the Vanadia Catalyst in the Selective Catalytic Reduction Process

Chen

Buzanowski

Yang

et al. 1990

Journal of the Air & Waste Management Association

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126

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“…NiSO 4 /Al 2 O 3 [9], MnOx/A1 2 O 3 [10], MnOx-FeOx/TiO 2 [11], CuO-NiO/ TiO 2 [12], Cu-exchanged mordenite [13] and V 2 O 5 / activated carbon [14] have been studied for the lowtemperature SCR reaction. These catalysts exhibit comparatively high SCR activities at low temperatures below 200°C, but there are few studies on the lowtemperature SCR reaction in the presence of SOx, where the sulfur tolerance of the catalyst is a key point for industrial use.…”

Section: Introductionmentioning

confidence: 99%

Low temperature selective catalytic reduction of NO by NH3 over V2O5 supported on TiO2–SiO2–MoO3

2006

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The V 2 O 5 catalysts supported on TiO 2 -SiO 2 -MoO 3 (TSM) prepared by the coprecipitation method were investigated for the selective catalytic reduction (SCR) of NO by NH 3 at low temperatures. The V 2 O 5 /TSM catalyst with 7-13 wt% SiO 2 was found to exhibit a superior SCR activity and a good sulfur tolerance at low temperatures (<250°C). The presence of highly active polymeric vanadates formed by the incorporation of MoO 3 to TiO 2 -SiO 2 and superior redox properties seems to enhance SCR activity, and furthermore the very lower SO 2 oxidation activity due to the higher acidity leads to the remarkable improvement of sulfur tolerance.

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“…Some transition metal containing catalysts have been investigated for the low temperature SCR reaction, such as chronaia [2], NiSO 4 /Al 2 O 3 [18], MnO x /Al 2 O 3 [19], V 2 O 5 /activated carbon [20], iron-silica aerogels [21], MnO x /NaY [22], MnOx/TiO 2 [23] and other oxides [24]. They showed various SCR activities at below 200°C under different conditions.…”

Section: Introductionmentioning

confidence: 99%

Low-temperature SCR of NO with NH3 over noble metal promoted Fe-ZSM-5 catalysts

Yang

2005

Catal Lett

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We have reported previously the excellent performance of Fe-exchanged ZSM-5 for selective catalytic reduction (SCR) of NO with ammonia at high temperatures (300-400°C). In this work, we found that the reaction temperature could be decreased to 200-300°C when a small amount of noble metal (Pt, Rh, or Pd) was added to the Fe-ZSM-5. The SCR activity follows the order Pt/Fe-ZSM-5 > Rh/Fe-ZSM-5 > Pd/Fe-ZSM-5 at 250°C. On the Pt promoted Fe-ZSM-5, 90% NO conversion was obtained at 250°C at GHSV = 1.1 · 10 5 h )1 . Moreover, the noble metal improved the resistance to H 2 O and SO 2 . The presence of H 2 O and SO 2 decreased the SCR performance only very slightly.

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Cold selective catalytic reduction of nitric oxide for flue gas applications

Cited by 46 publications

References 4 publications

Deactivation of the Vanadia Catalyst in the Selective Catalytic Reduction Process

Deactivation of the Vanadia Catalyst in the Selective Catalytic Reduction Process

Low temperature selective catalytic reduction of NO by NH3 over V2O5 supported on TiO2–SiO2–MoO3

Low-temperature SCR of NO with NH3 over noble metal promoted Fe-ZSM-5 catalysts

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