4.5 Article

Catalytic Oxidation of Ammonia to NO over Perovskite-type LaMnO3 and LaVO4 Catalysts

Journal

CATALYSIS LETTERS
Volume 141, Issue 8, Pages 1215-1218

Publisher

SPRINGER
DOI: 10.1007/s10562-011-0634-y

Keywords

Perovskite; LaMnO3; LaVO4; Ammonia catalytic oxidation; NOX

Funding

  1. United Nations Industrial Development Organization [TF/CPR/03/006, 16001584]
  2. National Foundation of Zhejiang Province, China [Z4080070]
  3. Science and Technology Bureau of Zhejiang Province, China [2008C21057, 2009C34003]
  4. Fundamental Research Funds for the Central Universities [2010QNA4005]

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Catalytic oxidation of NH3 to NO + NO2 (NOX) over perovskite-type LaMnO3 and LaVO4 prepared by sol-gel was studied. X-ray diffractometry and scanning electron microscopy analyses confirmed that the prepared LaMnO3 and LaVO4 had perovskite-type porous structure, and a specific surface area of 33.58 m(2)/g and 1.2 m(2)/g for LaMnO3 and LaVO4 was measured by BET, respectively. The catalytic oxidation of ammonia to NOX was found to begin at 350 A degrees C, and approximately 88 and 95% of NH3 was oxidized to NOX at 600 A degrees C over LaMnO3 and LaVO4, respectively.

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