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<p>The shift toward biomass fuels for heat and power generation has introduced a range of new challenges for power plant technology, in particular large-scale boilers. One major challenge is the corrosion of preheaters and flue gas cleaning equipment, commonly known as low-temperature corrosion. Observations over recent decades show that this form of corrosion aligns more closely with chlorine chemistry than with sulfur chemistry. This review provides an up-to-date survey of the existing literature, with a particular focus on hygroscopic chloride salts that deliquesce and cause corrosion on cold-end surfaces.</p>

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Low-temperature corrosion in large-scale biomass boilers

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年8月18日

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  • Farzad Jafarihonar,
  • Emil Vainio,
  • Leena Hupa,
  • Mikko Hupa

摘要

The shift toward biomass fuels for heat and power generation has introduced a range of new challenges for power plant technology, in particular large-scale boilers. One major challenge is the corrosion of preheaters and flue gas cleaning equipment, commonly known as low-temperature corrosion. Observations over recent decades show that this form of corrosion aligns more closely with chlorine chemistry than with sulfur chemistry. This review provides an up-to-date survey of the existing literature, with a particular focus on hygroscopic chloride salts that deliquesce and cause corrosion on cold-end surfaces.