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| 铂基催化剂用于柴油烃氧化 | |
| 引用本文： | Masaaki HANEDA,Motoi SASAKI,Hideaki HAMADA,Masakuni OZAWA. 铂基催化剂用于柴油烃氧化[J]. 催化学报, 2011, 32(5): 777-781. DOI: 10.1016/S1872-2067(10)60192-1 |
| 作者姓名： | Masaaki HANEDA Motoi SASAKI Hideaki HAMADA Masakuni OZAWA |
| 作者单位： | Ceramics Research Laboratory;Nagoya Institute of Technology;Research Center for New Fuels and Vehicle Technology;National Institute of Advanced Industrial Science and Technology(AIST); |
| 基金项目： | supported by the New Energy and Industrial Technology Development Organization(NEDO) |
| 摘 要： | The catalytic performance of Pt-based catalysts for the total oxidation of hydrocarbons was investigated.The activity of supported Pt catalysts(Pt/Al2O3,Pt/ZrO2,Pt/TiO2,and Pt/H-ZSM-5)depends on the metal oxide support.Pt/Al2O3 showed the highest catalytic activity when the catalysts were aged at 750°C for 50 h in air.The activity of Pt/Al2O3 was dependent on the valence state of the Pt surface.Pt/Al2O3 with the Pt surface in the metallic state was more active than with the surface in the cationic state.The surface density of acid and basic sites on the Al2O3 support controlled the valence state of the Pt surface and stability of the Pt particles in the highly dispersed state,respectively. |
| 关 键 词： | diesel oxidation catalyst platinum alumina valence state of platinum surface surface acid-base property |
Platinum-Based Catalyst for Diesel Hydrocarbon Oxidation |
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| Masaaki HANEDA,Motoi SASAKI,Hideaki HAMADA,Masakuni OZAWA. Platinum-Based Catalyst for Diesel Hydrocarbon Oxidation[J]. Chinese Journal of Catalysis, 2011, 32(5): 777-781. DOI: 10.1016/S1872-2067(10)60192-1 | |
| Authors: | Masaaki HANEDA Motoi SASAKI Hideaki HAMADA Masakuni OZAWA |
| Affiliation: | Masaaki HANEDA1,*,Motoi SASAKI2,Hideaki HAMADA2,Masakuni OZAWA1 1Ceramics Research Laboratory,Nagoya Institute of Technology,10-6-29 Asahigaoka,Tajimi,Gifu 507-0071,Japan 2Research Center for New Fuels and Vehicle Technology,National Institute of Advanced Industrial Science and Technology(AIST),AIST Tsukuba Central 5,1-1-1 Higashi,Tsukuba,Ibaraki 305-8565,Japan |
| Abstract: | The catalytic performance of Pt-based catalysts for the total oxidation of hydrocarbons was investigated.The activity of supported Pt catalysts(Pt/Al2O3,Pt/ZrO2,Pt/TiO2,and Pt/H-ZSM-5)depends on the metal oxide support.Pt/Al2O3 showed the highest catalytic activity when the catalysts were aged at 750°C for 50 h in air.The activity of Pt/Al2O3 was dependent on the valence state of the Pt surface.Pt/Al2O3 with the Pt surface in the metallic state was more active than with the surface in the cationic state.The surface density of acid and basic sites on the Al2O3 support controlled the valence state of the Pt surface and stability of the Pt particles in the highly dispersed state,respectively. |
| Keywords: | diesel oxidation catalyst platinum alumina valence state of platinum surface surface acid-base property |
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