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recycling slag bof

  • The recycling effect of BOF slag in the portland cement

    01/12/2017· In this context, the goal of recycling BOF slag is to minimize the amount of waste sent to landfill, concerning the reduction of the occupied areas and the cost of maintaining these areas; the recovery of iron in the BOF slag and the reduction of natural resource extraction by substituting some raw materials in other industrial sectors, as shown in Table 1 (Zhang et al., 2011a, Belhadj et al

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  • Slag recycling recovery

    Of the 16.3 Mta of steelworks slag in Europe, 52.3 % are BOF slag, 34.9 % are EAF slag and 12.6 % are other types of steelworks slag. Of this amount, 11.8 Mta or 72.4 % was recovered, 15.3 % went to interim storage and 12.3 % to dumps and landfills. The recovery or recycling quantities are shown in Fig. 8. With 70.6 %, the greater proportion was used as aggregate in the production of concreteОнлайн-запрос

  • ITP Steel: Recycling and Reuse of Basic Oxygen Furnace

    However, the recycling of BOF/BOP slag still faces many technical, economical, and environmental challenges. Previous efforts have focused on in-plant recycling of the by-products, achieving limited success. As a result, large amounts of by-products of various qualities have been stockpiles at steel mills or disposed into landfills. Michigan Technological University (MTU) is developing anОнлайн-запрос

  • Treatments and Recycling of Metallurgical Slags | IntechOpen

    07/05/2018· Steelmaking slag added into ladle slags makes it possible to minimize slag line wear. BOF-converter slags are also applied in buildup, foaming, or slag splashing practices carried out to prolong the lifespan of refractory lining. Also, EAF slags are commonly used to avoid refractory wear and decrease energy consumption. It is known that cement concrete is one of the most common building

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  • (PDF) BOF Slag: Turning Waste Into Value

    The presence of high levels of phosphorus (1-3 wt.% P2O5) in the BOF slag prevents its unlimited internal recycling (within steel plant) since it increases the phosphorus load in hot metal/steelОнлайн-запрос

  • Recycling & Reuse of BOF BOP SM Slags (Program

    Recycling & Reuse of BOF BOP SM Slags. Full Record; Other Related Research; Abstract. New Technologies and Methodologies May Allow Value-Added Utilization of Steelmaking Slag Thus Reducing Waste and Use of Landfills, and Saving Energy. Publication Date: Tue Jan 01 00:00:00 EST 2002 Research Org.: EERE Publication and Product Library Sponsoring Org.: USDOE Office of EnergyОнлайн-запрос

  • (PDF) RECYCLING OF STEELMAKING SLAG | PANKAJ

    While the usage of blast furnace slag is well established in the area of cement making, recycling of steelmaking slag is still a challenging task. About 150-180 kg steelmaking slag is generated per ton of steel depending upon the quality of hotОнлайн-запрос

  • Advances in slag recycling and reuse UKEssays

    In the past, slag was taken from the blast furnace, basic oxygen furnace (BOF), and electric arc furnace (EAF) and hauled off to a hazardous dump site where millions of tons have accumulated. The major waste by product from steel production is slag at 79.15% as shown in 1. Steps have been taken all over the world to generate new ways of recycling or to reuse slag material. Advances have madeОнлайн-запрос

  • Utilization of Basic Oxygen Furnace (BOF) slag in the

    01/05/2006· Basic Oxygen Furnace (BOF) slag is a major waste product generated during the steelmaking process. In India and in most industrial countries, the use of BOF slag as a road ballast and land filler has had a very long history. This being a low end use, a study was conducted to examine the possibility of converting the slag into a hydraulic binder. This paper describes the effect of cooling rate

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  • Recycling and environmental issues of metallurgical slags

    BOF slag, and the SMP slag is relatively less significant in terms of utilization due to the lower generated amount. Roughly BOF slag, EAF slag and SMP slag can be defined as steel slags. Reviewing the past, utilization of ironmaking slag has a long history. The broken slag from ironmaking was already REUTER, M., XIAO, Y., and BOIN, U. Recycling and environmental issues of metallurgical slags

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  • Recycling of basic oxygen furnace slag as a raw material

    The purpose of this study was to recycle basic oxygen furnace (BOF) slag in the production of autoclaved aerated concrete (AAC), and to examine the influence on the properties of AAC products. The magnetic substances in the BOF slag accounted for about 15 wt.% and the magnetic proportion increased as the particle size decreased. The nonmagnetic portion of the BOF slag was acquired by aОнлайн-запрос

  • (PDF) RECYCLING OF STEELMAKING SLAG | PANKAJ

    While the usage of blast furnace slag is well established in the area of cement making, recycling of steelmaking slag is still a challenging task. About 150-180 kg steelmaking slag is generated per ton of steel depending upon the quality of hotОнлайн-запрос

  • Recycling of BOF steelmaking slag | Industrial Efficiency

    Recycling of BOF steelmaking slag. Michigan Technological University is developing an integrated system of technologies to recover the iron value from BOF steelmaking slag. It will also divert the residual non-iron bearing fraction into a feedstock for the manufacture of acid mine drainage (AMD) neutralizing agent. In this project, technologies are being developed to separate iron from the BOFОнлайн-запрос

  • Advances in slag recycling and reuse UKEssays

    In the past, slag was taken from the blast furnace, basic oxygen furnace (BOF), and electric arc furnace (EAF) and hauled off to a hazardous dump site where millions of tons have accumulated. The major waste by product from steel production is slag at 79.15% as shown in 1. Steps have been taken all over the world to generate new ways of recycling or to reuse slag material. Advances have madeОнлайн-запрос

  • Recycling and environmental issues of metallurgical slags

    BOF slag, and the SMP slag is relatively less significant in terms of utilization due to the lower generated amount. Roughly BOF slag, EAF slag and SMP slag can be defined as steel slags. Reviewing the past, utilization of ironmaking slag has a long history. The broken slag from ironmaking was already REUTER, M., XIAO, Y., and BOIN, U. Recycling and environmental issues of metallurgical slagsОнлайн-запрос

  • recycling slag bof ocmd

    The Effect of BOF Slag and BF Flue Dust on Coal LKAB . coke particles. However, the chemical compositions are quite similar for the two fractions used in the combustion tests. Fe in the BOF slag is present as Fe . Steel slag recycling Harsco M . Recycle EAF slag, ladle slag, converter slag, or stainless slag. Metal recovery andОнлайн-запрос

  • Recycling Slag Bof cipref-bourgogne.fr

    Increase Recycling of Slag: Due to the recent increase in demand for steel over the past decade, a lower percentage of BOF slag has been recycled. Therefore, the steel industry must get back into its old habit of recycling BOF slag, especially since great amounts of steel are being produced now more than ever. Slag is basically the scraps left over after the steel making process.Онлайн-запрос

  • Recycling Ladle Furnace Slag as Flux in Steelmaking: A Review

    Recycling Ladle Fnace Slag a Fl in Steelmaking: A Reiew Suguna Soumya Varanasi1 · Venu Madhava Rao More 1 · M. Bhaskar Venkata Rao2 · Sankar Reddy Alli3 · Anil Kumar Tangudu3 · Dey Santanu3 Received: 7 March 2019 / Revised: 5 August 2019 / Accepted: 12 August 2019 / Published online: 16 September 2019Онлайн-запрос

  • RECYCLING OF STEELMAKING DUSTS – THE RADUST CONCEPT

    RECYCLING OF STEELMAKING DUSTS – THE RADUST CONCEPT H high iron slag production, the Radust technology # Corresponding author :[email protected] 1. H. Jalkanen et al. 2 J. Min. Met. 41 B (2005) 1. Introduction Steel production dusts and sludges from blast furnace (BF), oxygen converter (BOF) and electric arc furnaces (EAF) have high contents of iron oxides. Due to heavy metalsОнлайн-запрос

  • Waste recycling ISD Dunaferr

    Utilization in the slag recultivation in the slag dump. In accordance with the permit issued by the Environment and Nature Department of the Fejér County Government Office under no. FE-08/KTF/6962-10/2019, the following inert wastes with waste identification (HAK) codes can be disposed of in the slag dump in the amount of 120 000 tons per yearОнлайн-запрос

  • Recycling of BOF steelmaking slag | Industrial Efficiency

    Recycling of BOF steelmaking slag. Michigan Technological University is developing an integrated system of technologies to recover the iron value from BOF steelmaking slag. It will also divert the residual non-iron bearing fraction into a feedstock for the manufacture of acid mine drainage (AMD) neutralizing agent. In this project, technologies are being developed to separate iron from the BOFОнлайн-запрос

  • Recycling of basic oxygen furnace slag as a raw material

    The purpose of this study was to recycle basic oxygen furnace (BOF) slag in the production of autoclaved aerated concrete (AAC), and to examine the influence on the properties of AAC products. The magnetic substances in the BOF slag accounted for about 15 wt.% and the magnetic proportion increased as the particle size decreased. The nonmagnetic portion of the BOF slag was acquired by aОнлайн-запрос

  • Reduction of steel‐making slags for recovery of valuable

    15/01/2003· Different steel‐making slags and residues including BOF slag with low and high V‐content as well as EAF and AOD slags from stainless steel production, EAF dust, oily millscale, hydroxide sludge, BOF and BF dust have been treated. The slag products include a metallurgical powder for desulfurization of steel, hydraulic binder and slag stones for construction applications. The metals obtainedОнлайн-запрос

  • (PDF) RECYCLING OF STEELMAKING SLAG | PANKAJ

    While the usage of blast furnace slag is well established in the area of cement making, recycling of steelmaking slag is still a challenging task. About 150-180 kg steelmaking slag is generated per ton of steel depending upon the quality of hotОнлайн-запрос

  • Recycling Ladle Furnace Slag as Flux in Steelmaking: A Review

    Recycling Ladle Fnace Slag a Fl in Steelmaking: A Reiew Suguna Soumya Varanasi1 · Venu Madhava Rao More 1 · M. Bhaskar Venkata Rao2 · Sankar Reddy Alli3 · Anil Kumar Tangudu3 · Dey Santanu3 Received: 7 March 2019 / Revised: 5 August 2019 / Accepted: 12 August 2019 / Published online: 16 September 2019Онлайн-запрос

  • Advances in slag recycling and reuse UKEssays

    In the past, slag was taken from the blast furnace, basic oxygen furnace (BOF), and electric arc furnace (EAF) and hauled off to a hazardous dump site where millions of tons have accumulated. The major waste by product from steel production is slag at 79.15% as shown in 1. Steps have been taken all over the world to generate new ways of recycling or to reuse slag material. Advances have madeОнлайн-запрос

  • Influence of Ladle-slag Additions on BOF-Process Parameters

    Furthermore, the recycling of ladle slag to the BOF will induce a three time utilisation of the lime added in secondary steelmaking. First during ladle refining, secondly as recycled slag to the BOF and thirdly as BOF slag recycled to the BF. Chapter 1 2 1.01 Basic Oxygen Steelmaking Basic Oxygen Steelmaking (BOS) is the general name for the procedure of using high purity oxygen to convert theОнлайн-запрос

  • Recycling Ladle Furnace Slag as Flux in Steelmaking: A

    16/09/2019· The use of synthetic fluxes in secondary steelmaking not only improves the properties of top slag and steel quality but also increases the production cost. Ladle furnace (LF) slag can be used as a replacement to synthetic fluxes owing to its chemical and mineralogical compositions. Valorization of LF slag helps in sustainable steelmaking and also reduces steel production cost.Онлайн-запрос

  • Cutting-Edge By-Product Recycling for Iron- & Steelmaking

    Our solution for recycling of the by-products uses a cold briquetting process, with proven equipment and application of a suitable binder selected for each application, to ensure highest possible product quality of briquettes that can be charged into a DRI plant, blast furnace, Corex or LD (BOF) converter. Dry slag granulation with heat recoveryОнлайн-запрос

  • Industrial uses of slag—The use and re-use of iron and

    Keywords: slag, environment, iron, steel, recycling, blast furnace, steelmaking, ladle metallurgy, slag splashing, construction. 58 MOLTEN SLAGS FLUXES AND SALTS liquid phase immiscible with the liquid metal product and separated as liquid slag. In the early days of blast furnace operations, some knowledge of the raw materials composition was taken into account in the design of the flux charge