A hydrometallurgical method is discussed to selectively extract base metals such as copper, cobalt, nickel and iron from the copper granulated slag (0.53% Cu) at atmospheric pressure. It involves first-stage leaching of slag with organic (citric acid) to selectively recover cobalt, nickel and iron.
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DOI: 10.1016/j.conbuildmat.2023.133374 Corpus ID: 262097785; Alkali-silica reaction of high-magnesium nickel slag fine aggregate in alkali-activated ground granulated blast-furnace slag mortar
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Alkali activation of ground granulated blast furnace and other metallurgical slags (e.g., copper slag, nickel slag, steel slag) produces binders with comparable mechanical properties as ordinary Portland cement (OPC), but with relatively low greenhouse gas emission and embodied energy consumption [1,2,3].
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Granulated nickel slag is essentially an angular, black, glassy slag "sand" with most particles in the size range of minus 2 mm (No. 10 sieve) to plus 0.150 mm (No. 100 sieve). (15) It is more porous, with lower specific …
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ABSTRACT A hydrometallurgical method is discussed to selectively extract base metals such as copper, cobalt, nickel and iron from the copper granulated slag (0.53% Cu) at atmospheric pressure. It involves first-stage leaching of slag with organic (citric acid) to selectively recover cobalt, nickel and iron. The residue containing high …
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To address this challenge, this study proposes the use of high magnesium nickel slag (HMNS) as an alternative to river sand in alkali-activated ground granulated blast furnace slag (AAS) mortars. The length changes of mortar bars were measured, and a series of characterizations were conducted to assess phase assemblage and …
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ABSTRACT A hydrometallurgical method is discussed to selectively extract base metals such as copper, cobalt, nickel and iron from the copper granulated slag (0.53% Cu) at atmospheric pressure.
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Influence of granulated gradation nickel slag aggregate on compressive strength of concrete has been investigated. In this study, the influence of granulated gradation nickel slag aggregate with aggregate size LS 9.50 mm, LS 5.60 mm, LS 2.36 mm, LS 2.00 mm and the combination of those fourth aggregate size on compressive …
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Nickel slag is a granulated slag formed by natural cooling or water quenching of a melt formed during the smelting process of nickel metal, which contains …
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DOI: 10.1016/j.cscm.2023.e02224 Corpus ID: 261633870; Effects of silicate modulus and alkali dosage on the performance of one-part electric furnace nickel slag-based geopolymer repair materials
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The results indicate that water-granulated secondary nickel slag, stimulated by several stimulators, is consisted of glass phases and crystals that hydrate into …
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1.1.1 History of Blast-Furnace Slag. The latent hydraulic reactivity of granulated blast-furnace slag (gbfs) was discovered in 1862 by Emil Langen in Germany (Lea 1971; Smolczyk 1978).The first use of slags in cements dates back to 1865, when in Germany a slag-lime cement was commercially produced.
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The experimental results revealed that the maximum flexural and compressive strength of nickel slag sand using a full-size substitution group corresponded to an optimal dosage of 30%, while the ...
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The results indicate that water-granulated secondary nickel slag, stimulated by several stimulators, is consisted of glass phases and crystals that hydrate into ettringite and alluminosilicate gel ...
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This research aims to investigate the influence of nickel slag concentration to compressive strength, flexural strength, and microstructure of geopolymer composite.
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In this study, the influence of granulated gradation nickel slag aggregate with aggregate size LS 9.50 mm, LS 5.60 mm, LS 2.36 mm, LS 2.00 mm and the …
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This research investigates the use of nickel slag as the replacement of sand in concrete. Various concrete samples were produced with the increasing nickel slag content from 0% to 50% every 10%. A water-cement-ratio of 0.35 was chosen in this study. Concrete mixes were assessed for their compressive strength and workability.
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GRANULATED NICKEL MATTE (LESS THAN 2% MOISTURE CONTENT) ... IRON AND STEEL SLAG AND ITS MIXTURE Description n the second paragraph, I replace "if necessary the cargo is transported" with "if necessary. The cargo is transported". IMSBC CODE 2018 EDITION – Errata and Corrigenda – November 2018 7 IRON OXIDE …
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DOI: 10.1016/J.CONBUILDMAT.2014.01.038 Corpus ID: 135612650; Geopolymer prepared with high-magnesium nickel slag: Characterization of properties and microstructure @article{Yang2014GeopolymerPW, title={Geopolymer prepared with high-magnesium nickel slag: Characterization of properties and microstructure}, author={Tao …
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Granulated copper-nickel matte (Feinstein) which has its specific features was studied in ... Method of Continuous Converting of Nickel-Containing Copper Sulfide Materials to Blister Copper, Dump Slag, and Copper–Nickel Alloy [in Russian], Patent 2625621 RF, IPC S22V15/00, No. 2015146716; appl. Apr. 1, 2016; publ. Jul. 17, 2017, …
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The resulting furnace slag is granulated and later milled and floated to recover matte. A project was initiated to investigate the distribution of nickel in the slag …
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Granulated nickel slag is essentially an angular, black, glassy slag "sand" with most particles in the size range of − 2 mm (No. 10 sieve) to + 0.150 mm (No. 100 sieve). It is …
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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 …
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Nickel slag is a granulated slag formed by natural cooling or water quenching of a melt formed during the smelting process of nickel metal, which contains FeO, SiO 2, Al 2 O 3 and MgO as the main components [1]. For every ton of nickel produced, about 6–16 tons of nickel slag are generated and discharged in China [2]. In …
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Effect of supplementary cementitious materials on properties of 3D printed conventional and alkali-activated concrete: A review. Mehrab Nodehi, ... Aliakbar Gholampour, in Automation in Construction, 2022. 2.3.1.1.1 Blast furnace slag. According to ASTM C989-18 [59], granulated blast furnace slag (GBFS) is defined as a glassy granular material formed …
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The cleaned slag from the electric furnace is water granulated. Slag production is about 200 000 tons per year and the slag is classified as normal waste according to Finnish and European standards. Part of the slag is utilized for sandblasting abrasive and in building material industry but the major share of the slag is landfilled to the
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This article suggests that the slag for nickel smelting is adjusted by increasing the amount of lime, partly instead of quartz, to ... Then, the phase analysis of the water-granulated slag was made. XRD patterns were recorded with an X-ray diffractometer (Rigaku D/max2400, Japan) using Cu Ka radiation (k = 1.5444 A) operating at 42 kV and
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In this study, the influence of granulated gradation nickel slag aggregate with aggregate size LS 9.50 mm, LS 5.60 mm, LS 2.36 mm, LS 2.00 mm and the combination of those fourth aggregate size on compressive strength and microstructure of concrete has reported. The concrete was prepared according to SNI 03-1972-1990.
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Conventionally, little chemical adjustments are made to the slag prior to its processing for subsequent use or disposal. However, recent attempts have looked into modifying the chemical composition of slag while hot, to render its chemistry and properties suitable for high-value products or recovery of minerals/metals from slag [11, …
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Hardened cement pastes with nickel slag show less mass loss caused by dehydration of C–S–H, C–A–S–H, and C–A–H gel phases than the control sample without nickel slag. The SEM images reveal that the abundant platelike C–S–H can be observed in the cement paste with 30% nickel slag addition.
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This study investigated the alkali-silica reaction (ASR) of air-cooled and water-quenched high-magnesium nickel slag (HMNS) fine aggregates in alkali …
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Effects of main stimulators(i.e.,flue gas desulfurization gypsum and carbide slag) and auxiliary stimulators(i.e.,Na2SO4 and cement clinker) on the hydration process and microstructure of water-granulated secondary nickel slag were investigated via the measurement of filling material strength,infrared spectroscopic analysis and thermal …
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In this study, the influence of granulated gradation nickel slag aggregate with aggregate size LS 9.50 mm, LS 5.60 mm, LS 2.36 mm, LS 2.00 mm and the …
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A hydrometallurgical method is discussed to selectively extract base metals such as copper, cobalt, nickel and iron from the copper granulated slag (0.53% Cu) at atmospheric pressure.
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DOI: 10.1016/J.AEJ.2020.12.058 Corpus ID: 236303073; Properties and hydration characteristics of mine cemented paste backfill material containing secondary smelting water-granulated nickel slag
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A heavy amount of slag (2.2 tons per ton of copper) is generated during the pyro or hydrometallurgical copper production which generally contains significant amounts of some valuable metals such as copper, nickel, cobalt, and iron [1,2].In the last few decades, there has been growing interest in hydrometallurgical processes to recover …
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This research aims to use high-magnesium nickel slag crushed into a powder as a replacement for cement and to study their properties and microstructure in …
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Section snippets Materials. The maximum particle size of the granulated slag was about 5 mm.It was ground using a laboratory ball mill to a fineness of 500 m 2 /kg. The specific surface area of the ground slag was determined using the Blaine's air permeability method according to the ASTM C204-11 Standard [24].The photographs of the raw slag …
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In order to improve the pozzolanic activity of high-magnesium nickel slag, this study produced a phase separation structure of high-magnesium nickel slag by activation treatment, and studied the ...
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