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AN EXPERIMENTAL INVESTIGATION ON STRENGTH PROPERTIES OF COPPER SLAG
Patil et al observe the Performance of Copper Slag as Sand Rep lacement in Concrete. M30 concrete . was used and various test s like compressive, ... Co pper slag is an irregular, ...
Recovery of metal values from copper slag and reuse of …
Flotation of ground copper slag was also studied by Bruckard et al. (2004). According to them, using a two-stage flotation process, 80–87% Cu can be recovered from the copper slag. Using additives with ground copper slag, Guo et al. (2016) performed re-melting followed by flotation and magnetic separation to recover Cu and Fe. They …
Blast Furnace Slag
Blast furnace slag is used successfully in mud-to-cement conversion worldwide because of its economic, technical, and environmental advantages (Pessier et al., 1994). Slag-mix slurries were used as primary, temporary abandonment and sidetrack plug cements during prospect predrilling in the Gulf of Mexico.
Effect of Cooling Rate and Slag Modification on the …
The amount of copper flash smelting slag has increased during the recent years along with an increasing slag-to-metal ratio. During slag tapping, some copper sulfide is mechanically entrained. As a result, it is necessary to recover copper matte from the slag by suitable methods. At present, the most common way is slow, controlled cooling in a …
Performance of Copper Slag on Strength Properties as …
Water-cooled copper slag was found to have variable effects on the resulting concrete properties, depending on the sand replacement level and water to cement ratio; however most mixes with copper ...
[PDF] Mechanical and leaching behaviour of slag-cement …
Semantic Scholar extracted view of "Mechanical and leaching behaviour of slag-cement and lime-activated slag stabilised/solidified contaminated soil." by R. Kogbara et al.
Review of the characteristics and graded utilisation of coal
Du et al. [100] used thermogravimetry to study the combustion characteristics of gasification slag alone and the co-firing slag and coal, and found that there was a significantly synergistic effect of the co-combustion of gasification slag and raw coal, which could notably improve the combustion characteristics of gasification slag. Under a ...
Characterization of Copper Slag | SpringerLink
Copper slag can be treated as a secondary resource since it usually contains a substantial amount of copper and other valuable metals. Characterization of the slags to determine the expected metal recovery is essential for the design of separation flow sheets. In...
Investigation on the Slag-Steel Reaction of Mold Fluxes Used …
The reaction between [Al] in molten steel and (SiO2) in the liquid slag layer was one of the restrictive factors in the quality control for high Al-TRIP steel continuous casting.
Copper Slag
Copper slag is a type of dense, hard, and wear-resistant glass phase, which can be applied in the construction industry as a building foundation, subgrade material, Portland cement …
Basicity and Acidity of Slag | SpringerLink
The basicity and acidity of silicate slag directly affect the polymerization and other structural characteristics of silica anions, thereby affecting the chemical and physical properties of the slag, such as its ability to deoxidize, desulfurize, and dephosphorize, and also controls the activity of certain oxides in the slag.
Numerical Simulation of Slag Eye Formation and Slag
A transient mathematical model is developed for simulating the bubble-steel-slag-top gas four-phase flow in a bottom-blown argon-stirred ladle with a 70-ton capacity. The Lagrangian discrete phase model (DPM) is used for describing the moving behavior of bubbles in the steel and slag. To observe the formation process of slag eye, …
Utilisation of glass powder in high strength copper slag …
This study was focused on the use of partial replacement of cement with glass powder in high strength concrete and also copper slag as a partial replacement of coarse sand in concrete.
Copper Slag, A Solution and an Alternative to River Sand …
This paper communicates organized work on copper slag drawn from scientific literature which comprises evaluation of physical and chemical characteristics, mechanical and durability properties in ...
Basics of slag production
Slags from the Iron and Steel Industry. Background 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.
Investigation on Utilizing of Steel Slag as a Partial
This chapter presents a study aimed at investigating the utilization of steel slag as a partial replacement of natural river sand as a fine aggregate in concrete production. It is difficult to produce iron in a blast furnace without first producing steel by-products,...
Effect of Cooling Rate and Slag Modification on the …
higher-grade copper slag concentrate at a cooling rate of 2 °C/min, and that a proper holding time was favorable for increasing the (molten) copper-containing phase.
TMS International
Slag is sometimes erroneously classified as industrial waste. In fact, this product can be recycled into valuable, versatile construction materials for green use. We utilize slag, a product of steelmaking, in versatile construction material for environmentally beneficial use. Applications include road construction, asphalt, ready-mix concrete ...
Steelmaking Slag
Steelmaking slag, or steel slag, is a by-product from the production of steel during the conversion of hot metal to crude steel in a basic oxygen furnace, or during the melting of scrap in an EAF.
Characteristics and environmental aspects of slag: A review
Slag is a waste product from the pyrometallurgical processing of various ores. Based on over 150 published studies, this paper provides an overview of mineralogical and geochemical characteristics of different types of slag and their environmental consequences, particularly from the release of potentially toxic elements to water.
Comprehensive review on metallurgical recycling and …
Copper slag, generated mainly during copper smelting, and classified as a potentially harmful waste, is an important secondary resource containing not only …
The Use of Granulated Copper Slag as Cement Replacement …
This research studies the use of waste copper slag as a cement replacement in high-performance concrete (HPC). To obtain two level of fineness, the copper slag was milled using a ball mill.
Copper Slag as a Source of Iron: An Overview | SpringerLink
The production of Copper slag occurs during the smelting of Cu, and it contains various compounds, including oxides of Fe, Cu, Co, Al, Si, Ni, Cr, and Ca. A significantly smaller percentage is utilised for low-end applications and is mainly dumped, thus occupying...
Two-stage method recovery of metals from copper slag: …
The recovery of metal from copper slag is of great significance to the resource utilization of copper slag and the sustainable development of copper s…
Sustainable and Comprehensive Utilization of Copper Slag: A …
Thus, implementing technologies of slag treatment is a complex and challenging task. Within this paper, application options, the environmental behavior, and …
NewCem | Holcim US
NewCem® Slag Cement is a finely ground, granulated blast furnace slag (GGBFS) available to blend with conventional Portland cement to deliver a strong, high-quality, durable concrete. Concrete production utilizing NewCem consumes less energy and offers improved efficiency and building performance.
The potential for copper slag waste as a resource for a …
Copper slag waste is considered a potential world resource owing to the huge amounts being produced annually worldwide which contain significant amounts of valuable metals (Phiri et al., 2021). The global copper slag production is estimated at 752 million tons for the period between 1999 and 2019 from the 13 main producing countries (Fig. 2).
Effect of copper slag, iron slag and recycled concrete aggregate …
Even considerable studies focused on other industrial waste iron slag, Shettima et al. (2016) studied the mechanical properties on concrete with the inclusion of iron ore tailings, Further Singh and Siddique (2016) investigated the impacts of iron slag as a partial replacement of fine aggregate in self-compacting concrete to evaluate its ...
Slag Abrasives
Coal and copper slag are the most common variety of low-cost abrasives, available for outdoor, non-reclaiming applications.
Comprehensive utilization of steel slag: A review
It was discovered that the hydration environment provided by steel slag promoted the hydration of steel slag [46]. In addition, the high Al content of the slag contributed to the cement's early high strength.
Copper Slag Is a Good Alternative to Coal Slag
Although, Black Beauty abrasive products such as Black Diamond sand are often used to remove rust from steel a flaky or very deteriorated surface, copper slag is more suitable for this cleaning process than slag coal. Copper slag is a byproduct resulting from smelting iron silicates, which results in a more refined abrasive product.
Influence of slag chemistry on the hydration of alkali-activated blast
Introduction. Alkali-activated binders based on ground granulated blast-furnace slag represent a viable and sustainable alternative to Portland cement since they use by-products of other industrial manufacturing processes.
Effect of copper slag as a fine aggregate on the properties …
Also, copper slag exhibits pozzolanic properties since it contains a low CaO content and other oxides such as Al 2 O 3, SiO 2, and Fe 2 O 3. Use of copper slag in the concrete industry as a replacement for cement and/or fine aggregates can has the benefits of reducing the costs of disposal and helps protecting the environment.
The influence of steel slag and ferronickel slag on the properties …
Conversely, the slag-steel slag-fly ash and slag-fly ash systems showed poorer compact of the ITZ, which was attributed to increased unreacted precursors and shrinkage cracks. This phenomenon primarily accounted for the superior residual stresses observed in the cement and slag-steel slag systems.
STRENGTH AND DURABILITY PROPERTIES OF COPPER SLAG …
The present work investigates copper slag as a substitute for river sand in high-strength concrete. The concrete mixtures were manufactured with 10%, 30%, 50%, 70%, and of copper slag to ...
Comprehensive utilization of steel slag: A review
Most steel slag cannot be utilized in time and is buried or stored in the open, occupying a significant amount of land. Moreover, steel slag contains numerous …
Utilization of copper slag in cement and concrete
Semantic Scholar extracted view of "Utilization of copper slag in cement and concrete" by C. Shi et al.
Role of slag in microstructural development and hardening …
Semantic Scholar extracted view of "Role of slag in microstructural development and hardening of fly ash-slag geopolymer" by Sravanthi Puligilla et al.
CHAPTER 1: Introduction: Metallurgical Slags
Slags are by-products generated by the pyrometallurgical processing of both ferrous and non-ferrous metal ores and secondary resources (recycling). They are …