Direct extraction of nickel and iron from laterite ores using …
Over the past 30 years laterite ores have become increasingly more important as a source of nickel metal (Dalvi et al., 2004).Several methods of nickel extraction from laterite ores have been piloted and some were put into full operation, including acid leach with sulphuric, nitric and hydrochloric acids, ammonia leach and the pyrometallurgical process (Superiadi, 2007).
Efficient Synchronous Extraction of Nickel, Copper, and …
Synchronous extraction of nickel and copper from a mixed oxide–sulfide nickel ore in a low–temperature roasting system. Journal of cleaner production 177, 371–377 (2018). Article CAS Google ...
Extraction of Nickel from Ultramafic Nickel Sulfide …
Abundant low-grade nickel sulfide ore reserves hold potential as nickel resources but are hindered by high magnesium silicate content, limiting efficient utilization. The authors investigated the possibility of extracting nickel from a low-grade ultramafic nickel sulfide concentrate into ferronickel alloy. The nickel extraction study involved thermal upgrading and …
EXTRACTION OF NICKEL, COBALT AND IRON FROM …
of nickel is produced from sultidic ores, the production of nickel from lateritic ores is increasing and may overtake nickel production from sulfidic ores [I]. Lateritic ores are formed by prolonged weathering of ultramafic rocks. Typical mineralogical profile of nickel laterite ore bodies is as follows [2, 3]: 1.
Extraction of ferronickel concentrate from laterite nickel ore …
Laterite nickel ore with a high MgO and SiO 2 impurity content caused by the removal of a considerable amount of iron through weathering was ... Reduction roasting–magnetic separation technology has been extensively applied to the extraction of nickel from laterite nickel ores with low nickel content due to its short process flow, low ...
Solid State Extraction of Nickel from Nickel Sulfide …
DOI: 10.1016/j.jallcom.2019.153582 Corpus ID: 213231543; Solid State Extraction of Nickel from Nickel Sulfide Concentrates @article{Wang2020SolidSE, title={Solid State Extraction of Nickel from Nickel Sulfide Concentrates}, author={Fanmao Wang and Feng Liu and R. Elliott and Sabereh Rezaei and Leili Tafaghodi Khajavi and Mansoor Barati}, journal={Journal of Alloys …
Modelling Global Nickel Mining, Supply, …
The energy use for nickel is calculated for the extraction of the ore, the enrichment of the ore from raw rock to ore concentrate and smelting or refining to the final metal or alloying component is estimated in the model.
Direct Extraction of Nickel and Copper from Low-Grade Nickel …
A new extraction technology of chlorination roasting with a mixture of MgCl 2 ·6H 2 O 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 …
The Extraction of Nickel from Morowali Laterite Ore …
Nickel extraction from Morowali laterite ore has been carried out with nitric acid as the solvent. This study aim s to determine the effect of nitric acid concentration, temperature, and stirring ...
Extraction of Copper and Nickel from Low-Grade Nickel Sulfide Ore …
If this ore is treated with the existing nickel sulfide ore smelting process, a large number of valuable metals are lost in the flotation process,4 coupled with high energy consumption caused by high-temperature operation, resulting in high costs and poor economic benefit of the entire smelting process.5 Taking JNMC's concentrate with an ...
Kinetics of nickel extraction from Indonesian saprolitic ore …
An official publication of the Society for Mining, Metallurgy & Exploration Inc. Key words: Leaching, Kinetics, Nickel extraction, Saprolitic ore, Citric acid, Shrinking core model Introduction for the extraction of metals, especially nickel, promise to be meaningful alternatives to pyrometallurgical processes to primarily treat low-grade ...
Extraction of Nickel, Cobalt, and Scandium from Low-Grade …
Efficacy of reduction pre-treatment of laterite ore on the extraction of Ni, Co, and Sc was determined by comparing the %recovery obtained between leaching untreated ore and reduced ore (treated at 700 °C for 40 minutes) at 20 wt% solids, 85–90 °C, 360 minutes, and experimental acid consumption of 386.4 kg H 2 SO 4 per ton of ore, as shown ...
Advanced study on the extraction of Nickel from its ores
Nickel's extractive metallurgy is the most complex since there are two major types of ores, laterites, and sulfides, which make this paper a valuable guide by providing an overview of the …
Extraction of molybdenum and nickel from Ni-Mo ore by …
The extraction of molybdenum and nickel from Ni-Mo ore was attempted using oxidation complexation acid leaching. The effects of leaching temperature, leaching time, concentration of sodium chlorate and hydrochloric acid as well as sodium dihydrogen phosphate on the leaching of nickel and molybdenum were investigated.
Literature Review: Comparison of Caron Process and RKEF …
Hydrometallurgy is a process used for nickel ore that has a grade of < 1.5%, while pyrometallurgy is still used for nickel ore that has a Ni content of < 3%. At present, the most common hydrometallurgical process is applied to limonite nickel ore. While the extraction process in pyrometallurgy uses saprolite nickel ore.
Design of experiments to study the extraction of nickel …
The nickel extraction could be enhanced in the presence of additives w13x. Nickel bearing chromite overburden samples from Kansa, India w14x were characterised and leached with acid, under pressure, to establish the relationship between the crystallinity of the goethite and the requirement of additives to enhance the nickel extraction.
Advanced study on the extraction of Nickel from its ores
also limited to concentrate the nickel. The mined ores (1–4% Ni) are processed to upgrade the metal content with 10–20% Ni in the concentrates. Thus, the preconcentration of nickel ores is an important unit operation to upgrade the nickel before commencing any extraction steps. Ni is mined from sulfide ores, Nickel ferrolaterite and serpentine.
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, …
Influence of Alkali Salts on Extraction of Nickel From
The sulfation roasting leaching method has been developed for the recovery of nickel from laterite ore because it offers greater flexibility, and requires less energy compared to acid leaching and smelting processes. However, the previous studies found that the mineral carriers from saprolite ore affected the recovery of nickel and cobalt. To address this issue, …
Extraction of Nickel
Extraction of Nickel . Main ore is Pentlandite; Nickel is extracted from ores through the Mond procedure, in which nickel oxides are purified throughout several steps into pure nickel metal. It is placed with hydrogen and carbon monoxide gases at 122 degrees Fahrenheit, which converts it to impure nickel.
Extraction of ferronickel concentrate from laterite nickel ore …
Semantic Scholar extracted view of "Extraction of ferronickel concentrate from laterite nickel ore by reduction roasting-magnetic separation using spent cathode carbon" by S. Hui et al. ... Efficient nickel extraction from nickel matte by combined atmospheric-oxygen pressure acid leaching: Thermodynamic analysis and sulfur conversion mechanism ...
The Direct Nickel Process
Explore the extraction processes of nickel from laterite ore, including acid leaching, smelting, and the Caron process. Discover the Direct Nickel Process DNi, an atmospheric hydrometallurgical processing route that uses nitric acid …
Nickel (Ni) Ore | Properties, Formation, Minerals, Deposits
Nickel ores are processed to extract nickel and produce nickel-containing products, such as nickel matte, nickel pig iron, ferronickel, and nickel chemicals, which are …
Extraction of Nickel and Cobalt from Sulawesi Limonite Ore …
The leaching behavior of metals from a nickeliferous limonitic laterite ore was investigated by high pressure acid leaching process for the extraction of nickel and cobalt.
Nickel processing
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 …
Towards sustainable extraction of technology materials through
Laterite ores can be divided into saprolite and limonite ores, of which only the limonite ores are suitable to produce nickel class 1 products through the hydrometallurgical high-pressure leaching ...
Advanced Review on Extraction of Nickel from Primary …
Nickel extraction from primary resources such as ores/minerals (sulfides, arsenides, silicates, and oxides) including the unconventional one viz., the polymetallic sea nodules, and various ...
Extraction, phase transformation and kinetics of valuable …
(NH 4) 2 SO 4 roasting followed by water leaching to process nickel- chromium mixed metal oxidized (MO) ore was investigated. The optimal operating parameters were obtained after determining the influences of the molar ratio of (NH 4) 2 SO 4 to mixed oxidized ore, roasting temperature and roasting time on metal extractions. The extraction efficiencies …
Proof-of-Concept Study on Extraction of Nickel from Low …
Nickel is an essential element for modern society with numerous applications including its significant place in lithium-ion batteries. Sulfide nickel ore plays a significant role in global nickel production, representing around 30% of the total output [].With the depletion of high-grade sulfide nickel ore, it is of significant interest to investigate the possibility of utilizing low …
Modelling Global Nickel Mining, Supply, …
The quality of nickel ore has decreased significantly from 1850 to 2020 and will continue to do so in the future according to the simulated predictions from the WORLD7 model. For nickel, extraction rates are …