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KxFeyOz对煤化学链催化燃烧性能影响研究

翟春华 ,  郭万军 ,  沈来宏 ,  陈定千 ,  宋涛 ,  肖军

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引用本文: 翟春华, 郭万军, 沈来宏, 陈定千, 宋涛, 肖军. KxFeyOz对煤化学链催化燃烧性能影响研究[J]. 燃料化学学报, 2014, 42(3): 309-315. shu
Citation:  ZHAI Chun-hua, GUO Wan-jun, SHEN Lai-hong, CHEN Ding-qian, SONG Tao, XIAO Jun. Effect of KxFeyOz on chemical looping catalytic combustion of coal[J]. Journal of Fuel Chemistry and Technology, 2014, 42(3): 309-315. shu

KxFeyOz对煤化学链催化燃烧性能影响研究

    通讯作者: 沈来宏(1965-),男,教授,主要研究方向为化学链技术,E-mail:lhshen@seu.edu.cn,Tel:025-83795598; Fax:025-57714489
  • 基金项目:

    国家自然科学基金(51276037) (51276037)

    江苏省科技支撑项目(BE2012166)。 (BE2012166)

摘要: 以廉价的钙铝水泥作为载氧体制备过程的载体,并以机械混合-挤压成型造粒法制备了基于Fe2O3为载氧体活性相、钙铝水泥为载体的新型载氧体。在单流化床反应器上研究了钙铝水泥添加比例以及钾添加剂对合成载氧体的化学链燃烧性能的影响。研究结果表明,合成载氧体中载体以Ca2Al2SiO7形式存在,钾的添加显著提高了煤气化反应速率以及煤转化速率,钾在稳定相中以K2Fe22O34存在。K2Fe22O34在煤化学链燃烧过程的催化性能体现在其作为储钾相与KFeO2相的形态转变过程中。

English

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  • 收稿日期:  2013-09-03
  • 网络出版日期:  2013-11-06
通讯作者: 陈斌, bchen63@163.com
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