Aggregate may be categorized into natural aggregate, such as sand, gravel, and crushed stone; and manufactured aggregate, such as slag, recycled concrete, and artificial aggregates. The term granular is also used to refer to the particulate material that contains any types of aggregate that may contain up to 35% particles passing the 75 μm (No ...
Steel slags are industrial by-products of steel manufacturing, characterized as highly calcareous, siliceous and ferrous. They can be categorized into basic oxygen …
Electric Arc Furnace Slag as Coarse Recycled Aggregate for Concrete Production. October 2015; Journal of Sustainable Metallurgy 2(1) ... Slag manufacturing processes, chemical, morphological, and ...
Since practically mined ores contain only 0.65 % Cu [2] and the purity is declining over the years [1,2], 752 MT of copper slag was produced worldwide during the period 1999-2019 with 38 MT ...
This paper investigates the utilization of washing aggregate sludge (WAS) waste generated from a local aggregate quarry and ground granulated blast furnace slag (GGBFS) to manufacture sintered ...
Blast Oxygen Furnace (BOF) slag represents one of the largest waste fractions from steelmaking. Therefore, slag valorisation technologies are of high importance regarding the use of slag as a secondary resource, both in the steel sector and in other sectors, such as the construction or cement industries. The main issue regarding the …
Industrial by-product utilization in concrete has been an important choice of researchers over the years (Khan et al., 2016; Qasrawi, 2014).Steel slag has been utilized as aggregate/cementing material in concrete by various researchers over the years (Faraone et al., 2009).Recycling of metallurgical by-products will ensure the sustainable industrial …
It proves the viability of AABM as an alternative aggregate for ordinary concrete production. Design and characterization of solid waste based self-healing artificial aggregate ... This study investigates the feasibility of utilising high-volume ES along with alkali-activated slag to manufacture cold-bond artificial aggregates. The effects of ...
GGBS for low carbon concrete production. Our portfolio of innovative, high-quality products includes Ground Granulated Blast Furnace Slag (GGBS), a cement addition providing an optimal mix of environmental benefits and performance. A by-product of the iron industry, GGBS is made when blast furnace slag is finely ground into a powder.
The aggregate consists of pelletized particles produced from a mixture of hydrated lime and electric arc furnace (EAF) slag. The pellets were injected into CO2 gas at a constant pressure of 0 ...
Semantic Scholar extracted view of "Production of artificial aggregates from steel-making slag: Influences of accelerated carbonation during granulation and/or post-curing" by Yi Jiang et al. ... Steel slag is the main by-product of the steel industry and can be used to produce steel slag fine aggregate (SSFA). SSFA can be used as a fine ...
Manufacturing non-sintered ceramsite from dredged sediment, steel slag, and fly ash for lightweight aggregate: production and characterization Environ Sci Pollut Res Int . 2024 Feb;31(10):15078-15090. doi: 10.1007/s11356-024-32044-3.
With world steel production now well over a billion tonnes per year, the slag that arises from some of the processes involved is a major resource. Traditionally it has been used mainly as an aggregate but for some types there are other applications, such as a raw material for cement or as a fertiliser.
This paper reviews the production, processing, and characteristics of steel slag, and its use as a cementing component in different cementing systems. The …
aggregate for concrete production has been shown to be a promising valorisation, when physical and chemical sta-bility is guaranteed. Additionally, EAF slag's high ... analysis, the cross section of the slag aggregate was Table 1 Main physical properties of the aggregates EAF slag NA-sand NA-gravel Size (mm) 4–16 0–4 4–16
Request PDF | Manufacturing non-sintered ceramsite from dredged sediment, steel slag, and fly ash for lightweight aggregate: production and characterization | Green and low-carbon materialization ...
Electric arc furnace (EAF) slag is a by-product of steel production in electric arc furnaces. Several studies have tried to demonstrate its suitability in civil engineering application, such as in bituminous mixtures and cement-based materials, due to its good physical, chemical and mineralogical properties. Particularly the re-use as coarse …
Steel slag is a byproduct of steel manufacturing that can replace coarse aggregate due to a higher impact and crushing strength, better anti-skid capacity due to angularity, higher …
Steel slag is a solid waste produced in crude steel smelting, and a typical management option is stockpiling in slag disposal yards. Over the years, the massive production of steel slags and the continuous use of residue yards have led to vast occupation of land resources and caused severe environmental concerns. Steel slag …
Slag Production. Slag is not a waste product, but rather an intentional byproduct or co-product of ironmaking and steelmaking processes. The molten slag surface layer that forms on top of molten …
The first United States production was in 1896. Until the 1950's, granulated slag was used in the manufacture of blended portland cements, or as raw feedstock to make cement clinker. However, in the 1950's, slag cement became available in other countries as a separate product. ... Blast furnace slag aggregate comes in two forms: Air cooled ...
Introduction. Steel slag is a byproduct of the steel manufacturing process, formed when impurities are added to iron ore in blast furnaces or basic oxygen furnaces, …
Green and low-carbon materialization for dredged sediment (DS) is limited due to its low pozzolanic activity. In this study, a novel DS-based non-sintered lightweight aggregate (LWA) is developed by steel slag (SS) and fly ash (FA) activation. Process optimization is performed by the response surfaces, and the basic properties and characterization of …
Various wastes have been used in the literature to manufacture artificial aggregates, Like as fly ash and steel slag [10,11,12,13,14]. In this study, ground granulated blast furnace slag (BFS) was chosen to be the co-binder, because it is an industrial waste from pig iron production, and it is widely used as a precursor in the production of ...
This research aims to investigate the effect of using electric arc furnace (EAF) steel slag as coarse aggregate in concrete. Properties of fresh and hardened concrete were evaluated for five concrete mixtures with different grades (30, 50 and 70 MPa), and the inclusion of supplementary cementing materials (SCM) such as fly ash class F (FA) …
Utilization of steel slag in construction industry as aggregate and cementitious material for the applications toward bricks production, asphalt mixes, radiation shielding concrete, …
A novel process for the production of angular-shaped high strength fly ash aggregates from an energetic, and environmental perspective is presented in this paper and compared with the production of natural aggregates. This study is significant because there is an increasing demand for aggregates and no published research addressing the …
Utilizing treated steel slag as coarse/fine aggregate in concrete production is a high-value solution that can alleviate the worry about resource depletion and solve …
Furnace Slag (GGBS) in Concrete Production Jawad Ahmad 1, Karolos J. Kontoleon 2, *, Ali Majdi 3, Muhammad T ayyab Naqash 4, Ahmed Farouk Deifalla 5, Nabil Ben Kahla 6, Haytham F .
Pelletization is a worldwide process used in producing artificial aggregates although its usage is not common in Turkey. In this study, lightweight aggregates (LWAs) were manufactured through cold-bonding pelletization of ground granulated blast furnace slag (G) and two types of fly ash with different finenesses (Fly ash A and B). Ordinary …
and blast furnace slag production. ... Pelletized blast furnace slag has been used as lightweight aggregate and for cement manufacture. ed slag has been used as a lightweight aggregate for Portland cement concrete. ... Emery, J.J. "Pelletized Lightweight Slag Aggregate," Proceedings of Concrete International 1980, Concrete Society, April, …
anorthite. The intensity of the peak at 700ºC for the slag is lower than fly ash, which can explained by the finer particle size of the fly ash. -10 0 10 20 30 40 50 60 70 200 400 600 800 1000 1200 1400 TºC µV FA SL Fig.2 DTA traces of IGCC Fly ash. ( )and IGCC Slag( ) The expanding capacity of the ELCOGAS fly ash and slag was followed by ...
Building manufacturing has played a significant part in the urbanization and industrialization that has occurred in recent decades. Approximately 5–10% of global employment is provided by the construction industry, which also accounts for 5–15% of national GDP [].About 40% of overall energy use and 30% of total natural resource …
The aggregate demand occurs due to increased growth rate of construction activities. The insufficiency of aggregates is result of demand which arise problem and it addressed by novel technique for creating non-traditional aggregates to replace traditional coarse aggregates. This work comprises a unique methodology to study the …
