Mechanical performance, hydration characteristics and microstructures
— Wet grinding was verified to be an efficient method to elevate the pozzolanic activity for fly ash [43], [46], blast furnace slag [47], [48], [49] and steel slag [50]. So, there is great potentiality for BFFS to be used as SCM in high volume.
Granulated blast furnace slag grinding
— Power consumption: 10 kWh/t dry slag (WBCSD, 2002;Ruhmer, 1992) Fuel consumption: 300 MJ/t dry slag (calculation based on ten per cent moisture and 20 per cent heat loss from dryer -similar fuel ...
Slag Grinding Plant | GGBS Plant | Slag Mill, Slag
GGBS refers to ground granulated blast furnace slag, it also known as GGBFS, is obtained by quenching molten iron slag from a blast furnace in water or steam. As the name implies, the GGBS plant is designed to …
Blast Furnace Slag, Post-Industrial Waste or Valuable …
— In recent years, the construction industry has struggled with a variety of issues such as material availability, supply channel management, and the increasing cost of construction materials. These issues have encouraged the search for replacements and substitutes for existing construction materials. Blast Furnace Slag is used in the …
Tempering and modification of basic oxygen furnace slag …
— BOF slag is formed from the oxides formed by the oxidation of various elements in the metal burden [5], the slagging materials (e.g., limestone and fluorite) …
Options for Grinding Slag and Pozzolan for Use …
While the use of supplementary cementitious materials is increasingly popular, the use of granulated blast furnace slag and pozzolans presents extra challenges to the grinding process. A careful assessment of …
Synergistic Activation of Electric Furnace Ferronickel Slag by …
— The use of electric furnace ferronickel slag (FNS) as a supplementary cementitious material is the current focus of research. This study investigates the effect of mechanical grinding and chemical additives on the activity excition of FNS, as well as the associated synergistic mechanisms. This study shows that the addition of …
Blast furnace slag properties at different grinding times and …
— The results also showed that the compressive strength and activity index of blast furnace slag increased significantly after extending the grinding time from 0-40 minutes (corresponding to ...
2 µm 5 µm
for grinding clinker and granulated blast furnace slag, was used for the first time in an LM 46.2+2 for cement grinding in the Pu Shin mill works of Lucky Cement, Taiwan. 1995 An LM 35.2+2 went into production in Fos sur Mer, Ciments Lafarge, France, as the first mill for grinding granulated blast furnace slag.
Ground Granulated Blast Furnace Slag | SpringerLink
— Ground granulated blast furnace slag (GGBS) is a by-product from the blast-furnaces used to make iron. Blast-furnaces are fed with controlled mixture of iron-ore, coke and limestone, and operated at a temperature of about 1,500°C. ... Stutterheim, N.: Portland blast furnace cements—a case for separate grinding of slag. In: Fifth ...
A study of intergrinding and separate grinding of blast furnace slag …
— Grinding-related parameters of blast furnace slag cements (BFC), such as Bond grindability, specific rate of breakage and breakage distributions were determined employing separate and intergrinding modes. Strength tests were performed on mortar specimens made by BFC prepared by these modes of grinding to the same fineness.
Utilisation perspective on water quenched and air-cooled blast furnace
— Blast furnace slag is a by-product of the iron-making process while producing pig iron. The present research provides an understanding of the two different types of slags of water quenched granulated slag and air-cooled slag that are generated from iron making process through the blast furnace route. ... 2017) and the work indices …
Comprehensive Utilization Technology of Steel Slag
— Compared with the grinding of other materials, steel slag grinding is poorer, and it is difficult to guarantee the granularity of steel slag cement. Hence, to enhance the application of steel slag in cement, more research and exploration have been made on the grinding of steel slag in recent years. ... The blast furnace slag pieces are skeleton ...
Feasibility of Preparing Steel Slag–Ground Granulated Blast Furnace …
— Steel slag and GBFS are wastes generated during the steel and iron smelting process, characterized by their considerable production rates and extensive storage capacities. After grinding, they are often used as supplementary cementitious materials. However, the intrinsic slow hydration kinetics of steel slag–GBFS …
A Comprehensive Review on the Ground …
— A Comprehensive Review on the Ground Granulated Blast Furnace Slag (GGBS) in Concrete Production. by. Jawad Ahmad. 1, Karolos J. Kontoleon. 2,*, Ali Majdi. 3, Muhammad Tayyab Naqash. 4, …
Particle characteristics and hydration activity of ground …
— Introduction. Granulated blast furnace slag (abbreviated GBFS) is an industrial solid waste generated in the steelmaking process [1], [2]. It is rich in CaO, SiO 2, Al 2 O 3 in chemical compositions and the mineral phases of GBFS are mainly composed of glass phases [3], [4]. Based on its chemical and mineral compositions, GBFS has a …
Study on the particle morphology, powder
— This study explored potential pretreatment methods to enhance slag's performance as a cement raw material and the research on utilizing steelmaking slag, including blast furnace slag (BFS), Kanbara reactor (KR) slag, basic oxygen furnace (BOF) slag, electric arc furnace (EAF) slag, ladle furnace (LF) slag, and stainless slag, in …
Basic oxygen furnace slag: Review of current and potential …
— 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. ... In general, the recovery process includes crushing or grinding, screening ...
Utilization of carbide slag-granulated blast furnace slag …
— In this study, granulated blast-furnace slag was treated by wet grinding to promote its reactivity (i.e. WGGBS), and carbide slag (CS), one kind of industrial wastes, was used as the alkali. CS activating WGGBS system was designed, where the replacement ratio of WGGBS by CS was less than 10%. Mechanical property of this …
Efficiency of wet-grinding on the mechano-chemical …
— Self-hydration characteristics of ground granulated blast-furnace slag (GGBFS) by wet-grinding treatment. Constr. Build. Mater. (2018) ... Taking fly ash and granulated blast furnace slag for example, they were able to be utilized for components of cementitious materials, and in most cases, these two could replace the cement clinkers …
GGBS
As a by-product of existing industrial processes, GGBS has 10 times less embodied C02 than the average CEM1 product and can be used to replace up to 70% CEM1 in concrete*. Our products conform to BS EN 15167-1, the British standard for using Ground Granulated Blast furnace Slag in concrete, mortar, and grout.
Microwave-assisted grinding of high TiO2 blast furnace slag …
— One effective way to reduce the TiO2 content in the blast furnace (BF) high TiO2 slag is to separate CaTiO3 from the slag. In order to save the required energy for grinding the slag, the ...
IRON AND STEEL SLAG
Grinding of granulated blast furnace slag was only done domestically by cement companies. Supply constraints appear to have limited domestic consumption of GGBFS in recent years. Following declines in value and production in 2020, owing to the effects and availability caused by closures related to the COVID-19 pandemic, steel
The Carbon Cost of Slag Production in the Blast Furnace: A …
— The quality of raw materials (iron ore, coal, and coke) has a clear impact on the carbon emissions of the hot metal production in steel making. So far, very little work has been done to measure and quantify this impact. Yet for benchmarking, technology choice and general carbon optimization are important elements. The total slag production of a …
Compressive strength and hydration process of wet …
— In this study, the super-fine ground granulated blast furnace slag was obtained by wet grinding (i.e. WGBBS), and an attempt to activate the super-fine ground granulated blast furnace slag by sodium sulfate (SS) and sodium carbonate (SC) was made. SS/SC-activated WGGBS samples were prepared and cured at the room …
Furnace Slag
Among the forms of metallurgical slag, the most abundant and best-known is basic, granulated blast furnace slag. Rapid chilling of the molten slag results in a glassy …
Detroit slag grinder gets air permit despite environmental
— On Nov. 30, EGLE approved an air permit for Edwin C. Levy Co., a Dearborn company which plans to build plant at 8941 West Jefferson Avenue in Detroit which would grind up blast furnace slag from ...
Detroit slag grinder gets air permit despite environmental
— On Nov. 30, EGLE approved an air permit for Edwin C. Levy Co., a Dearborn company which plans to build plant at 8941 West Jefferson Avenue in Detroit …
Particle characteristics and hydration activity of ground …
— 1. Introduction. Granulated blast furnace slag (abbreviated GBFS) is an industrial solid waste generated in the steelmaking process [1], [2].It is rich in CaO, SiO 2, Al 2 O 3 in chemical compositions and the mineral phases of GBFS are mainly composed of glass phases [3], [4].Based on its chemical and mineral compositions, GBFS has a good …
A study of intergrinding and separate grinding of blast furnace slag …
— Grinding-related parameters of blast furnace slag cements (BFC), such as Bond grindability, specific rate of breakage and breakage distributions were determined employing separate and intergrinding modes. Strength tests were performed on mortar specimens made by BFC prepared by these modes of grinding to the same fineness. …
Improving the early reactivity of activated basic oxygen furnace slag …
— Table 1. Overview of the applied methodology in this study, n.d. stands for not determined. IBOFS refers to the initial BOF slag, R refers to the milled material without the application of grinding aids, OA refers to the milled material with oleic acid as grinding aid, TEA refers to the material with triethanolamine as grinding aid, MPW refers to the …
GRINDING Grinding options for slag and pozzolan
Grinding options for slag and pozzolan While the use of supplementary cementitious materials is increasingly popular, the use of granulated blastfurnace slag and pozzolans …
What is Blast Furnace Slag and How to Process It?
— Blast furnace slag can be processed into the following materials by various processes. In China, blast furnace slag is usually processed into water slag, slag gravel, expanded slag and slag …