Recovery of high-quality iron phosphate from acid-leaching …
Laterite nickel ore is rich in nickel and iron resources, and the nickel element is extracted in the form of nickel salt. However, the acid-leaching tailings of laterite nickel ore (LTLNO), which contain valuable iron resources, have not been cost-effectively recovered. ... followed by magnetic separation, achieving 85 % Fe recovery from LTLNO ...
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Pre-concentration of nickel in laterite ores using physical separation
The Ni grade increased by 17% and 36% for the saprolite and intermediate samples (i.e. ore S and I), respectively. The proportion of fine particles in the ores increases after gravity separation. Interestingly, upgrading nickel in the ore I sample resulted an acceptable level of Ni% for this ore for further conventional processes.
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Nickel processing
Beneficiation separates valuable nickel minerals from the gangue using physical or chemical methods. Techniques vary based on ore type: For sulfide ores: Froth flotation is the …
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CN1134856A
The method combines mechanical ore dressing and low-temperature selective reduction to separate nickel and molybdenum from nickel-molybdenum ore. The nickel-molybdenum ore contains about 2 percent of nickel and about 2 percent of molybdenum, and is a well-known refractory mineral. The invention can obtain two furnace charges by the enrichment and …
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Extraction of Nickel from Magnesia–Nickel Silicate Ore
Abstract In this study, magnesia–nickel silicate ore was investigated, which contained 0.83% Ni and antigorite, chlorite, magnetite (Fe3O4), quartz, and mica as the main minerals. Chloride roasting and magnetic separation were used to treat the ore. The addition of red mud enhanced the transformation of nickel silicate to a strongly magnetic mineral mainly …
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Selection Of Nickel Ore Beneficiation Process & Equipment
Nickel ore mainly includes sulfide copper-nickel ore and nickel oxide ore (latterite nickel ore). The beneficiation and processing methods of the two are quite different: different beneficiation methods are selected according to the grade of nickel sulfide ore, and then nickel is prepared in different ways; the smelting methods of nickel oxide ore are generally divided into …
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Separation of nickel and cobalt from nitrate leaching …
Nickel laterite ore is a low-grade ore often recognized as the primary source of nickel and cobalt [1], [2], [3] . About 60% of the world's nickel is from laterite ore [4] Nickel and cobalt ... Separation of nickel and cobalt from nitrate leaching solutions of laterite ore by solvent extraction using trihexyltetradecylphosphonium bis (2,4,4 ...
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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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(PDF) Hydrometallurgical Processing of Nickel …
Hydrometallurgical Processing of Nickel Laterites—A Brief Overview On The Use of Solvent Extraction and Nickel/Cobalt Project For The Separation and Purification of Nickel and Cobalt
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(PDF) Separation of Iron, Nickel, and Cobalt from Sulphated …
Downloaded by [National Metallurgical Laboratory] at 20:29 08 February 2012 SEPARATION SCIENCE AND TECHNOLOGY Vol. 39, No. 2, pp. 413–429, 2004 Separation of Iron, Nickel, and Cobalt from Sulphated Leach Liquor of Low Nickel Lateritic Oxide Ore S. Bhattacharjee,* K. K. Gupta, S. Chakravarty, P. Thakur, and G. Bhattacharyya Analytical ...
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Selective Reduction of Laterite Nickel Ore
Nickel is an important alloying metal with widerange application in the industry. 1) Nickel is one of the most important strategic metals which is widely applied to stainless steel, electroplating, catalyst, and petrochemical industry. 2, 3) Nickel, found in products produced from smelters and refineries, is classified into three categories, i.e. Refined nickel (Class I), Charge …
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Valorization of Solid Residue from the Lateritic Nickel Ore …
The hydrometallurgical process of nickel laterite leavesa residue that still contains critical metals such as iron and nickel. Its utilization can improve overall process efficiency and reduce environmental damage. In this work, the recovery of nickel and iron from nickel residue resulting from the citric acid leach process has been carried out using the selective reduction …
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Preparation of Nickel–Iron Concentrate from Low-Grade …
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 …
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High-Grade Ferronickel Concentrates Prepared …
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 …
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Efficient Synchronous Extraction of Nickel, …
Separation and recovery of iron and nickel from low‒grade laterite nickel ore using reduction roasting at rotary kiln followed by magnetic separation technique. Mining, Metallurgy & Exploration ...
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Separation of Co(II) and Ni(II) from chloride leach solution of nickel …
Nickel is the main raw material for the stainless steel owing to its high corrosion resistance. Laterite ore is an important reserve of nickel and cobalt and rich in iron in the form of goethite together with a small amount of aluminum, manganese, magnesium and other elements (Fan et al., 2012).
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Extraction of Nickel from Garnierite Laterite Ore Using …
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 was collected in the Mojiang area of China. Garnierite was the Ni-bearing mineral; the other main minerals were potash feldspar, forsterite, tremolite, …
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A Review of Direct Reduction–Magnetic Separation Process …
The effect of ore compositions (nickel grade, iron grade, MgO/SiO 2) on performance metrics (enrichment ratio, nickel separation efficiency, Ni recovery, Ni/Fe in ferronickel concentrate) was analyzed. In most studies, thermal treatment was at 1100–1250 °C, the reduced product was ground to − 75 μm, and magnetically separated using field ...
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Nickel Ore
Nickel ore refers to the natural mineral deposits containing nickel, which can be classified into two main groups: sulfides and laterites. Sulfide ores are mined underground, while lateritic ores are recovered through surface mining methods in tropical regions. ... Separation of Nickel and Cobalt by Solvent Extraction. Frank K. Crundwell ...
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Collaborative separation of nickel and iron from nickel laterite ore
ABSTRACT 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. A novel process of roasting and magnetic separation was purposed to extract nickel and iron …
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Selective reduction of nickel from lateritic ore using Na2SO4 …
This study uses NH 3, one of the H 2 carriers, for the selective reduction process of nickel laterite ore, with Na 2 SO 4 serving as a selectivity additive. ... Ferronickel enrichment by fine particle reduction and magnetic separation from nickel laterite ore. Int. J. Miner. Metall. Mater., 21 (2014), pp. 955-961, 10.1007/s12613-014-0995-5.
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Collaborative separation of nickel and iron from …
A novel process of roasting and magnetic separation was purposed to extract nickel and iron from the nickel laterite ore and red mud. The nickel laterite ore, red mud, calcium chloride, and coke were mixed and put in a …
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Recovery of high-quality iron phosphate from acid-leaching …
Recovery of high-quality iron phosphate from acid-leaching tailings of laterite nickel ore. Author links open overlay panel Yanchao Qiao ... was synthesized to realize the direct extraction of nickel from sulfuric acid leachate of laterite ore. The separation behaviors of nickel over other impurities (Co, Mn, Mg, Al, Ca, Fe, and Zn) were ...
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Separation of nickel and cobalt from nitrate leaching …
At this optimum condition, the separation factor obtained for cobalt was 8008.66 and for nickel 0.0001, while cobalt was 3868.00 and nickel 0.48 for the ion distribution obtained.
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(PDF) Advanced Review on Extraction of Nickel from Primary …
In particular pre-treatment of the spent nickel-based batteries, leaching of metals from the electrode materials in different lixiviants, besides separation/solvent extraction of nickel/other ...
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Nickel Ore Deposits 101: Everything an Investor …
Explore the fascinating world of nickel ore deposits and gain insights into the diverse processing techniques employed to transform them into valuable nickel concentrate. Uncover the unique characteristics of different …
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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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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 pulsating magnetic separator (1.2 …
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The Comprehensive Guide to Nickel Processing
Nickel extraction processes involve the separation of nickel from the accompanying impurities and the conversion of nickel into a usable form. There are two primary methods used …
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Eco-friendly and selective separation of nickel and copper …
The ore sample used in the work was low-grade nickel sulfide ore provided by Jinchuan Group, China. The chemical composition of the ore analyzed by XRF (XRF, S8 TIGER II, Germany) was shown in Table 1. It can be seen that the valuable metals contained in the ore are nickel and copper, with the content of 4.63 % and 2.75 %, respectively.
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