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

被引:11
|
作者
Lee, Cho Rim [1 ]
Jurng, Jongsoo [2 ]
Bae, Gwi-Nam [2 ]
Jeon, Jong-Ki [3 ]
Kim, Sang Chai [4 ]
Kim, Ji Man [5 ,6 ]
Jin, Mingshi [5 ,6 ]
Park, Young-Kwon [1 ,7 ]
机构
[1] Univ Seoul, Grad Sch Energy & Environm Syst Engn, Seoul 130743, South Korea
[2] Korea Inst Sci & Technol, Environm Sensor Syst Res Ctr, Seoul 136791, South Korea
[3] Kongju Natl Univ, Dept Chem Engn, Cheonan 330717, South Korea
[4] Mokpo Natl Univ, Dept Environm Educ, Muan 534729, South Korea
[5] Sungkyunkwan Univ, Sch Mat Sci BK21, Dept Chem, Suwon 440476, South Korea
[6] Sungkyunkwan Univ, Dept Energy Sci, Suwon 440476, South Korea
[7] Univ Seoul, Sch Environm Engn, Seoul 130743, South Korea
关键词
Mn Precursors; MnOx/MCM-41; Catalytic Oxidation; Benzene; Ozone; SUPPORTED MANGANESE OXIDES; CATALYTIC-OXIDATION; PYROLYSIS;
D O I
10.1166/jnn.2011.4789
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Low temperature benzene oxidation in the presence of ozone on MnOx/MCM-41 catalysts has been studied. MnOx/MCM-41 catalysts were prepared from two different precursors, Mn(NO3)(2) and Mn(CH3COO)(2), and these samples were characterized by N-2 sorption, X-ray diffraction, X-ray photoelectron spectroscopy and temperature programmed reduction. The characterization results showed that the MnOx/MCM-41 prepared from Mn(CH3COO)(2) had higher oxygen mobility and dispersion than the MnOx/MCM-41 from Mn(NO3)(2). As a result, the MnOx/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.
引用
收藏
页码:7303 / 7306
页数:4
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