A review on the activation of high-titanium blast furnace slag powder and its application in concrete

ZHOU Xiaojun; LU Li; ZHOU Xianliang; YANG Yuanyi; AO Jinqing

doi:10.7513/j.issn.1004-7638.2025.01.013

Volume 46 Issue 1

Feb. 2025

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ZHOU Xiaojun, LU Li, ZHOU Xianliang, YANG Yuanyi, AO Jinqing. A review on the activation of high-titanium blast furnace slag powder and its application in concrete[J]. IRON STEEL VANADIUM TITANIUM, 2025, 46(1): 86-93, 106. doi: 10.7513/j.issn.1004-7638.2025.01.013

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ZHOU Xiaojun, LU Li, ZHOU Xianliang, YANG Yuanyi, AO Jinqing. A review on the activation of high-titanium blast furnace slag powder and its application in concrete[J]. IRON STEEL VANADIUM TITANIUM, 2025, 46(1): 86-93, 106. doi: 10.7513/j.issn.1004-7638.2025.01.013

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A review on the activation of high-titanium blast furnace slag powder and its application in concrete

doi: 10.7513/j.issn.1004-7638.2025.01.013

1.
School of Architecture and Civil Engineering, Xihua University, Chengdu 610039, Sichuan, China
2.
School of Civil Engineering and Geomatics, Southwest Petroleum University, Chengdu 610500, Sichuan, China
3.
School of Materials Science and Engineering, Xihua University, Chengdu 610039, Sichuan, China

Received Date: 2024-05-27
Publish Date: 2025-02-27

Abstract

Abstract

High-titanium blast furnace slag, as an ordinary industrial solid waste, is characterized by low activity and low utilization rate due to its high TiO₂ content and predominantly crystalline and stable mineral components, resulting in its accumulation. To better address the issues of low activity and utilization of high-titanium blast furnace slag, this review commences with an analysis of its powder properties and elaborates on four activation methods: mechanical activation, chemical activation, composite activation, and combined activation with other admixtures. The activation mechanisms of these four methods are also analyzed. Furthermore, the current research status and mechanisms of the influence of high-titanium blast furnace slag powder as an auxiliary admixture on the workability, mechanical properties, and durability of concrete are discussed. The environmental performance and economic benefits of high-titanium blast furnace slag powder are evaluated, and the shortcomings and future directions for enhancing its activity are pointed out. This study provides a reference for achieving better resource utilization of high-titanium blast furnace slag.
- high-titanium blast furnace slag,
- activity,
- mechanical activation,
- chemical activation,
- composite activation,
- auxiliary admixture,
- concrete performance

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References(43)

References

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