钙钛矿SrFe1-xMnxO3催化剂:共沉淀法制备及催化甲烷燃烧的性能

郑建东 葛秀涛

引用本文: 郑建东, 葛秀涛. 钙钛矿SrFe1-xMnxO3催化剂:共沉淀法制备及催化甲烷燃烧的性能[J]. 无机化学学报, 2013, 29(6): 1307-1311. doi: 10.3969/j.issn.1001-4861.2013.00.183 shu
Citation:  ZHENG Jian-Dong, GE Xiu-Tao. Perovskite-Type SrFe1-xMnxO3 Catalysts: Preparation by Co-precipitation Method and Catalytic Performance for Methane Combustion[J]. Chinese Journal of Inorganic Chemistry, 2013, 29(6): 1307-1311. doi: 10.3969/j.issn.1001-4861.2013.00.183 shu

钙钛矿SrFe1-xMnxO3催化剂:共沉淀法制备及催化甲烷燃烧的性能

  • 基金项目:

    安徽省教育厅自然科学研究重点项目(No.KJ2012A213) (No.KJ2012A213)

    安徽省教育厅教研项目(No.2012jyxm534) (No.2012jyxm534)

    安徽省应用化学重点学科(No. 200802187C)资助项目。 (No. 200802187C)

摘要: 通过共沉淀法制备了SrFe1-xMnxO3钙钛矿催化剂。用XRD、TPR和TG-DSC技术对催化剂进行了物理性能表征,以甲烷催化燃烧为目标反应表征其催化性能,通过BET模型计算了其比表面积,通过阿伦尼乌斯方程计算了反应的表观活化能。结果表明用共沉淀法制备钙钛矿催化剂经700 ℃焙烧4 h后可以形成完整的钙钛矿晶型, 样品都具有高的催化性能,但随着锰离子的掺杂,催化剂活性明显提高,其中SrMnO3催化剂具有较高甲烷催化燃烧活性, 起燃温度T10%为435 ℃,至457 ℃甲烷完全转化。

English

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  • 收稿日期:  2012-10-05
  • 网络出版日期:  2013-03-08
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