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TiO2改性的镁基中温吸附剂及其CO2吸附性能的研究

杨丽霞 刘丹 刘道胜 孙成志 徐煇旼 桂建舟 朴容起

杨丽霞, 刘丹, 刘道胜, 孙成志, 徐煇旼, 桂建舟, 朴容起. TiO2改性的镁基中温吸附剂及其CO2吸附性能的研究[J]. 燃料化学学报(中英文), 2015, 43(12): 1498-1503.
引用本文: 杨丽霞, 刘丹, 刘道胜, 孙成志, 徐煇旼, 桂建舟, 朴容起. TiO2改性的镁基中温吸附剂及其CO2吸附性能的研究[J]. 燃料化学学报(中英文), 2015, 43(12): 1498-1503.
YANG Li-xia, LIU Dan, LIU Dao-sheng, SUN Cheng-zhi, SEO Hwi-min, GUI Jian-zhou, PARK Yong-ki. TiO2 modified magnesium-based adsorbents for intermediate-temperature CO2 capture[J]. Journal of Fuel Chemistry and Technology, 2015, 43(12): 1498-1503.
Citation: YANG Li-xia, LIU Dan, LIU Dao-sheng, SUN Cheng-zhi, SEO Hwi-min, GUI Jian-zhou, PARK Yong-ki. TiO2 modified magnesium-based adsorbents for intermediate-temperature CO2 capture[J]. Journal of Fuel Chemistry and Technology, 2015, 43(12): 1498-1503.

TiO2改性的镁基中温吸附剂及其CO2吸附性能的研究

基金项目: 国家自然科学基金(21576211),新世纪优秀人才支持计划(NCET-11-1011),天津市应用基础与前沿技术研究计划(13JCYBJC41600)和韩国教育科技部(KCCS2020Project)资助项目
详细信息
    通讯作者:

    刘丹,E-mail:ldan2000@163.com;桂建舟,E-mail:jzgui@hotmail.com;朴容起,E-mail:ykpark@krict.re.kr.

  • 中图分类号: O647.33

TiO2 modified magnesium-based adsorbents for intermediate-temperature CO2 capture

Funds: The project was supported by the National Natural Science Foundation of China (21576211), Program for New Century Excellent Talents in University of Ministry of Education of China(NCET-11-1011), Research Program of Application Foundation and Advanced Technology of Tianjin(13JCYBJC41600) and Korea Minister of Science, ICT and Future Planning (KCCS 2020 Project).
  • 摘要: 采用沉淀法合成一系列TiO2改性的镁基吸附剂,利用XRD、SEM和氮气吸附等方法对吸附剂进行表征,通过变温吸附-脱附动态循环实验考察其CO2吸附性能。随着TiO2含量的增加,样品的结晶度逐渐下降,同时由于焙烧后生成钛酸镁,样品比表面积逐渐减小。当TiO2添加量为2%(质量分数),此时吸附剂呈直径为4.0~5.0μm的球形,局部为纳米片状结构,该吸附剂自第二次循环开始吸附能力无明显变化;经过50次变温吸附脱附循环实验后,动态吸附容量可达6.64%(质量分数),这是由于TiO2改性后生成的钛酸镁为该吸附剂提供了刚性骨架,促进了活性组分的分散,并提高了吸附剂的稳定性。
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出版历程
  • 收稿日期:  2015-06-18
  • 修回日期:  2015-10-28
  • 刊出日期:  2015-12-30

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