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seperating nickel from nickel ore
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An Overview of Nickel Utilization from Laterite Ore
The nickel–cobalt alloy is a kind of permanent magnetic material and is widely used in the field of electronic remote control, atomic energy industry and ultrasonic technology [ 6, 7, 8 ]. Besides, in chemical industry, nickel and its alloys are usually used as catalysts for hydrogenation reactions. Fig. 1.1.
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Pre-concentration of nickel in laterite ores using physical separation
The chemical assays of the laterite samples are provided in Table 2. The nickel head grade of ores L, I and S (at <300 μm size fraction) was found to be 1.2%, 1.1%, and 3.0%, respectively. Nickel was found, more or less, at the same grade in all size fractions in these laterite ore samples.
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Hydrometallurgical process for the separation and recovery …
Hydrometallurgical process for the separation and recovery of nickel from sulphate heap leach liquor of nickeliferrous laterite ores. S. Agatzini-Leonardou., P.E. …
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Direct Extraction of Nickel and Copper from Low-Grade …
present, about 60% of the world's nickel comes from nickel sulfide ore due to mature nickel-refining technology. However, with the continuous exploita-tion of nickel sulfide ore resources for many years, the resources of high-grade and easy-to-treat nickel sulfide ore have been decreasing year by year, and
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Selective Separation of Iron from Simulated Nickel Leach …
The dosage of resins was varied from 0.1 to 0.5 g/mL to study the impact of resin type and dosage on iron separation from simulated nickel leach solution containing 25 g/L Ni(II) and 25 g/L Fe(III) at pH 1.5. ... Li B, Fu Y (2010) Removal of iron from acidic leach liquor of lateritic nickel ore by goethite precipitate. Hydrometallurgy 101:84 ...
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How can I seperate copper from nickel? | ResearchGate
Copper often can be found in the nickel-bearing ore, while nickel is always present in the copper-bearing ore. ... find some equipment to crush and grind the ore, and separate out the worthless ...
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High-Grade Ferronickel Concentrates Prepared from Laterite …
Nickel is widely used in industrial processes and plays a crucial role in many applications. However, most of the nickel resource mainly exists as nickel oxide in laterite nickel ore with complex composition, resulting in difficulty in upgrading the nickel …
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Separation of nickel and iron from lateritic ore using a …
This paper investigates extraction of nickel and iron from a lateritic nickel ore from the Caldag region of Manisa in Turkey. The ore sample contains 1.2% Ni, 24.77% Fe and 0.062% Co.
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Study on selective reduction and magnetic separation of …
The reduced ore was then upgraded by magnetic separation, 75 per cent of the total mass being rejected as tailings, and a high grade nickel concentrate, assaying 5.1 per cent Ni and 82.66 per cent ...
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Efficient Synchronous Extraction of Nickel, Copper, …
Separation and recovery of iron and nickel from low‒grade laterite nickel ore using reduction roasting at rotary kiln followed by magnetic separation technique.
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Comprehensive Review on Metallurgical Upgradation Processes of Nickel
With the vigorously growing demand of the steel industry, corrosion resistance alloys, clean energy industries, and a variety of engineered infrastructure or technology, high-grade nickel ores are being exhausted gradually in the world. This review outlines metallurgical processes for nickel production from various nickel sulfide ores …
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Preparing Ferro-Nickel Alloy from Low-Grade Laterite Nickel Ore …
Nickel, a valued metal, mainly exists as nickel oxide in laterite nickel ore. Furthermore, a large part of the laterite nickel ore is low-grade saprolitic ore. In this paper, a research on preparing ferro-nickel alloy from low-grade saprolitic laterite nickel ore using metallized reduction-magnetic separation was studied. In the research, the carbothermic …
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Extraction of ferronickel concentrate from laterite nickel ore …
Nevertheless, when reduction roasting–magnetic separation is used to treat laterite nickel ore with low nickel content, increasing the dosage by approximately 8–20% inevitably reduces equipment life and increases cost (Liu et al.,2021). Therefore, improving the grades and recoveries of iron and nickel is of major significance.
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The reduction of nickel from low-grade nickel laterite ore …
1. Introduction. In recent years, there has been an increased focus on the utilisation of low-grade nickel laterite ore, along with a growing demand for stainless steel and a declining supply of sulphide ores (Zhai et al., 2010).Among these sulphide ores, nickel laterite ore comprises 73% of the world's nickel resources and will be the …
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Recovery of iron and nickel from nickel laterite ore by direct
Reduction roasting and magnetic separation experiments illustrate that when the nickel laterite ore with the addition of 7% NCS as the additive and 2% soft coal as the reductant roasts for 50 min ...
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NICKEL AND COBALT ORES: FLOTATION
enriching the nickel content of the ore. This is com-monly carried out by magnetic separation, Sotation, or a combinationof both after the ore is comminuted to below 200 m in size. The enrichment depends upon the degree of rejection of the other sulRde and non-sulRde gangue. The maximum grade of nickel achieved by Sotation is around 28% Ni.
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Separating Nickel from Copper
Step 3: Finally, you can use electrolysis to separate nickel and copper. This process passes an electric current through two electrodes submerged in an electrolyte solution containing both metals. The electrical current causes one metal (in this case, nickel) to be deposited onto one electrode while the other metal (copper) remains in …
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Separation and Recovery of Iron and Nickel from Low-Grade …
Article. Separation and Recovery of Iron and Nickel from Low-Grade Laterite Nickel Ore Using Reduction Roasting at Rotary Kiln Followed by Magnetic Separation …
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Production of Ferronickel Concentrate from Low-Grade …
Introduction. As an important metal, nickel has an important position in industrial production due to its good physicochemical properties [1,2]. Nickel resources mainly exist in the …
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A New Process for Cobalt Nickel Separation
excellent cobalt-nickel separation primary leach liquor by Cyanex 272. However, manganese extraction from the leach liquor along with cobalt could not be avoided, thus increasing the cost of the process. For sulphide ores, there is another alternative; if the ore can be concentrated by flotation, matte smelting is used instead of leaching.
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Cobalt and Nickel Separation in Nitric Acid Solution by …
In addition to nickel, limonite ore typically contains 0.1-0.2% cobalt, 0.5-5% magnesium oxide and 40-50% iron.1 Leaching of limonite ore in acid solutions such as sulfuric, hydrochloric and nitric acid would result in a pregnant solution that contains nickel, cobalt, iron, magnesium and some other elements in lower concentrations such as ...
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Pre-concentration of nickel in laterite ores using physical separation
Laterites are generally processed through hydro or pyro-metallurgy and therefore, pre-concentration of nickel before such processes is very important. This paper examines the effects of different physical methods on pre-concentration of nickel in laterite ores. The effect of ore mineralogy on choosing the best strategy to upgrade …
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The selective chlorination of nickel and copper from low-grade nickel
The extraction rate of nickel, copper, iron, and magnesium of 91.6%, 88.5%, 28.4%, and 16.4% was obtained under the optimal conditions that the roasting time was 3 h, the roasting temperature was 450 °C, the mass ratio was AlCl 3 to ore of 1.5:1, the content of O 2 was 20%, and the particle size of the ore was 96–80 μm from the orthogonal ...
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Challenges in processing nickel laterite ores by flotation
They used dense medium separation ahead of flotation of a low-grade nickel ore at Tati Nickel Mine in Botswana. However, ... The reverse flotations was used to separate iron from nickel mineral using amine thioacetate, as collector (Purwanto et al., 2011). One stage rougher reverse flotation resulted in 0.5% nickel grades (at 33% …
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Upgrade of nickel and iron from low-grade nickel laterite by …
2.1 Materials 2.1.1 Nickel laterite ore. The chemical composition of nickel laterite as received from Philippines employed in the study is shown in Table 1.It indicates that the nickel laterite contains 1.29 wt.% Ni, 16.31 wt.% Fe, 32.28 wt.% SiO 2 and 27.38 wt.% MgO with both high Fe/Ni of 12.64 and MgO/SiO 2 of 0.85, while the impurity …
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Ferronickel enrichment by fine particle reduction and
Ferronickel enrichment and extraction from nickel laterite ore were studied through reduction and magnetic separation. Reduction experiments were performed using hydrogen and carbon monoxide as reductants at different temperatures (700–1000°C). Magnetic separation of the reduced products was conducted using a SLon-100 cycle …
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Extraction of Nickel from Magnesia–Nickel …
In this study, segregation roasting and magnetic separation are used to extract nickel from a garnierite laterite ore. The garnierite laterite ore containing 0.72% Ni, 0.029% Co, 8.65% Fe, 29.66% ...
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Separation of cobalt and nickel from chloride leach solution of nickel
In the present study, a complete separation of copper over nickel has been studied from an ammoniacal leach liquor of nickel laterite ore generated via the Caron process.
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Efficient enrichment of nickel and iron in laterite nickel ore …
The process of deep reduction and magnetic separation was proposed to enrich nickel and iron from laterite nickel ores. Results show that nickel–iron concentrates with nickel grade of 6.96%, nickel recovery of 94.06%, iron grade of 34.74%, and iron recovery of 80.44% could be obtained after magnetic separation under the conditions of …
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Gypsum utilization on selective reduction of limonitic laterite nickel
Indonesia is one of many countries in the world with plentiful nickel deposits. The nickel deposit of Indonesia is 3.9 million tons, out of a total of 74 million tons of nickel ore deposits in the world. With 3.9 million tonnes of deposits, Indonesia is in the 6th position (among the world) and 3rd place for laterite nickel ore deposits [2].
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Separation and recovery of iron and nickel from low-grade …
An effective strategy to achieve separation and recovery of iron and nickel from low-grade laterite ore via microwave carbothermic reduction roasting is reported. In …