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 …

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.

Magnetic separation for recovering iron resources from acid …

The management of the acid-leaching tailings of laterite nickel ore significant challenge due to its substantial quantity and complex content, with an iron grade of 35–40 % [6], [7], [8]. Furthermore, the acid-leaching tailings of laterite nickel ore contain valuable metal elements, including Ni, Co, and Cu [9].

Nickel processing

Nickel processing - Extraction, Refining, Alloying: The extraction of nickel from ore follows much the same route as copper, and indeed, in a number of cases, similar processes and equipment are used. The major differences in equipment are the use of higher-temperature refractories and the increased cooling required to accommodate the higher operating …

Recent Progress in Hydrometallurgical Processing of …

Laterites. According to the International Nickel Study Group (INSG), global refined nickel production was approxi-mately 2.5 Mt in 2020. The world's ten largest nickel pro-ducers that year accounted for over 60% of this total. Class 1 is the high-purity nickel used in electric vehicle lithium-ion batteries.

Separation and recovery of iron and nickel from low-grade …

@article{Zhang2020SeparationAR, title={Separation and recovery of iron and nickel from low-grade laterite nickel ore by microwave carbothermic reduction roasting}, author={Junhong Zhang and Lihua Gao and Zhijun He and Xin-mei Hou and Zhang Wenlong and Pang Qinghai}, journal={Journal of materials research and …

STUDY ON SELECTIVE REDUCTION AND MAGNETIC …

separation of low-grade nickel laterite ore TO PRODUCE HIGH NICKEL CONCENTRATE Q Li 1, Y C ui 2, D Zhu 3, J Zhu 4, J Pan 5, H Zhang 6 and G Zheng 6

Extraction of ferronickel concentrate from laterite nickel ore …

DOI: 10.1016/j.mineng.2023.108194 Corpus ID: 259620999; Extraction of ferronickel concentrate from laterite nickel ore by reduction roasting-magnetic separation using spent cathode carbon

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 …

Performance of Additive in Metal Separation from Nickel Ore

The results. show that additive CaC0 has the best performance in separation of metal from nickel ore with higher. Fe and t etrataenite content, percentage coal ratio of 30% and temperature of 1300 ...

High-Grade Ferronickel Concentrates Prepared from Laterite …

Considering on the low grade of nickel and iron in laterite nickel ore, solid-state reduction roasting combined with magnetic separation to remove the magnesium …

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 ...

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 resources, particularly …

Nickel (Ni) Ore | Properties, Formation, Minerals, Deposits

Nickel ore refers to the naturally occurring rocks or minerals that contain significant amounts of nickel. Nickel is a chemical element with the symbol Ni and atomic number 28. It is a silvery-white metal with a relatively high melting point and excellent corrosion resistance. Nickel is commonly found in the Earth's crust, but it is typically …

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 ...

Nickel Ore Beneficiation Plant

Nickel Ore Processing Plant. Nickel ore processing usually needs to go through three processes: crushing – screening- grinding- flotation separation- drying, and magnetic separation and gravity separation are usually auxiliary beneficiation methods. 1. Crushing and screening: The feeder sends the mined raw ore to the jaw crusher for coarse ...

Pre-concentration of nickel in laterite ores using physical …

This work aims to instigate upgrading the nickel content in laterite ores using a combination of physical separation methods. The results will be discussed in conjunction with the …

Pre-concentration of nickel in laterite ores using physical …

Results in Table 3 show that upgrading nickel (20%) was only obtained with ore S using magnetic separation. This is similar to the results reported for upgrading …

Separation and recovery of iron and nickel from low …

The effect of operating variables on the recovery and separation of nickel and iron from low-grade laterite ore was initially investigated during microwave ... of the laterite nickel ore is 1.71wt ...

Hydrometallurgical process for the separation and recovery of nickel

Ritcey et al. (1996) have developed a complete process, for the Resolute Bulong project, for the separation of cobalt and nickel in the presence of Mn and Mg, after iron neutralization. Their study proposed the use of Cyanex 272, ... had been produced by heap leaching of Greek nickel oxide ore with dilute sulphuric acid (1 ...

Nickel Laterite Beneficiation and Potential for

For the limonite in laterite nickel mine, the nickel bearing magnetite concentrate with nickel grade of 1.98% and recovery rate of 88.42% can be obtained by reduction roasting magnetic separation ...

Separation and Recovery of Iron and Nickel from Low …

The low-grade nickel laterite ore used in this study was successfully upgraded through selective reduction by industrialized rotary kilns followed by magnetic separation. The results indicated that both iron metallization extent and nickel metallization extent showed obvious linear correlation. In addition, rational roasting temperature and …

Selective separation of cobalt and nickel using a stable …

The SILM showed selectivity for cobalt over nickel with separation factors as high as 218. Membrane stability was proven to be excellent, since the same SILM was used three times without losses of performances. ... serpentine-rich sulfide ore using an alkaline glycine lixiviant system. Miner. Eng., 145 (2020), p. 106073, 10.1016/j.mineng.2019 ...

A novel method: Nickel and cobalt extraction from citric acid …

The chemical content of the ore, determined using ICP-OES and XRF analyses (Table 1), showed that the ore sample has nickel content of 1.73 %. The XRD patterns of the ore are shown in Fig. 1. The XRD pattern has a high background due to absorption of the X-rays by iron because the measurements used a Cu X-ray tube.

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 …

Separation and recovery of cobalt and nickel from end of …

Separation and recovery of cobalt and nickel from end of life products via solvent extraction technique: A review. Author links open overlay panel Guillermo Alvial-Hein, ... of which 60% corresponds to laterites ore deposits and 40% to sulphide ore deposits (U.S. Geological Survey, 2020b). In 2019, Indonesia was the largest Ni …

Acid leaching of base metals and separation of nickel …

The IX separation based on adsorption onto DOWEX resin (M4195) and elution with sulfuric acid shows the potential for developing an integrated flowsheet based on leaching, precipitation and ion-exchange. References 1. Topkaya, Y.A., Buyukakinci, E., 2009. Extraction of nickel from lateritic ores at atmospheric pressure with agitation leaching.