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The study of sulphur retention characteristics of biomass briquettes during combustion

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  • Han, Kuihua
  • Gao, Jie
  • Qi, Jianhui

Abstract

In the current world, the large consumption of fossil fuel leads to some global environmental problems, using biomass energy is one of the good solutions. However, due to the more strict emission policy, the sulphur releasing during biomass combustion cannot be ignored. In order to study the self-sulphur retention characteristics, the briquetting process of biomass is carried out. In this study, a batch of biomass briquettes combustion experiments are conducted to investigate self-sulphur retention characteristics. Five kinds of biomass powder, biomass briquettes, and briquettes with additive samples are used to carry out the combustion experiments, which are performed in a lab-scale tube furnace system. The influence of the briquetting process, reaction temperature, added coal and additives are studied comprehensively. The briquetting process gives remarkable enhancements on sulphur retention characteristics compare to the raw biomass powder, which is mainly due to the effect of the structural transformation. The enhancement are 35.00%, 76.68%, 36.15%, 27.34% and 31.36% compared to the original biomass samples. The reaction temperature behaves severely on the release of sulphur, that when the reaction temperature reaches 900∘C, the sulphur release ratio starts to sharply increase. Adding coal into the biomass samples can increase the sulphur retention ability and the caloric value. The effects of different additives on sulphur retention ratios are also studied, exhibiting opposite trends as temperature increased. The organic Ca-based additives show better performance to enhance the self-sulphur retention ability. What's more, the potassium-based additives have a higher improvement than the calcium-based ones. The mechanism on sulphur retention of biomass briquettes with or without additives is also discussed. This study develops insightful understand on biomass self-sulphur retention ability, and its behaviours under the effect of the briquetting process, reaction temperature, added coal or additives, which could use as a guild for biomass briquetting combustion.

Suggested Citation

  • Han, Kuihua & Gao, Jie & Qi, Jianhui, 2019. "The study of sulphur retention characteristics of biomass briquettes during combustion," Energy, Elsevier, vol. 186(C).
    • Handle: RePEc:eee:energy:v:186:y:2019:i:c:s0360544219314604
    DOI: 10.1016/j.energy.2019.07.118
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    Citations

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    Cited by:

    1. Bijendra Shrestha & Jetsada Posom & Panmanas Sirisomboon & Bim Prasad Shrestha, 2023. "Comprehensive Assessment of Biomass Properties for Energy Usage Using Near-Infrared Spectroscopy and Spectral Multi-Preprocessing Techniques," Energies, MDPI, vol. 16(14), pages 1-26, July.
    2. Jianhui Qi & Haopeng Li & Qian Wang & Kuihua Han, 2021. "Combustion Characteristics, Kinetics, SO 2 and NO Release of Low-Grade Biomass Materials and Briquettes," Energies, MDPI, vol. 14(9), pages 1-13, May.
    3. Wentao Li & Mingfeng Wang & Fanbin Meng & Yifei Zhang & Bo Zhang, 2022. "A Review on the Effects of Pretreatment and Process Parameters on Properties of Pellets," Energies, MDPI, vol. 15(19), pages 1-23, October.
    4. Zacharczuk, Wojciech & Andruszkiewicz, Artur & Tatarek, Andrzej & Alahmer, Ali & Alsaqoor, Sameh, 2021. "Effect of Ca-based additives on the capture of SO2 during combustion of pulverized lignite," Energy, Elsevier, vol. 231(C).
    5. Xinjie, Liao & Shihong, Zhang & Xincheng, Wang & Jinai, Shao & Xiong, Zhang & Xianhua, Wang & Haiping, Yang & Hanping, Chen, 2021. "Co-combustion of wheat straw and camphor wood with coal slime: Thermal behaviour, kinetics, and gaseous pollutant emission characteristics," Energy, Elsevier, vol. 234(C).
    6. Mariusz Jerzy Stolarski & Paweł Dudziec & Ewelina Olba-Zięty & Paweł Stachowicz & Michał Krzyżaniak, 2022. "Forest Dendromass as Energy Feedstock: Diversity of Properties and Composition Depending on Systematic Genus and Organ," Energies, MDPI, vol. 15(4), pages 1-60, February.
    7. Ziqiang Yang & Fenghai Li & Mingjie Ma & Xuefei Liu & Hongli Fan & Zhenzhu Li & Yong Wang & Yitian Fang, 2023. "Regulation Mechanism of Solid Waste on Ash Fusion Characteristics of Sorghum Straw under O 2 /CO 2 Atmosphere," Energies, MDPI, vol. 16(20), pages 1-17, October.
    8. Dudziec, Paweł & Stachowicz, Paweł & Stolarski, Mariusz J., 2023. "Diversity of properties of sawmill residues used as feedstock for energy generation," Renewable Energy, Elsevier, vol. 202(C), pages 822-833.

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