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La_(0.75)K_(0.25)Mn_(0.95)Cu_(0.05)O_3/CeO_2催化净化FCC再生烟气的研究 被引量:2

Study on La_(0. 75)K_(0. 25)Mn_(0. 95)Cu_(0. 05)O_3/CeO_2 catalysts for FCC regenerated flue gas purification
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摘要 采用浸渍法制备La_(0.75)K_(0.25)Mn_(0.95)Cu_(0.05)O_3/CeO_2钙钛矿型复合氧化物催化剂(负载质量分数分别为10%、20%、30%、50%和100%),利用XRD、FT-IR及UV-Vis DRS表征手段对制备的催化剂进行表征,以C_2H_2为还原剂,考察该氧化催化剂净化FCC再生烟气的性能。结果表明,制备的系列氧化催化剂存在明显的钙钛矿结构,并且La_(0.75)K_(0.25)Mn_(0.95)Cu_(0.05)O_3/CeO_2(50%)催化剂的氧化活性最高。 Perovskite-type composite oxide catalystsLa0.75 K0.25 Mn0.95 Cu0.05 O3/Ce02 with loading mass fraction of 10% ,20% ,30% ,50% and 100% were prepared by impregnation method, and characterized by using XRD, FF-IR and UV-Vis DRS techniques. The performance of the catalysts for FCC regenerated flue gas purification were investigated using C2 H2 as the reducer. The results showed that the as-prepared oxidation catalysts had the obvious structures of perovskite, andLa0.75 K0.25 Mn0.95 Cu0.05 O3/Ce02 ( 50% ) catalyst exhibited the best catalytic activity.
出处 《工业催化》 CAS 2011年第11期88-91,共4页 Industrial Catalysis
基金 国家自然科学基金(21173270 21177160 20803093 20833011)资助项目 国家高技术研究发展计划(863计划)(2009AA06Z313)资助项目 中国石油(2011D-4604-0101)资助项目 创新基金(2010D-5006-0402)资助项目 新世纪优秀人才支持计划(NCET-10-0811)资助项目 博士点基金(200804251016)资助项目
关键词 催化化学 钙钛矿 氧化催化剂 FCC再生烟气 catalytic chemistry perovskite oxidation catalyst FCC regenerated flue gas
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