Manganese and iron oxides as combustion catalysts of volatile organic compounds

被引:99
作者
Duran, Flavia G. [1 ]
Barbero, Bibiana P. [1 ]
Cadus, Luis E. [1 ]
Rojas, Cristina [2 ]
Centeno, Miguel A. [2 ]
Odriozola, Jose A. [2 ]
机构
[1] Consejo Nacl Invest Cient & Tecn, UNSL, INTEQUI, Inst Invest Tecnol Quim, RA-5700 San Luis, Argentina
[2] Univ Seville, Inst Ciencia Mat Sevilla, Ctr Mixto, CSIC, Seville 41092, Spain
关键词
Iron-based catalyst; Manganese-based catalyst; VOCs; Ethanol; Toluene; Ethyl acetate; Catalytic combustion; OXIDATION; THERMOCHEMISTRY; REDUCTION; PROPANE; ETHANOL; VOCS;
D O I
10.1016/j.apcatb.2009.07.010
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
FeMn mixed oxides were prepared by the citrate method with Fe:Mn atomic ratio equal to 1:1, 1:3 and 3:1. The sample was characterized by means of specific surface area measurements, X-ray diffractometry (XRD), temperature programmed desorption of oxygen (O(2)-DTP), temperature programmed reduction (TPR), X-ray fluorescence (XRF), transmission electron microscopy (TEM and SAED) and high resolution TEM (HREM). The characterization results demonstrated the formation of a Mn(2)O(3)-Fe(2)O(3) solid solution. The catalytic performance in ethanol, ethyl acetate and toluene total oxidation on these samples was better than on Fe(2)O(3) and Mn(2)O(3) pure oxides. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码:194 / 201
页数:8
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