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稀土催化剂对CO低温氧化研究

Carbon Monoxide Low-Temperature Oxidation over Rare-Earth Catalyst

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【Author】 Zheng Huade Zhang Yujun Tan Shali Zhang Jingchao Qiu Zifeng(Key Lab.for Liquid Structure and Heredity of Materials Ministry of Education,Key Lab.of Engineering Ceramic ,Shandong University,Jinan 250061;Department of Environment Science and Technology,Shandong University,Jinan 250061)

【机构】山东大学液态金属及遗传教育部重点实验室；山东大学环境科学与工程学院；山东大学液态金属及遗传教育部重点实验室山东大学工程陶瓷省重点实验室；济南 250061；山东大学工程陶瓷省重点实验室；济南 250061；

【摘要】采用共沉淀法制备了稀土催化剂,并考察了沉淀剂种类、制备方法、煅烧温度以及稀土对催化效果的影响。试验结果表明:以Na2CO3为沉淀剂,添加稀土Sm,于300℃煅烧4h制得的稀土催化荆能够在0℃左右将CO完全氧化。更多还原

【Abstract】 Rare-earth catalyst has been prepared by co-precipitation method. In this paper,the influence of the types of precipitating agent,preparing methods,calcination temperature and the kinds of rare-earth were studied. It was found that the sample prepared by co-precipitation method with Na2CO3 as precipitating agent,calcined at 300℃ in air for 4h can oxidize CO to CO2 at about 0℃ completely.更多还原

【关键词】稀土催化剂； CO低温氧化；活性；
【Key words】 rare-earth catalyst carbon monoxide low-temperature oxidation activity；

【文献出处】硅酸盐通报 ,Bulletin of the Chinese Ceramic Society , 编辑部邮箱 ,2004年06期

【分类号】O643.3
【被引频次】3
【下载频次】195

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