Ladle Furnace Slags. Most LF slags contain CaO, MgO, SiO 2, and Al 2 O 3 as major constituents with minor quantities of FeO, MnO, P 2 O 5, and TiO 2.The chemical composition varies depending on operating parameters and killing process. Compositions of LF slags from various plants categorized based on alumina content are listed in Table …
resistance of slag, the current study is aimed to improve the compressive strength of concrete with reduced slag content by adopting novel mixing methodology. Notations GBS 2.5 2.5% weight of cement replacement by blast furnace slag GBS 5 5.0% weight of cement replacement by blast furnace slag GBS 10 10% weight of cement replacement …
However, the investigation into non-cement composites employing ferronickel slag powder (FSP) and blast furnace slag fine aggregate (BSA) remains limited. This study aims to …
Efficient use of steel slag in alkali-activated fly ash-steel slag-ground granulated blast furnace slag ternary blends. Author links open overlay panel Weilong Song a b, Zhiduo Zhu a b, Shaoyun Pu a b, Yu Wan a b, Wangwen Huo a b, Shigong Song c, Jun Zhang c, Kai Yao d, Lele Hu d. Show more. Add to Mendeley.
25231000 Portland cement, aluminous cement, slag cement, supersulphate cement and similar hydraulic cements, whether or not coloured or in the form of clinkers cement clinkers. 26011111---iron ore lumps (60% fe or more)---60% fe or more but below 62% fe. 26180000 Granulated slag (slag sand) from the manufacture of iron or steel
DOI: 10.1016/J.ENERGY.2019.115876 Corpus ID: 201238431; Heat recovery process modelling of semi-molten blast furnace slag in a moving bed using XDEM @article{Feng2019HeatRP, title={Heat recovery process modelling of semi-molten blast furnace slag in a moving bed using XDEM}, author={Yanhui Feng and Zhang Zhen and …
Basic oxygen furnace slag (BOFS) is a high-volume waste resulting from the production of steel from pig iron. Due to its high free lime content, BOFS is difficult to recycle and/or include into conventional cement systems. Alkali-activation technology offers a pathway to transform industrial wastes such as BOFS into low-carbon cements. …
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In blast furnaces (BF) ore gangue and non-metallic impurities are removed from the metal ore, thereby producing pig iron and slag as the final products. Pig iron …
This paper presents an experimental study of the influence of steel basic oxygen slag (BOS) and ordinary portland cement (OPC) on the compressive strength and the hydration mechanisms of blended grounded granulated blast furnace slag …
1.4.2. The basic oxygen furnace (BOF) The BOF process forms part of the primary steel production route, which also incorporates the BF process. In a BF, the iron ore, limestone and fuel are continuously supplied through the top section of the furnace, while heated air is forced into the lower section (Geerdes, Toxopeus, & Van der fliet, 2009).The end …
The slag phase changes to Ca-Si-Al-Mg system in Sample ⑤, where molten slag and iron starts to separate. In Sample ⑥, the slag and iron have basically separated and the slag system is still dominated by Ca-Si-Al-Mg system. Slag phase is mainly detected in the pores of coke in Sample ⑦, with less metallic iron retained.
E. Crossin, The greenhouse gas implications of using ground granulated blast furnace slag as a cement substitute, Journal of Cleaner Production, 95 (2015) 101â€"108. [29] D. M. Sadek, Effect of cooling technique of blast furnace slag on the thermal behavior of solid cement bricks, Journal of Cleaner Production, 79 (2014) 134â€"141 ...
Molten blast furnace slag, which is rapidly quenched from the furnace, air-cools slowly to form . Where this granulated slag is further processed or ground, the product is referred to as ground granulated blast furnace slag (GGBFS). Approximately 300kg of slag are produced for each tonne of iron. The furnace operates on a continuous daily basis ...
Blast furnace slag is a byproduct acquired in the production of pig iron in the blast furnace and is involving essentially of silicates and alumino-silicates of calcium and of other …
Geopolymers are novel binders from fly ash and ground granulated blast furnace slag. Data on self curing 'geopolymeric cement concretes' compressive strengths (20 to 75 MPa), stress-strain curves, bond strengths, corrosion, acid and sulphate resistances, thermal conductivity and expansion coefficients, electrical resistivity, ultrasonic pulse velocity, …
With the aim of utilizing blast furnace slag in the iron and steel industry at low cost, pollution free, refinement, and high value added, an entirely subversive technical route was presented, which was a novel synergistic utilization of slag to produce zeolite and hydrotalcite-like compounds. The object of this study is to obtain the optimal operating …
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Ladle furnace slag has been investigated for use as cementitious materials (Omar et al., 2021) and fillers (Jiang et al., 2018) and in applications such as soil remediation (O'Connor et al., 2021), sludge treatment, and CO 2 sequestration (Zhang et al., 2022), and the utilization prospects of this slag have been expanded. However, the …
Ladle furnace reducing slag is a common byproduct in steelmaking of carbon and low alloy steels. After air cooling and weathering over several days, this material is completely ground into fine white particles. Physical, chemical, and crystalline ...
The performance of blast furnace slag treated by wind quenching is significantly better than that of water quenching slag, and the heat recovery rate is high, …
With respect to the mechanical properties, durability and thermal behavior, ground-granulated blast-furnace slag (GGBS) delineates a rational way to develop …
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Introduction. China is the world's largest steel producer, with the China Iron and Steel Association estimating that the country's crude steel production in 2022 will be 935 million tonnes [Citation 1].Steel slag mainly refers to the blast furnace slag and converter slag produced in the process of iron making and steel making, and with the …
Ground granulated blast-furnace slag (GGBFS), sometimes simply referred to as "slag", is a glassy granular material formed when molten blast-furnace slag is rapidly chilled, as by …
Li et al. used CaCl 2 and NaCl to improve the compressive strength of carbide slag-activated ground blast furnace slag and found that the addition of CaCl 2 and …
The main challenge of the steel industry for the next decade is the steel production transformation process, starting in Europe. The CO 2 intensive blast furnace/basic oxygen furnace (BOF) route will be substituted by a combination of Direct Reduced Iron (DRI), based on natural gas, later on "green" hydrogen, with an Electric Arc Furnace (EAF) or …
Cement additives. Johannes Fink, in Petroleum Engineer's Guide to Oil Field Chemicals and Fluids (Third Edition), 2021. Furnace slag. A furnace slag cement slurry can have a density of 1500-1600 kg m −3.A combination of silica flour and furnace slag may be used to achieve service temperatures exceeding 200 °C [100].A gas may be suitable as a …
HSN Code HSN Description. 2618 Granulated slag (slag sand) from the manufacture of iron or steel. 9701 Paintings, drawings and pastels, executed entirely by hand, other than drawings of heading 4906 and other than hand-painted or hand-decorated manufactured articles; collages and similar decorative plaques
AB - Blast furnace slag is well known as by-product of hot metal production in integrated steel and iron mills. About 300 million tons of this slag is produced, based on a worldwide production of approximately 1.100 million tons of hot metal per year. State of the art systems cool down the liquid blast furnace slag rapidly by using lots of water.