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EAFS, blends of sodium hydroxide (NaOH) and sodium silicate (Na 2 SiO 3) solution and fine aggregate, were used for the alkali activated electric arc furnace slag (AAEAFS) mortar production.Firstly, NaOH pellets are solved in water and then were kept in laboratory conditions for 24 h to expect ending of the exothermic reactions between …
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The type of steel furnace slag (SFS), including electric arc furnace (EAF) slag, basic oxygen furnace (BOF) slag, ladle metallurgy furnace (LMF) slag, and argon oxygen decarburization (AOD) slag, can significantly affect the composite properties when used as an aggregate or as a supplementary cementitious material in bound applications, such …
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In particular, the simulations show that lime and dolime replacement is possible by recovering only Ladle Furnace slag, as a small increase of 3–4% of required electric energy is compensated by ...
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In this study, an investigation on the suitability of electric arc furnace (EAF) steel slag and copper mine tailings (CMT) as alternative asphalt paving materials is proposed. ... Pulai located in the southern part of Malaysia. EAF steel slag and CMT were sourced from Antra steel and Malaysia Marine and Heavy Engineering (MMHE) Sdn Bhd …
DetailsThe composition of slags of an electric arc furnace (EAF) in a commercial melt shop was systematically analyzed with a focus on slag ing. Basic behavior of FeO in an EAF slag was confirmed using fundamental thermodynamics. Monoxide ([Mg,Fe,Mn]O = M'O) and spinel ([Mg,Fe]Al2O4) phases in EAF slag were confirmed by X-ray …
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Chemical, Thermal and Phase Analysis of Malaysia's Electric Arc Furnace (EAF) Slag Waste. NMS Pao Ter Teo, Anasyida Abu Seman, Projjal Basu. Materials Science Forum 840 (2016), 399-403, 2016. 7: 2016: Recycling of Pineapple (Ananas comosus) Leaf Agro-waste as One of the Raw Materials for Production of Eco-friendly New Paper.
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e Agreement with WEC in support of the U.S. - Asia Environmental Partnership (US-AEP). The purpose of this mission was to participated in the South East Asian Iron a. d Steel Institute's (SEAISI) workshop on Electric Arc Furnace Dust and Slag Treatment. Specifically, the workshop focused on promoting the interchange of information and ...
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These industries also generate solid wastes in the form of electric arc furnace (EAF) slag during operations which result in about 10-15% slag wastes per ton of steel produced. In this study, the EAF slags from an iron and steel-making factory in Klang, Malaysia was utilized for CO 2 sequestration through direct aqueous mineral carbonation.
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This paper presents an innovative approach of utilizing electric arc furnace (EAF) slags in value-added applications, particularly as storage media for high-tem ... Utilization of steel melting electric arc furnace slag for development of vitreous ceramic tiles. ... Recycling of Malaysia's electric arc furnace (EAF) slag waste into heavy-duty ...
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Application of General Full Factorial Statistical Experimental Design's Approach for the Development of Sustainable Clay-Based Ceramics Incorporated with Malaysia's Electric Arc Furnace Steel Slag Waste. P. …
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Granulated blast furnace slag (GBS) is the most important steel industry by-product. The production is almost 0.23 tons of slag for each ton of cast iron and 0.1 ÷ 0.2 tons for each ton of steel [12]. According to EUROSLAG data [13], the production of granulated blast furnace slag was 23 million tons in 2012.
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Within the furnace, different reactions take place, which result in the formation of the primary material (molten steel) and the so-called "Electric Arc Furnace slag" (or "EAF"), in a range of ...
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Pao Ter Teo et al. / Procedia Chemistry 19 ( 2016 ) 842 – 846 843 1. Introduction EAF slag forms during production of molten steel from scrap metal in the electric arc furnace (EAF), whereby the
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This work presents the iron oxide recovery from electric arc furnace slag with different temperature and time using acid leaching method. The results showed that formation of iron oxide from electric arc furnace (IO-EAFS) was influenced by the temperature and time of heating. This is evidenced by constant acid concentration and liquid to solid ...
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Steel slag is one of the most common waste products from the steelmaking industry. Conventional methods of slag disposal can cause negative impacts on humans and the environment. In this paper, the process of steel and steel slag production, physical and chemical properties, and potential options of slag recycling were reviewed. Since steel is …
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An electric arc furnace (EAF) is a metallurgical furnace for melting and converting scrap steel into new steel by using a high current level. The electrodes installed on an EAF's top-head provide ...
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Faculty of Engineering, University Putra Malaysia, 43400 Serdang, Selangor DE, Malaysia Abstract: Problem statement: Steel making slag from Electric Arc Furnace (EAF) is an abundant by-product in Malaysia steel making industry. It has potential to be used for heavy metal removal from contaminated water or waste water.
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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 …
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We investigated the effect of direct reduced iron (DRI) addition on dephosphorization of molten steel by electric arc furnace (EAF) slag at 1823 K (1550 °C). Various phenomena such as CO gas evolution and slagmaking by gangue oxides in DRI were experimentally observed at each reaction step. Thermodynamic behaviors of …
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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.
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Since steel is mainly produced through an electric arc furnace (EAF) in Malaysia, most of the recycling options reviewed in this paper focused on EAF slag and the strengths and weaknesses of each ...
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This study aims to explore the feasibility of using iron slag derived from an electric arc furnace (EAFS) as a catalyst to degrade Reactive Black 5 (RB5). ... Recycling of Malaysia's electric arc furnace (EAF) slag waste into heavy-duty green ceramic tile. Waste Manage, 34 (2014), pp. 2697-2708. View PDF View article View in Scopus …
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Electric arc furnace steel slag was modified by wastes in hot-stage process with the aim to improve the cementitious activity. Effect of basicity on cementitious activity of modied steel slag was ...
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This article presents a comprehensive review of electric arc furnace (EAF) slag recycling in the United States, examining its classification and the associated challenges and opportunities of its industrial use. The study affirms EAF slag's nonhazardous status. The main challenges identified in EAF slag applications include substantial variations in …
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Slag, a by-product of steelmaking industries, has invaluable potentials for various environmental applications. Slag is generally produced in different types of furnaces working under various operating conditions and contains alumina, calcium oxide, silica and so on. Physical and chemical properties of a typical slag dictate the distinct …
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The ability of electric arc furnace slag (EAFS), a by-product of the steel industry to adsorb nickel [Ni(II)] from an aqueous solution, was investigated by both batch and column operations. The characterization studies showed the mesoporous nature of EAFS with dominance of acidic sites. The adsorption was found to be dependent on the adsorbent …
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The steel production generates approximately 10 % of electric arc furnace slag on the production of each ton of steel. In the view of environmental concerns and government regulations regarding slag disposal, alternate ways of its utilization are required. This work is focused on the leaching behaviour study of electric arc furnace …
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Electric arc furnace (EAF) steelmaking slags that had undergone magnetic separation were obtained from a local steelmaking plant, and the major chemical composition of the slag is shown in Table 1 ...
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Since steel is mainly produced through an electric arc furnace (EAF) in Malaysia, most of the recycling options reviewed in this paper focused on EAF slag and the strengths and weaknesses of each ...
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Previous research has individually demonstrated the successful waste recycling of Municipal Incineration Bottom Ash (MIBA) and Electric Arc Furnace Slag (EAFS) for tile making. This study explored a new frontier of combining both MIBA and EAFS to produce quality floor and wall tiles. EAFS was introduced to reinforce strength …
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Electric arc furnace (EAF) slag, one of the SM slags, is produced by refining the process of recycled steel scrap in the electric arc furnace. The main chemical characteristics of EAF slag are its high free calcium oxide (free-CaO) and Fe oxide content. ... Anasyida A.S., Basu P., Nurulakmal M.S. Recycling of Malaysia's electric arc …
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metals Review Assessment of Electric Arc Furnace (EAF) Steel Slag Waste's Recycling Options into Value Added Green Products: A Review Pao Ter Teo 1,*, Siti Koriah Zakaria 1, Siti Zuliana Salleh 1, Musta a Ali Azhar Taib 2, Nurulakmal Mohd Sharif 3, Anasyida Abu Seman 3, Julie Juliewatty Mohamed 1, Mahani Yuso 1, Abdul Hafidz Yuso 1, Mardawani …
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By-products from steel industry comes in various forms such as steel slag and steel sludge. In particular, the steel slag is generated at three different stages during processing and consequently categorized as: blast furnace slag, electric arc furnace slag and ladle slag [7]. Meanwhile, except in the production of ceramics, there are no ...
DetailsThe European steel industry produces about 70 million tons/year of steel by the electric arc furnace (EAF). The slag consists of about 15% by weight of the produced steel, thus from the perspective of the circular economy, it has a high potential as a co-product. This research aims to assess an innovative reuse of EAF slag as filler in …
DetailsRationale of Adoption. The Electric Arc Furnace (EAF) is a popular choice of steelmaking technology in South East Asia for some obvious reasons. It can be built in a small scale operation and may rely solely on scrap as the feeding material. Fur-thermore, low capital cost of an EAF enables many new plants to be quickly built in the region.
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1 Introduction. The electric arc furnace (EAF) constitutes the main process in scrap-based steelmaking. [] Invented in 1889 by Paul Héroult, it was initially used mostly for production of special steels, but established itself as one of the main steelmaking processes in the later part of the 20th century. [] In 2018, the EAF process supplied 523 918 000 t of steel …
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Electric arc furnace (EAF) steel slag is among the more common waste materials used in road construction (Sorlini et al., 2012, Yildirim and Prezzi, 2009, Yi et al., 2012, Pasetto and Baldo, 2011). ... Pasir Gudang, Malaysia respectively. While steel slag and granites were used as both fine and coarse aggregate, ...
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The crucial role of ed slag in improving the effectiveness of the arc-furnace process is beyond any doubt. However, there is no consistent approach to the description of the slag ing mechanism despite the wide application of this process in modern electric-arc furnaces. Aspects of assessing the effectiveness of slag …
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Slag from the steel industry comes from the rapid cooling of the oxidised and superficial liquid phase present in electric arc furnaces, from ca. 1300 °C to ambient temperature [20], [21]. The trapping of tiny air bubbles in the melted mass during cooling leads to the characteristic micro-porosity of the material.
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