Synergistic coordination-regulated separation of nickel and …
After precipitation separation of nickel, 5 mL of 0.55 mol/L H 2 C 2 O 4 was added to the cobalt-rich solution, and the cobalt precipitation was then monitored for 24 h at 400 r/min and 25 °C. After nickel and cobalt separation, the solution was withdrawn for analysis using the UV absorption spectrum, as shown in Fig. S1. The precipitation ...
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Magnetic separation for recovering iron resources from acid …
1. Introduction. The acid-leaching tailings of laterite nickel ore are a hazardous waste generated by the laterite nickel ore industry [1], [2], [3].As global demand for nickel continues to rise and nickel sulfide resources decrease, the extraction of nickel resources from laterite nickel ores the main development trend of the global nickel industry in the coming …
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Direct Extraction of Nickel and Copper from Low-Grade Nickel …
A new extraction technology of chlorination roasting with a mixture of MgCl2·6H2O and NaCl was investigated to co-extract nickel and copper from low-grade nickel ores. The effects of some key factors on the extraction of nickel, copper, and iron were studied, and the results show that,when the roasting temperature is 850°C, the roasting time is 1.5 h, the mass …
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Separation of copper from nickel in sulfate solutions by
The obtained solutions as well as waste solutions from electrolytic nickel refining process require an efficient separation of copper from nickel, which remains as a challenging task [8], due to the property similarity of these two elements. ... (a zinc-containing ore waste) as an alternative precipitant to CaCO 3 in the separation process was ...
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Separation of nickel and iron from lateritic ore using a …
T1 - Separation of nickel and iron from lateritic ore using a digestion - roasting - leaching - precipitation process. AU - Basturkcu, Huseyin. AU - Acarkan, Neset. PY - 2016. Y1 - 2016. N2 - This paper investigates extraction of nickel and iron from a lateritic nickel ore from the Caldag region of Manisa in Turkey.
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Selective leaching of nickel from mixed nickel cobalt …
Hydrometallurgical processing of nickel laterite ore is complicated by impurities such as chromium, iron, aluminium, manganese and cobalt. ... As a consequence, the separation of nickel from cobalt is a significant challenge for hydrometallurgists. Nickel laterite ore is typically processed by variations of two flowsheets; ammonia leaching of ...
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The Guide to Nickel Processing Methods | Mining Pedia
Nickel is an important non-ferrous metal widely used in many fields such as stainless steel, nickel-based alloys and batteries. The beneficiation process of nickel ore is the process of extracting nickel metal from nickel ore, which varies depending on the type and composition of the ore. This article will introduce the nickel ore beneficiation process and key processes in …
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Separating Nickel from Copper
Once the ore body is extracted, the nickel and copper minerals must be separated from the other minerals. This is done through a process known as froth flotation. In froth flotation, the ore body is crushed and mixed with water and chemicals that cause the nickel and copper minerals to float to the surface. The other minerals sink to the bottom ...
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Separation of Nickel and Magnesium from Laterite Ore for …
Request PDF | On Jan 1, 2022, Yuxiang Gao and others published Separation of Nickel and Magnesium from Laterite Ore for Simultaneous Co2 Mineralization and Nickel Recovery by Using Waste Copperas ...
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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 this work, we …
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Bidentate pyridine-pyrazole ligand-induced synergistic and …
Therefore, compared to the commercial phosphonic acid extractants, this SSX system is suitable for the direct separation of Ni from the acidic leachate, which will be helpful for the short-process recovery of nickel from complex resources containing Mg, Al, Ca, and Mn, such as laterite ore [38], spent lithium ion battery [39], and spent nickel ...
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SEPARATION OF NICKEL AND IRON FROM LATERITIC …
Separation of nickel and iron from lateritic ore using digestion-roasting-leaching-precipitation 569 As result, significant amounts of nickel, cobalt and iron were transformed to metal sulfate forms, which can be leached in water easily. However, it is known that the iron content of the final nickel product must be as low as possible.
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Selective Recovery of Scandium from Nickel Laterite Ore by …
Extraction of Metals from Nickel Concentrate by Low-Temperature NH 4 HSO 4 Roasting-Water Leaching and Efficient Separation of Iron and Copper ... A nickel laterite ore (LO) from New Caledonia was used as the process feedstock. 95.0–98.0 wt% H 2 SO 4 (ACS Reagent grade), ...
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Collaborative separation of nickel and iron from nickel …
In this study, we investigated a nickel laterite ore with Ni content of 1.56 wt% and a red mud with Fe content of 20.98 wt%, the main Ni-bearing mineral in the nickel laterite ore was nickel-lizardite, and the main Fe-bearing mineral in the red mud was hematite.
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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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Selective nickel-iron separation from atmospheric leach …
The presence of iron in pregnant leach solutions (PLS) is a common problem, and is generally removed using jarosite, goethite, hematite or para-goethite precipitation methods. Although these methods are successfully applied, significant amounts of nickel can be lost. In this study, iron precipitation was performed on a PLS obtained from agitation leaching of a …
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Hydrometallurgical process for the separation and recovery of nickel …
1.. IntroductionAbout 60% of the current worldwide production of nickel is derived from sulphide ores and the rest comes from nickel laterites (Sudol, 2005).However, about 70% of the nickel reserves are present in laterite deposits (Dalvi et al., 2004).As a result, there is growing interest in improving the technology for extraction of nickel (and cobalt) from laterites, as the …
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Eco-friendly and selective separation of nickel and copper …
Based on the demand for nickel sulfate for batteries and environmental pollution control, this work proposed a novel and clean magnesium carbonate roasting process for …
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A New Process for Cobalt Nickel Separation
A New Process for Co-Ni Separation – ALTA 2010 1 A New Process for Cobalt – Nickel Separation By D.L. Jones 1, T.M. McCoy, K.E. Mayhew1, C.Y. Cheng 2, K.R. Barnard, W. Zhang2 Presented by David Jones david.jones@teckcominco ALTA 2010 Perth, WA, Australia May 25, 2010 1 CESL Limited, Richmond, BC, Canada
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Preparation of Nickel–Iron Concentrate from Low-Grade Laterite Nickel
In this paper, the process of solid-state metalized reduction and magnetic separation was investigated for preparation of nickel–iron concentrate from a low-grade laterite nickel ore. The effects of reduction temperature, reduction time, amount of dosages, and magnetic field strength on grades and recoveries of nickel and iron were studied. The results …
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(PDF) The Separation of Copper and Nickel from Ni-Cu Mixed Ore …
The Separation of Copper and Nickel from Ni-Cu Mixed Ore Simulated Leaching Solution Using Electrochemical Methods ... which provides the future research with theoretical and practical references for the separation of copper and nickel mixed ore leaching solution. The main conclusions of the study are as follow: 1038 Eurasian J Anal Chem 1. In ...
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Recovery of Nickel and Cobalt from a Low Grade Laterite Ore
This study focused on the development of hydrometallurgical process which allows the nickel (Ni) and cobalt (Co) recovery from a low grade laterite ore. The developed process consists of two main stages: leaching and precipitation. In the first stage, an appropriate leach liquor which contains a relatively high nickel and cobalt concentration is prepared by chemical leaching …
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Extraction of Nickel from Garnierite Laterite Ore …
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% MgO, and 37.86% SiO2 …
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FR2183166A1
Separation of nickel and iron - from ferronickel obtd from the ore Info ... ferronickel ore obtd nickel Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Granted Application number
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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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NICKEL AND COBALT ORES: FLOTATION
ores is through the production of nickel matte after 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 ...
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Preparing Ferro-Nickel Alloy from Low-Grade …
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 reductions of iron oxide and …
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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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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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High recovery of ferro-nickel from low grade nickel laterite ore
The process of one-step reduction roasting and magnetic separation was adopted to prepare ferro-nickel alloy from low-grade nickel laterite ore (w(Ni)=1.52%, w(Fe)=14.08%).
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