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Effect of Mn Precursors on Benzene Oxidation with Ozone Over MnO x /MCM-41 at Low Temperature

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Abstract:

Low temperature benzene oxidation in the presence of ozone on Mno x /MCM-41 catalysts has been studied. Mno x /MCM-41 catalysts were prepared from two different precursors, Mn(NO3)2 and Mn(CH3COO)2, and these samples were characterized by N2 sorption, X-ray diffraction, X-ray photoelectron spectroscopy and temperature programmed reduction. The characterization results showed that the Mno x /MCM-41 prepared from Mn(CH3COO)2 had higher oxygen mobility and dispersion than the Mno x /MCM-41 from Mn(NO3)2. As a result, the Mno x /MCM-41 obtained from Mn(CH3COO)2 showed higher catalytic activity for the oxidation of benzene using ozone; however, without ozone, the catalytic activity was negligible.

Keywords: BENZENE; CATALYTIC OXIDATION; MN PRECURSORS; MNO X/MCM-41; OZONE

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2011.4789

Publication date: August 1, 2011

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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