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惰性载体对CaSO4载氧体化学链燃烧性能的影响

毕文卓,  赵瑞东,  陈天举,  王志奇,  吴晋沪

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文章导航 > 燃料化学学报（中英文）  > 2015 >  43(03): 367-371
毕文卓, 赵瑞东, 陈天举, 王志奇, 吴晋沪. 惰性载体对CaSO4载氧体化学链燃烧性能的影响[J]. 燃料化学学报（中英文）, 2015, 43(03): 367-371.
引用本文: 毕文卓, 赵瑞东, 陈天举, 王志奇, 吴晋沪. 惰性载体对CaSO4载氧体化学链燃烧性能的影响[J]. 燃料化学学报（中英文）, 2015, 43(03): 367-371.
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BI Wen-zhuo, ZHAO Rui-dong, CHEN Tian-ju, WANG Zhi-qi, WU Jin-hu. Effect of binders on the performance of CaSO4 oxygen carrier in chemical looping combustion[J]. Journal of Fuel Chemistry and Technology, 2015, 43(03): 367-371.
Citation: BI Wen-zhuo, ZHAO Rui-dong, CHEN Tian-ju, WANG Zhi-qi, WU Jin-hu. Effect of binders on the performance of CaSO4 oxygen carrier in chemical looping combustion[J]. Journal of Fuel Chemistry and Technology, 2015, 43(03): 367-371.
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惰性载体对CaSO4载氧体化学链燃烧性能的影响

  • 1.

    中国科学院青岛生物能源与过程研究所 中国科学院生物燃料重点实验室, 山东 青岛 266101;

  • 2.

    中国科学院大学, 北京 100049

基金项目: 国家重点基础研究发展规划(973 计划, 2011CB201502); 中国博士后科学基金(2014M551978)。
详细信息
    通讯作者:

    赵瑞东,Tel:0532-80662764,E-mail:zrd_gscas@126.com;吴晋沪,Tel:0532-80662761,E-mail:wujh@qibebt.ac.cn。

  • 中图分类号: TQ546

Effect of binders on the performance of CaSO4 oxygen carrier in chemical looping combustion

  • 1.

    Key Laboratory of Biofuels, Qingdao Institute of Bioenergy & Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, China;

  • 2.

    University of Chinese Academy of Sciences, Beijing 100049, China

    摘要
  • 摘要: 为提高化学链燃烧中CaSO4载氧体的机械强度和反应活性,采用机械混合法制备了负载甘油、硅溶胶以及拟薄水铝石惰性载体的CaSO4载氧体,并对其机械强度、反应特性等进行了实验研究。结果表明,甘油和硅溶胶的加入可显著提高CaSO4载氧体的机械强度,而拟薄水铝石作用较小。热重还原实验表明,甘油和硅溶胶的加入可加快载氧体与甲烷的反应速率,缩短反应时间。XRD分析表明,惰性载体的加入不会影响CaSO4向CaS转化,CaSO4接近完全转化。
    Abstract: In order to improve the mechanical strength and reactivity of CaSO4 oxygen carrier, the addition of glycerinum, silica sol and pseudo-boehmitewere to CaSO4 oxygen carriers was applied by mechanical mixing, and the effect on the mechanical strength and the characteristics of reaction was experimentally investigated. The results show that the addition of glycerinum and silica sol significantly improves the mechanical strength of CaSO4 oxygen carrier, while the pseudo-boehmite has little effect. TGA results indicate that the addition of glycerinum and silica sol can accelerate the reaction rate and decrease the reaction time. The XRD analysis demonstrates that the addition of binders doesn't affect the conversion from CaSO4 to CaS and the conversion is nearly complete.
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  • 收稿日期:  2014-09-02
  • 刊出日期:  2015-03-30

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