Effect on Addictives Adding of Mn-Ce/TiO2 Selective Catalytic Reduction NO by NH3 at Low-Temperature

Bin Wu

doi:10.4028/www.scientific.net/AMR.955-959.25

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 955-959Effect on Addictives Adding of Mn-Ce/TiO2...

Effect on Addictives Adding of Mn-Ce/TiO₂ Selective Catalytic Reduction NO by NH₃ at Low-Temperature

Abstract:

Additives addition into Mn-Ce/TiO₂ which had good low-temperature catalytic properties was studied, so as to improve its low-temperature anti-poisoning performance. Results showed that catalytic activity of Mn-Ce/TiO₂added additives V, Fe and Cu (short for Mn-M-Ce/TiO₂ ) was improved all, compared with 95% NO conversion efficiency of Mn-Ce/TiO₂at temperature of 120°C, the ratio of Mn-M-Ce/TiO₂ reached nearly 100%. Mn-Fe-Ce/TiO₂ had the best single anti-poisoning ability, under the existence of 7% vapor, its catalytic conversion efficiency could be always kept over 90% at 120°C.The anti-SO₂poisoning ability at low-temperature reduced after adding additives Fe and Cu. catalytic conversion efficiency of Mn-Fe-Ce/TiO₂ and Mn-Cu-Ce/TiO₂ could be close to 90% at temperature of 180°C when water and SO₂ exist simultaneously.

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Periodical:

Advanced Materials Research (Volumes 955-959)

Pages:

25-29

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.955-959.25

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Online since:

June 2014

Authors:

Bin Wu*

Keywords:

Low Temperature, SCR, Sulphur Resistance, Water Resistance

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