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Stainless Steel Slag Fundamentals – From Furnace to Tundish
is the lack of slag chemistry and viscosity control. In many cases the slag tended to be too stiff احصل على السعر
Mechanism and property optimization of stainless steel slag for ...
2024/1/12 The effective utilization of stainless steel slag on a large scale has posed a احصل على السعر
Selective stabilization of chromium and sustainable treatment of ...
2024/10/1 Huo et al. [28] reported a treatment of industrial stainless steel slag with a احصل على السعر
Stainless steel slag fundamentals: From furnace to tundish
2002/4/1 The slag-metal reactions between Si-killed 316L stainless steel and the fluxes احصل على السعر
CHEMISTRY, MINERALOGY AND MORPHOLOGY OF STEEL
Portland cement, GGBS, steel slag and stainless steel slag as reported in different literatures. احصل على السعر
Carbonation of EAF Stainless Steel Slag and Its Effect
2021/12/2 EAF stainless steel slag (EAF slag) is one kind of chromium-bearing metallurgical solid waste, which belongs to alkaline steel slag, and contains a large number of alkaline mineral phases. The carbonation activity احصل على السعر
In-Line Co-Processing of Stainless Steel Pickling Sludge
2024/2/26 Stainless steel pickling sludge (SSPS) is classified as hazardous solid waste, while Argon Oxygen Decarburization (AOD) slag is challenging to utilize due to the leaching toxicity of Cr. This study introduces a احصل على السعر
Stainless steel slag fundamentals: from furnace to tundish
2013/11/29 Slag practices and conditions that are optimal for stainless steel quality and احصل على السعر
Stabilization of Stainless Steel Slag via Air Granulation
2019/2/8 In stainless steel production, slag from argon oxygen decarburization (AOD) converters is dumped on to the ground and then slowly cooled. The slag undergoes phase transformation from β-dicalcium silicate (β-C2S) to γ-dicalcium silicate (γ-C2S) at approximately 500 °C to 450 °C, resulting in slag volume expansion, disintegration, and dust generation. The احصل على السعر
Evaluation of copper slag and stainless steel slag as
2023/8/10 The current study investigates the incorporation of copper slag (CS) and stainless steel slag resulting from electric arc furnace operations (EAFSS) as partial replacements for ground granulated blast furnace slag (GGBFS) in producing alkali-activated materials (AAMs), at paste level. Five binary alkali-activated mixtures with different ...احصل على السعر
Fine Stainless Steel Slag Processed at TMS International
• Stainless steel slag provides various micronutrients for essential crop management. • Soluble silica in stainless steel slag provides benefi cial applications in specifi c crops. • The Turf Grass Industry has proven that stainless steel slag provides very effective benefi ts. • Stainless steel slag is licensed for Agriculturalاحصل على السعر
Health Risk Considerations for the Use of Unencapsulated Steel Slag
2023/11/17 The predominant way of making steel in the United Sates is by using an electric arc furnace (EAF) to melt scrap steel, which results in the formation of a rock-like material called slag. Among its various applications, EAF slag is used in a loose or unencapsulated form as ground cover material for residential landscaping. However, the slag generated from the احصل على السعر
CHEMISTRY, MINERALOGY AND MORPHOLOGY OF STEEL
Portland cement, GGBS, steel slag and stainless steel slag as reported in different literatures. Compare to the oxide composition of OPC and GGBS, steel and stainless steel slags generally contain less lime (CaO), silica (SiO 2) and alumina (Al 2O 3), but contain more quantities of ferric oxides (Fe 2O 3) that cannot beاحصل على السعر
Understanding the solidification of stainless steel slag and dust ...
2017/4/25 The solidification of a multicomponent stainless steel slag and dust composite has been studied by thermodynamic calculations using Factsage and analyses of samples using EPMA and Rietveld refinement of synchrotron X-ray powder diffraction after various cooling rates. At an apparent cooling rate of 1 K/min, the content of spinel (10.6 wt%) was ...احصل على السعر
Utilization of Stainless-Steel Slag by Cement Hardening
1993/9/1 4) M. Kamon, S. Nontananandh, T. Katsumi, Effective utilization of stainless-steel slag for soil stabilization Proc. of the 24th Japan National Conference on Soil Mechanics and Foundation Engineering, Tokyo (1989) 1947-1948 Kamon, M., Nontananandh, S. and Katsumi, T. (1989): “Effective utilization of stainless-steel slag for soil ...احصل على السعر
Carbon steel slag and stainless steel slag for removal of arsenic
2017/10/22 The modification of stainless steel slag by FeC13 can generate more pore structures and larger surface areas, and 300 °C treatment produces the best regeneration efficiency. The ΔG values were negative for all of the steel slags, indicating the spontaneous nature of the adsorption process. The solution pH was a critical parameter for the ...احصل على السعر
Mechanism and property optimization of stainless steel slag for ...
2024/1/12 The effective utilization of stainless steel slag on a large scale has posed a persistent challenge. To address this problem, this study used the orthogonal test method to investigate the optimisation of the ratio of stainless steel slag preparation cementitious materials while exploring the curing mechanism of metallurgical solid waste materials and its stability احصل على السعر
Slag - Wikipedia
Molten slag is carried outside and poured into a dump. The general term slag may be a by-product or co-product of smelting (pyrometallurgical) ores and recycled metals depending on the type of material being produced. [1] Slag is mainly a mixture of metal oxides and silicon dioxide.Broadly, it can be classified as ferrous (co-products of processing iron and steel), احصل على السعر
Life cycle assessment to evaluate the environmental performance
2018/2/27 Stainless steel slag (SSS), for instance, a residue produced during the stainless steel making process, has the potential to be used in alternative cement production. However, since chromium is an essential constituent of stainless steel, a fraction of it appears also in the SSS, together with other heavy metals, posing environmental and health ...احصل على السعر
Solidification of stainless steel slag by accelerated carbonation
2008/12/17 As molten stainless steel slag containing dicalcium silicate (C 2 S) cools it can undergo several phase transitions. The final transformation from the p‐polymorph to γ‐C 2 S is accompanied by a volume change that causes the slag to self‐pulverise or ‘dust’. As a consequence of this the fine grained portion of the slag contains more ...احصل على السعر
Stability of Chromium in Stainless Steel Slag during Cooling
2018/10/11 The chromium elution behavior of stainless steel (SS) slag depends highly on the chromium distribution, and the molten modification process proved to effectively improve the chromium enrichment in stable phases. However, the phase transformation and variation of chromium stability during the subsequent cooling process is still poorly understood. In this احصل على السعر
Potential of Stainless Steel Slag Waste in Manufacturing Self ... - MDPI
2020/3/24 The volume of slags generated from the steel industry is a source of possible resources which is constantly increasing. Specifically, in the production of stainless steel, specific and singular slags with unique characteristics are obtained, which allows considering an approach aimed at their use in new recycling ways. This work shows the feasibility of using stainless احصل على السعر
Life cycle assessment to evaluate the environmental performance
2018/2/27 Stainless steel slag (SSS), for instance, a residue produced during the stainless steel making process, has the potential to be used in alternative cement production. However, since chromium is an essential constituent of stainless steel, a fraction of it appears also in the SSS, together with other heavy metals, posing environmental and health ...احصل على السعر
Solidification of stainless steel slag by accelerated
2008/12/17 As molten stainless steel slag containing dicalcium silicate (C 2 S) cools it can undergo several phase transitions. The final transformation from the p‐polymorph to γ‐C 2 S is accompanied by a volume change that causes احصل على السعر
Stability of Chromium in Stainless Steel Slag during
2018/10/11 The chromium elution behavior of stainless steel (SS) slag depends highly on the chromium distribution, and the molten modification process proved to effectively improve the chromium enrichment in stable phases. احصل على السعر
Potential of Stainless Steel Slag Waste in Manufacturing Self ... - MDPI
2020/3/24 The volume of slags generated from the steel industry is a source of possible resources which is constantly increasing. Specifically, in the production of stainless steel, specific and singular slags with unique characteristics are obtained, which allows considering an approach aimed at their use in new recycling ways. This work shows the feasibility of using stainless احصل على السعر
Effect of stainless-steel slag concentration in the fabrication of
2022/8/15 Steel slag is an industrial residue rich in metallic oxides (calcium, iron, silicon oxides and quartz). Due to the presence of calcium (CaO) and its reaction with metakaolinite, slag can be used to produce anorthite (C a A l 2.S i 2 O 8) in ceramic membranes that can be applied in the pre-treatment of seawater which are the aim of this work. The membranes were احصل على السعر
Electric Arc Furnace Steelmaking and Slag Formation,
2023/11/17 An example of slag chemistries during stainless steel production from Holappa et al. (2021) is given in Table 2-3 where significant quantities of chromium oxide are found in the EAF slag; however, due to the high reactivity of chromium with FeO and the addition of slag reducing agents such as silicon and aluminum in the EAF, there are low ...احصل على السعر
Immobilization of Chromium in Stainless Steel Slag Using Low
2020/1/24 A new synergistic treatment of stainless steel slag and low zinc content electric arc furnace (EAF) dusts is proposed to immobilize harmful chromium in stainless steel slag. The effects of ZnFe2O4 addition on the mineralogic phase and chromium leachability of CaO-SiO2-MgO-Al2O3-Cr2O3 synthetic slag were investigated to explore the feasibility of this method. احصل على السعر
Steel Slag - an overview ScienceDirect Topics
Carbon dioxide sequestration using steel slag—modeling and experimental investigation. Smitha Gopinath, Anurag Mehra, in Carbon Dioxide Sequestration in Cementitious Construction Materials, 2018. 4.1 Introduction. Steel slag is an industrial waste that is generated during the production of steel. In the production of steel, oxides of metal impurities in the iron combine احصل على السعر
Effects of Carbonation–Hydration Curing on CO2 Uptake,
2023/12/28 AbstractThis study aimed to study the effects of different carbonation–hydration processes and carbonation degrees on the mechanical properties and leaching behavior of heavy metals in stainless steel (SS) slag paste. SS slag powders were carbonated at ...احصل على السعر
Research Status of Comprehensive Utilization of Stainless Steel Slag
A large amount of chromium-containing slag is produced in the production process of stainless steel, which has caused serious pollution problems and attracted wide attention. Under the dual pressure of the “Paris Agreement” and the environment-friendly transformation of the steel industry, research and development of a low-cost, large-scale, high-efficiency process for احصل على السعر
Effect of thermochemical high-temperature reconstruction on
2024/4/1 The low activity of stainless steel slag (SSS), primarily attributed to its high γ-C2S and low C3S content, impedes its effective utilisation. A thermochemical high-temperature reconstruction method using lime and bauxite as tempering agents to regulate the mineral phase was investigated in this work. Through an array of tests and analytical techniques, including احصل على السعر
An environmentally benign process for effective recovery and ...
2024/4/15 Stainless-steel slag, copper slag, and coal tar residue were desiccated in a drying oven, ground in a grinder, and then passed through a 75 μm sieve to obtain a pass rate of 80%. The stainless-steel slag, copper slag, and coal tar residue were mixed in different mass ratios, and then these mixtures were placed into a crucible and put into a ...احصل على السعر
Carbonation of Stainless Steel Slag as a Process for CO
2010/10/20 Stainless Steel Slag Characterization. The elemental composition of each type of analyzed slag is reported in Table 1.Results proved to be in good agreement with data reported for these specific types of residues in prior studies [6, 9, 41, 42].The elemental content of the EAF slag was overall similar to the average composition of the mixture for most elements (i.e.: Al, احصل على السعر
Effect of stainless steel slag waste as a replacement for cement in ...
2017/7/1 The use of stainless steel slag waste (Sw) in cement manufacturing involves analysing the presence of chromium VI because there this toxic element is limited according to the current Spanish legislation for the manufacture of cement. Chromium content was evaluated according to UNE-EN 196-10, and it was shown that it is not detrimental to the ...احصل على السعر
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