good magnetic separators for nickel laterite ore

good magnetic separators for nickel laterite ore

the iron from laterite ore without nickel included. One of the most significant factors in the application of laterite ore into iron making is the increase of iron content and reduction of its impurities as low as described above. In this work, a wet low intensity magnetic separator will be applied to upgrade low-grade iron of laterite ore ...

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May 20, 2012 Highlights Selective reduction and magnetic separation was conducted on low grade nickel laterite ore. High grade nickeliferous concentrate could be produced from these laterite ores. The addition of calcium sulphate promoted nickel concentration. Nickel was mainly concentrated into a γ Fe–Ni phase in the reduced ore. Calcium sulphate improved the growth of γ Fe–Ni phase.

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Laterite ore is one of the important sources of nickel (Ni). However, it is difficult to liberate Ni from ore structure during reduction roasting. This paper provided an effective way for a robust recovery of Ni from laterite ore by H 2 reduction using sodium thiosulfate (Na 2 S 2 O 3) as a promoter. .

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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 was collected in the Mojiang area of China. Garnierite was the Ni-bearing mineral; the other main minerals were potash feldspar, forsterite, tremolite, halloysite, quartz, and ...

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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 the separation the ore was calcinated at 500 C for 1 h. Previous article. in issue. Next article. in issue.

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A laterite ore from Indonesia was used in this study. The chemical composition of nickel laterite ore is shown in Table 1, and its XRD pattern is shown in Fig. 1. As shown in Table 1 and Fig. 1, the main mineral of the raw nickel laterite ore is goethite and this laterite ore is a limonitic laterite ore. Powder coal was used as the reductant in the

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Nickel ore magnetic separation Products. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, Nickel ore magnetic separation, quarry, aggregate, and different kinds of minerals.

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Magnetic separation of the reduced products was conducted using a SLon-100 cycle pulsating magnetic separator (1.2 T). Composition analysis indicates that the nickel laterite ore contains a total iron content of 22.50wt% and a total nickel content of 1.91wt%. Its mineral composition mainly consists of serpentine, hortonolite, and goethite.

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768 nickel ore products are offered for sale by suppliers on Alibaba.com, of which mineral separator accounts for 22%, nickel ore accounts for 5%, and nickel accounts for 3%. A wide variety of nickel ore options are available to you, such as yes, no. There are 714 suppliers who sells nickel ore on Alibaba.com, mainly located in Asia.

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Nov 01, 2020 The current pyrometallurgical methods have been exploited for processing nickel metal from low-grade laterite ore, such as in the metallic reduction roasting-magnetic separation process (Krupp-Renn Process) , , , , , , , rotary kiln-electric furnace (RKEF) process , , , , and sintering-blast furnace . The RKEF process is characterized by intensive energy consumption, which is conducted …

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In this work, the selective reduction of lateritic nickel ore was carried out using sodium sulfate, sodium carbonate, and sodium chloride as additives.

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Feb 01, 2019 Limonitic nickel laterite, characterized by its relatively high iron grade and low nickel content, is very difficult to upgrade. The current work explores improving the beneficiation of nickel from limonitic laterite ore through interaction of silica and calcium sulfate in a selective reduction-wet magnetic separation process.

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Aug 19, 2018 Lv X. et al. (2018) Preparation of Ferronickel from Nickel Laterite Ore via Semi-molten Reduction Followed by Magnetic Separation. In: Davis B. et al. (eds) Extraction 2018. The Minerals, Metals & Materials Series.

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Aug 23, 2021 Low-nickel concentrates (LNC) were applied as nucleating agent for further improving the growth of Ni–Fe fine particles in the process of direct reduction and magnetic separation, which were produced from the nickel laterite under the condition of C/Fe of 1.00 at reduction temperature of 1250 C for 80 min followed by grinding fineness of 90% passing 0.074 mm and magnetic field intensity of 0.15 T, and their chemical compositions are presented in Table 4. The low-nickel …

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Mar 20, 2019 Extraction of Nickel. This paper introduces the extraction of nickel process and characteristics of laterite nickel ore dressing, highlights the nickel ore crushing, washing in the nickel production process design.. 1 Description of nickel ore. The laterite nickel ore is complex in composition and can be roughly divided into two types: limonite type and silicon magnesium-nickel type.
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