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Use of basic oxygen furnace slag fines in the production ...

2018-4-10  1. Introduction. Some steel slags, such as basic oxygen furnace (BOF) slag and electric arc furnace reducing slag, have properties of volume expansion and high alkalinity which are major issues when aiming to recycle the steel slag in construction .Solving the volume expansion problem of steel slags is vital for slag recycling and reuse , , , , , .In Taiwan, more than 1.5 million tons of BOF ...

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Basic Oxygen Furnace Slag Concrete - mediafoxgroup.fr

High-Amount Basic Oxygen Furnace Slag - MDPI. oxygen furnace slag (BOFS) and electric arc furnace slag (EAFS), which can be further divided into oxide ballast and reducing ballast, based on the smelting process [2–4]. Due to its hardness, BFS is commonly used for road construction and as concrete aggregate [5–9]; however, it must be stabilized

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Reducing environmental impacts: The use of basic oxygen ...

2018-1-20  The basic oxygen furnace (BOF) slag, important slag generated during the processing of the pig iron into steel, is considered a solid waste, non-hazardous and subject to recycling. It presents phases with cementitious properties such as Ca 3 SiO 5 (C 3 S), Ca 2 SiO 4 (C 2 S), Ca 4 Al 2 Fe 2 O 10 (C 4 AF) and Ca 2 Fe 2 O 5 (C 2 F).

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Use of BOF slag and blast furnace dust in asphalt

2019-2-11  use of Basic Oxygen Furnace slag (BOF) as coarse aggregate and studying the alternative of using Blast Furnace Dust (BFD) as a fine aggregate; to manufacture asphalt hot mixes for pavements as an alternative to mitigate the environmental problems derived from the accumulation of this steel waste

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Modification of Basic Oxygen Furnace Slag for Cement ...

2017-6-19  The use of steelmaking slag without chemical modification presents a deleterious effect on cement mechanical properties, due to the expansion caused by

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

2006-5-1  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.

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(PDF) Modification of Basic Oxygen Furnace Slag for

This work deals with the modification of one basic oxygen furnace (BOF) slag with the objective of making it an appropriate additive in blended cement formulations.

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Utilization of weathered basic oxygen furnace slag in the ...

2009-2-1  BOF slag is a by-product of the conversion of pig iron to steel in a basic oxygen furnace (BOF). The principle of the basic oxygen furnace is to blow oxygen and neutral gas into the furnace to decrease carbon contents. Moreover, during the conversion of pig

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Basic oxygen furnace slag: Review of current and potential ...

2020-4-1  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 products are usually molten metal and

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Performance evaluation of asphalt concrete test road ...

2015-3-1  Basic oxygen furnace (BOF) slag, an industrial by-product in Taiwan, is a solid product of flux and steel slag produced through a cooling process from blowing liquid iron into steel . Because the BOF slag has a coarser surface texture than that of the natural aggregates, the adhesive force between BOF slag and asphalt binder was improved when ...

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Basic oxygen furnace slag: Review of current and potential ...

The basic oxygen furnace (BOF) slag use as raw material for cement production carries economic, environmental and technical benefits to the cement industry, reducing energy costs, material ...

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(PDF) Removal Effect of Basic Oxygen Furnace Slag Porous ...

2021-9-16  oxygen furnace (BOF) slag was used as aggregate in porous asphalt concrete to improve the r emoval capacity of heavy metal. Road runoff solution with a copper concentration of 0.533 mg/L and a zinc

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(PDF) Concrete Produced by Steel‐Making Slag (Basic

Concrete Produced by Steel‐Making Slag (Basic Oxygen Furnace) Addition in Portland Cement November 2009 International Journal of Applied Ceramic Technology 6(6):736 - 748

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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 a ...

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Basic oxygen furnace slag - Euroslag

2021-9-12  Basic oxygen furnace slag. Basic oxygen furnace slag - BOS (also called LD-converter slag)is formed during the conversion of hot metal from the blast furnace into steel in a basic oxygen furnace.In this process the hot metal is treated by blowing oxygen to remove

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Blast Oxygen Furnace Slag as Chemical Soil Stabilizer for ...

This work proposes the use of basic oxygen furnace steel slag (BOFS) as a chemical soil stabilizer. Sixteen different mixtures of lime, cement, and processed BOFS were tested and compared. The parameters evaluated were unconfined compressive strength, diametrical tensile strength, California bearing ratio,

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Application of Basic Oxygen Furnace Slag in Increased ...

The steel slag included basic oxygen furnace (BOF) slag and desulfurization slag (DSS), which replaced 50% of natural river sand by weight for 1 to 4 days of high-temperature catalysis (100 ...

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Effect of Basicity on Basic Oxygen Furnace (BOF) Slag ...

Abstract. Slag valorization in added value construction applications can contribute substantially to the sustainability of steel industry. The present work aims to investigate the crystallization behavior of a typical industrial Basic Oxygen Furnace (BOF) slag (CaO-FeO x-SiO 2-based slag) by varying the basicity through hot stage engineering.A sample of industry Basic Oxygen Slag (BOF) was ...

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Component Modification of Basic Oxygen Furnace Slag

In this paper, a new method of basic oxygen furnace (BOF) slag component modification with a regulator was studied. The main mineral was designed as C4AF, C2S and C3S in modified BOF slag, and the batching method, mineral compositions, hydration rate, activation index and capability of resisting sulfate corrode also were studied. XRD, BEI and EDS were used to characterize the mineral formation ...

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Use of Basic Oxygen Furnace (BOF) Steel Slag for Acid

2019-7-19  We investigated the feasibility of using alkaline basic oxygen furnace (BOF) steel slag to treat acid mine drainage (AMD). Simulated AMD was treated with different doses of slag (10, 20, 30, 40, 50, and 60 g/L) for 24 h in batch reactors. A dose of 30 g/L was considered optimal because it raised the pH to 8.6 and resulted in 99% removal of trace metals in 24 h. The pH increased to 6.36 from ...

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Use of BOF slag and blast furnace dust in asphalt

2019-2-11  use of Basic Oxygen Furnace slag (BOF) as coarse aggregate and studying the alternative of using Blast Furnace Dust (BFD) as a fine aggregate; to manufacture asphalt hot mixes for pavements as an alternative to mitigate the environmental problems derived from the accumulation of this steel waste

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Utilization of Basic oxygen furnace slag as aggregate in ...

2018-6-11  present study, the Basic Oxygen Furnace Slag a major type in LD slag has been used in partial replacement of both coarse and fine aggregates in different combinations for preparing BC grade-II mixes. The Marshall properties of the slag replaced BC mixes have been compared with that of the conventional BC mixes. Slag

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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 a ...

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Utilization of waste from steel and iron industry as ...

2019-7-5  The viability of combining waste slag produced from steel (Basic Oxygen furnace) and iron (Blast Furnace) industry as replacement of cement in cement mortars was investigated. The impacts on the normal consistency, setting times, soundness, compressive strength, microstructure, and durability of cement paste/mortar were studied. The results revealed that the water requirement and the setting ...

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Basic oxygen furnace slag - Euroslag

2021-9-12  Basic oxygen furnace slag. Basic oxygen furnace slag - BOS (also called LD-converter slag)is formed during the conversion of hot metal from the blast furnace into steel in a basic oxygen furnace.In this process the hot metal is treated by blowing oxygen to remove carbon and other elements that have a high affinity to oxygen.

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Utilization of Basic Oxygen Furnace Slag in Geopolymeric ...

2020-5-14  sustainability Article Utilization of Basic Oxygen Furnace Slag in Geopolymeric Coating for Passive Radiative Cooling Application Chia-Ho Wu 1, Chih-Hong Huang 2,3, Yeou-Fong Li 3,4, Wei-Hao Lee 1 and Ta-Wui Cheng 1,3,* 1 Institute of Mineral Resources Engineering, National Taipei University of Technology, Taipei 10608, Taiwan; [email protected] (C.-H.W.); [email protected] (W.

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The Study of Ladle Furnace Slag as Cementitious Material

2015-11-3  slag (BFS), basic oxygen furnace slag (BOFS), electric arc furnace (EAF) acid slag and ladle furnace (LF) basic slag. Southern Steel Malaysia produces about 120,000 tons per year of electric arc furnace slag (EAFS) and ladle furnace slag (LFS). These abundant wastes are initially stockpiled before been disposed to the landfill. On the other ...

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Basic oxygen furnace slag: Review of current and potential ...

Abstract Steel slag, in particular, basic oxygen furnace slag (BOF-S) – a by-product in the steelmaking industry – is an environmental challenge due both to the large volume of the material that is produced annually and its potentially detrimental environmental impacts. Globally, waste generation and management has become a critical issue with waste prevention and recycling rates ...

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Stabilization of Basic Oxygen Furnace Slag by Hot-stage ...

2017-1-30  1 Stabilization of basic oxygen furnace slag by hot-stage carbonation treatment Rafael M. Santos a, Da Ling b, Amin Sarvaramini c, Muxing Guo b, Jan Elsen d, Faïçal Larachi c, Georges Beaudoin e, Bart Blanpain b, Tom Van Gerven a,* a KU Leuven, Dept. Chemical Engineering, Willem de Croylaan 46, 3001 Leuven, Belgium b KU Leuven, Dept. Metallurgy and Materials Engineering,

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Basic Oxygen Furnace Industrial Efficiency Technology ...

2017-9-13  Basic Oygen Furncace (BOF) is a pear shaped vessel where the pig iron from blast furnace, and ferrous scrap, is refined into steel by injecting a jet high-purity oxygen through the hot metal. More specifically, in a BOF:

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