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Effect of Steel Slag Powder on the Hydration Characteristics of Lime–Sodium Sulfate Composite-Activated Cementitious System: Effect of Steel Slag Powder on the Hydration Characteristics of Lime–Sodium Sulfate Composite-Activated Cementitious System: Gu, Y. Wang, Q. Wang, Liu, and Xu

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Title: Effect of Steel Slag Powder on the Hydration Characteristics of Lime–Sodium Sulfate Composite-Activated Cementitious System: Effect of Steel Slag Powder on the Hydration Characteristics of Lime–Sodium Sulfate Composite-Activated Cementitious System: Gu, Y. Wang, Q. Wang, Liu, and Xu
Authors: Gu, Xiaowei1,2,3 (AUTHOR), Wang, Ying1,2,3 (AUTHOR) 2394553658@qq.com, Wang, Qing1,2,3 (AUTHOR), Liu, Jianping4 (AUTHOR), Xu, Xiaochuan1,2,3 (AUTHOR)
Source: JOM: The Journal of The Minerals, Metals & Materials Society (TMS). Apr2025, Vol. 77 Issue 4, p2207-2220. 14p.
Subjects: Ettringite, Industrial wastes, Energy consumption, Slag, Hazards
Abstract: Metals extraction and processing generate a substantial amount of industrial waste, posing significant environmental hazards. To reduce the accumulation of such waste, this paper incorporates steel slag (SS) into a lime (CH)–sodium sulfate (SN) composite-activated cementitious system. The mechanical properties, hydration products, and microstructure of the cementitious system with varying SS contents were characterized. The results indicate that the addition of SS not only enhances the mechanical properties of the cementitious system but also significantly reduces its cost and energy consumption. When the content of SS is lower than 30%, it does not reduce the generation of C-(A)-S-H and ettringite in the cementitious system, and can be used as a micro-filling to make the matrix dense, thus improving the mechanical properties of the cementitious system. However, as the SS content continues to increase, the formation of C-(A)-S-H and ettringite in the cementitious system decreases, leading to an increase in the number of harmful pores in the matrix and a subsequent reduction in the mechanical properties of the system. This study provides important insights into the sustainable development of metal extraction and processing. [ABSTRACT FROM AUTHOR]
Copyright of JOM: The Journal of The Minerals, Metals & Materials Society (TMS) is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Label: Title
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  Data: Effect of Steel Slag Powder on the Hydration Characteristics of Lime–Sodium Sulfate Composite-Activated Cementitious System: Effect of Steel Slag Powder on the Hydration Characteristics of Lime–Sodium Sulfate Composite-Activated Cementitious System: Gu, Y. Wang, Q. Wang, Liu, and Xu
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  Data: <searchLink fieldCode="DE" term="%22Ettringite%22">Ettringite</searchLink><br /><searchLink fieldCode="DE" term="%22Industrial+wastes%22">Industrial wastes</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+consumption%22">Energy consumption</searchLink><br /><searchLink fieldCode="DE" term="%22Slag%22">Slag</searchLink><br /><searchLink fieldCode="DE" term="%22Hazards%22">Hazards</searchLink>
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  Data: Metals extraction and processing generate a substantial amount of industrial waste, posing significant environmental hazards. To reduce the accumulation of such waste, this paper incorporates steel slag (SS) into a lime (CH)–sodium sulfate (SN) composite-activated cementitious system. The mechanical properties, hydration products, and microstructure of the cementitious system with varying SS contents were characterized. The results indicate that the addition of SS not only enhances the mechanical properties of the cementitious system but also significantly reduces its cost and energy consumption. When the content of SS is lower than 30%, it does not reduce the generation of C-(A)-S-H and ettringite in the cementitious system, and can be used as a micro-filling to make the matrix dense, thus improving the mechanical properties of the cementitious system. However, as the SS content continues to increase, the formation of C-(A)-S-H and ettringite in the cementitious system decreases, leading to an increase in the number of harmful pores in the matrix and a subsequent reduction in the mechanical properties of the system. This study provides important insights into the sustainable development of metal extraction and processing. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of JOM: The Journal of The Minerals, Metals & Materials Society (TMS) is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s11837-024-07088-y
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      – Code: eng
        Text: English
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        PageCount: 14
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      – SubjectFull: Ettringite
        Type: general
      – SubjectFull: Industrial wastes
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      – SubjectFull: Energy consumption
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      – SubjectFull: Slag
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      – SubjectFull: Hazards
        Type: general
    Titles:
      – TitleFull: Effect of Steel Slag Powder on the Hydration Characteristics of Lime–Sodium Sulfate Composite-Activated Cementitious System: Effect of Steel Slag Powder on the Hydration Characteristics of Lime–Sodium Sulfate Composite-Activated Cementitious System: Gu, Y. Wang, Q. Wang, Liu, and Xu
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            NameFull: Gu, Xiaowei
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            NameFull: Wang, Ying
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            NameFull: Wang, Qing
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            NameFull: Liu, Jianping
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              M: 04
              Text: Apr2025
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              Y: 2025
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