Performance of Nickel Slag as a Stabilization Material …
nickel slag material was finely ground using a crushing machine; this was done to enhance the reactivation of stabilization material (Janz & Johansson, 2002). Testing of Unconfined Compressive Strength The test specimens in this research are cylindrical with a diameter of 5 cm and a height of 10 cm. The variations
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(PDF) Potential Utilization of PT Vale Indonesia Tbk Slag as …
Nickel slag is one kind of nickel ore smelting waste after the combustion process. Production of nickel slag PT. Antam Pomalaa Kolaka Southeast Sulawesi province during the period 2011-2012 period ...
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New Slag for Nickel Matte Smelting Process and …
than 0.5 Pa.s, suitable for the nickel matte smelting process. C. P Cge of the N S To compare the phase change of the new slag system and the original slag of the flash smelting process, CaO was added to the practical original slag to reach the required content with decreasing SiO 2 content. At the same time, the MgO content was set at 9 pct ...
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The Concept of Dumping Nickel Slag Processing with Preliminary
The present study considers various technological approaches to the processes of complex utilization of nickel slags with preliminary additional extraction of non-ferrous metals, iron, and ways of utilization of the obtained gangue. The valuable components are often produced from waste using the mineral acids or mixtures; the metals are extracted from acid solutions in a …
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(PDF) Prospective Life Cycle Assessment at Early Stage of …
nickel slag, whereas steel slag is most commonly studied for CCU ... Crushing and grinding are assumed, per kg slag, to consume. 0.014752 kWh of e lectricity, then 0.006 MJ for mechanical handling
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Effects of incorporating large quantities of nickel slag with …
Then, the effects of nickel slag sand with varying substitution methods on the strength and pore structure of cement-based materials were investigated by mechanical tests, …
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Non-destructive prediction of strength of concrete made …
Locally available natural sand, nickel slag sourced from New Caledonia and their combination were used as fine aggregate. The nickel slag, which is also known as ferronickel slag, was tested as per AS 2758.1 [25] and found suitable as a fine aggregate for concrete. Besides, crushed stone chips, recycled aggregate and their combination were used ...
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Effects of incorporating large quantities of nickel slag with …
Nickel slag (NS) is the solid slag produced by smelting nickel–iron alloy, usually spherical particles with a particle size of 0–5 mm. Its main chemical composition is SiO 2, ... The MS was crushing basaltic rocks produced by Shijiazhuang Deze Mineral Products Company. The crushing index was 5.2% and the fineness modulus was 2.6.
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Recovery of Valuable Metals from Nickel Smelting …
However, considering the complex forms in which valuable metals occur in nickel slag, high yields are difficult to achieve by direct flotation. In …
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Recovery of Valuable Metals from Nickel Smelting Slag …
However, considering the complex forms in which valuable metals occur in nickel slag, high yields are difficult to achieve by direct flotation. In this study, nickel slag was modified by reduction and sulfurization to render it more amenable to metal recovery through flotation.
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Exploration study of nickel slag/modified slag in the ultra …
Nickel slag is the solid waste obtained from the nickel smelting process. Based on the magnetic elements in nickel slag, it is a potential ingredient that could be used in magnetic compound fluid (MCF) polishing. This work discusses polishing in …
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Analyzing feasibility of a new nickel slag valorization …
How to identify the most sustainable scenarios ? The 36 least sustainable scenarios are with CO2 capture from direct output streams of a gaz power plant. Which are the most sustainable scenarios for a new nickel slag valorization sector ?
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Slag
CHAENG (Great Wall Machinery) can undertake 20 tons --1.5 million tons of Blast furnace slag/Steel slag/Nickel slag/Manganese slag powder production EPC projects. Up to now, CHAENG has constructed more than 100 slag grinding production lines at home and abroad.
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Effects of incorporating large quantities of nickel slag with …
Then, the effects of nickel slag sand with varying substitution methods on the strength and pore structure of cement-based materials were investigated by mechanical tests, mercury intrusion porosimetry (MIP) and scanning electron microscopy (SEM).
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Recovery of Valuable Metals from Nickel Slag: A …
Nickel slag (NS), generated mainly during nickel (Ni) smelting, and classified as a potentially harmful solid waste, is an important secondary resource containing not only valuable metals, such as Ni, Cu, Fe, and Co, but …
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Stainless Steel Slag/Nickel Slag Processing Line
The solution is designed according to the nature characteristics of nickel-iron slag, using the concept of recovering coarse particles before fine particles, which avoids the damage to the crusher caused by large pieces of nickel-iron alloy …
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A Crucial Step Toward Carbon Neutrality in Pyrometallurgical …
This study aims at recovering valuable metals from nickel slag by employing pyrometallurgical techniques. A large amount of slag is generated during the nickel matte smelting. Nickel slag contains valuable elements such as copper, nickel, and cobalt, which can be …
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ASR potential of nickel slag fine aggregate in blast furnace slag …
Nickel slag, a by-product of nickel smelting, is produced during the pyrometallurgical process of nickel ore in an electric arc furnace [1], [2]. After cooling and crushing, the nickel slag grains are mostly angular in shape, and have low water absorption, high strength and high deformation resistance [3], [4] .
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Exploration study of nickel slag/modified slag in the ultra …
Nickel slag is the solid waste obtained from the nickel smelting process. Based on the magnetic elements in nickel slag, it is a potential ingredient that could be used in magnetic …
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Slag Grinding Plant Manufacturers
Primarily designed for the purpose of grinding, this plant is capable of processing a wide range of materials, including limestone, raw meal, slag, nickel slag, manganese slag, cement, ground granulated blast-furnace slag (GGBS) powder, fly ash, coal, clinker, and more.
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Nickel Slag
Air-cooled nickel slag is brownish-black in color. It crushes to angular particles but has a smooth and glassy texture. The specific gravity of air-cooled nickel slag may be as high as 3.5, while …
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Review on comprehensive utilization of nickel laterite ore
The large volumes of nickel–iron slag generated during electric furnace smelting are typically disposed of in landfills, occupying vast areas of land and causing environmental pollution. This presents a significant challenge to the sustainable development of …
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A Crucial Step Toward Carbon Neutrality in Pyrometallurgical …
This study aims at recovering valuable metals from nickel slag by employing pyrometallurgical techniques. A large amount of slag is generated during the nickel matte …
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Recycling of Nickel-Slag Tailings into Liquid Products: A
This information was used to design an integrated process for reprocessing of nickel-slag tailings. The first step is to hold the slag/metal melt in a crucible for 15 min at 1300–1400°C, resulting in formation of a nickel-rich (15–18%) matte melt at the bottom. After this melt cools and hardens, it is removed from the crucible, separated ...
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(PDF) Nickel recovery from metallurgical slags
Nickel recovery was 29.7%. This pre-concentrate was then treated in a second (concentration) plant. Concentration treatment involves screening, crushing and magnetic separation.
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A Crucial Step Toward Carbon Neutrality in Pyrometallurgical …
Nickel is an important non-ferrous metal which is widely used in machinery, architecture, steelmaking, military, and other fields due to its physical and chemical properties [1,2,3].During the production of nickel, about 6–16 tons of nickel smelting slag is generated per ton of nickel produced [1, 4].The slag usually contains some valuable elements such as …
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Stainless Steel Slag/Nickel Slag Processing Line
The solution is designed according to the nature characteristics of nickel-iron slag, using the concept of recovering coarse particles before fine particles, which avoids the damage to the crusher caused by large pieces of nickel-iron alloy that cannot be crushed.
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Nickel Slag
Air-cooled nickel slag is brownish-black in color. It crushes to angular particles but has a smooth and glassy texture. The specific gravity of air-cooled nickel slag may be as high as 3.5, while the absorption is quite low as 0.37%.
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Recovery of Valuable Metals from Nickel Slag: A Descriptive …
Nickel slag (NS), generated mainly during nickel (Ni) smelting, and classified as a potentially harmful solid waste, is an important secondary resource containing not only valuable metals, such as Ni, Cu, Fe, and Co, but also hazardous elements, such as As and Pb.
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Analisis Pemanfaatan Limbah Terak Nikel (Slag) sebagai …
The amount of tailings slurry produced annually in Indonesia is up to 25.6 million tons, compared to 13 million tons of nickel slag. Nickel slag can be recycled since it contains valuable metals, including nickel, cobalt, and copper. The chemical composition of 70% nickel slag is 41.47% Silica, 30.44% Ferric Oxide, and 2.58% Alumina.
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