life cycle of steel slag

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Life cycle assessment to evaluate the environmental …

As follow-up of the above cited work of Salman, the present paper uses attributional life cycle assessment (LCA) to assess the environmental impacts of newly developed …

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Effect of Steel Slag on the Permanent Deformation and Life Cycle …

Rutting was not significantly different from the control section when steel slag was used in the base and/or subbase pavement structure. Rutting increased from 12.5 to 17.9 mm at the end of design life when slag was used in the WC layer. Further increase in rutting resulted when the steel slag was introduced in the BBC layer.

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Life cycle assessment to evaluate the …

Industrial wastes such as coal bottom ash, paper sludge ash, and biomass fly ash have also been studied. Recently, other types of slags, including copper slag, steel slag, and electric arc furnace ...

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Comparative life cycle assessment to maximize CO2 …

DOI: 10.1016/J.CONBUILDMAT.2021.123876 Corpus ID: 236291638; Comparative life cycle assessment to maximize CO2 sequestration of steel slag products @article{Li2021ComparativeLC, title={Comparative life cycle assessment to maximize CO2 sequestration of steel slag products}, author={Lufan Li and Yi Jiang and Shu-Yuan Pan …

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A Life Cycle Assessment of an Asphalt Mixture with Steel Slag …

In the context of sustainable road construction, this study conducts a Life Cycle Assessment (LCA) to evaluate the environmental impact of an innovative asphalt mixture incorporating Steel Slag Aggregate (SSA) and Reclaimed Asphalt (RA), with a specific focus on the production phase.

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Materials | Free Full-Text | Application of Steel Slag as an …

Overall, the introduced treatment methods can consume f-CaO during the total life cycle of steel slag. In the hot slag stage, hot steam aging equipment and molten slag converting equipment can be installed on the steel slag production line to treat the fresh steel slag according to its characteristics. For the steel slags stockpiling in slag ...

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Review of Life Cycle Assessments for Steel and …

Using the life cycle assessment (LCA) methodology, the impacts of the primary steel production via the blast furnace route and the scrap-based secondary steel …

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Performance and life-cycle assessment of high-volume fly …

The steel slag is used as a secondary cementitious binder or aggregates for road construction. The slag aggregate is an ideal replacement to natural aggregate to utilize in the base course and subbase course [13]. It can easily transfer heavy loads, its rough texture can avoid skidding of vehicles, and can prevent the water penetrating the ...

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Life Cycle Assessment of Internal Recycling Options of Steel Slag …

The internal recycling process of BOF slag which is one of the huge solid wastes from iron and steel industry was emphasized. Based on the four scenarios of different internal recycling strategies for BOF slag, life cycle assessment (LCA) as a valuable tool for industrial solid waste management was applied to analyze the …

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Life cycle assessment of upcycling waste slag via CO2 pre …

The final CO 2 sequestration capacity of steel slag is closely related to the reaction parameters (i.e., reaction duration, reaction temperature, CO 2 vol concentration, and liquid-solid ratios) of mineralization. The reaction parameters may have synergistic effects on the ability of steel slag to sequestrate CO 2. Therefore, the single-factor ...

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Influence of steel slag and steel fiber on the mechanical …

Influence of steel slag and steel fiber on the mechanical properties, durability, and life cycle assessment of ultra-high performance geopolymer concrete. Author links open overlay panel Zikai Xu a b, Jiupeng Zhang a b, Jiajun Zhang a, Qiquan Deng a, Zhijia Xue a, Guojing Huang a b, Xiaoming Huang c.

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Combining organizational and product life cycle perspective …

DOI: 10.1016/j.scitotenv.2023.161440 Corpus ID: 255567506; Combining organizational and product life cycle perspective to explore the environmental benefits of steel slag recovery practices.

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Effect of Steel Slag on the Permanent Deformation and Life Cycle …

This study investigates the effect of using steel slag in different layers of a flexible pavement structure on the permanent deformation performance and life cycle cost (LCC). Materials were obtained from a recent expressway pavement construction project. Physical and chemical properties of steel slag produced in Oman indicated that it can …

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Towards the co-benefits of carbon capture, utilization and

1. Introduction. China is the world's largest carbon emitter and steel producer. In 2022, China's CO 2 emissions reached 12.1 Gt, accounting for 33% of the global total (IEA, 2023).Additionally, China's crude steel production reached 1.018 billion tonnes, 53.9% of the global share (WSA, 2023a).The steel industry is one of the vital foundational …

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Life Cycle Assessment of Internal Recycling Options of Steel Slag …

The internal recycling process of BOF slag which is one of the huge solid wastes from iron and steel industry was emphasized. Based on the four scenarios of different internal recycling strategies ...

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Combining organizational and product life cycle perspective …

The environmental improvements of a plant generating steel slag are assessed. • Life Cycle Assessment is applied from an organizational and product …

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Life cycle assessment of concrete paving blocks using electric …

1. Introduction. Electric arc furnace slag (EAFS) is a by-product generated in the semi-integrated steelmaking process, which uses metal scrap as the basic raw material, and for that reason has been considered the most competitive and sustainable process for steel production, representing over 40% of the steel produced worldwide (Pellegrino et …

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Integrated policies to promote sustainable use of steel slag …

Introduction: Sand, steel slag and the application of life cycle assessment. Concrete – one of the primary materials in buildings and civil engineer structures – is the second most consumed product on earth, after water [1]. One of its compositions is fine aggregate, whereby sand is the dominant choice. ...

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Sustainable use of steel slag as coarse aggregate and its

The coarse steel slag aggregate (CSSA) can be reused as aggregate in cement concrete mixes. Hence, this experimental work considers an opportunity to investigate the effect of partial substitution of natural coarse aggregate (NCA) by CSSA for 20%, 40%, and 60% for the M40 grade concrete mix. ... Life cycle assessment of …

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Comparative life cycle assessment to maximize CO2 …

This paper compares the environmental impact of artificial steel slag aggregates and steel slag block via life cycle assessment. The global warming …

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Performance and life-cycle assessment of high-volume fly …

According to the life cycle inventory of the Portland Cement Association, ... The steel slag is used as a secondary cementitious binder or aggregates for road construction. The slag aggregate is an ideal replacement to natural aggregate to utilize in the base course and subbase course [13].

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Effect of steel slag on the mechanical properties and self …

In addition, the incorporation of steel slag is shown to reduce CO 2 emissions by approximately 40 kg/m 3, as determined through life cycle assessment software, while simultaneously enhancing flowability when compared to UHPC incorporating natural aggregate. Although the compressive and tensile strength of UHPC with steel …

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Cradle-to-gate life cycle assessment of precipitated calcium …

DOI: 10.1016/J.JCLEPRO.2014.05.064 Corpus ID: 153882411; Cradle-to-gate life cycle assessment of precipitated calcium carbonate production from steel converter slag @article{Mattila2014CradletogateLC, title={Cradle-to-gate life cycle assessment of precipitated calcium carbonate production from steel converter slag}, author={Hannu …

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Life Cycle Assessment of Internal Recycling Options of Steel Slag …

DOI: 10.1016/S1006-706X(11)60087-3 Corpus ID: 110618471; Life Cycle Assessment of Internal Recycling Options of Steel Slag in Chinese Iron and Steel Industry @article{Chen2011LifeCA, title={Life Cycle Assessment of Internal Recycling Options of Steel Slag in Chinese Iron and Steel Industry}, author={Bo Chen and Jian-xin Yang and …

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Cradle-to-gate life cycle assessment of precipitated calcium carbonate

If as efficient as possible processing of the solid steel slag material is desired, the ammonium chloride concentration in the calcium extraction stage should exceed the stoichiometric requirements defined by Eq. ... Life cycle impact assessment results per impact category for three different PCC production methods, and also …

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Combining organizational and product life cycle perspective …

Our research evaluates the environmental improvements of a plant generating and recovering the steel slag by using the Organizational Life Cycle Assessment methodology (O-LCA) and moving the attention from the product incorporating the steel slag, already investigated in the scientific literature, to the plant generating the steel slag ...

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Life Cycle Assessment of Internal Recycling Options of Steel …

Based on the four scenarios of different internal recycling strategies for BOF slag, life cycle assessment (LCA) as a valuable tool for industrial solid waste …

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Comparative life cycle assessment to maximize CO2 …

Steel slag can be treated as a potential material owing to the large percentage of alkaline silicate minerals contained. Herein, a comparative evaluation of environmental impacts of producing artificial cold-bonded steel slag aggregates and pure steel slag blocks was carried out using life cycle assessment method.

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Towards the Co-benefits of carbon capture, utilization and

@article{Li2024TowardsTC, title={Towards the Co-benefits of carbon capture, utilization and sequestration: A life cycle assessment study for steel slag disposal}, author={Zijie Li and Yi Xing and Mengying Ma and Wei Su and Yongkang Cui and Jinglei Tian and Fan Fei}, journal={Journal of Cleaner Production}, year={2024}, url={https://api ...

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A Life Cycle Assessment of an Asphalt Mixture with Steel …

The Life Cycle Assessment (LCA) conducted in this study provided a comprehensive evaluation of an innovative asphalt mixture that incorporates Steel Slag …

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Assessing the Life Cycle Environmental and Economic …

Industrial solid waste refers to all solid waste derived from industrial processes. Industrial solid waste, on the one hand, may lead to environmental risk and safety issue; on the other hand, contains valuable recyclable resources. Taking copper slag as a case study, the life cycle environmental and economic performance of recycling …

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Environmental benefit assessment of steel slag utilization …

This paper first illustrates the production processes, properties, and applications of steel slag, and then summarizes the key findings of the environmental benefits for steel slag utilization using life cycle assessment from the reviewed literature. This paper also identifies the limitations of quantifying the environmental benefits using …

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Interpretation and Prediction of the CO2 Sequestration of …

Multilayer perceptron (MLP), random forest, and support vector regression models were built to predict the slurry-phase CO 2 sequestration of steel slag. The MLP …

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Comprehensive analysis of the environmental impact of …

This paper analyses the environmental impact of replacing high-quality coarse aggregates by electric arc furnace (EAF) steel slag. A Life Cycle Assessment (LCA) was performed on three asphalt mixtures containing different aggregates: namely ophite, slag 1 and slag 2. The inventory gaps were filled by performing several …

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Life cycle assessment to evaluate the environmental …

The data from the production of the three construction blocks have been collected and used to perform a life cycle assessment (LCA) study, comparing SSS-block production with …

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Sustainability Potential Evaluation of Concrete with Steel Slag

Testing physical and mechanical properties of nontraditional concrete with steel slag as a substitute for natural aggregates of 4/8 mm and 8/16 mm fractions confirmed the possibility of using slag ...