Cu/Co/Fe水滑石衍生的复合氧化物催化高氯酸铵热分解的研究

刘洪博 ,  黄志勇 ,  郭冰之 ,  矫庆泽

引用本文: 刘洪博, 黄志勇, 郭冰之, 矫庆泽. Cu/Co/Fe水滑石衍生的复合氧化物催化高氯酸铵热分解的研究[J]. 无机化学学报, 2013, 29(5): 1077-1083. doi: 10.3969/j.issn.1001-4861.2013.00.132 shu
Citation:  LIU Hong-Bo, HUANG Zhi-Yong, GUO Bing-Zhi, JIAO Qing-Ze. Catalytic Thermal Decomposition of Ammonium Perchlorate by Cu/Co/Fe Mixed Oxides Derived from Layered Double Hydroxides[J]. Chinese Journal of Inorganic Chemistry, 2013, 29(5): 1077-1083. doi: 10.3969/j.issn.1001-4861.2013.00.132 shu

Cu/Co/Fe水滑石衍生的复合氧化物催化高氯酸铵热分解的研究

  • 基金项目:

    北京理工大学珠海学院青年教师科研发展基金(No.2011B06)资助项目。 (No.2011B06)

摘要: 以Cu/Co/Fe水滑石(Cu/Co/Fe-LDHs)为前驱体经过焙烧制备了Cu/Co/Fe复合氧化物(Cu/Co/Fe-MOs)。利用DTA和TG-MS研究了Cu/Co/Fe-MOs作为新型催化剂对高氯酸铵热分解的催化性能。结果表明,Cu/Co/Fe-MOs呈现为CuFe2O4和(CoFe2)O4晶相,具有70~110 m2·g-1的比表面积。晶粒大小均匀,尺寸在20~30 nm。添加4wt%的400 ℃焙烧得到的Cu/Co/Fe-MOs催化剂使高氯酸铵热分解反应的温度降低了139 ℃。Cu/Co/Fe-MOs是通过吸附在金属氧化物表面的超氧离子(O2-)来加速高氯酸铵热分解的。

English

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  • 收稿日期:  2012-10-08
  • 网络出版日期:  2012-12-19
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