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Ash fusion characteristics of bamboo, wood and coal

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  • Liu, Zhijia
  • Zhang, Tao
  • Zhang, Jian
  • Xiang, Hongzhong
  • Yang, Xiaomeng
  • Hu, Wanhe
  • Liang, Fang
  • Mi, Bingbing

Abstract

Ash fusion characteristics of bamboo, masson pine and coal were investigated using X-ray fluorescence (XRF), X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). XRF results showed that the major components of bamboo ash were K2O, SiO2 and SO3. Masson pine ash mainly included Fe2O3 and CaO. Coal ash was comprised of SiO2, Al2O3, CaO, Fe2O3 and SO3. The variation of major components resulted in different fusion characteristics, such as the low fusion temperature of bamboo ash and the high thermal conductivity of masson pine ash. XRD results confirmed chemical compositions transformation because six main chemical reactions occurred during thermal treatment process. SEM and TEM results showed that the elongated grains or plates of various sizes of all thermal treated ashes disappeared and they had less pores and denser structure on the surface, indicating structure transformation. The results from this research will be helpful to promote utilization of masson pine and bamboo for fuel in power station of China.

Suggested Citation

  • Liu, Zhijia & Zhang, Tao & Zhang, Jian & Xiang, Hongzhong & Yang, Xiaomeng & Hu, Wanhe & Liang, Fang & Mi, Bingbing, 2018. "Ash fusion characteristics of bamboo, wood and coal," Energy, Elsevier, vol. 161(C), pages 517-522.
    • Handle: RePEc:eee:energy:v:161:y:2018:i:c:p:517-522
    DOI: 10.1016/j.energy.2018.07.131
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    References listed on IDEAS

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    1. Liu, Zhijia & Hu, Wanhe & Jiang, Zehui & Mi, Bingbing & Fei, Benhua, 2016. "Investigating combustion behaviors of bamboo, torrefied bamboo, coal and their respective blends by thermogravimetric analysis," Renewable Energy, Elsevier, vol. 87(P1), pages 346-352.
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    2. Nguyen, Hoang Khoi & Moon, Ji Hong & Jo, Sung Ho & Park, Sung Jin & Bae, Dal Hee & Seo, Myung Won & Ra, Ho Won & Yoon, Sang-Jun & Yoon, Sung-Min & Lee, Jae Goo & Mun, Tae-Young & Song, Byungho, 2021. "Ash characteristics of oxy-biomass combustion in a circulating fluidized bed with kaolin addition," Energy, Elsevier, vol. 230(C).
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    8. Shih-Kai Liao & Zhong-En Wu & Yun-Hwei Shen, 2023. "Application of Cold Sintering Process for Stabilizing Heavy Metals in Municipal Solid Waste Incineration Fly Ash," Sustainability, MDPI, vol. 15(19), pages 1-21, September.
    9. Feng, Ping & Li, Xiaoyang & Wang, Jinyu & Li, Jie & Wang, Huan & He, Lu, 2021. "The mixtures of bio-oil derived from different biomass and coal/char as biofuels: Combustion characteristics," Energy, Elsevier, vol. 224(C).
    10. Wang, Qian & Han, Kuihua & Wang, Peifu & Li, Shijie & Zhang, Mingyang, 2020. "Influence of additive on ash and combustion characteristics during biomass combustion under O2/CO2 atmosphere," Energy, Elsevier, vol. 195(C).
    11. Chen, Chunxiang & Huang, Yuting & Qin, Songheng & Huang, Dengchang & Bu, Xiaoyan & Huang, Haozhong, 2020. "Slagging tendency estimation of aquatic microalgae and comparison with terrestrial biomass and waste," Energy, Elsevier, vol. 194(C).
    12. Ni, Liangmeng & Feng, Zixing & Gao, Qi & Hou, Yanmei & He, Yuyu & Ren, Hao & Su, Mengfu & Liu, Zhijia & Hu, Wanhe, 2022. "A novel mechanical kiln for bamboo molded charcoals manufacturing," Applied Energy, Elsevier, vol. 326(C).
    13. Li, Fenghai & Li, Yang & Fan, Hongli & Wang, Tao & Guo, Mingxi & Fang, Yitian, 2019. "Investigation on fusion characteristics of deposition from biomass vibrating grate furnace combustion and its modification," Energy, Elsevier, vol. 174(C), pages 724-734.
    14. Jianfei, Yang & Zixing, Feng & Liangmeng, Ni & Qi, Gao & Zhijia, Liu, 2020. "Combustion characteristics of bamboo lignin from kraft pulping: Influence of washing process," Renewable Energy, Elsevier, vol. 162(C), pages 525-534.

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