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Enhanced performance of ilmenite modified by CeO2, ZrO2, NiO, and Mn2O3 as oxygen carriers in chemical looping combustion

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  • Sun, Zhenkun
  • Lu, Dennis Y.
  • Ridha, Firas N.
  • Hughes, Robin W.
  • Filippou, Dimitrios

Abstract

In this paper, Canadian ilmenite ore-based oxygen carriers (OCs) were, for the first time, prepared by coating the ilmenite ore particles with metal oxides of CeO2, ZrO2, NiO, or Mn2O3 by using precursors of Ce(NO3)3, Zr(O-t-Bu)4, Ni(NO3)2 or Mn(NO3)2, respectively. The reduction reactivity of OCs with methane was examined by temperature-programmed methane reduction (CH4-TPR), and their cyclic performance during the chemical looping methane combustion was investigated isothermally in a thermogravimetric analyzer (TGA). It was demonstrated that the addition of all types of these metal oxides had a positive effect, such as an accelerated reactivity towards methane reduction and enhanced resistance to agglomeration. Specifically, the modification using CeO2 and ZrO2 improved the reactivity of ilmenites towards CH4 reduction at a lower temperature of 750°C. However, the promotion effect decreased when the temperature was elevated to 800°C. NiO modification not only enabled the ilmenite to improve reaction with CH4 due to the generation of a more active compound NiFe2O4, but also to result in higher oxygen transport capacity. Similarly, Mn2O3 modification showed a higher reactivity and a fast reaction rate towards the oxidation of CH4 attributed to the generation of ferrimanganic oxides. Furthermore, the overall oxygen transport capacity of Mn2O3 composed OCs was increased caused by the variable valence of Mn. The addition of CeO2, ZrO2, and NiO always retarded the activation process of ilmenite ore, by contrast, Mn2O3 modified samples accelerated the activation due to the irreversible phase transformation from Mn2O3 to Mn3O4 accompanied by a volume shrinking that led to a flawed particle surface reducing the diffusion resistance.

Suggested Citation

  • Sun, Zhenkun & Lu, Dennis Y. & Ridha, Firas N. & Hughes, Robin W. & Filippou, Dimitrios, 2017. "Enhanced performance of ilmenite modified by CeO2, ZrO2, NiO, and Mn2O3 as oxygen carriers in chemical looping combustion," Applied Energy, Elsevier, vol. 195(C), pages 303-315.
  • Handle: RePEc:eee:appene:v:195:y:2017:i:c:p:303-315
    DOI: 10.1016/j.apenergy.2017.03.014
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    Cited by:

    1. Lin, Shen & Gu, Zhenhua & Zhu, Xing & Wei, Yonggang & Long, Yanhui & Yang, Kun & He, Fang & Wang, Hua & Li, Kongzhai, 2020. "Synergy of red mud oxygen carrier with MgO and NiO for enhanced chemical-looping combustion," Energy, Elsevier, vol. 197(C).
    2. Do, Jeong Yeon & Son, Namgyu & Park, No-Kuk & Kwak, Byeong Sub & Baek, Jeom-In & Ryu, Ho-Jung & Kang, Misook, 2018. "Reliable oxygen transfer in MgAl2O4 spinel through the reversible formation of oxygen vacancies by Cu2+/Fe3+ anchoring," Applied Energy, Elsevier, vol. 219(C), pages 138-150.
    3. Lu, Chunqiang & Li, Kongzhai & Zhu, Xing & Wei, Yonggang & Li, Lei & Zheng, Min & Fan, Bingbing & He, Fang & Wang, Hua, 2020. "Improved activity of magnetite oxygen carrier for chemical looping steam reforming by ultrasonic treatment," Applied Energy, Elsevier, vol. 261(C).
    4. Zhu, Yanyan & Jin, Nannan & Liu, Ruilin & Sun, Xueyan & Bai, Lei & Tian, Hanjing & Ma, Xiaoxun & Wang, Xiaodong, 2020. "Bimetallic BaFe2MAl9O19 (M = Mn, Ni, and Co) hexaaluminates as oxygen carriers for chemical looping dry reforming of methane," Applied Energy, Elsevier, vol. 258(C).
    5. Banerjee, Subhodeep & Shahnam, Mehrdad & Rogers, William A. & Hughes, Robin W., 2023. "Transient simulation of biomass combustion in a circulating fluidized bed riser," Energy, Elsevier, vol. 264(C).
    6. Di, Zichen & Yilmaz, Duygu & Biswas, Arijit & Cheng, Fangqin & Leion, Henrik, 2022. "Spinel ferrite-contained industrial materials as oxygen carriers in chemical looping combustion," Applied Energy, Elsevier, vol. 307(C).
    7. Cheng, Xianming & Li, Kongzhai & Zhu, Xing & Wei, Yonggang & Li, Zhouhang & Long, Yanhui & Zheng, Min & Tian, Dong & Wang, Hua, 2018. "Enhanced performance of chemical looping combustion of methane by combining oxygen carriers via optimizing the stacking sequences," Applied Energy, Elsevier, vol. 230(C), pages 696-711.
    8. Jiang, Qiongqiong & Zhang, Hao & Deng, Ya'nan & Kang, Qilan & Hong, Hui & Jin, Hongguang, 2018. "Properties and reactivity of LaCuxNi1−xO3 perovskites in chemical-looping combustion for mid-temperature solar-thermal energy storage," Applied Energy, Elsevier, vol. 228(C), pages 1506-1514.
    9. Qiu, Yu & Zhang, Shuai & Cui, Dongxu & Li, Min & Zeng, Jimin & Zeng, Dewang & Xiao, Rui, 2019. "Enhanced hydrogen production performance at intermediate temperatures through the synergistic effects of binary oxygen carriers," Applied Energy, Elsevier, vol. 252(C), pages 1-1.
    10. Deng, Guixian & Li, Kongzhai & Zhang, Guifang & Gu, Zhenhua & Zhu, Xing & Wei, Yonggang & Wang, Hua, 2019. "Enhanced performance of red mud-based oxygen carriers by CuO for chemical looping combustion of methane," Applied Energy, Elsevier, vol. 253(C), pages 1-1.
    11. Marek, Ewa & Hu, Wenting & Gaultois, Michael & Grey, Clare P. & Scott, Stuart A., 2018. "The use of strontium ferrite in chemical looping systems," Applied Energy, Elsevier, vol. 223(C), pages 369-382.
    12. Khakpoor, Nima & Mostafavi, Ehsan & Mahinpey, Nader & De la Hoz Siegler, Hector, 2019. "Oxygen transport capacity and kinetic study of ilmenite ores for methane chemical-looping combustion," Energy, Elsevier, vol. 169(C), pages 329-337.
    13. Rana, Shazadi & Sun, Zhenkun & Mehrani, Poupak & Hughes, Robin & Macchi, Arturo, 2019. "Ilmenite oxidation kinetics for pressurized chemical looping combustion of natural gas," Applied Energy, Elsevier, vol. 238(C), pages 747-759.
    14. Gu, Zhenhua & Zhang, Ling & Lu, Chunqiang & Qing, Shan & Li, Kongzhai, 2020. "Enhanced performance of copper ore oxygen carrier by red mud modification for chemical looping combustion," Applied Energy, Elsevier, vol. 277(C).
    15. Tian, Xin & Zhao, Haibo & Ma, Jinchen, 2017. "Cement bonded fine hematite and copper ore particles as oxygen carrier in chemical looping combustion," Applied Energy, Elsevier, vol. 204(C), pages 242-253.

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