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稀土镍复合氧化物催化氧化甲烷制合成气
Authors
万惠霖
严前古
吴廷华
Publication date
30 May 1999
Publisher
Abstract
用固定床流动反应装置研究了LaNiO3,La2NiO4 和LaSrNiO4 等Ni基稀土类钙钛石型复合氧化物上甲烷催化部分氧化制合成气的反应性能,并运用X射线衍射XRD和X光电子能谱XPS等表征了反应前后催化剂的晶相结构和表面性质。结果发现稀土镍复合氧化物催化剂本身对甲烷部分氧化反应催化活性不高,但对甲烷彻底氧化有较高活性。在反应过程中复合氧化物分解成稀土氧化物和金属Ni,金属Ni是部分氧化的活性中心
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Last time updated on 16/06/2016