Application of steel slags, ferronickel slags, and copper mining waste as construction materials: A review

Kurniati, Eka Oktavia; Pederson, Federico; Kim, Hee-Jeong

doi:10.1016/j.resconrec.2023.107175

Cited by 43 publications

(7 citation statements)

References 118 publications

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“…Romania has produced about 20.295 million tons of nickel slag since 2000-2010 [1][2][3][4]. Copper-nickel smelting slag has certain Pozzolanic activity, which has been used to prepare mine-filling cementitious material to solve the stability of current mining filling material and high processing cost [5][6][7]. Materials such as fly ash, dolomite, and smelting slag have been used to replace cement to prepare composite cementitious materials [8][9][10][11].Moreover heavy metal elements in copper-nickel slag on the environmental impact of attracted the attention of scholars.…”

Section: Introductionmentioning

confidence: 99%

Study on the Effect of Palygorskite on the Properties of Copper-Nickel Smelting Slag-Based Cementitious Materials

Zhu,

Wang,

et al. 2024

Preprint

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In order to study the feasibility of copper-nickel smelting slag（CNSS） and palygorskite for large-scale consumption and utilization in the field of mine filling, gellable composite materials were prepared from copper-nickel smelting slag ,cement and palygorskite. The effects of palygorskite addition and curing time on the mechanical properties and microstructure of copper-nickel smelting slag-based cementitious materials were studied in detail. The results showed that the addition of palygorskite had a positive effect on the curing of the cemented filler of the non-ferrous smelting slag by promoting the early hydration reaction. palygorskite also affected the mechanical properties of the cementitious materials with different maintenance times and the ability to cure heavy metals. The strength of gellable composite materials reaches 23.05MPa when 1% palygorskite, 50% of copper-nickel smelting slag and 48% cement were used, which meet the standards requirements of filling materials for mine goaf. The addition of 1% palygorskite can improve the ability of cementitious materials to solidify heavy metals to realize the economic utilization of solid waste in mining areas.

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Section: Introductionmentioning

confidence: 99%

Study on the Effect of Palygorskite on the Properties of Copper-Nickel Smelting Slag-Based Cementitious Materials

Zhu,

Wang,

et al. 2024

Preprint

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“…Steel slag, a nonmetallic by-product generated during the steelmaking process, accounts for approximately 15-20% of crude steel production [1][2][3]. Globally, steel slag production is estimated to be around 190-280 million tons per year, with China contributing approximately 50% of the total and its production continuing to rise [4][5][6]. With proper utilization, steel slag can not only contribute to resource conservation but also reduce environmental pollution.…”

Section: Introductionmentioning

confidence: 99%

“…The utilization of steel slag in Japan, Europe, the United States, and China is shown in Figure 1. Steel slag can be disposed of in road engineering, cement production, internal recycling, civil engineering, and agriculture in Japan, Europe, the United States, and China [2][3][4][5][6]. It is noteworthy that 30-50% of steel slag is used for road construction in other countries, while more than 70% of steel slag is for final disposal.…”

Section: Introductionmentioning

confidence: 99%

Feasibility of Preparing Steel Slag–Ground Granulated Blast Furnace Slag Cementitious Materials: Synergistic Hydration, Fresh, and Hardened Properties

Sun,

Hou,

Guo

et al. 2024

Buildings

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Steel slag and GBFS are wastes generated during the steel and iron smelting process, characterized by their considerable production rates and extensive storage capacities. After grinding, they are often used as supplementary cementitious materials. However, the intrinsic slow hydration kinetics of steel slag–GBFS cementitious material (SGM) when exposed to a pure water environment result in prolonged setting times and diminished early-age strength development. The incorporation of modifiers such as gypsum, clinker, or alkaline activators can effectively improve the various properties of SGM. This comprehensive review delves into existing research on the utilization of SGM, examining their hydration mechanisms, workability, setting time, mechanical strengths, durability, and shrinkage. Critical parameters including the performance of base materials (water-to-cement ratio, fineness, and composition) and modifiers (type, alkali content, and dosage) are scrutinized to understand their effects on the final properties of the cementitious materials. The improvement mechanisms of various modifiers on properties are discussed. This promotes resource utilization of industrial solid wastes and provides theoretical support for the engineering application of SGM.

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“…All these phases can react with CO 2 , and the reaction between CO 2 and f-CaO (or f-MgO) to form CaCO 3 (or MgCO 3 ) during the pretreatment, reducing the instability risk at long-term service in the practical application [15,16]. Furthermore, it can reduce the emission of CO 2 in the atmosphere and protect the ecological environment, showing a great advantage of CO 2 capture [17,18]. As reviewed in 2022, the global carbon dioxide (CO 2 ) emissions increased by 0.9% or 321 million tons compared with that of 2021 (Figure 1), and the CO 2 concentration is supposed to be 1000 ppm by 2090 [19,20].…”

Section: Introductionmentioning

confidence: 99%

A Review on the Carbonation of Steel Slag: Properties, Mechanism, and Application

Wang,

Liu

et al. 2024

Materials

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Steel slag is a by-product of the steel industry and usually contains a high amount of f-CaO and f-MgO, which will result in serious soundness problems once used as a binding material and/or aggregates. To relieve this negative effect, carbonation treatment was believed to be one of the available and reliable methods. By carbonation treatment of steel slag, the phases of f-CaO and f-MgO can be effectively transformed into CaCO3 and MgCO3, respectively. This will not only reduce the expansive risk of steel slag to improve the utilization of steel slag further but also capture and store CO2 due to the mineralization process to reduce carbon emissions. In this study, based on the physical and chemical properties of steel slag, the carbonation mechanism, factors affecting the carbonation process, and the application of carbonated steel slag were reviewed. Eventually, the research challenge was also discussed.

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Application of steel slags, ferronickel slags, and copper mining waste as construction materials: A review

Cited by 43 publications

References 118 publications

Study on the Effect of Palygorskite on the Properties of Copper-Nickel Smelting Slag-Based Cementitious Materials

Study on the Effect of Palygorskite on the Properties of Copper-Nickel Smelting Slag-Based Cementitious Materials

Feasibility of Preparing Steel Slag–Ground Granulated Blast Furnace Slag Cementitious Materials: Synergistic Hydration, Fresh, and Hardened Properties

A Review on the Carbonation of Steel Slag: Properties, Mechanism, and Application

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