Performance analysis of coagulation hardening effect of geopolymer prepared from high calcium-based ladle furnace slag

Fang, Minghang; Yi, Yuanrong; Ma, Wenqing; Lin, Yuehe; Li, Jie; Liu, Wei

doi:10.1016/j.conbuildmat.2023.130963

Cited by 10 publications

(2 citation statements)

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“…5. The LF slag showed an improved hydration activity and 2.73 and 4.46 alkalinity and mass coefficients 150. Carbonation resulted in the appearance of calcite‐type CaCO 3 .…”

Section: Lf Slag Applicationsmentioning

confidence: 99%

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Ladle Furnace Slag: Synthesis, Properties, and Applications

Jacob

2023

ChemBioEng Reviews

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Ladle slag is a byproduct formed during the ladle refining stage of steel making. It is a dusty material that has been considered industrial waste. Technical advancements towards a sustainable industry led to the development of different applications for ladle slag. Depending on the processing methods during the steel slag production and the weathering of the slag post‐production, the elemental composition of the steel slag largely varies. Owing to this, its characteristics cannot be generalized and specific applications depending on the sources are developed. It is generally used in construction materials, soil rejuvenation, and CO2 capture. This paper reviews the production process, the mineralogical and morphological properties, stabilization techniques, and the applications of ladle furnace (LF) slag. One of the prime focuses of waste remediation and sustainable industry is to find meaningful ways to turn waste into products. In this respect, a comprehensive review of the properties of LF slag and its current application will help provide a framework for the development of future sustainability goals. With increased slag usage, the ladle refining process of steelmaking can be turned into a more carbon‐neutral process.

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“…5. The LF slag showed an improved hydration activity and 2.73 and 4.46 alkalinity and mass coefficients 150. Carbonation resulted in the appearance of calcite‐type CaCO 3 .…”

Section: Lf Slag Applicationsmentioning

confidence: 99%

“…In addition, Fang et al [150] used the carbonation method to overcome the volume stability problem in LF slag to make denser LF slag. Geopolymers made from the slag showed 22.6 MPa compressive strength after 28 days of curing in addition to superior chemical and high-temperature resistance.…”

Section: Lf Slag-based Geopolymersmentioning

confidence: 99%