vanadium magnetic separation

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Towards Bioleaching of a Vanadium Containing Magnetite for ...

A general process for vanadium production can include magnetic separation, salt roast, water leach, precipitation, and calcination of V 2 O 5. Up to 87% vanadium recovery from magnetite is achieved by chemical leaching using a mixture of nitric and sulfuric acids at a temperature of 80–95°C (Nejad et al., 2018).

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CN102179292B - Method for separating vanadium-titanium ...

The invention discloses a method for separating vanadium-titanium magnetite to extract iron, vanadium and titanium, comprising the following steps of: magnetically selecting raw magnetite, that is, acquiring iron-vanadium concentrate and tail magnetite after performing magnetic selection on the vanadium-titanium magnetite; sorting titanium concentrate from the tail …

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Magnetic Separation Test Results on the Papineau …

Magnetic Separation Test Results on the Papineau vanadium-titanium-iron Deposit, Mattawa-Papineau Project Papineau Township, Ontario, Canada A Technical Report For: IMPERIAL METALS CORPORATION #200 - 580 Hornby Street Vancouver, BC Canada, V6C 3B6 by: B.H. (Ben) Whiting, M.Sc., P.Geo. November 2005 WHITING RESOURCE MANAG 427 Garrett Street

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Sticking behaviour of vanadium titano-magnetite oxidised pellets during gas-based reduction and its prevention. Ironmak. Steelmak., 2017, 44, 185-192. [8] Yulei Sui, Yufeng Guo, Tao Jiang, Guanzhou Qiu. Separation and recovery of iron and titanium from oxidized vanadium titano-magnetite by gas-based reduction roasting and magnetic separation.

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Influence of microwave treatment on grinding and ...

The effect of microwave treatment on the grinding and dissociation characteristics of vanadium titano-magnetite (VTM) ore were investigated using scanning electron microscopy (SEM), nitrogen absorption measurements, particle size distribution measurements, X-ray diffraction (XRD) analysis, Fourier transform infrared (FT-IR) spectroscopic analysis, and magnetic separation.

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Study on the Magnetic Separation Experiment of Vanadium ...

Based on Vanadium and Titanium iron concentrate pellets as raw material produced by direct reduction process of coal rotary hearth furnace in an enterprise, the paper studies the impact of magnetic separation process parameters on magnetic separation effect. The results shows that: the use of magnetic separation process can successfully separate metallized pellets, …

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CN103526051B - Method for separating iron, vanadium and ...

separation vanadium titanium schreyerite magnetic Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Active Application number CN201310445237.6A Other languages Chinese (zh) Other ...

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Recovery of iron from vanadium tailings with coal-based ...

Jan 30, 2011· A technique with coal-based direct reduction followed by magnetic separation is presented in this study for recovering and reusing iron otherwise wasted in vanadium tailings. Process parameters such as usage of additives, tailings/reductant/additives ratio, reduction temperature and time, as well as particle size were experimentally determined.

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Vanadium Miners News For The Month Of June 2021 | Seeking ...

Jun 29, 2021· Metallurgical testwork undertaken during AVL's feasibility study showed the nickel, copper, cobalt and gold present in the non-magnetic tail after separation of the vanadium-titanium-magnetite ...

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A discussion of magnetic separation techniques for ...

magnetic separation. Case studies Several case studies are presented that describe the testing and flowsheet development work that enabled proper magnetic separation technology selection and flowsheet configuration. Case Study 1: Dry magnetic separation of ilmenite before electrostatic separation The deposit for Case Study 1 was a typical aeolian

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Polyoxime-functionalized magnetic nanoparticles for ...

May 10, 2017· Magnetic iron oxide nanoparticles were first grafted with polyglycerol on the surface, and then conjugated with oxime groups via esterification and oximation to give polyoxime-functionalized magnetic nanoparticles (POMNs). POMNs showed superior aqueous dispersibility and could be readily recovered by magnetic separation.

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Coal-Based Reduction and Magnetic Separation Behavior of ...

Through the magnetic separation of coal-based reduced products, it is demonstrated that the separation of Cr, V, Ti, and non-magnetic phases can be preliminarily realized. Keywords: low-grade vanadium-titanium magnetite; pellets; coal-based reduction; magnetic separation behavior 1. Introduction

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Recovery of tailings from the vanadium extraction process ...

Sep 05, 2018· This problem can be possibly solved by proposed high temperature reduction-magnetic separation process, in which, V, Cr and Fe can be recycled as ferroalloy. The thermodynamic calculation results reveal that a higher temperature (>1127.8 °C) promotes the reduction of Fe, V and Cr, and improves the recovery rates of V and Cr in liquid iron.

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US9702025B2 - Method for the extraction and recovery of ...

A method ( 10 ) for the extraction and recovery of vanadium from its ores, the method ( 10 ) characterised by the steps of: (i) Acid leaching ( 12 ) of an ore containing vanadium and iron to extract vanadium and iron into solution; (ii) Passing the product ( 78 ) of the leach step (i) to a solid/liquid separation step ( 80 ); (iii) Passing the liquid product ( 82 ) of separation step (ii) …

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Microfluidic chip for graduated magnetic separation of ...

To fine tune the separation, the magnetic field profile across the first stage microfluidic channel may be modified by bonding small Vanadium Permendur strips to its outer walls. Mathematical modeling of magnetic fields and fluid flows supports the soundness of the design.

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Steelpoortdrift Vanadium Project, Limpopo Province, South ...

The Steelpoortdrift vanadium concentrator plant will comprise three-stage crushing, milling, wet magnetic separation, dewatering, and re-grind magnetic separation facilities. The concentrate produced at the plant will be further transported by road to an off-site salt-roast-and-leach (SRL) plant to produce V 2 O 5 flakes.

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Sep 23, 2014· Abstract:In this paper, a sedimentation-magnetic separation technique was proposed to deal with a vanadium-bearing stone coal ore in Shanxi on the basis of mineralogical analysis, then the technology conditions of sedimentation and magnetic process were studied.The?results?show?that?when?P35.78%?is?0.074mm, …

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Vanadium Resources in Titaniferous Magnetite Deposits

Vanadium can be recovered from titaniferous magnetite ore by either of two processes: (1) precipitating a vanadium salt from a leach of ore roasted with salt, or (2) precipitation from a leach of salt-roasted vanadium-rich slag obtained by smelting the ore to make a vanadium-bearing pig iron, which is then blown in a

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Mineralogical characterisation and magnetic separation of ...

Sep 10, 2018· Grinding, sieving and magnetic separation were combined to recover metallic iron from the converter slag, and yielded approximately 41.5% of iron in which the iron content was as high as 85%, and the non-magnetic concentrate contains 8.56% vanadium with a yield of 95.3% and 8.63% titanium with a yield of 85.3%.

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CN104988338A - Method for extracting vanadium from ...

The invention relates to a method for extracting vanadium from vanadium titano-magnetite. The method comprises the following steps: carrying out crushing, ore grinding and dry weak magnetic separation pretreatment on crude vanadium titano-magnetite to obtain vanadium-iron concentrate and mine tailings; mixing the vanadium-iron concentrate with calcium fluoride and …

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A comparative study of vanadium recovery from titaniferous ...

vanadium in the titanomagnetite makes the sulphate roasting approach fairly attractive. On the other ... by magnetic separation. The concentrate, with the bu lk chemical composition given in Table I, was used in the current study. Analytical grade chemicals and reagents were used in the test work. Deionized water was used as a

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(PDF) Separation and recovery of iron and titanium from ...

Gas-based reduction roasting magnetic separation process was conducted to separate and recover iron and titanium from oxidized vanadium titano-magnetite (VTM). The effects of reduction temperature ...

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Technology Metals Magnetic Concentrate Test Work Confirms ...

The two and three-stage grinding magnetic separation test work has exceeded the results of the previous sighter test work and confirmed the opportunity to produce a high-grade, high-purity iron-vanadium concentrate of up to 67.1% iron at a 32-micron grind size and up to 64.3% iron at a 125-micron grind size.

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Mineralogical characterisation and magnetic separation of ...

Metallurgical waste, converter slag, vanadium, beneficiation, magnetic separation, recycle Received: 27 June 2017, accepted 25 July 2018 by Associate Editor …

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Coal-Based Reduction and Magnetic Separation Behavior of ...

Coal-based reduction and magnetic separation behavior of low-grade vanadium-titanium magnetite pellets were studied in this paper. It is found that the metallization degree increased obviously with an increase in the temperature from 1100 °C to 1400 °C. The phase composition transformation was specifically analyzed with X-ray diffraction (XRD).

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EXCELLENT PRELIMINARY METALLURGICAL TESTWORK AT …

(sighter) round of metallurgical (magnetic separation) testwork ("Testwork") completed on composite RC drill samples from its Gabanintha Vanadium Project ("Project"). The Testwork was planned and managed by Mineral Engineering Technical Services Pty Ltd ("METS"), the Company's metallurgical consultant.

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Metalizing reduction and magnetic separation of vanadium ...

To achieve high efficiency utilization of Panzhihua vanadium titano-magnetite, a new process of metalizing reduction and magnetic separation based on hot briquetting is proposed, and factors that affect the cold strength of the hot-briquetting products and the efficiency of reduction and magnetic separation are successively investigated through laboratory experiments.

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--UCAS

(10) Behaviors of vanadium and chromium in coal-based direct reduction of high-chromium vanadium-bearing titanomagnetite concentrates followed by magnetic separation, Transactions of Nonferrous Metals Society of China, 2015, 3

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(PDF) Reduction roasting–magnetic separation of vanadium ...

Reduction roasting with sodium sulfate followed by magnetic separation was investigated to utilize vanadium tailings with total iron grade of 54.90 wt% and TiO2 content of 17.40 wt%.

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Highly efficient separation and extraction of vanadium ...

Jan 02, 2020· An efficient separation and extraction method for the recovery of V (V) from a sulfuric acid leaching solution of vanadium shale was developed using the ionic liquid tri-n-octylmethylammonium chloride (TOMAC).In this study, the main factors affecting the extraction of vanadium using TOMAC were investigated.

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A new process for the recovery of iron, vanadium, and ...

metallizing reduction, magnetic separation, and electroheat melting separation. The proposed flow sheet is shown in Figure 1. The VTM is firstly reduced by carbothermal reduction, and the titanium (non-magnetic fraction) and iron and vanadium (magnetic fraction) are separated by magnetic separation. The magnetic fraction bearing iron and

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Reduction roasting–magnetic separation of vanadium ...

Oct 27, 2015· Reduction roasting with sodium sulfate followed by magnetic separation was investigated to utilize vanadium tailings with total iron grade of 54.90 wt% and TiO 2 content of 17.40 wt%. The results show that after reduction roasting–magnetic separation with sodium sulfate dosage of 2 wt% at roasting temperature of 1150 °C for roasting time of 120 min, …

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Metalizing reduction and magnetic separation of vanadium ...

The study of the carbothermal reduction behaviour followed by magnetic separation of Panzhihua vanadium titano-magnetite based on hot briquetting has been investigated and has shown good degree of ...

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