Promoting effect of the addition of Ce and Fe on manganese oxide catalyst for 1,2-dichlorobenzene catalytic combustion |
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| Affiliation: | 1. School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, PR China;2. Centre for Mineral Materials, School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, PR China;3. Key Laboratory for Mineral Materials and Application of Hunan Province, Central South University, Changsha 410083, PR China;1. Department of Environmental Science and Engineering, School of Energy and Power Engineering, Xi''an Jiaotong University, Xi''an 710049, Shaanxi, China;2. Center of Nanomaterials for Renewable Energy, State Key Laboratory of Electrical Insulation and Power Equipment, School of Electrical Engineering, Xi''an Jiaotong University, Xi''an 710049, Shaanxi, China;3. Department of Environmental Nano-materials, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China |
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| Abstract: | Mn-based mixed-oxide (MnOx) catalysts were modified with Fe, Ce, and Ce + Fe, and its catalytic oxidation activity was tested by using 1,2-dichlorobenzene (o-DCB) as models of chlorinated volatile organic compounds. Addition of Ce or Ce + Fe into MnOx promoted their crystals to turn into amorphous powder, enhanced their specific surface area and changed their redox property. The catalytic activity of MnOx improved remarkably by adding Ce or Ce + Fe indicating Ce plays an important role. Both Mn-Ce and Mn-Ce-Fe catalysts exhibited good stability for catalytic oxidation of o-DCB, indicating that the introduction of promoter is an important method to improve the catalytic performance. |
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