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Basic Oxygen Furnace Slag Concrete

  • Effect of basic oxygen furnace slag on succession of the

    Effect of basic oxygen furnace slag on succession of the

    Apr 15, 2020 The basic oxygen furnace BOF slag is an alkaline oxidizing solid waste produced in the steelmaking process Guo et al., 2018a. There are 100 million tons of BOF slag produced annually in China, but the utilization rate of BOF slag is only 29.5 Guo et al., 2018a. Therefore, the large-scale resource utilization of BOF slag has always been ...

  • Basic oxygen furnace slag Review of current and potential

    Basic oxygen furnace slag Review of current and potential

    Apr 01, 2020 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, amp Van der fliet, 2009.The end products are usually molten metal and slag ...

  • Basic Oxygen Furnace Slag BOFS Graded Aggregates

    Basic Oxygen Furnace Slag BOFS Graded Aggregates

    Raw materials and production processes. BOFS graded aggregates are by-products of BOF steelmaking in a wholly integrated steel mill. Their main chemical compositions are CaO, SiO 2, Al 2 O 3, Fe 2 O 3, etc.The molten slag is cooled and solidified into basic oxygen furnace slag, which then undergoes crushing, magnetic separation, and screening to make BOFS graded aggregates.

  • Basic oxygen furnace slag Euroslag

    Basic oxygen furnace slag Euroslag

    Apr 23, 2021 Basic oxygen furnace slag. Basic oxygen furnace slag - BOS also called LD-converter slagis 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.

  • Utilization of Basic Oxygen Furnace BOF slag in the

    Utilization of Basic Oxygen Furnace BOF slag in the

    Abstract 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.

  • PDF Modification of Basic Oxygen Furnace Slag for Cement

    PDF Modification of Basic Oxygen Furnace Slag for Cement

    Basic oxygen furnace slag BOFS was ground to three levels of fineness as a replacement for cement at weight proportions of 10, 30, 50, and 70 wt.. Fineness and weight proportion were shown to ...

  • Modification of Basic Oxygen Furnace Slag for Cement

    Modification of Basic Oxygen Furnace Slag for Cement

    Jun 19, 2017 The use of steelmaking slag without chemical modification presents a deleterious effect on cement mechanical properties, due to the expansion caused by the presence of free CaO and MgO in the slag. 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.

  • Utilization of Basic Oxygen Furnace BOF slag in the

    Utilization of Basic Oxygen Furnace BOF slag in the

    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.

  • Utilization of Basic Oxygen Furnace Slag in Geopolymeric

    Utilization of Basic Oxygen Furnace Slag in Geopolymeric

    Basic oxygen furnace slag BOFs is difficult to reutilize because it contains excessive free lime, and thus causes serious expansion. For this reason, how to reuse BOF slag has turned out to be an imperative issue in order to meet the concept of a circular economy. The key intention of this research work is to develop a new way to reutilize BOF slag, which due to its high emissivity in the 8 ...

  • Recycling of Basic Oxygen Furnace Slag as a Raw

    Recycling of Basic Oxygen Furnace Slag as a Raw

    Abstract 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 inuence 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.

  • PDF Recycling of Basic Oxygen Furnace Slag as a Raw

    PDF Recycling of Basic Oxygen Furnace Slag as a Raw

    PDF The purpose of this study was to recycle basic oxygen furnace BOF slag in the production of autoclaved aerated concrete AAC, and to examine... Find, read and cite all the research you ...

  • Characterization and activation of Basic Oxygen Furnace slag

    Characterization and activation of Basic Oxygen Furnace slag

    Basic oxygen furnace BOF slag generated during steel production exemplifies the case considerable amounts of this material are available an estimation of 120-240 Mt in 2016 was calculated ...

  • Insitu Temperature Effects in Basic Oxygen Furnace Slag

    Insitu Temperature Effects in Basic Oxygen Furnace Slag

    Basic oxygen furnace BOF slag is a by-product of steel plants and is different from conventional natural aggregates. Studies have shown that BOF slag asphalt concrete is able to store heat. However, no quantitative research results have been presented. In this study, conventional natural aggregates and reclaimed asphalt pavement RAP are ...

  • Evaluation of Basic Oxygen Furnace BOF material into

    Evaluation of Basic Oxygen Furnace BOF material into

    Jul 15, 2016 Basic Oxygen Furnace BOF slag has many prismatic angles, is massive, and has a high hardness that meets the requirements of the aggregate used in asphalt concrete. BOF has a higher proportion of CaO but a lower proportion of SiO 2 than natural gravel aggregate NA because CaO is a lipophilic molecule while SiO 2 is a hydrophilic molecule ...

  • Concrete with Steel Furnace Slag and Fractionated

    Concrete with Steel Furnace Slag and Fractionated

    pavement, RAP, steel furnace slag, SFS, electric arc furnace slag, EAF, basic oxygen furnace slag, BOF, expansion, autoclave, free lime, free CaO, ethylene glycol test, concrete durability, concrete fracture 18. Distribution Statement No restrictions. This document is available to the public through the National Technical Information Service,

  • Aircooled basic oxygen steel slag BOS

    Aircooled basic oxygen steel slag BOS

    BOS slag is produced by the basic oxygen steelmaking BOS process also referred to as the basic oxygen furnace BOF process, as air cooled steel slag ASS or as LD-converter slag. Production and Processing. BOS slag is formed during the conversion of hot liquid iron from the blast furnace into steel in a basic oxygen furnace.

  • Effects of Three Types of Iron and Steel Slag on Fresh and

    Effects of Three Types of Iron and Steel Slag on Fresh and

    In Iranian iron and steel plants, slags are generated at three different stages of processing Basic Oxygen Furnace BOF, Electrical Arc Furnace EAF and Granulated Blast Furnace GBF are the slags used in this study. In this respect, some mixtures were made with 10, 20 and 30 wt of each slag replaced in ordinary Portland cement.

  • Insitu Temperature Effects in Basic Oxygen Furnace

    Insitu Temperature Effects in Basic Oxygen Furnace

    Basic oxygen furnace BOF slag is a by-product of steel plants and is different from conventional natural aggregates. Studies have shown that BOF slag asphalt concrete is able to store heat.

  • A Study on Radiation Cooling Effect on Asphalt Concrete

    A Study on Radiation Cooling Effect on Asphalt Concrete

    Abstract In this study, aggregates in asphalt concrete were partially replaced by basic oxygen furnace slag BOFS in proportions of 45 wt., 55 wt., and 75 wt.. The thermal performances of the specimens are discussed based on the thermal conductivity, emissivity, and the indoor and outdoor temperature measurements.

  • uses of electric arc furnace slag

    uses of electric arc furnace slag

    Blast Furnace Slag BFS from the crude or pig iron production in blast furnace Steel slag from a Basic Oxygen Furnace BOF and the Electric Arc Furnace EAF Ladle refining slag from the steel refining processes in the ladles The blast furnace slag after granulation and grinding finds extensive use in cement and concrete .

  • PhD Position Novel concretes based on Basic Oxygen

    PhD Position Novel concretes based on Basic Oxygen

    One solution to this problem is the use of currently underutilized industrial side products in OPC-free binders. Such a binder based on Basic Oxygen Furnace BOF slag was recently developed at the Building Materials group, and it will be the goal of this PhD to investigate the behavior of concrete

  • PhD Position Novel concretes based on Basic Oxygen

    PhD Position Novel concretes based on Basic Oxygen

    The cement and concrete industry is consuming large amounts of natural resources. One solution to this problem is the use of currently underutilized industrial side products in OPC-free binders. Such a binder based on Basic Oxygen Furnace BOF slag was recently developed at the Building Materials group, and it will be the goal of this PhD to ...

  • Use of Steel Slag in Concrete as Fine Aggregate

    Use of Steel Slag in Concrete as Fine Aggregate

    in comparison with blast furnace slag BFS, is not appropriate to be used in blended cement production. Although many studies have been conducted on the evaluation of steel slag usage in road construction and use of blast furnace slag in concrete mixes, few researches have been performed regarding the utilization of steel slag in concrete.1 2.

  • PhD Position Novel concretes based on Basic Oxygen

    PhD Position Novel concretes based on Basic Oxygen

    15 Views PhD Position Novel concretes based on Basic Oxygen Furnace Slag JOB DESCRIPTION The cement and concrete industry is consuming large amounts of natural resources. One solution to this problem is the use of currently underutilized industrial side products in OPC-free binders. Such a binder based on Basic Oxygen Furnace BOF slag was recently developed

  • The effect of replacing sand by iron slag on physical

    The effect of replacing sand by iron slag on physical

    Cement Company in compliance with the requirements of ASTM C-150 6 was used. Table 1 outlines the chemical com-position using XRF Spectrometer PW 1400 and physical char-acteristics of the cement. The natural aggregate used for the preparation of cement mortar was sand S. The basic-oxygen furnace slag BOFS with high density was used as a ...

  • Effect of field compaction mode on asphalt mixture

    Effect of field compaction mode on asphalt mixture

    Basic oxygen furnace BOF slag is applied as an aggregate to construct an asphalt concrete test pavement road, which is constructed using static, vibratory, and semi-static-vibratory rolling at ...

  • Effect of field compaction mode on asphalt mixture

    Effect of field compaction mode on asphalt mixture

    Sep 01, 2012 Basic oxygen furnace BOF slag is applied as an aggregate to construct an asphalt concrete test pavement road, which is constructed using static, vibratory, and semi-static-vibratory rolling at various compaction numbers. The effects of field compaction numbers, rolling methods, and cooling time on BOF slag asphalt concrete pavement are evaluated.

  • Physical and Chemical Characteristics of Blast Furnace

    Physical and Chemical Characteristics of Blast Furnace

    Optimization of Mineralogy and Microstructure of Solidified Basic Oxygen Furnace Slag Through SiO2 Addition or Atmosphere Control During Hot-Stage Slag Treatment. Metallurgical and Materials Transactions B 2019, 50 1 , 210-218.

  • Flexural Strength of Concrete by Partial Replacement of

    Flexural Strength of Concrete by Partial Replacement of

    Basic Oxygen Furnace slag is formed during the conversion of hot metal from the blast furnace into steel in a basic oxygen furnace Figure 1. In this process the hot metal is treated by blowing oxygen to remove carbon and other elements that have a high affinity to oxygen.