nickel magnetic separation
Chloridization and Reduction Roasting of High-Magnesium Low-Nickel
In this paper, the reduction roasting-magnetic separation process is used to study the method of preparing ferronickel concentrates from low-grade laterite nickel ore under the action of composite ...
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Separation of Copper-Nickel by Flotation and Magnetic Methods
Distribution of the precious and platinum-group metals in the matte separation process was determined by assaying the copper fraction, the nickel fraction minus the magnetic iron-nickel alloy, and the alloy. The magnetics were assayed separately to determine if the precious metals were concentrating in the iron- nickel …
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Carboxylate coated nickel ferrite nanoparticles for high …
Request PDF | Carboxylate coated nickel ferrite nanoparticles for high-gradient magnetic separation | Magnetic separation is a complex physical process in which magnetically susceptible composites ...
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Pilot scale test of producing nickel concentrate from low …
It is shown that nickel concentrate containing 3.13 % Ni and 59.20 % Fe was achieved at recoveries of 84.36 % and 71.51 % for Ni and Fe, respectively under the following conditions: reducing at (1120±40) °C for 120 min, C/P being 1.0, wet grinding of reduced pellets up to 70%–87% passing 0.074 mm and a magnetic field intensity of …
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Separation and recovery of iron and nickel from low-grade …
An effective strategy to achieve separation and recovery of iron and nickel from low-grade laterite ore via microwave carbothermic reduction roasting is reported. In this work, we determined the underlying reason for the poor separation of iron and nickel …
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(PDF) Upgrading nickel content of limonite nickel ore …
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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STUDY ON SELECTIVE REDUCTION AND MAGNETIC …
Experimental fl owsheet is depicted in Figure 2, consisting of coal-based selective reduction of nickel laterite-magnetic separation of reduced sample. The row laterite ore was crushed to 75 per cent
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Novel magnetic iron–nickel/poly(ethersulfone) mixed matrix …
The used iron–nickel magnetic alloys were prepared by a simple chemical reduction method with unique morphologies (Fe10Ni90; starfish-like and Fe20Ni80; necklace-like). ... the gas separation ...
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High-Grade Ferronickel Concentrates Prepared from Laterite Nickel …
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 …
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Synthesis of micron-sized magnetic agarose beads chelated with nickel
Synthesis of micron-sized magnetic agarose beads chelated with nickel ions towards the affinity-based separation of histidine-tagged/rich proteins. Author links open overlay panel Ya-Qi Zhao a b 1, ... The magnetic separation process of His-proteins with MAIN is shown in Fig. 6 A. After capturing His-proteins, rinsing nontarget proteins, …
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Magnesium Extraction from Magnetic Separation Tailings of …
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 obtained by the process of sulfuric acid leaching, removing iron, precipitating magnesium and roasting. The effects of sulfuric acid …
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Research on magnetic separation for complex nickel …
magnetic nano-particles removed almost of Ni2+ when the initial concentration ranged from 10 to 80 mg/L. To date, however, magnetic flocculation has rarely been …
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High-Grade Ferronickel Concentrates Prepared …
Abstract. 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 …
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High-Grade Ferronickel Concentrates Prepared from Laterite Nickel …
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 (CaF 2, Na 2 SO 4, ...
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Magnetic separation of iron precipitate from nickel sulfate …
DOI: 10.1016/J.HYDROMET.2015.07.001 Corpus ID: 93613069; Magnetic separation of iron precipitate from nickel sulfate solution by magnetic seeding @article{Han2015MagneticSO, title={Magnetic separation of iron precipitate from nickel sulfate solution by magnetic seeding}, author={Hai-sheng Han and Wei Sun and Yue …
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Research on magnetic separation for complex nickel deep …
This study investigated the deep removal of complex nickel from simulated wastewater using magnetic separation and magnetic seed recycling. Nano-magnetite (Fe3O4) was used as the magnetic seed.
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Particle separation in a microchannel by applying magnetic fields …
Three models (including magnet arrangements and Nickel layer) are presented to increase the separation efficiency by optimizing the magnetic field. Polystyrene particles with the diameter of 0.2–7 μm and EMG 408 as the ferrofluid have been used in the proposed model.
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Synergistic coordination-regulated separation of nickel and …
1.Introduction. Nickel and cobalt, as indispensable elements in synthesizing heat-resisting, hard, anti-corrosion, and magnetic alloys and lithium batteries, are …
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Minerals | Free Full-Text | Preparation of …
In this paper, the process of solid-state metalized reduction and magnetic separation was investigated for preparation of nickel–iron concentrate from a low-grade laterite nickel ore. The effects of reduction temperature, …
ادامه مطلبPreparing 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 …
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Enhanced ammonia-rich solution production and electrode separation …
Nickel-loaded carbon black (Ni 0-CB) particles showed magnetization response.. The solid–liquid separation via a magnet enabled the recycling of Ni-CBs. • Ni-CB has a weak adsorption capacity to NH 3, beneficial to the ammonia recovery. Ammonia recovery efficiency of Ni-CBs was increased by ~20 % compared with AC.
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Utilization of nickel slag using selective reduction followed …
At present, the most common methods to use iron resources in such waste slags include metal extraction, molten slag reduction, and magnetic separation after direct reduction; adding CaO to adjust ...
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Magnetic Separation
a first magnetic separation to release the metallic fraction (accumulators) from the polymeric fraction; – knife milling of the accumulators to separate the metallic cases and screen from paste and separators; – a second magnetic separation of the nickel-containing parts of the accumulators; and –
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Magnetic separation for recovering iron resources from …
The results show that gravity separation and flotation have no obvious separation effect on iron minerals in nickel metallurgical slag, and magnetic separation has a certain separation effect. At present, the accumulated industrial waste products have been subjected to strict control, and there is an urgent need to recycle metallurgical slag.
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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%, nickel recovery of 94.06%, iron grade of 34.74%, and iron recovery of 80.44% could be obtained after magnetic separation under the conditions …
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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 …
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Carboxylate Coated Nickel Ferrite Nanoparticles for …
Carboxylate Coated Nickel Ferrite Nanoparticles for High-gradient Magnetic Separation T.M. Trad1, R. Alvarez1, A. Apblett2 and K.S. Martirosyan3 1Department of Chemistry and Environmental Sciences, University of Texas at Brownsville, Brownsville, TX, USA, 78520, [email protected] 2Department of Chemistry, Oklahoma State University, …
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Research on magnetic separation for complex nickel deep …
This study investigated the deep removal of complex nickel from simulated wastewater using magnetic separation and magnetic seed recycling. Nano-magnetite (Fe3O4) was used as the magnetic seed. The flocculant applied was N,N-bis-(dithiocarboxy) ethanediamine (EDTC), a highly efficient heavy metal chelating agent …
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Magnetic separation of iron precipitate from nickel sulfate …
Request PDF | On Jul 17, 2015, Haisheng Han and others published Magnetic separation of iron precipitate from nickel sulfate solution by magnetic seeding | Find, read and cite all the research you ...
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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 …
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