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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 …

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 …

A Comprehensive Review on the Ground Granulated Blast Furnace Slag …

 — With respect to the mechanical properties, durability and thermal behavior, ground-granulated blast-furnace slag (GGBS) delineates a rational way to develop sustainable cement and concrete.

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 ...

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 ...

Mechanical performance, hydration characteristics and microstructures

 — Replacement of cement clinker by industrial wastes has been verified as an effective way to reduce carbon emissions. To realize the application of blast furnace ferronickel slag (BFFS) in high volume in cement mortar, wet grinding was used to improve the activity of BFFS.Three fineness (D50 = 13 μm, 5 μm and 2.5 μm) and three contents …

Effect of different grinding aids on property of granulated …

 — Granulated blast furnace slag (GBFS) is a by-product from iron and steel industry. It has been used as one of major replacement materials for Portland cement to …

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 …

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 …

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 …

2 µm 5 µm

Planning and construction of turn-key grinding plants for cement clinker and granulated blast furnace slag. Tailor-made plant concepts from design to commissioning. Individual …

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) …

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 …

Ground granulated blast-furnace slag powder …

Ground granulated blast-furnace slag powder grinder. Ground-granulated blast-furnace slag (GGBS or GGBFS) is obtained by quenching molten iron slag (a by-product of iron and steel-making) from a blast furnace in …

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 …

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 ...

IRON AND STEEL SLAG

only two active U.S. blast furnaces and only one other domestic plant produced pelletized slag in limited supply. Grinding of granulated blast furnace slag was only done domestically by cement companies. Much of the granulated blast furnace slag and some GGBFS was imported. Based on data through August, the quantity imported in 2023 was

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 …

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 …

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. …

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, …

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 ...

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 …

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 …

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 …

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, …

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 ...

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 …

Granulated Blast Furnace Slag: Potential Sustainable Material …

 — Investigations were carried out on the suitability of granulated blast furnace slag as a mold material for either full or partial replacement of existing silica sand in the foundry industry. The sodium silicate-CO2 process was adopted for evaluating the same. A series of sand tests were performed on silica sand and slag individually and in …

Self-hydration characteristics of ground granulated blast-furnace slag …

 — The aim of this paper is to evaluate the self-hydration characteristic of GGBFS activated by wet-grinding treatment (WGT). Three slag slurries with different fineness were prepared through milling with varying duration (20 min, 40 min and 60 min, abbreviated as S2, S4 and S6, respectively). ... Ground granulated blast-furnace slag …