Magnetic separation for recovering iron resources from acid …
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 …
Collaborative separation of nickel and iron from nickel …
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 …
Recovery of high-quality iron phosphate from acid-leaching …
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], …
Extraction and separation of nickel and cobalt from …
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 …
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 …
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 …
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 …
Separation and recovery of cobalt and nickel from end of …
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 extraction and separation of nickel from cobalt, manganese and lithium in pre-treated …
Transformation mechanism and selective leaching of nickel …
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 …
Efficient enrichment of nickel and iron in laterite nickel ore …
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 …
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.
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 …
A New Process for Cobalt Nickel Separation
excellent cobalt-nickel separation primary leach liquor by Cyanex 272. However, manganese extraction from the leach liquor along with cobalt could not be avoided, thus …
Solid State Extraction of Nickel from Nickel Sulfide Concentrates
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 …
Acid leaching of base metals and separation of nickel …
lateritic ore in which nickel and cobalt are distributed in smectite, nontronite and iron/manganese minerals. Only a few studies have been reported for the leaching of ... separation and recovery using mixed-hydroxide precipitation (MHP) and ion-exchange (IX) techniques. The composition of MHP (26-37% Ni and 2-5% Co)
High-Grade Ferronickel Concentrates Prepared from Laterite …
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 …
Separation of Co (II) and Ni (II) from Hydrochloric Acid …
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 …
Cobalt Metallurgy
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.
Nickel processing | Extraction & Refining …
nickel processing, preparation of the metal for use in various products. Although it is best known for its use in coinage, nickel (Ni) has become much more important for its many industrial applications, which owe …
NICKEL AND COBALT ORES: FLOTATION
Figure 5 Flotation selectivity in the separation of pentlandite from pyrrhotite using sulfur dioxide and diethylenetriamine with sodium isobutyl xanthate (pH+9.2, 25 g t 1 Dow froth!250). (Reprinted with permissionfrom the CanadianInstitute of Mining,
Upgrade of nickel and iron from low-grade nickel laterite by …
2.1 Materials 2.1.1 Nickel laterite ore. The chemical composition of nickel laterite as received from Philippines employed in the study is shown in Table 1.It indicates that the nickel laterite contains 1.29 wt.% Ni, 16.31 wt.% Fe, 32.28 wt.% SiO 2 and 27.38 wt.% MgO with both high Fe/Ni of 12.64 and MgO/SiO 2 of 0.85, while the impurity …
Nickel Laterite Beneficiation and Potential for Upgrading …
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 ...
Process development for the direct solvent extraction of …
272. A small amount of nickel (up to 6.6%) was co-extracted but was easily scrubbed out completely with dilute sulfuric acid at pH 2.0. A flow diagram showing the input and …
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 ... scandium is produced as a by-product of other industrial processes, ... A nickel laterite ore (LO) from New Caledonia was used as the process feedstock. 95.0–98.0 wt% H 2 SO 4 ...
Collaborative separation of nickel and iron from nickel laterite ore
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.
High-Grade Ferronickel Concentrates Prepared from Laterite Nickel Ore …
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 …
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
Optimization of Nickel Precipitation and Leaching Process …
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 …
Mineralogical Characteristics and Preliminary Beneficiation of Nickel …
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 ...
Separation and recovery of iron and nickel from low …
12224 j mater res technol. 2020;9(6):12223–12235 1. Introduction In general, increasing attention has been paid to laterite ores as an alternative to nickel sulfide ore [1–5].