Separation and recovery of cobalt and nickel from end of …
On the basis of their importance, global average recycled content (RC) data (Worrell and Reuter, 2014) and their wide range of applications, transition metals can be placed at the top among all the elements.Among various transition metals, cobalt (Co) and nickel (Ni) are extensively used in metallurgical, chemical, alloy, battery and mining industries (Crundwell et …
Balancing collecting and ing capacity of flotation …
Flotation of nickel sulfide ore is a key process in the separation and subsequent utilization of nickel. However, efficient separation of nickel is hindered by the presence of magnesium silicates (typically serpentine) [2] that caused hetero-aggregation and entrainment.
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 increasing the cost of the process. For sulphide ores, there is another alternative; if the ore can be concentrated by flotation, matte smelting is used instead of leaching.
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 …
Efficient Synchronous Extraction of Nickel, Copper, and …
Separation and recovery of iron and nickel from low‒grade laterite nickel ore using reduction roasting at rotary kiln followed by magnetic separation technique.
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. ... @article{Hui2023ExtractionOF, title={Extraction of ferronickel concentrate from laterite nickel ore by reduction roasting-magnetic separation using spent ...
Study of selective reduction in lateritic nickel ore: Saprolite versus
The selective reduction method at a low-temperature process, which continued with the lateritic nickel ore's magnetic separation process, has been developed [8].Metalization of iron is inhibited, increasing the nickel content in concentrate (magnetic particle) using additives, such as sodium sulfate, sodium carbonate, and sodium chloride [9], [10].
NICKEL AND COBALT ORES: FLOTATION
ores is through the production of nickel matte after enriching the nickel content of the ore. This is com-monly carried out by magnetic separation, Sotation, or a combinationof both after the ore is comminuted to below 200 m in size. The enrichment depends upon the degree of rejection of the other sulRde and non-sulRde gangue. The maximum grade ...
Recent Progress in Hydrometallurgical Processing of Nickel Lateritic Ore
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. ... Yasri NG, Separation of nickel from cobalt using electrodialysis in the presence of EDTA, Journal of Applied Electrochemistry, no.4, 30 ...
Preparation of ferronickel from nickel laterite via coal-based
The sticking phenomenon between molten slag and refractory is one of the crucial problems when preparing ferronickel from laterite ore using rotary hearth furnace or rotary kiln processes. This study aims to ameliorate sticking problems by using silicon dioxide (SiO2) to adjust the melting degree of the briquette during reduction roasting. Thermodynamic analysis …
Enhanced methods for nickel recovery from low …
Concentrating the nickel ores usually takes place close to the mine site and involves chemical and physical processes to crush the ore and separate the nickel-bearing and gangue minerals by flotation in the case of sulfidic …
Using Laterite-Nickel Ore as Raw Material, Study on the …
In this study, the laterite nickel ore was treated by basic hydrothermal method, and the product was dissolved directly in the form of sodium silicate. ... Separation and recovery of iron and nickel from low-grade laterite nickel ore by microwave carbothermic reduction roasting[J]. J Market Res 9(6):12223–12235. CAS Google Scholar
High recovery of ferro-nickel from low grade nickel laterite ore
The process of one-step reduction roasting and magnetic separation was adopted to prepare ferro-nickel alloy from low-grade nickel laterite ore (w(Ni)=1.52%, w(Fe)=14.08%).
Magnesium Extraction from Magnetic Separation Tailings of Laterite Ore
The composition of low-grade laterite ore from Yuanjiang, Yunnan, China was tested by chemical analysis. Under 7% of CaF 2 for the adjuvant agent and 8% of anthracite for the reducing agent, the main metal nickel and iron in laterite ore (100 g) can be efficiently recovered after high temperature (1250 °C) reduction. The process is shown in Fig. 1.
Nickel Laterite Metallurgy
In nature, nickel (Ni) mainly exists in sulfide ore and oxide ore. Nickel oxide ore gets its name for it is a kind of laterite ore with high iron content. Nickel laterite, as the main land-based nickel resource, has total resource of 1.26 billion tons with an average nickel content of 1.28%, accounting for 72% of the total nickel resources.
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 Wentao Zhou and Li …
Recent Progress in Hydrometallurgical Processing of …
is the high-purity nickel used in electric vehicle lithium-ion batteries. The stainless-steel industry is the primary driver of nickel demand and uses both class 1 and 2 (lower purity) nickel. Class 2 nickel from nickel laterite ores can be con-verted to nickel sulfate; however, it requires high-pressure acid leaching.
Selective Reduction of Laterite Nickel Ore
to 1300°C, the phase of saprolitic nickel ore changes into a complex mineral. The mineral is dominated by olivine (Mg 0.5Fe 0.5) 2SiO 4. 29) 2.3 Direct reduction of laterite nickel ore in industrial scale Most laterite nickel ore processing is carried out using Elkem process. The Elkem process uses Rotary Kiln and
EXTRACTING METALS FROM SULFIDE ORES
Flotation separation Valuable minerals in an ore can be separated from each other, and from worthless gangue minerals, by the froth flotation process. ... The recovery of nickel from solution, following leaching of either type of nickel ore, can be achieved by hydrogen reduction, as discussed above, or by electrolysis. Outokumpu uses the latter ...
Eco-friendly and selective separation of nickel and copper …
A novel process for simultaneously extracting Ni and Cu from mixed oxide-sulfide copper-nickel ore with highly alkaline gangue via FeCl 3 ∙6H 2 O chlorination and water leaching
Production of Ferronickel Concentrate from Low-Grade Nickel …
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. The sodium chloride was used as additive and coal as a reductant. The effects of roasting temperature, roasting duration, reductant dosage, additive dosage, and grinding time on the …
Preparing Ferro-Nickel Alloy from Low-Grade Laterite …
metals Article Preparing Ferro-Nickel Alloy from Low-Grade Laterite Nickel Ore Based on Metallized Reduction–Magnetic Separation Zhihao Wang ID, Mansheng Chu *, Zhenggen Liu, Hongtao Wang, Wei Zhao and Lihua Gao School of Metallurgy, Northeastern University, Shenyang 110819, China; wangzhihao361@163 (Z.W.);
Comparison of leaching and heavy liquid separation …
The main finding of this work was that magnetic separation is effective in recovering 48% of nickel from laterite, increasing the Ni grade in the recovered product from 1.5% to 2.9%, when prior to ...
Cobalt and Nickel Separation in Nitric Acid Solution by …
Cobalt and Nickel Separation in Nitric Acid Solution by Solvent Extraction Using Cyanex 272 and Versatic 10 ... In addition to nickel, limonite ore typically contains 0.1-0.2% cobalt, 0.5-5% magnesium oxide and 40-50% iron.1 Leaching of limonite ore in acid solutions such as sulfuric, hydrochloric and nitric acid would result in a pregnant ...
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 prolonged grinding …
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% ...
Copper Nickel Separation Challenges and Flowsheet …
Copper Nickel Separation Challenges and Flowsheet ... • A SAG mill would be recommended when an ore has a mixture of both hard and soft material. A t a value between 0.24 and 0.35 is classified as 'hard'. • This indicates that for future SMC testing, that a composite that
Effect of B2O3 on the Melting Characteristics and Slag …
ore in China and the higher cost of importing nickel ore, nickel ore with high magnesium concentration has become the main source of raw materials for nickel smelting. A higher MgO concentration increases the slag melting point, weakens the viscous flow characteristics, and makes it more challenging to separate the nickel matte from the slag ...
Innovative process for preparing ferronickel materials from …
The main finding of this work was that magnetic separation is effective in recovering 48% of nickel from laterite, increasing the Ni grade in the recovered product from 1.5% to 2.9%, when prior to ...
Pre-concentration of nickel in laterite ores using physical separation
In the current work, nickel was upgraded in ore I (sample from the intermediate zone between saprolite and limonite) from 1.1% to 1.5% at 70% recovery. It should be noted that ore I has the highest amount of quartz among the tested samples (Table 1). This should have helped upgrading nickel in this ore using gravity separation.