Investigation on the Reaction Performance of Soybean Stalk Ash Modified Iron Ore Oxygen Carrier in Coal-Fuelled Chemical Looping Combustion

被引：0
|
作者：
Zhang S. [1 ]
Xiao R. [2 ]
Yang H. [2 ]
Chen C. [1 ]
机构：
[1] Shenhua Guohua (Beijing) Electric Power Research Institute Co., Ltd., Chaoyang District, Beijing
[2] Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education (Southeast University), Nanjing, 210096, Jiangsu Province
来源：
Xiao, Rui (ruixiao@seu.edu.cn) | 1600年 / Chinese Society for Electrical Engineering卷 / 37期
基金：
中国国家自然科学基金;
关键词：
Coal-fuelled chemical looping combustion; Iron ore; Modification; Oxygen carrier; Soybean stalk ash;
D O I：
10.13334/j.0258-8013.pcsee.160253
中图分类号：
学科分类号：
摘要：
The soybean stalk ash (SSA) rich in alkali and alkali-earth elements was adopted to modify the iron ore oxygen carrier, and the reaction performance of SSA-modified iron ores in coal-fuelled CLC process was evaluated in a fluidized bed reactor. The results show the reaction performance of iron ore significantly promoted by the presence of SSA, with the CO2 capture concentration, carbon conversion and instantaneous gasification rate improved in different degrees. With the increases of SSA loading content and operating temperature, the SSA modified iron ores show a gradual increase in its reactivity. The test focusing on the cyclic reaction performance of modified iron ore shows that the high ratio of K to Si in SSA could prevents severe sintering occurred on iron ore, the modified iron ore could keep a porous structure with the stable recyclability achieved, but the adherence of SSA on iron ore oxygen carrier should be strengthened. © 2017 Chin. Soc. for Elec. Eng.
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页码：2304 / 2311
页数：7
相关论文
共 22 条
  • [1] Li Z., Bao J., Sun H., Et al., Research and development of coal-fueled chemical looping combustion, Proceedings of the CSEE, 34, 29, pp. 5131-5139, (2014)
  • [2] Jin H., Wang B., Principle of cascading utilization of chemical energy, Journal of Engineering Thermophysics, 25, 2, pp. 181-184, (2004)
  • [3] Bao J., Li Z., Cai N., Interaction between iron-based oxygen carrier and four coal ashes during chemical looping combustion, Applied Energy, 115, pp. 549-558, (2014)
  • [4] Mendiara T., de Diego L.F.F., Garcia-Labiano F., Et al., On the use of a highly reactive iron ore in Chemical Looping Combustion of different coals, Fuel, 126, pp. 239-249, (2014)
  • [5] Arjmand M., Leion H., Mattisson T., Et al., Investigation of different manganese ores as oxygen carriers in chemical-looping combustion (CLC) for solid fuels, Applied Energy, 113, pp. 1883-1894, (2014)
  • [6] Wang K., Zhao H., Tian X., Et al., Chemical-looping with oxygen uncoupling of different coals using copper ore as an oxygen carrier, Energy & Fuels, 29, 10, pp. 6625-6635, (2015)
  • [7] Mendiara T., Garcia-Labiano F., Gayan P., Et al., Evaluation of the use of different coals in chemical looping combustion using a bauxite waste as oxygen carrier, Fuel, 106, pp. 814-826, (2013)
  • [8] Gu H., Wu J., Hao J., Et al., Experiments on chemical looping combustion of coal in interconnected fluidized bed using hematite as oxygen carrier, Proceedings of the CSEE, 30, 17, pp. 51-56, (2010)
  • [9] Linderholm C., Schmitz M., Knutsson P., Et al., Use of low-volatile solid fuels in a 100 kW chemical-looping combustor, Energy & Fuels, 28, 9, pp. 5942-5952, (2014)
  • [10] Xiao R., Chen L., Saha C., Et al., Pressurized chemical-looping combustion of coal using an iron ore as oxygen carrier in a pilot-scale unit, International Journal of Greenhouse Gas Control, 10, pp. 363-373, (2012)
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