| Pt合金氨氧化催化剂的结构和性能 |
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| 引用本文： | 宁远涛.Pt合金氨氧化催化剂的结构和性能[J].贵金属,2011,32(1):7-15. |
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| 作者姓名： | 宁远涛 |
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| 作者单位： | 昆明贵金属研究所,贵研铂业股份有限公司,昆明,650106 |
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| 摘 要： | 采用平行比较法研究了Pt-10Rh、Pt-4Pd-3.5Rh和Pt-12Pd-3.5Rh-RE合金以及其氨氧化催化剂的结构与性能.与传统的Pt-10Rh和Pt-4Pd-3.5Rh合金及其催化剂比较,以稀土改性的合金,即Pt-12Pd-3.5Rh-RE合金及其催化剂,具有更高的力学性能(包括室温和高温拉伸强度、持久强度和...
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| 关 键 词： | 金属材料 铂基合金 氨氧化催化剂 氨转化速率 铂耗率 |
Structure and Performances of Platinum-based Alloys as Ammonia Oxidation Catalysts |
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| NING Yuantao.Structure and Performances of Platinum-based Alloys as Ammonia Oxidation Catalysts[J].Precious Metals,2011,32(1):7-15. |
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| Authors: | NING Yuantao |
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| Affiliation: | NING Yuantao(Kunming Institute of Precious Metals,Sino-Platinum Metals Co.Ltd.,Kunming 650106,China) |
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| Abstract: | A comparative study for the structure and performances of Pt-10Rh,Pt-4Pd-3.5Rh and Pt-12Pd-3.5Rh-RE alloys as the ammonia oxidation catalysts was carried out.Compared with the traditional Pt-10Rh and Pt-4Pd-3.5Rh catalytic alloys,the new alloy,Pt-12Pd-3.5Rh-RE,possesses higher mechanical properties,including the tensile strength at room and high temperatures,the lasting strength and the creep resistivity,and lower volatilization rate.The catalytic gauzes made of the new alloy show higher conversion rate of ... |
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| Keywords: | metal material platinum-based alloys ammonia oxidation catalysts conversion rate of ammonia to oxides of nitrogen platinum-loss rate |
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