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过渡金属修饰Fe2O3/Al2O3氧载体的Redox性能研究

杨伟进,  王坤,  赵海波,  马琎晨,  梅道锋,  郑楚光

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文章导航 > 燃料化学学报（中英文）  > 2015 >  43(05): 635-640
杨伟进, 王坤, 赵海波, 马琎晨, 梅道锋, 郑楚光. 过渡金属修饰Fe2O3/Al2O3氧载体的Redox性能研究[J]. 燃料化学学报（中英文）, 2015, 43(05): 635-640.
引用本文: 杨伟进, 王坤, 赵海波, 马琎晨, 梅道锋, 郑楚光. 过渡金属修饰Fe2O3/Al2O3氧载体的Redox性能研究[J]. 燃料化学学报（中英文）, 2015, 43(05): 635-640.
shu
YANG Wei-jin, WANG Kun, ZHAO Hai-bo, MA Jin-chen, MEI Dao-feng, ZHENG Chu-guang. Investigation on redox performance of transition metal decorated Fe2O3/Al2O3 oxygen carrier[J]. Journal of Fuel Chemistry and Technology, 2015, 43(05): 635-640.
Citation: YANG Wei-jin, WANG Kun, ZHAO Hai-bo, MA Jin-chen, MEI Dao-feng, ZHENG Chu-guang. Investigation on redox performance of transition metal decorated Fe2O3/Al2O3 oxygen carrier[J]. Journal of Fuel Chemistry and Technology, 2015, 43(05): 635-640.
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过渡金属修饰Fe2O3/Al2O3氧载体的Redox性能研究

  • 华中科技大学 煤燃烧国家重点实验室, 湖北 武汉 430074

基金项目: 国家自然科学基金(51390494)。
详细信息
    通讯作者:

    赵海波, E-mail: klinsmannzhb@163.com, Tel: 027-87545526-8208, Fax: 027-87545526。

  • 中图分类号: O643

Investigation on redox performance of transition metal decorated Fe2O3/Al2O3 oxygen carrier

  • State Key Laboratory of Coal Combustion, Huazhong University of Science & Technology, Wuhan 430074, China

    摘要
  • 摘要: 采用冷冻干燥法分别制备了经Cu、Co、Mn、Ni修饰的Fe2O3/Al2O3氧载体。利用化学吸附仪,通过程序升温还原(H2-TPR)和程序升温氧化(TPO)来研究经不同过渡金属修饰的Fe2O3/Al2O3与H2和O2的反应性能。实验发现,在Fe2O3/Al2O3中加入Cu、Co、Ni以后,氧载体与H2的反应性都有提高,但是当在Fe2O3/Al2O3中加入Mn以后,氧载体的反应性和载氧能力反而下降。经Cu修饰的Fe2O3/Al2O3与H2的反应性最高,且具有很好的反应稳定性,适合用于化学链燃烧。
    Abstract: Cu, Co, Mn and Ni decorated Fe2O3/Al2O3 oxygen carriers were prepared by freeze-drying method in this work. Temperature programmed reduction (H2-TPR) and Temperature programmed oxidation (TPO) experiments were conducted in an automatic chemisorption instrument, and the reactivity of transition metal decorated Fe2O3/Al2O3 oxygen carriers with H2 and O2 was evaluated. The results showed that the reactivity for oxygen carrier with H2 was improved after decorated with Cu, Co and Ni. But when decorated with Mn, the reactivity and oxygen transport capacity of oxygen carrier decreased. The Cu-decorated Fe2O3/Al2O3 oxygen carrier demonstrated the best reactivity with H2 and favorable stability. Therefore, it could be a potential oxygen carrier for using in the chemical looping combustion.
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  • 收稿日期:  2014-12-24
  • 刊出日期:  2015-05-30

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