recycling of lf slag in eaf
Recycling of ladle slag in the EAF: improvement of the ...
A new technique is presented to recycle ladle slag within the electric arc furnace through the injection system. The dilution of the chemical species contained in the slag and their combination with the species featuring the EAF slag afford a double advantage: the final slag is structured by chemical species that do not lead to the formation of powders and better stabilize the foaming
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(PDF) Recycling of ladle slag in the EAF: A way to improve ...
2021-12-16 · Recycling of ladle slag in the EAF: A way to improve environmental conditions and reduce variable costs in steel plants February 2007 Iron and Steel Technology 4(2):68-76
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RECYCLING OF LF-WHITE SLAG - fracturae
recycling evaluated in the present study mainly consists in the reuse of the ladle slag and refractory, injecting them into the Electric Arc Furnace. The recycling of ladle slag can permit to achieve interesting advantageous results: decreasing the amount of dumped material, the cost of EAF fluxes and improve the slag foaminess.
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EAF slag recycling
EAF Slag is produced in an Electric Arc Furnace. The visual appearance of the slag is a dark greyish colour. With respect to other slags (blast furnace slag), it can
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Recycling of Malaysia's electric arc furnace (EAF) slag ...
Therefore, in this project, an attempt was made to recycle electric arc furnace (EAF) slag waste, obtained from Malaysia's steel making industry, into ceramic tile via conventional powder compaction method. The research work was divided into two stages. The first stage was to evaluate the suitability of EAF slag in ceramic tile by varying ...
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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.
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Recycling of steel slag aggregate in portland cement ...
2021-2-1 · According to the three different furnaces in the steelmaking process, steel slag can be categorized into basic oxygen furnace (BOF) slag, electric arc furnace (EAF) slag, and ladle furnace (LF) slag (Yildirim and Prezzi, 2011).Fig. 1 shows different steel making processes and the production of steel slags. As BOF and EAF have similar raw materials, such as iron, steel
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Recycling of Malaysia’s electric arc furnace (EAF) slag ...
2014-12-1 · Overall, the EAF slag-enhanced ceramic tile have great potential in the manufacture of high flexural strength or heavy-duty green floor tile as it is environmental friendly and safe for human health. 4. Conclusion. In this paper, scientific approach for recycling EAF slag into heavy-duty and environmental friendly ceramic tile is presented.
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Recycling of ladle furnace slags - Research Online
2020-10-13 · The synthetic slag employed was a coarse blend of 40% recycled LF slag, 40% high calcium lime and 20% dolomite lime. The raw LF slag had transported to a plant where the raw LF slag was separated. The non-magnetic fraction of 8-80 mm size, was further screened to 10-40 mm size. Results had shown that the addition of ~200 kg/heat of LF slag does not
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Recycling Ladle Furnace Slag as Flux in Steelmaking: A ...
2019-9-16 · LF slag recycling was tested at JSW Steel, Vijayanagar Works, India by means of Al-killed ladle furnace slag as a replacement to synthetic slag. The recycling process was carried out in two steps. Even though the composition of LF slag is similar to calcium-aluminate-based synthetic slags, composition of dump slag varied due to the addition of ...
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Recycling of ladle slag in the EAF: improvement of the ...
2007-4-18 · Recycling of ladle slag in the EAF: improvement of the foaming behavior and decrease of the environmental impact - Volume 104 Issue 4
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[PDF] Recycling of steelmaking slag from electric arc ...
SUMMARY The paper presents results of research of demetallized EAF slag recycling into charge of electric arc furnace. Effects of recycling on steelmaking process parameters, on composition of steel and slag are discussed. Economic and environmental
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RECYCLING OF LF-WHITE SLAG - fracturae
recycling evaluated in the present study mainly consists in the reuse of the ladle slag and refractory, injecting them into the Electric Arc Furnace. The recycling of ladle slag can permit to achieve interesting advantageous results: decreasing the amount of dumped material, the cost of EAF fluxes and improve the slag foaminess.
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RECYCLING OF LF-WHITE SLAG | La Metallurgia Italiana
2007-10-2 · The type of recycling evaluated in the present study mainly consists in the reuse of the ladle slag and refractory, injecting them into the Electric Arc Furnace. The recycling of ladle slag can permit to achieve interesting advantageous results: decreasing the amount of dumped material, the cost of EAF fluxes and improve the slag foaminess.
Read More
Recycling of Malaysia's electric arc furnace (EAF) slag ...
Therefore, in this project, an attempt was made to recycle electric arc furnace (EAF) slag waste, obtained from Malaysia's steel making industry, into ceramic tile via conventional powder compaction method. The research work was divided into two stages. The first stage was to evaluate the suitability of EAF slag in ceramic tile by varying ...
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Dissemination of results of the European projects
2021-7-19 · Recycling of LF slag to replace lime in EAF 7210-PR/203 Liquid LF slag was recycled in an EAF (pilot scale) • LF was able to replace lime, without increase in sulphur or negatively impacting the resulting composition of EAF slag • At one steelwork, 80% of LF was recycled and the practice was
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Recycling of Malaysia’s electric arc furnace (EAF) slag ...
2014-12-1 · Overall, the EAF slag-enhanced ceramic tile have great potential in the manufacture of high flexural strength or heavy-duty green floor tile as it is environmental friendly and safe for human health. 4. Conclusion. In this paper, scientific approach for recycling EAF slag into heavy-duty and environmental friendly ceramic tile is presented.
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Recycling Waste Plastics in EAF Steelmaking: Carbon/Slag ...
2010-4-23 · With an aim to recycle waste plastics in EAF steelmaking, carbon/slag interactions for a number of blends made of metallurgical coke and HDPE (high density polyethylene) and an EAF slag (34.8 mass‐% Fe 2 O 3) have been investigated at 1550°C using a sessile drop arrangement. The rate of gas generation showed an increase with increasing HDPE ...
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Treatments and Recycling of Metallurgical Slags |
2018-5-7 · Slag recycling in the steel job constitutes a relevant way of reusing with important economic impact on refractory costs. The coating and foaming practices are very useful in BOF converters and EAF. The ladle slag recycling also represents an important alternative to reduce steelmaking cost, decreasing the consumption of fluorspar and lime ...
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Recycling Waste Polymers in EAF Steelmaking: Influence
Recycling Waste Polymers in EAF Steelmaking: Influence of Polymer Composition on Carbon/Slag Interactions Somyote KONGKARAT,1) Rita KHANNA,1) ... study was the EAF slag, which was provided by Onesteel, Sydney, Australia. The chemical composition of the slag is shown in Table 4. 2.2. Carbon/Slag Interactions
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Recycling of ladle slag in the EAF: improvement of the ...
2007-4-18 · Recycling of ladle slag in the EAF: improvement of the foaming behavior and decrease of the environmental impact - Volume 104 Issue 4
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RECYCLING OF LF-WHITE SLAG | La Metallurgia Italiana
2007-10-2 · The type of recycling evaluated in the present study mainly consists in the reuse of the ladle slag and refractory, injecting them into the Electric Arc Furnace. The recycling of ladle slag can permit to achieve interesting advantageous results: decreasing the amount of dumped material, the cost of EAF fluxes and improve the slag foaminess.
Read More
[PDF] Recycling of steelmaking slag from electric arc ...
SUMMARY The paper presents results of research of demetallized EAF slag recycling into charge of electric arc furnace. Effects of recycling on steelmaking process parameters, on composition of steel and slag are discussed. Economic and environmental
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RECYCLING OF STEELMAKING SLAG FROM ELECTRIC
that followed from early slag formation in the process. Recycling of slag into oxygen converter was established as a daily practice (1, 2). The trials with recycling of demetallized EAF slag (3, 4) were performed in two parts. In the first part 200 kg and 300 kg of demetallized slag were added to EAF charge. EAF smelting capacity was 60 t of ...
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Recycling Waste Plastics in EAF Steelmaking: Carbon/Slag ...
2010-4-23 · With an aim to recycle waste plastics in EAF steelmaking, carbon/slag interactions for a number of blends made of metallurgical coke and HDPE (high density polyethylene) and an EAF slag (34.8 mass‐% Fe 2 O 3) have been investigated at 1550°C using a sessile drop arrangement. The rate of gas generation showed an increase with increasing HDPE ...
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Recycling and environmental issues of metallurgical
2009-8-26 · 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 and salt fluxes. VII International Conference on Molten
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Recycling Waste Polymers in EAF Steelmaking: Influence
Recycling Waste Polymers in EAF Steelmaking: Influence of Polymer Composition on Carbon/Slag Interactions Somyote KONGKARAT,1) Rita KHANNA,1) ... study was the EAF slag, which was provided by Onesteel, Sydney, Australia. The chemical composition of the slag is shown in Table 4. 2.2. Carbon/Slag Interactions
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On-line slag composition analysis for electric arc furnaces
2016-9-29 · EAF slag composition, since the non-metallic material in the scrap accumulates in the ... since it causes costs due to increased alloying additions and problems in recycling of slag. In carbon steelmaking it is important to ensure foaming slag conditions, which increases energy efficiency of the EAF. Due to ... formation in the EAF and LF. One ...
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Treatments and Recycling of Metallurgical Slags |
2018-5-7 · Slag recycling in the steel job constitutes a relevant way of reusing with important economic impact on refractory costs. The coating and foaming practices are very useful in BOF converters and EAF. The ladle slag recycling also
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UPDATE OF IRON AND STEEL SLAG IN JAPAN AND
2013-4-9 · FOCUS: Iron and steel slag . TARGET: to create Recycling-oriented Society . The primary objectives are: to promote a better understanding of iron and steel slag, to position the slag as a viable commercial product and . to pave the way for its stable supply. MEMBERS . Iron and Steel manufactures (4), and the Assoc./Group of manufactures (2)
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