Distribution, occurrence, and leachability of typical heavy metals in coal gasification slag

Zhang, Yifan; Qu, Jiangshan; Zhang, Jianbo; Li, Shaopeng; Wu, Wenfen; Li, Huiquan; Hou, Xinjuan; Chang, Ruiqi; Guo, Yanxia

doi:10.1016/j.scitotenv.2024.172011

Science of The Total Environment

2024

DOI: 10.1016/j.scitotenv.2024.172011

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Distribution, occurrence, and leachability of typical heavy metals in coal gasification slag

Yifan Zhang,

Jiangshan Qu,

Jianbo Zhang

et al.

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Enhancement, application, and challenges of chromium–corundum high‐temperature refractories

Zhang,

Yu,

Zhang

et al. 2024

Int J Applied Ceramic Tech

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Chromium–corundum, as a common refractory material, is broadly applied in high‐temperature kilns due to its superior thermal stability and high melting point. Unfortunately, this refractory is susceptible to corrosion and destruction under extreme furnace conditions by chemical erosion, mechanical wear, and thermal shock, which significantly shortens its useful life. Accordingly, in recent years, the issue of how to improve the slag corrosion resistance, mechanical, and sintering properties of chromium–corundum refractories has aroused widespread attention. In this work, the corrosion behavior and application status of chromium–corundum refractories in Ausmelt furnace, waste incinerator, coal water slurry gasifier, and HImelt melting reduction furnace are analyzed and discussed. To improve the service life of chromium–corundum refractories, the enhancement method and mechanism of sintering performance, mechanical properties, slag corrosion resistance, and thermal shock resistance are also summarized. Finally, some suggestions and prospects are made for the enhancement and longevity of chromium–corundum refractories.

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Enhancement, application, and challenges of chromium–corundum high‐temperature refractories

Zhang,

Yu,

Zhang

et al. 2024

Int J Applied Ceramic Tech

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Distribution, occurrence, and leachability of typical heavy metals in coal gasification slag

Cited by 1 publication

References 44 publications

Enhancement, application, and challenges of chromium–corundum high‐temperature refractories

Enhancement, application, and challenges of chromium–corundum high‐temperature refractories

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