The rarity of sulfide nickel ores has demanded the utilization of nickel extraction processes from alternative sources, namely, laterite nickel. One of the nickel ore processing alternative methods which have less energy consumption is carbothermic reduction. This study aimed to investigate the proper mass composition of limestone flux …
DOI: 10.1016/s1003-6326(20)65256-6 Corpus ID: 216163739; Efficient enrichment of nickel and iron in laterite nickel ore by deep reduction and magnetic separation @article{Shuai2020EfficientEO, title={Efficient enrichment of nickel and iron in laterite nickel ore by deep reduction and magnetic separation}, author={Yuan Shuai and …
Abstract Nickel is mostly extracted from sulfide ores, however, laterite ores account for over 60 pct of all nickel resources in the world, and despite its predominance, there is no well-established process to extract nickel from such ores. Nickel in laterites is hosted in many different compounds such as oxides, hydroxides, and silicates minerals. …
1. Introduction. Nickel is an important strategic metal produced at over 2 million tonnes annually [1].Approximately 60% of all Ni is consumed in the production of stainless steel [2, 3].Currently, Ni is primarily extracted from two types of ores: laterites and sulfides [[4], [5], [6], [7]].Although sulfide ores account for a smaller fraction of global Ni …
The limonitic laterite ore was obtained from Papua New Guinea and dried at 105 °C for 24 h. The amounts of metal elements (iron, magnesium, aluminum, chromium, nickel, cobalt, and manganese) within the limonitic laterite ore were determined after total digestion with a mixture of acids, including hydrofluoric acid (HF), hydrochloric acid …
1. Introduction. Recently, the rapid development of electric vehicles has raised concerns about the availability of the metal resources required for Li-ion batteries, such as iron (Fe), cobalt (Co), and nickel (Ni) [1], [2].Laterite nickel ore, which accounts for 75 % of the total nickel reserves, has emerged as a primary source for nickel mining in the future [3], [4], …
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 …
Separation of Nickel and Cobalt by Solvent Extraction. Frank K. Crundwell, ... William G. Davenport, in Extractive Metallurgy of Nickel, Cobalt and Platinum Group Metals, 2011 Publisher Summary. All nickel ores contain cobalt, to a greater or lesser extent. High-purity nickel and cobalt are made from these solutions by electrowinning or hydrogen reduction.
Nickel ore is divided into 30% nickel sulfide ore and 70% nickel oxide ore (most is laterite nickel or e), but almost 60% of nickel products come from nickel sulfide ore at present [ 3
Hydrometallurgical processes, as the effective technologies, are preferred to extract the nickel from limonitic laterite which is a principal nickel-bearing ore [6,7,8]. Therein, reduction roasting-ammonia leaching (RRAL) is one of mature technologies to process the limonitic laterite and has been extensively used in industrial applications for ...
At present, the demand for nickel in the field of new energy storage is gradually increasing to promote the development of the nickel processing industry [3], [4]. Low nickel matte is a complex multi-metal isomorphic sulfides obtained by smelting nickel sulfide ore at a certain high temperature (1200 ∼ 1300 °C) [5], [6].
Section snippets Preparation of the feed solution. The chloride leach liquor of laterite ore contained large amounts of ferrous iron (90 g/L) together with cobalt, nickel, magnesium, manganese, calcium and aluminum.The pH of this leach liquor is about − 0.5.This ferrous iron was completely removed by solvent extraction with mixture of …
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.
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 …
It is shown that nickel concentrate containing 3.13 % Ni and 59.20 % Fe was achieved at recoveries of 84.36 % and 71.51 % for Ni and Fe, respectively under the following conditions: reducing at (1120±40) °C for 120 min, C/P being 1.0, wet grinding of reduced pellets up to 70%–87% passing 0.074 mm and a magnetic field intensity of …
A SAG mill would be recommended when an ore has a mixture of both hard and soft material. A ta value between 0.24 and 0.35 is classified as 'hard'. This indicates that for future SMC testing, that a composite that represents a ROM blend would be …
DOI: 10.1016/J.JMRT.2020.08.036 Corpus ID: 225020166; Separation and recovery of iron and nickel from low-grade laterite nickel ore by microwave carbothermic reduction roasting
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 …
published by Glencore in 2013, nickel ore exports from Indonesia reached ~48 million tons, and the value exported to China was reported to be 43 mi llion tons. Indonesia's export to China incr eased
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 roaster for roasting, and the ferronickel concentrate was obtained from the roasted ore by magnetic separation.
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
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.
Selective reduction process and magnetic separation of nickel lateritic ore were conducted through the two-stage thermal mechanism with the addition of sodium sulfate and sodium chloride as the ...
Lateritic ore contributes to 70% of total nickel resources. However, due to its low grades, and comparatively higher impurity constituents, it requires specific preprocessing steps prior to utilization. ... present article reviews the insight into the …
Extraction and separation of nickel and cobalt from saprolite laterite ore were studied by using a method of microwave-assisted hydrothermal leaching and chemical deposition. The effects of leaching temperature and time on the extraction efficiencies of Ni2+ and Co2+ were investigated in detail under microwave conditions. It is shown that …
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 content using physical separation methods. In this study, high-grade ferronickel …
The effect of operating variables on the recovery and separation of nickel and iron from low-grade laterite ore was initially investigated during microwave ... is quick and suitable for industrial ...
Nickel laterite ore is an important oxide nickel mineral resource with which cobalt and nickel are associated, making nickel laterite ore an important cobalt resource. With the development of hydrometallurgy and the progress of separation of nickel and cobalt, extracting cobalt from nickel laterite ore has become an important source of cobalt.
It is found that the maximum separation coefficient of nickel and cobalt is 1.2 × 10 4 at the extraction ratio of 1:1. Under this extraction ratio, the more extraction amount of cobalt, the less extraction amount of nickel. It realizes the effective separation of nickel and cobalt. Therefore, the best extraction phase ratio is regarded as 1:1.
The presence of nickel in industrial waste has emerged as a significant environmental concern, predominantly attributed to the plating industry. ... The image reveals the successful formation and separation of nickel (II ... Liebarto A (2013) Precipitation of nickel hydroxide from stimulated and atmospheric-leach solution of …
Low-grade saprolite nickel laterite, characterized by complicated minerals composition and fine-grained and complex dissemination, was commonly treated with a low recovery efficiency of Ni and Fe by conventional methods. Hence, an improved direct reduction and magnetic separation process was proposed. Meanwhile, the mechanisms …
The production of ferronickel concentrate from low-grade nickel laterite ore containing 1.31% nickel (Ni) was studied by the non-melting reduction magnetic separation process.
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 …
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.
The low-grade nickel laterite ore used in this study was successfully upgraded through selective reduction by industrialized rotary kilns followed by magnetic separation.
WEB1. Introduction. Metals comprise approximately two-thirds of all chemical elements naturally occurring on earth and, because of their specific properties, are frequently used in different fields, e.g., energy, technology, transportation, construction …
The decreasing grade of natural ores and increasing environmental burden of industrial residue and metal scrap make recycling a strong driving force of economic growth and environment safety (Gleich et al., 2006; Fernandes et al., 2012). ... Selective …
Scientific and Industrial Research, Bhubaneswar, India ... Ore source Nickel distribution (%) Sulfur distribution (%) Pentlandite Pyrrhotite Pentlandite Chalcopyrite Pyrrhotite Sudbury 87.0 13.0 12.5 9.8 77.7 ... Figure 5 Flotation selectivity in …
A novel hydrometallurgical process was developed to separate cobalt and nickel from hydrochloric acid leach liquor of mixed nickel–cobalt hydroxide precipitate. After the removal of Al(III), Ca(II), Cu(II), and Fe(III) by extraction with P204, Co(II) was selectively extracted over Ni(II) and Mg(II) using N235. The extraction of cobalt can …
The results show that gravity separation and flotation have no obvious separation effect on iron minerals in nickel metallurgical slag, and magnetic separation has a certain separation effect. At present, the accumulated industrial waste products have been subjected to strict control, and there is an urgent need to recycle …