Separation and recovery of iron and nickel from low-grade …
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
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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 …
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Development and implementation of a new flowsheet for …
Low grade nickel ores containing large amounts of serpentine minerals have historically been difficult to process efficiently. The Mt Keith ore was no exception with recoveries in the first five ...
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Magnetic separation for recovering iron resources from acid …
1. Introduction. The acid-leaching tailings of laterite nickel ore are a hazardous waste generated by the laterite nickel ore industry [1], [2], [3].As global demand for nickel continues to rise and nickel sulfide resources decrease, the extraction of nickel resources from laterite nickel ores the main development trend of the global nickel industry in the coming …
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Preparing Ferro-Nickel Alloy from Low-Grade Laterite Nickel Ore …
Nickel, a valued metal, mainly exists as nickel oxide in laterite nickel ore. Furthermore, a large part of the laterite nickel ore is low-grade saprolitic ore. In this paper, a research on preparing ferro-nickel alloy from low-grade saprolitic laterite nickel ore using metallized reduction-magnetic separation was studied. In the research, the carbothermic …
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Study on selective reduction and magnetic …
Li et al. (2010) investigated the effects of selective reduction and magnetic separation of nickel laterite ore containing 0.97% nickel to produce a high grade nickel concentrate. With regards to ...
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Separation of nickel and iron from lateritic ore using a …
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.
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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 concentrates were obtained through …
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Roasting and Leaching Behavior of Nickel Laterite Ore
Basturkcu and Acarkan used sulfuric digestion followed by roasting and leaching for nickel and iron extraction from a nickel laterite ore containing mainly quartz and goethite. …
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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% ...
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Separation and Recovery of Iron and Nickel from Low-Grade …
The results indicated that, after reduction roasting at a temperature of 1150 °C followed by magnetic separation, the nickel content increase from around 1.92 wt.% in the ore …
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(PDF) 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 carbothermic reduction roasting to ...
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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 temperatures in nickel …
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Eco-friendly and selective separation of nickel and copper …
DOI: 10.1016/j.seppur.2024.127094 Corpus ID: 268406525; Eco-friendly and selective separation of nickel and copper from low-grade nickel sulfide ore via sulfur fixation roasting with MgCO3 followed by sulfuric acid leaching
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Preparation of Ferronickel from Nickel Laterite Ore via …
Separation and Recovery of Iron and Nickel from Low-Grade Laterite Nickel Ore Using Reduction Roasting at Rotary Kiln Followed by Magnetic Separation Technique ... The nickel laterite ore was dried at 120 °C for 2 h in an oven and ground to passing 0.074 mm. The ground nickel laterite was mixed to homogeneously with pulverized coke.
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Efficient Synchronous Extraction of Nickel, Copper, …
Separation and recovery of iron and nickel from low‒grade laterite nickel ore using reduction roasting at rotary kiln followed by magnetic separation technique.
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Selective sulphidation and flotation of nickel from a …
Selective reduction of laterite nickel ore followed by magnetic separation was carried out to produce ferronickel products. The effect of adding additives and reductor types in the selective ...
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Synchronous extraction of nickel and copper from a mixed …
Mixed oxide-sulfide nickel ore is becoming the major source of nickel produced in the nickel smelting enterprise due to the increasing global demand of nickel and the depletion of high-grade nickel sulfide ore.Low temperature roasting technique by ammonium sulfate is a potential cleaner production process with high metal recovery, high reaction selectivity and low …
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Solid State Extraction of Nickel from Nickel Sulfide Concentrates
Magnetic separation of the products yielded a FeNi concentrate containing 4–7 wt% Ni with recovery in the range of 75–90%. ... Application of three xanthates collectors on the recovery of nickel and pentlandite in a low- grade nickel sulfide ore using optimum flotation parameters. Part. Sci. Technol., 35 (2017), pp. 462-471, 10.1080 ...
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Chloridization and Reduction Roasting of High-Magnesium Low-Nickel
The chloridization and reduction roasting of high-magnesium, low-nickel oxide ore containing 0.82 pct Ni and 31.49 pct MgO were investigated in this study. Mineralogical investigation indicated that 84.6 pct of nickel was associated with silicates, and nickel was well distributed in mineral in the form of isomorphism. A series of chloridization tests with different added …
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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 ...
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A novel approach for recovery of nickel and iron from nickel laterite ore
In recent years, there has been an increasing focus on the utilization of low-grade nickel laterite ore. In this study, the technology for efficient utilization of nickel laterite ore was investigated. The results indicate that the experimental sample is a kind of strong acidic ferric oxide ore containing nickel, which tends to appear as a complex with argillaceous mineral. The results ...
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A New Process for Cobalt Nickel Separation
A New Process for Co-Ni Separation – ALTA 2010 1 A New Process for Cobalt – Nickel Separation By D.L. Jones 1, T.M. McCoy, K.E. Mayhew1, C.Y. Cheng 2, K.R. Barnard, W. Zhang2 Presented by David Jones david.jones@teckcominco ALTA 2010 Perth, WA, Australia May 25, 2010 1 CESL Limited, Richmond, BC, Canada
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Roasting and Leaching Behavior of Nickel Laterite Ore
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. The sulfation-roasting …
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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 …
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Flotation of Nickel-Copper Sulphide Ore: Optimisation …
The nickel-copper sulphide ore used in this study was supplied by Trojan Nickel Mine located in Bindura, Zimbabwe. From the X-ray diffraction analysis, the main phases present in the ore were pentlandite (49.4%), pyrrhotite (41.2%) and quartz (4.6%), Fig.1. The ore which was supplied in lumpy form was subjected to crushing and grinding.
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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 …
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Improved beneficiation of nickel and iron from a low-grade …
Nickel laterite ore is used to produce nickel metal, predominantly to manufacture stainless steel as well as nickel sulfate, a key ingredient in the batteries that drive electric vehicles. ... in this study was successfully upgraded through selective reduction by industrialized rotary kilns followed by magnetic separation. The results indicated ...
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Improved beneficiation of nickel and iron from a low-grade …
1. Introduction. The increasing consumption of stainless steel immensely promotes the demand of nickel [1].As sulfide nickel ore has been depleted gradually, the effective utilization of laterite nickel ore, accounting for approximately 72 percent of global nickel resources, becomes extremely urgent [2].Based on consideration of the economic efficiency …
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SELECTIVE NICKEL-IRON SEPARATION FROM …
nickel-iron separation from atmospheric leach liquor of a lateritic nickel ore using the para-goethite precipitation method. Experimental PLS used for the precipitation tests in this study was obtained as a product of agitation leaching of a lateritic nickel ore with sulfuric acid under atmospheric conditions
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