Recycling ladle furnace (LF) slag helps in sustainable steel making and reduces steel production costs. This paper focuses on recycling Si/Mn/Al-killed LF slag as a replacement for CaO–Al 2 O 3 …
WhatsApp: +86 18221755073In view of the present problem of sulfur enrichment in the metallurgical recycling process of ladle furnace (LF) refining slag, a simple and efficient method of removing sulfur from this slag was proposed. The proposed method is compatible with current steelmaking processes. Sulfur removal from LF refining slag for SPHC steel …
WhatsApp: +86 18221755073This study investigates the potential use of ladle furnace (LF) slag, a waste product of the steel industry, as a non-conventional filler for rubber compounds.
WhatsApp: +86 18221755073This paper reviews the production process, the mineralogical and morphological properties, stabilization techniques, and the applications of ladle furnace …
WhatsApp: +86 18221755073This project therefore uses ladle furnace slag as a grading corrector and additive to improve mechanical qualities in the short and long term. The ladle furnace slag comes from the steel industry. It is a by-product of the process of obtaining quality steel from scrap steel—more specifically, from the refining stage.
WhatsApp: +86 18221755073This paper describes the incorporation of ladle furnace slag in reclaimed asphalt pavements (RAP) to execute in-place asphalt pavement recycling with bitumen emulsion. Various test groups of samples with increasing percentages of emulsion were created to study both the density of the mixtures obtained, and their dry and post …
WhatsApp: +86 18221755073Ferriere Nord, Italy, recently implemented a prototype plant that can replace part of the lime loaded into the furnace in order to form slag. This recycling method signifies substantial savings and avoids adding to environmental waste, without negatively affecting production or process performance. ... Recycling of ladle slag and spent ...
WhatsApp: +86 18221755073Ladle furnace (LF) slag plays an important role in modern steel making in terms of quality and productivity. The major challenge of using LF slag is its dusting problem. The polymorphic transformation of β-dicalcium silicate (monoclinic) to γ-dicalcium silicate (Orthorhombic) at about 450 °C is the leading cause of its disintegration. …
WhatsApp: +86 18221755073The chemical compositions of metakaolin and ladle furnace slag as examined by XRF are given in Table 2.It can be seen that the major constituents of metakaolin are SiO 2 and Al 2 O 3 in addition to some other minor impurity oxides. On the other side, ladle furnace slag waste constitutes mainly of CaO, SiO 2, MgO, and Al 2 O …
WhatsApp: +86 18221755073Recycling ladle furnace (LF) slag helps in sustainable steel making and reduces steel production costs. This paper focuses on recycling Si/Mn/Al-killed LF slag as a replacement for CaO-Al 2 O 3 ...
WhatsApp: +86 18221755073If the S in hot ladle furnace slag is removed, the treated slag can be reused at a ladle refining station; this approach reduces the consumption of mineral resources …
WhatsApp: +86 18221755073In order to make a complete characterization of ladle furnace slag (LF slag, LFS), as nonhazardous industrial waste, and to solve its permanent disposal and/or recovery, bearing in mind both the ...
WhatsApp: +86 18221755073Recycling ladle furnace (LF) slag helps in sustainable steel making and reduces steel production costs. This paper focuses on recycling Si/Mn/Al-killed LF slag as a replacement for CaO-Al 2 O 3 ...
WhatsApp: +86 18221755073This paper reviews the use of ladle fluxes, mineralogical compositions of diferent types of LF slag, various methods available to prevent disintegration of Ladle furnace slag, and …
WhatsApp: +86 18221755073The main purpose of the case study presented in this paper concerns the reduction of potential LF slag environmental impacts, because of its intrinsic …
WhatsApp: +86 18221755073Ladle slag recycling could produce environment problems in the plants that use fluorspar additions. HF emissions generated increased F concentrations in the plant water and exhaust gas. ... thereby reducing energy consumption. Blast furnace slag is obtained at 1300–1400°C; viscosity is around 0.4–1.0 poise; the chemical composition …
WhatsApp: +86 18221755073Ladle furnace slag (LFS) is a by-product of the steel industry and is difficult to be reused due to its weak cementitious property, low strength, and potential leaching of heavy metals.
WhatsApp: +86 18221755073Recycling ladle furnace (LF) slag helps in sustainable steel making and reduces steel production costs. This paper focuses on recycling Si/Mn/Al-killed LF slag as a replacement for CaO-Al 2 O 3 ...
WhatsApp: +86 18221755073Steel slag is one of the most common waste products from the steelmaking industry. Conventional methods of slag disposal can cause negative impacts on humans and the environment. In this paper, the process of steel and steel slag production, physical and chemical properties, and potential options of slag recycling were reviewed. Since steel …
WhatsApp: +86 18221755073Ladle furnace slag is a by-product of the steel industry, deriving from the second stage of the production process, which presents some cementitious properties, mainly due to its high CaO content. ... Conservation and Recycling 29 (2000) 195–207. Article Google Scholar Xu H., Lukey G.C., van Deventer J.S.J. "The Activation ...
WhatsApp: +86 18221755073Varanasi et al. [13] studied the recycling of LF slag as a flux in steel making. Dash et al. [11] reviewed the powdering problem in LF slag and methods for stabilization. To the …
WhatsApp: +86 18221755073Ladle Furnace Refining and Slag Generation. ... The EAF steelmaking process is essentially a steel scrap recycling process. Therefore, the chemical composition of EAF slag depends significantly on the properties of the recycled steel. Compared to BOF slags, the main chemical constituents of EAF slags can vary widely. ...
WhatsApp: +86 18221755073Recycling and reuse of materials have also become an area of increasing interest. This study investigates the potential use of ladle furnace (LF) slag, a waste product of the steel industry, as a non-conventional filler for rubber compounds. LF slag is produced during the refinement stage of the steelmaking process and is almost entirely ...
WhatsApp: +86 18221755073To develop a better understanding of the resource recycling of ladle furnace slag (LFS) in steel enterprises, electric field strengthening by direct current (DC) is tested as an effective method ...
WhatsApp: +86 18221755073carbon. This process produced the ladle furnace slag used in this project in a portion of 20–30 kg per final ton of steel. Although the proportion is lower than that obtained in the production of electric arc furnace slag, the landfill of ladle furnace slag produces serious environmental problems due to its
WhatsApp: +86 18221755073Ladle furnaces at Evraz Nizhnii Tagil Iron and Steel Works OJSC produce over 90,000 metric tons of slag per year. As this slag cools, it turns into a fine-grained powder; if the powder cannot be sold, it is temporarily stored until it can be disposed of [1]. We have considered producing easily used flux sinter from the slag generated during …
WhatsApp: +86 18221755073The construction industry is a potential area that may recycle ladle slag as a sustainable replacement to cement binder, thereby reducing the consumption of cement, conserving natural resources, and alleviating greenhouse gas emissions. ... The solution was used to activate a mix between ladle slag and arc furnace slag. Furthermore, Xu …
WhatsApp: +86 18221755073Fe-rich fayalite slag upcycling in blended alkali-activated materials (AAMs) was elucidated. • The incorporation of ladle slag (LS) or blast furnace slag (BFS) provided additional Ca and Al needed for higher reactivity. • The addition of LS or BFS improved the fresh and hardened properties of the AAMs at ambient temperature. •
WhatsApp: +86 18221755073Ladle 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 …
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