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Magnetic separation of laterite

Update date: May 31

Magnetic separation magnesium in laterite is higher than 15% (Lee et al., 2005). In addition, leaching processes sometime cause environmental and Magnetic separation utilizes the force of a magnetic field to pro- health concerns that should be addressed, raising the cost of duce differential movements of mineral particles through a mag

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  • Experimental Study on Reduction-Magnetic Separation
    Experimental Study on Reduction-Magnetic Separation

    The reduction and magnetic separation of low-grade nickel laterite was studied at varing temperatures between 1325–1400 C and a weak magnetic field of 100 mT in order to acquire high grade concentrations. The influence of reduction temperature, percentage of CaO, and atomic ratio of C/O (carbon/oxygen) were investigated

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  • Calcination of low-grade laterite for concentration of Ni
    Calcination of low-grade laterite for concentration of Ni

    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

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  • Recovery of Magnetite from Leached Laterite-residue by
    Recovery of Magnetite from Leached Laterite-residue by

    2.2. Magnetic Separation Magnetic separation is carried out using Davis Tube Tester (DTT) as a magnetic separator under various para-meters such as water flow rate, magnetic induction and sample rate. The sample is poured into the water-filled glass tube (2.5cm diameter), set between two magnetic poles at 45degree of the tube angle. Magnetic

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  • Upgrade of nickel and iron from low-grade nickel laterite
    Upgrade of nickel and iron from low-grade nickel laterite

    Aug 23, 2021 Low-grade saprolite nickel laterite, characterized by complicated minerals composition and fine-grained and complex dissemination, was commonly treated with a low recovery efficiency of Ni and Fe by conventional methods. Hence, an improved direct reduction and magnetic separation process was proposed. Meanwhile, the mechanisms on the enhanced growth of the Ni–Fe particles

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  • Preconcentration strategies in the processing of nickel
    Preconcentration strategies in the processing of nickel

    roasting and magnetic separation, magnetic separation was tested on the three Ni laterite samples using both a low intensity (0.10 0.02 T) dry magnetic separator and a Wet High Intensity

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  • How to Recover Chromium Nickel Cobalt Laterite
    How to Recover Chromium Nickel Cobalt Laterite

    Jan 06, 2021 Magnetic recleaning increased the grade above 58 pct Fe but decreased the recovery even more. Gravity separation and flotation were less effective than magnetic separation in cleaning magnetic products. Goethite is the principal constituent of laterite, making up about one-half of

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  • Extraction of Nickel from Garnierite Laterite Ore Using
    Extraction of Nickel from Garnierite Laterite Ore Using

    Apr 15, 2020 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

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  • Improving plastic waste separation with magnetic fields
    Improving plastic waste separation with magnetic fields

    1 day ago In 2018, 61.8 million metric tons of plastic waste was produced in the European Union with only 9.4 million metric ton recycled. This constitutes a huge amount of plastic waste, which rapidly needs to be addressed. One solution is to turn to magnetic density separation, which can separate plastic materials using magnetic fields, but this technique is not always effective. Rik Dellaert studied

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  • Experimental Study on Recovery of Nickel from Nickel
    Experimental Study on Recovery of Nickel from Nickel

    It is known that to extract nickel from nickel-bearing laterite ore is not an easy job. By reducing roast-magnetic separation, an effective result is achieved in this research in dealing with nickel-bearing laterite ore due to its simple technology process and the high nickel recovery. Nickel-bearing laterite studied in this research is mainly characterized by fine disseminated grain size and

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  • Study of Low-Grade Nickel Laterite Processing Using Palm
    Study of Low-Grade Nickel Laterite Processing Using Palm

    [13] Q. Li, Y. Cui, D. Zhu, J. Zhu, J. Pan, H. Zhang, & G. Zheng, Study on Selective reduction and magnetic separation of low grade nickel laterite ore to produce high nickel concentrate. XXV International Mineral Processing Congress (2010) p.1549–1556

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  • Minerals | Free Full-Text | Replacing Fossil Carbon in the
    Minerals | Free Full-Text | Replacing Fossil Carbon in the

    Nurjaman et al. investigated the production of metallic concentrates from laterite ores with a nickel content of 1.4 wt% using sodium sulfate as an additive and anthracite coal or palm shell charcoal as a reducing agent. Magnetic separation was employed to remove the

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  • magnetic separation of iron from zinc slag
    magnetic separation of iron from zinc slag

    Laterite Nickel Rotary Kiln – Hongke Heavy Industry ... gravity and magnetic separation of lead and zinc slag material magnetic separation of lead and zinc slag material. magnetic separation of lead and zinc slag material SlagWikipedia Slag is the glass-like by-product left over after a desired metal has been separated (i.e., smelted) from

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  • nickel separation equipment 」
    nickel separation equipment 」

    The separation factor is one distribution ratio divided by another; it is a measure of the ability of the system to separate two solutes. For instance, if the distribution ratio for nickel D Ni is 10 and the distribution ratio for silver D Ag is 100, then the silver/nickel separation factor SF Ag/Ni is equal to D Ag /D Ni = SF Ag/Ni = 10

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  • (PDF) MAGNETIC SEPARATION OF CHROMIUM
    (PDF) MAGNETIC SEPARATION OF CHROMIUM

    gudulas k. magnetic separation of chromium-containing laterites and iron rich quartz, were found in the magnetic material, which was separated at 0.20T induction

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  • Deep reduction/magnetic separation of laterite for
    Deep reduction/magnetic separation of laterite for

    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%)

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  • (PDF) Calcination of low-grade laterite for
    (PDF) Calcination of low-grade laterite for

    Since, the ore contains both Ni and Fe, the calcination Nickel Magnetic separation of laterite is effective in altering the crystalline structure of Fe species and therefore its magnetic prop- Calcination erties, which in turn enable the selective concentration of nickel by magnetic separation that is an easy Magnetite and environmentally-friendly technique

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