| 王拴紧,薛锦珍.担载型钴镍金属氧化物催化剂上CH4还原NO反应研究[J].分子催化,1999,(2):147-150 |
| 担载型钴镍金属氧化物催化剂上CH4还原NO反应研究 |
| Study on the Reduction of Nitric Oxide by CH4 on Supported Co and Ni Oxide Catalysts |
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| DOI： |
| 中文关键词: 甲烷 催化剂 天然气发动机 一氧化氮 还原 |
| 英文关键词:Nitric oxide, Selective catalytic reduction, Methane, Metal oxides, |
| 基金项目: |
| 王拴紧 薛锦珍 |
| 中国科学院兰州化学物理研究所羰基合成与选择氧化国家重点实验室 |
| 摘要点击次数: 857 |
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| 中文摘要: |
| ＮＯｘ是大气的主要污染物之一，近年来，利用甲烷选择还原ＮＯｘ引起了广泛关注，研究发现，Ｃｏ、Ｍｎ和Ｎｉ离子交换的ＺＳＭ－５分子筛具有较高的活性［１～３］．但金属离子交换的分子筛催化剂有热稳定性差、易失活等缺点．最近已有金属氧化物用作甲烷还原ＮＯｘ反应... |
| 英文摘要: |
| Constant temperature pulse reaction (CTPR) technique was used to study the reduction of NO by CH4 on a series of supported Co and Ni oxide catalysts. These catalysts which are poor catalysts for the direct decomposition of nitric oxide , are good catalysts for nitric oxide reduction by methane. Complete reduction of nitric oxide was obtained at 400 over La2O3 supported catalysts. The conversion of methane increases with the decrease of concentrations of methane and nitric oxide. For the same carrier, supported Co oxide catalysts are more active than supported Ni oxide catalysts for the title reaction. |
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