magnetite vanadium flotation

Reduction kinetics of oxidized vanadium titano-magnetite pellets …

Vanadium titano-magnetite (VTM) ore is a kind of multi-elements-coexistent mineral which mainly contains V, Ti and Fe [1]. According to statistics, there are about ten billion tons VTM resource storage in China. The reserves vanadium and titanium account for 11.6% and 35.17% of that all over the world, respectively [2], [3].

Formation of massive iron deposits linked to explosive volcanic

Giant Kiruna-type deposits form by efficient flotation of magmatic magnetite suspensions. Geology 43, 591–594 (2015a). Article ADS Google Scholar Knipping, J. L. et al. Trace elements in ...

Integrated Utilization of Vanadium-Titanium Magnetite …

Lightweight ed ceramics were prepared using 55 wt.% vanadium-titanium magnetite tailings (VTMT) followed by sintering at 1130 °C. In the CaO-MgO-SiO2-Al2O3 ed ceramic quaternary system, the CaO and SiO2 components play an important role in adjusting material properties and controlling phase transition. In this …

Recovering Cobalt and Sulfur in Low Grade Cobalt-Bearing V–Ti Magnetite

A 500 g mass of cobalt that contained vanadium–titanium magnetite tailings was added to the 1.5 L flotation tank. Flotation (cleaning), aimed at increasing the cobalt grade, was carried out using an XFD-1.0 L hanging tank flotation machine (Jinlin Exploration Machinery Plant, China) operating at a spindle speed of 1650 r/min.

Bingbing LIU | PhD | PhD | Zhengzhou University, …

Vanadium-titanium magnetite and ilmenite are recognized as one type of the most refractory mineral resources. ... Flotation separation is an efficient and widely used method for the treatment of ...

Separation of Ilmenite from Vanadium Titanomagnetite …

Separation of Ilmenite from Vanadium Titanomagnetite by Combining Magnetic Separation and Flotation Processes Fuxing Zhu 1,2,*, Zhanshan Ma 1,*, Kehui Qiu 2,* and Weixing Peng 1 1 State Key Laboratory of Vanadium and Titanium Resources Comprehensive Utilization, Pangang Group Research Institute Co., Ltd., Panzhihua …

The extraction of vanadium from titanomagnetites and other sources

The vanadium mineral coulsonite, FeV 2 O 4 forms series with chromite, FeCr 2 O 4 and magnetite, Fe 3 O 4. Most of the vanadium is produced from titanomagnetites either directly from ...

Kinetics and mechanism of coal-based direct reduction of

High-chromium vanadium–titanium magnetite (HCVTM) is a valuable resource containing metal elements such as iron, vanadium, titanium, and chromium. To recycle these elements, direct reduction is an efficient way. The mechanism and reaction kinetic parameters for the direct reduction of HCVTM were studied. Experimental results …

A novel process of reverse flotation-hydrogen reduction for …

In this paper, a novel process of reverse flotation-hydrogen reduction for preparation of high-purity iron powder with superior magnetite concentrate was developed. The ultra-pure magnetite concentrate could be obtained whose Fe grade and SiO 2 content were separately 72.12 % and 0.19 %, and the Fe recovery reached 82.3 %. Hydrogen …

Extraction of vanadium from titanoferrous …

V-bearing titanoferrous magnetite is a valuable ore, even though it has a low vanadium concentration, and is the main raw material for vanadium extraction. V …

Separations | Free Full-Text | Separation of Ilmenite …

The results show that a concentrate with a TiO 2 grade of 9.90% can be separated via weak magnetic separation and coarse particle tailing dumping. The concentrate grade is then …

Gas-based reduction of vanadium titano-magnetite …

The phase transformation of pre-oxidized vanadium titano-magnetite pellets during the reduction process under an H2 atmosphere and a CO atmosphere was discussed, and the reduced samples were analyzed by scanning electron microscopy (SEM) in conjunction with back scatter electron (BSE) imaging.

High-Efficiency Extraction of Fe, V, and Ti from …

Vanadium-containing titanium magnetite is the main source of V and Ti in the internal market. About 75% Fe, 82% V, and 44% Ti pass into iron concentrate during …

Mineralogical reconstruction of Titanium-Vanadium hematite …

Vanadium ore mainly includes vanadium-titanium magnetite and weakly magnetic iron ore containing vanadium and titanium, such as vanadium-titanium hematite, vanadium-titanium limonite, vanadium-titanium hematite-limonite; the former of which is the main source of vanadium, with more than 80% of the world annual output of vanadium …

Yuexin Han's research works | Northeastern University …

Yuexin Han's 204 research works with 3,293 citations and 3,902 reads, including: Using Kerosene as an Auxiliary Collector to Recover Gold from Refractory Gold Ore Based on Mineralogical ...

Genetic model of the El Laco magnetite-apatite deposits by …

Knipping, J. L. et al. Giant Kiruna-type deposits form by efficient flotation of magmatic magnetite suspensions. Geology 43, 591–594 (2015). ADS Google Scholar

Preparation, Sintering Behavior and Consolidation Mechanism of Vanadium

The work in ref [7] determined the optimal roasting conditions for oxidized pellets used in vanadium-titanium magnetite (VTM) ores smelting were as follows: calcination temperature of 1523 K and a ...

Titanium Ore Processing and Beneficiation

High density conditioning in a slightly acid circuit, pH 6.0 to 6.5, with H2SO4, sodium fluoride, and oleic acid actuates the titanium minerals for rapid flotation. This computation effectively rejects the gangue minerals and any apatite. Flotation is in "Sub-A" Flotation Machines with 30-35% solids with fuel oil and a frother added as ...

Efficient Extraction of Vanadium from Vanadium–Titanium Magnetite …

In this paper, potassium salt roasting additives were applied to extract vanadium from vanadium–titanium magnetite concentrate. Meanwhile, the mechanisms of potassium salt roasting and acid leaching kinetics were investigated. The results indicate that potassium salt roasting additives are more efficient than sodium and calcium salt and …

Phase transformation and slag evolution of vanadium–titanium magnetite

1. Introduction. Vanadium (V) and titanium (Ti) are important strategic metals, which are widely used in metallurgical industry, chemical industry, machinery manufacturing, battery, aerospace, etc. [[1], [2], [3], [4]].As a representative resource for extracting V and Ti, vanadium–titanium magnetite (VTM) is a polymetallic symbiotic mineral which primarily …

Vanadium-Ilmenite Ore Processing Technology and Its …

Vanadium ilmenite is a solid solution separation mainly composed of magnetite.The main elements are iron, titanium and vanadium. Compared with single magnetite, vanadium-titanium magnetite is a ...

Mineral and Technological Features of …

Based on the obtained results by the investigation of the features of magnetite–hematite ores from the Mikhailovskoye deposit, a technological scheme of magneto-flotation beneficiation was proposed, …

Effects of Al(III) Ions at Magnetite Flotation from Quartz by …

The flotation separation of magnetite and quartz is a long-term challenge for the beneficiation industry. For high-quartz magnetite, conventional flotation shows poor separation effect, resulting in the waste of resources and low flotation efficiency. In this paper, dodecylamine acts as a collector and Al(III) ions in water act as a depressant to …

Dynamics of vanadium and response of inherent bacterial

Vanadium-titanium (V–Ti) magnetite tailings contain toxic metals that could potentially pollute the surrounding environment. However, the impact of beneficiation agents, an integral part of mining activities, on the dynamics of V and the microbial community composition in tailings remains unclear. To fill this knowledge gap, we compared the …

Fusion Separation of Vanadium-Titanium Magnetite …

In the separation of raw ore, Zhang Yanhua and Han Yuexin et al. used weak magnetics to enrich vanadium-titanium magnetite with strong magnetism, and …

How to Recover Iron from Magnetite: 4 Methods and Stages

Vanadium - titanium magnetite: gravity separation - magnetic separation - flotation Stage 4 | Magnetite dehydration Since the iron concentrate after separation contains some water, dehydration treatment is required. 1 The separated iron concentrate slurry flows into the thickener for sedimentation to remove a large amount of water.

Extracting vanadium pentoxide from minerals and …

Extracting vanadium pentoxide from V-bearing titanoferrous magnetite. The extraction of vanadium pentoxide (V 2 O 5) from V-containing iron concentrate is mainly based on the lack of vanadium mineral resources in the initial stage. A second factor is selecting processes that optimize the yields of both vanadium pentoxide and products for ...

Present Status and Development of Comprehensive Utilization of Vanadium

The main products of vanadium-titanium magnetite beneficiation are titanium iron concentrate (iron ore) containing about 50% of titanium in V-Ti magnetite, ilmenite concentrate containing about 50% of titanium, and cobalt sulfide concentrate [1,2,3,4].Titanium iron concentrate is mainly used for iron making through blast furnace …

Reverse Combined Microflotation of Fine Magnetite from …

Magnetite is an essential iron-bearing mineral. The primary method of magnetite ore beneficiation involves successive steps of crushing, grinding, and magnetic separation. Reverse cationic flotation is used at the final stage to remove silicate and aluminosilicate impurities from the magnetite concentrate and reduce silica content to …

Study on the flotation behavior and mechanism of ilmenite …

The ilmenite ore utilised in the actual mineral flotation was supplied by a mining company in Yanbian County, Sichuan Province. The ore sample was a gravity concentrate, and the chemical analysis results are summarised in Table 2.The ilmenite ore contained 21.52% TiO 2, 20.75% TFe, 10.30% CaO, and 7.01% MgO.Ilmenite was mainly …