Blast furnace slag. Blast furnace slag (BFS) is a byproduct from iron production in blast furnaces, which are fed by a mixture of ironore, coke and limestone. In the process, the iron ore is reduced to iron while all remaining materials form the slag, which is tapped off as a molten liquid and cooled.
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Concrete specimens containing 0%, 5%, 10%, 20%, 30%, 40% replacement of cement by steel slag were prepared and used for the analysis performed in this study. Moreover, the tests were conducted ...
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The utilization rate of steel slag in Japan and Germany is more than 95%, and its main utilization direction is sintering, blast furnace reuse, agricultural fertilizer and civil engineering. At present, many Japanese steel mills treat steel slag with steam aging method, and the treated steel slag is used as upper subgrade material.
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Maha Slag Cement. ₹ 340/ Bag Get Latest Price. Type: PSC (Portland Slag Cement) Packaging Size: 50kg. Packaging Type: PP Sack Bag. Color: slight green shade. Usage/Application: high performance concrete used in high rise buildings, bridges. Compressive Strength: 60mpa.
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steel mill slag for the production of cement mixes for the foundation layers. (2) Artificial grit deriving from the recovery cycle of steel mill slag (CER ) for.
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The necessary grinding of the slag to the finenesses required for cement is now mostly performed in vertical mills (Fig. 7), which achieve throughputs of over 100 t/h [2]. ... Companies that use slag cement in the USA emphasize the CO 2 saving effect compared to conventional OPC (Ordinary Portland Cement). Japan. The use of iron and steel ...
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Our experimental research was focused on the development of concrete mixture designs with replacement of natural aggregates of fraction 0/32 mm by steel slag of fraction 0/8 mm and aircooled ...
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Steel slag Cementbased composites Basic oxygen furnace slag (BOFS) Electric arc furnace slag (EAFS) Recycled aggregates Supplementary cementitious material (SCM) 1. Introduction The construction industry is one of the greatest natural resources consumers [1], [2], [3].
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Slag, also known as steel aggregate, is the primary byproduct of steelmaking. The residue is comprised of minerals such as silica, alumina and titanium from ironsand, as well as other combinations of calcium and magnesium oxides derived from other raw materials. During smelting, slagging agents and fluxes are added to the blast furnace or ...
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The effective utilization of slag fertilizer in agriculture to neutralize soil acidity, improve crop productivity, mitigate greenhouse gas emissions, and stabilize heavy metals in contaminated soils turns it into a high value added product in sustainable agriculture. These effects could be due to the shift in microbial metabolism and/or modification of microbial habitats. At the system level ...
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Steel slag is an industrial waste byproduct generated during steel making process. Based on the raw materials and type of furnace used in steel production, SS can be classified as Basic Oxygen Furnace (BOF) slag, Electric Arc Furnace (EAF) slag and Ladle Furnace (LF) slag. The slag generated from BOF and EAF is quite similar.
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The compressive strength of concrete using steelmaking slag as fine aggregates is around to times of common concrete. Further, steelmaking slag concrete shows similar fire resistance to the river aggregate mixture up to 400 deg C, and much improved fire resistance at hightemperature ranges.
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It is evaluated that cement is the second largest industrial source of CO2 on earth. This demands a partial or full replacement of cement by an environment friendly material. In this research industrial waste slag from a local Steel Mill, namely Mangla Metals was selected as possible replacement of cement.
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The steelmaking industry's solid wastes generally consist of steel slag, dust, sludge, and mill scale. ... The potential use of steel slag in refractory concrete. Mater. Charact. 2011, 62, 716723. [Google Scholar ... Characteristics and Uses of Steel Slag in Building Construction; Elsevier Woodhead Publishing: Chennai, India, 2016; ...
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Steel mill scale is as an exportable material and is free from duties whereas Iron ore export draws 30% duty. During the past 3 years, steel mill scale exports in India have been increased by 71% to Million Ton. These steel mill scales are generally used in the cement manufacturing facilities as a source of iron.
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This paper discusses steel industry waste applications by replacement of coarse and fine aggregate in concrete at different percentages as 15, 30, 45, 50, 55, 60, and 65% and in some cases up to and also discusses its effect on the environment. Also, the mechanical, physical, and chemical properties of concrete with steel slag.
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During steel production, the impurities in the hot metal react with the fluxes forming the steel slag. Chemical constituents of this steel slag (SS) are relevant to iron/steelmaking or blended cement manufacture. Harmful impurities present in it, however, limit its recycling to these applications. Japan, Europe, and the US consume a significant amount of their SS, but more than 50% end up in ...
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CSIR said it realises Prime Minister Narendra Modi's vision of waste to wealth. Behind every 1 tonne of steel, 200kgs of steel slag is generated. In India, 19 million tonnes (MT) of steel slag are generated every year with a stockpile of 140MT of slag lying unused in the country. By 2030, India is slated to generate 60MT of steel slag every year.
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Contribute to changjiangsx/sbm development by creating an account on GitHub.
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% of solid waste generated from Steel Works is recycled or reused. 17% of the solid waste generated, amounting to approximately 6, 12,300 tonnes in 200809 was used to fill lowlying areas and for peripheral road construction around Jamshedpur. Tangshan Iron Steel, the flagship site of China's largest steelmaker, Hebei Iron Steel ...
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The wetgrinding specimens presented a higher hydration heat than that of raw steel slag specimens, and the microstructure of 3 μm40% (3 μm steel slag mixed with cement as a dosage of 40%) is much denser and show more hydration products than that of raw40% (raw steel slag mixed with cement as a dosage of 40%) which results in an enhanced ...
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Volume 283, 10 May 2021, 122783 Review Steel slag and its applications in cement and concrete technology: A review Gencel,, Osman Hulusi, Add to Mendeley https://// Get rights and content • Current applications of steel slag in concrete were presented. •
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Cement is replaced by slag from different steel mills, both blast furnace and ladle furnace slag. The percentages of slag substitution by cement are 30%, 40% and 50% by weight. Mechanical, physical and environmental properties have been evaluated. Compressive and flexural strength have been analysed as the main mechanical properties.
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