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Cr-MnOx mixed-oxide catalysts for selective catalytic reduction of NOx with NH3 at low temperature

Abstract:

Cr-Mn mixed-oxide based catalysts were prepared for the low-temperature selective catalytic reduction of NOx with ammonia in the presence of excess oxygen. It was found that the Cr(0.4)-MnOx showed the highest activity and yielded 98.5% NOx conversion at 120 °C. XRD, TPR and Raman data results suggested that a crystalline phase of CrMn 1.5O4 was present in the Cr-MnOx catalysts, which contained the active species. XPS results of fresh, used and regenerated Cr(0.4)-MnOx catalysts illustrated c...

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Publisher copy:
10.1016/j.jcat.2010.08.016

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Journal:
Journal of Catalysis
Volume:
276
Issue:
1
Pages:
56-65
Publication date:
2010-11-19
DOI:
EISSN:
1090-2694
ISSN:
0021-9517
URN:
uuid:f0a612db-035c-429a-bc15-baea67e9e03e
Source identifiers:
93387
Local pid:
pubs:93387

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