— Introduction. Blast furnace slag (BFS), a byproduct of the iron-production process, is generally composed of silicate (SiO 2) and aluminum oxide (Al 2 O 3) from …
— Introduction. Blast furnace slag (BFS), a byproduct of the iron-production process, is generally composed of silicate (SiO 2) and aluminum oxide (Al 2 O 3) from …
Significant quantities of slag are generated as waste material or by-product every day from steel industries. They usually contain considerable quantities of valuable metals and materials. Transforming these solid wastes from one form to another to be reused either by the same production unit or by different industrial installation is very much essential not …
— is 11%, it is used in cement production, hydraulic structures, and fertilizer production by 3 to 5% (Table 2). Table 2 - Application areas and rates of steel slag in Europe in 2012 *
The primary area of application of steel slag is aggregate production in road construction with a rate of 43%. While the rate of internal use for metallurgical purposes is 11%, it is used in cement production, hydraulic structures, …
Blast furnace slag cement is the mixture of ordinary Portland cement and fine granulated blast furnace slag obtained as a by product in the manufacture of steel with percent under 70% to that of cement. Ground granulated blast furnace slag cement (GGBFS) is a fine glassy granules which contain cementatious properties.
— Granulated blast-furnace slag (GGBS) is a powdered material obtained by quenching molten iron slag from iron smelting furnaces with water or steam, followed by drying and grinding. GGBS is similar in composition to cement but is more cost-effective and environmentally friendly, making it a popular alternative to cement for curing …
— Ramani, P.V.; Chinnaraj, P.K. Geopolymer Concrete with Ground Granulated Blast Furnace Slag and Black Rice Husk Ash. Građevinar 2015, 67, 741–748. [Google Scholar] Makhdoom, O.; Makhdoom, I. Effect of Components Fineness of Ground Granulated Blast Furnace Slag (GGBFS) on Its Strength Efficiency in Roller Compact …
— Blast furnace slag (BFS) is a by-product resulting from the fusion of iron ore into pig iron, in a process carried out in industrial units called blast furnaces, where the oxides contained in the iron minerals are reduced and the impurities that accompany them are separated [].Slag is formed by the melting of impurities from iron ore after the …
Winner of the Excellence in Sustainability Steelie Award 2023. Rice is the staple food in South Korea. Every year, 3.8 million tonnes of rice are harvested, accounting for a stagg
Abstract. Blast furnace slag (BFS), a byproduct of iron-producing process, has been applied as silicate fertilizer in rice paddy. Silicate fertilizer contains lime and silicate as main …
In view of the high content of silica in fly ash and abundant heat in blast furnace slag, high efficiency silicon fertilizer was prepared by mixing blast furnace slag with fly ash directly. When the fly ash and blast furnace slag were mixed with a mass ratio of 7.76:92.24, the effective silicon content in silicon fertilizer was highest after the condition of quenching.
— Notably, steel-making slag and blast furnace slag have been extensively utilized as raw materials for fertilizer production, mostly in Japan, Korea, and China. Fertilizers made of slag are categorized as slag silicate fertilizer, lime fertilizer, slag phosphate fertilizer, and iron matter of special fertilizer .
— BFS (blast-furnace slag) is a by-product in the. production of iron and steel manufacturing, its. Generated during the process of reducing iron ore by. coke in a blast furnace, the blast furnace ...
— Based on the latest slag production statistics, approximately 24.6 Mt of BFS and 18.4 Mt of steel slag were produced in Europe in 2016 ... Approximately 4.4 kg of blast furnace slag, 3.6 l of acetic acid, and 3.5 kg of NaOH would be required to bind 1 kg of CO 2, resulting in 2.5 kg of 90% calcium carbonate. Eloneva et al. (2008) ...
— 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 …
— slag, blast furnace slag, ladle furnace slag, and stainless steel slag at the installation. ... construction materials and fertilizer in agriculture production were introduced respectively. At ...
— Blast furnace slag (BFS), a byproduct of iron-producing process, has been applied as silicate fertilizer in rice paddy. Silicate fertilizer contains lime and silicate as main components and iron ...
— Blast furnace slag (BFS), a by-product of iron making, has been utilized as silicate fertilizer in Korean and Japanese rice paddy. Silicate fertilizer, which has high …
Ferrous slag is the by-product of iron and steel manufacturing. It arises from the conversion of ores to iron, hot iron to steel, from melting scrap in an electric arc furnace or from the subsequent treatment of crude steel. …
Converter slag. Converter slag is used in the cement industry. Ladle slag. Is used as an additive in the blast furnace. Used in the cement industry and the manufacture of rock wool as a calcium-containing and aluminum-containing raw material. Ladle slag is also used in agriculture as a lime fertilizer.
— In addition, silicate fertilizer made from blast furnace slag (BFS), an industrial byproduct in iron and steel production processes, is widely used to lime Asian rice paddies, particularly in Korea and Japan (Ali et al., 2009, Makabe …
— Abbreviations: LFS: ladle slag; AODS: argon–oxygen decarburization slag; EAFRS: electric arc furnace reduction slag; EAFOS: arc furnace oxide slag; BOFS: basic oxygen slag; BFS: blast furnace slag. The process of carbon fixation using iron and steel slags will be affected by various practical conditions, resulting in the carbon fixation ...
— Blast furnace slag (BFS), a by-product of iron making, has been utilized as silicate fertilizer in Korean and Japanese rice paddy. Silicate fertilizer, which has high contents of active iron and ...
— This work aimed to characterize the blast furnace slag residue from steel production from Acepar Company S.A., in order to propose a higher added value application related to advanced ceramics ...
Water- cooled blast furnace slag is called granulated blast furnace slag. Production of slag silicate fertilizer in Japan peaked at 1,400,000 t per year in 1968 (Kato 2002) and decreased to ...
— The schematic diagram of pig iron and blast furnace slag production process is given in Fig. 1. Fig. 1. Schematic illustration of pig iron and slag production process in a blast furnace. 518 Dervis Ozkan et al. / Materials Today: Proceedings 11 (2019) 516â€"525 3. Utilization of Slag Reutilization of industrial waste slags as industrial by ...
— Blast furnace slag is formed during the production of hot metal by thermo-chemical reduction in a blast furnace. During this continuous process, iron ore or pellets as well as fluxes (lime[stone] and/or …
Blast furnace slag (BFS), a byproduct of iron-producing process, has been applied as silicate fertilizer in rice paddy. Silicate fertilizer contains lime and silicate as main components and iron and manganese as electron acceptors. This amendment improves soil productivity and mitigates methane (CH …
— Process of slag Generation (epa.gov) During the process of reducing iron ore through coke in a blast furnace, blast furnace slag is generated while steel making slag is generated in the process of ...
— In order to utilize blast furnace slag resource at low cost, pollution-free, refinement and high value-added, a novel technical route was proposed to collaboratively produce zeolite and hydrotalcite-like compound. In this study, the changing property of slag in the treatment process was investigated and the thermodynamic and kinetic analyses …