Improved magnetic separation techniques similar to a Wet High Intensity Magnetic Separator or a Davis Tube Tester could lead to improved separation of the …
The combined treatment of low grade laterite nickel ore by ・〉e and wet process is a research focus at present, mainly including chlorination separation magnetic separation, reduced sul …
In this study, high-grade ferronickel concentrates were obtained through a carbothermal reduction and magnetic separation using laterite nickel ore and anthracite as raw materials. The effects of different types of additives (CaF2, Na2SO4 and H3BO3), carbon ratio (nc/no in metal oxides) and grinding time on the recoveries and grades of ...
Followed by Magnetic Separation Xueming Lv, Lunwei Wang, Zhixiong You, Jie Dang, Xuewei Lv, ... 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. The mixture was then briquetted into a cylinder (Φ30 mm
mineral phases of laterite nickel ore are limonite, serpentine, chlorite, quartz, chromite and magnetite. In order to further study the beneficiability of laterite nickel ore, it is necessary to analyze the mineralogical characteristics of its main minerals by modern analytical means such as Table 1 Chemical composition of laterite nickel ore ...
Process mineralogy of low-grade laterite nickel ore in Indonesia was systematically characterized and the beneficiation process of mineral components such as limonite, serpentine and chromite was studied on the basis of process mineralogy. The results show that the low-grade laterite nickel ore is a typical weathering sedimentary metamorphic …
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.);
Considering on the low grade of nickel and iron in laterite nickel ore, solid-state reduction roasting combined with magnetic separation to remove the magnesium silicates …
grade nickel laterite ore containing a nickel content of 1.92%. Nickel and iron recoveries were 96.72 and 89.08% respectively, ... by physical beneficiation via magnetic separation on laterite * Zhenggen Liu [email protected] * Mansheng Chu [email protected] 1 School of Metallurgy, Northeastern University, Shenyang 110819, China
A schematic diagram of the Cycle of magnetic separation used in the current work is shown in Fig. 10. It was found that the Weda Bay laterite ore has about 8% magnetic part (magnetite, Fe 3 O 4) with no (or very minimal) nickel content. The result of SEM and EDS analysis revealed that the ferro-magnetic part of the ore sample contains 97.3% FeO.
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 …
Title: High-grade ferronickel concentrates prepared from laterite nickel ore by a carbothermal reduction and magnetic separation method. Authors: Jingzhe Zhang, Chang Cao, Zhengliang Xue, Faliang Li, Shaoping Li, Hongjuan Duan *, Haijun Zhang * This paper describes new separation method of ferronickel. This issue is very important in current ...
M. Fattahi, M. Noparast, and S. Shafaie, "Physical beneficiation of nickel from a low grade lateritic ore by gravity and magnetic separation," presented at the 4 th Iranian Mining Engineering ...
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 …
An assumption was made on the segregation mechanism of nickel from garnierite ore in the previous paper. In this work, the assumption was confirmed by experimental data by using same process for extraction of nickel by XMA, electron beam scanning microscope and chemical analysis of the concentrates obtained. Fine ferronickel powder having very high nickel content …
The magnetic separation tailings of saprolite laterite ore containing magnesium processed by roasting and magnetic separation are used as raw materials, and the product of magnesium oxide was ...
(a) Reaction mechanism of natural gas and laterite nickel ore(He et al., 2024); (b) SEM–EDS Map of nickel laterite ore reduction roasting under optimal reduction conditions(He et al., 2024); (c) XRD patterns of HL oxide ore roasted at 1200 °C (A with NaCl; B without NaCl)(Zhou et al., 2016); (d) SEM images of HL oxide ore with NaCl roasted ...
Excellent performance on even weakly magnetic materials, high magnetic field intensity, middling splitter setting are the key feature of WHIMS (Das and Roy, 2007). A slurry …
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 …
Download Citation | On Feb 1, 2024, Zhe Bai and others published Magnetic separation for recovering iron resources from acid-leaching tailings of laterite nickel ore through mineral phase ...
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 pulsating magnetic separator …
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 ...
This was achieved by heating the nickel slag to a temperature of 1550 °C in an electric furnace, utilizing powdered coal as the reducing agent, and incorporating lime. Besides …
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. ... out and quenched with water to room temperature . Finally, all the products were collected and manually crushed for magnetic separation, and the magnetic intensity ...
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 …
In saprolitic laterite nickel ore, the contents of silicon, magnesium and nickel are high, while that of iron and cobalt are low, which is appropriately treated by pyrometallurgical processes, such …
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 ...
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].
The nickel laterite in upper layer of the ore deposit, with higher content of iron (Fe) and lower content of silica (SiO 2) and magnesium (Mg) in general, belongs to the limonite type, and usually contains lower nickel of about 1%, but a certain amount of cobalt (Co), while the nickel laterite in lower layer of the ore deposit, with higher content of silica (SiO 2) and …
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% ...
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