Effect of diboron trioxide on the crushing strength and …

Keywords: high-chromium vanadium–titanium magnetite; pellets; diboron trioxide; crushing strength; smelting mechanism 1. Introduction High-chromium vanadium–titanium magnetite (HCVTM), as a significant mineral resource, is rich in valuable ele-ments such as Fe, Cr, V, and Ti and with great developing value [1−3].

Vanadium (V) Ore | Minerals, Formation » Geology Science

Vanadium (V) ore refers to a type of mineral deposit that contains vanadium, a chemical element with the atomic number 23 and the symbol V in the periodic table. Vanadium is a transition metal that is known for its high strength, excellent corrosion resistance, and ability to form alloys with other metals. Vanadium is commonly found in …

Influence of different comminution flowsheets on the …

1. Introduction. Vanadium titano-magnetite (VTM) is a polymetallic symbiotic iron ore primarily containing iron, vanadium, and titanium. Iron minerals and titanium-bearing minerals coexist closely, primarily in the form of the strongly magnetic titanium magnetite and weakly magnetic ilmenite; however, vanadium-bearing minerals are …

Study of the High Temperature Metallurgical Properties of …

The effect of diboron trioxide (B2O3) on the crushing strength and smelting mechanism of high-chromium vanadium–titanium magnetite pellets was investigated in this work.

Selective sulfuric acid cyclic leaching of vanadium from the

The experiment was conducted under an acid concentration of 3.0 mol/L, temperature of 90 °C, and liquid: solid ratio of 4:1. As shown in Fig. 2 (d), upon increasing the leaching time, the leaching rate of vanadium increased first (40–100 h) before stabilizing (100–120 h), while the leaching rate of iron continued to increase steadily. This …

Study on Sintering Characteristics of Ultra-Poor Vanadium-Titanium …

The effect of calcium oxide on the crushing strength, reduction, and smelting performance of high-chromium vanadium–titanium magnetite pellets (HCVTMP) was studied in this work.

Simultaneous extraction of vanadium and titanium from vanadium …

The extraction of vanadium and titanium were 91% and 77%, respectively, after roasting at an AS-to-vanadium slag mass ratio of 4:1 and 370 °C followed by leaching in a 6% H2SO4 solution.

Theoretical Modeling and Experimental Evaluation of Vanadium …

Recovering vanadium from vanadium titanium-magnetite (VTM) ore using (NH 4) 2 C 2 O 4 is a clean hydrometallurgical process, but the drawback is the low recovery and slow kinetics due to the formation of inhibitor. A novel energy-efficient mathematical model was derived for green leaching of VTM in which the mechanical …

Partition of valuable components between slag and metal

The effect of calcium oxide on the crushing strength, reduction, and smelting performance of high-chromium vanadium–titanium magnetite pellets (HCVTMP) was studied in this work.

Influence of different comminution flowsheets on the …

Abstract. Comparative separation tests of vanadium titano-magnetite (VTM) were conducted in this study by employing a high-pressure grinding roller (HPGR) and a …

Reduction behavior of vanadium-titanium magnetite

The crushing strength of VTM-CCB after reduction is found to decrease from 1800 N to 600 N correspondingly with increasing temperature from 600 °C to 1100 °C. The loss ... Vanadium-titanium magnetite (hereinafter abbreviated as VTM), containing iron as well as vanadium and titanium, is a valuable material for the metallurgical industry [1 ...

Effect of diboron trioxide on the crushing strength and …

The effect of diboron trioxide (B2O3) on the crushing strength and smelting mechanism of high-chromium vanadium–titanium magnetite pellets was investigated in this work. The main characterization methods were X-ray fluorescence, inductively coupled plasma–atomic emission spectroscopy, mercury injection porosimetry, X-ray diffraction, metallographic …

Effect of TiO2 on the Crushing Strength and Smelting …

The crushing strength of high-Cr V-Ti pellets after oxidization with different TiO2 contents before and after grinding is shown in Figures 1(a) and (b). The grinding treatments were for the raw materials of high-chromium vanadium-titanium magnetite and titanium concentrate, hereinafter … See more

Oxidation kinetics of a low-grade vanadiferous …

Abstract. In order to better develop and utilize the low-grade vanadiferous titanomagnetite concentrate with high titanium (LVCHT) and provide reference for the …

Effect of diboron trioxide on the crushing strength and …

Effect of diboron trioxide on the crushing strength and smelting mechanism of high-chromium vanadium–titanium magnetite pellets. Published: 09 November 2017. …

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 …

Effect of high-pressure grinding rolls pretreatment on the …

Vanadium-titanium magnetite (VTM) is considered as an important strategic mineral, ... HPGR is recognized as energy-saving crushing technology, which is widely used in the pre-grinding stage of mineral processing and cement industries [13]. Guo et al. presented high pressure roller crushing can produce more stress cracks, intragranular …

Effects of basicity and temperature on mineralogy and …

The effects of basicity and temperature on the reduction process of Hongge high-chromium vanadium-titanium magnetite (HCVTM) sinter were investigated in this work. The main characterization methods of X-ray fluorescence (XRF), X-ray diffraction (XRD), scanning electron microscope (SEM), and metallographic microscope were …

Efficient Extraction of Vanadium from …

strengthens the vanadium extraction and the kinetics model was established to further explain the effect of potassium salt. 2. Experimental 2.1. Materials The vanadium–titanium magnetite ore used in the experiment was from Chao-yang, China. After crushing and grinding, the particle size of the ore was 0.074 mm, accounting for 65% of the

Effect of Calcium Oxide on the Crushing Strength, …

The effect of calcium oxide on the crushing strength, reduction, and smelting performance of high-chromium vanadium–titanium magnetite pellets (HCVTMP) was studied in this work. The main characterization methods of an electronic universal testing machine (EUTM), X-ray fluorescent (XRF), inductively-coupled plasma-atomic …

Investigation of microcrack formation in vanadium-titanium …

Influence of crushing process on separation of vanadium-titanium magnetite In the conventional separation process for vanadium-titanium magnetite, titanium magnetite concentrate (containing vanadium minerals) with an Fe grade of 55.05% is obtained by stage grinding to 65% passing 0.074 mm and low-intensity magnetic separation.

AVANTIS – Sustainable, decarbonised co-extraction of vanadium …

Sustainable, decarbonised co-extraction of vanadium and titanium minerals from Europe's low-grade vanadium-bearing titanomagnetite deposits - AVANTIS. Project rationale. ... and reduced energy demand in the crushing and grinding stages. Likewise, AVANTIS designs tailored, water-free and water-lean pre-concentration technologies that can produce ...

High-Efficiency Smelting Separation of Vanadium–Titanium …

South African vanadium–titanium magnetite is a complex mineral resource rich in iron, vanadium, titanium, and chromium [1,2,3].Its ore composition is composed of more than 20 elements [4,5,6].It is the most complex ore of its type in the world and contains more than 10 valuable elements, so it has a very important integrated utilization …

Effect of TiO2 on the Sintering Behavior of Chromium-Bearing Vanadium …

The effect of calcium oxide on the crushing strength, reduction, and smelting performance of high-chromium vanadium–titanium magnetite pellets (HCVTMP) was studied in this work.

Separations | Free Full-Text | Process Mineralogy …

Vanadium titanomagnetite (VTM) is a valuable multi-element symbiotic ore mainly composed of iron, vanadium, and titanium, as well as small amounts of chromium, nickel and cobalt [1,2,3].The …

Study on the High-temperature Properties of High

Effect of TiO 2 on the Crushing Strength and Smelting Mechanism of High-Chromium Vanadium-Titanium Magnetite Pellets. Metall Mater Trans B (2016) ... (EVR), formed during the smelting and extraction of High-chromium vanadium-titanium magnetite (HCVTM), should be used cyclically, and its use as a sintering material to prepare sinters …

Effect of Calcium Oxide on the Crushing Strength, …

The effect of calcium oxide on the crushing strength, reduction, and smelting performance of high-chromium …

Effect of Calcium Oxide on the Crushing Strength, …

Keywords: high-chromium vanadium–titanium magnetite; calcium oxide; crushing strength; reduction and smelting 1. Introduction Vanadium–titanium magnetite [1–5], as one kind of significant mineral resources, is rich in the valuable elements Fe, V, Ti, Cr, etc., and there are greater than 45 billion tons of these specific ores that

Reduction behavior of vanadium-titanium magnetite …

Semantic Scholar extracted view of "Reduction behavior of vanadium-titanium magnetite carbon composite hot briquette in blast furnace process" by W. Zhao et al. ... The effect of TiO2 on the crushing strength for high-Cr V-Ti magnetite pellets was studied in this paper. On one hand, the crushing strength obviously decreased with the …

Mount Peake Vanadium-Iron-Titanium Project

The vanadium-iron-titanium deposit discovered by TNG in 2008 is located within the Neoproterozoic sediments of the Georgina Basin. The ore body is hosted by a differentiated basic sill with minor ultrabasic layers. ... The ROM ore will be transported to the beneficiation plant where the ore will undergo two-stage crushing before passing …

Investigation of microcrack formation in vanadium …

HPGR, microcrack, vanadium-titanium magnetite, crushing process. How to cite: Guo, X., Cui, S., Dai, S., Han, J., and Wang, C. . Investigation of microcrack formation in …

Phase transformation and slag evolution of vanadium–titanium …

The effect of calcium oxide on the crushing strength, reduction, and smelting performance of high-chromium vanadium–titanium magnetite pellets (HCVTMP) was studied in this work.

Efficient Extraction of Vanadium from …

The vanadium–titanium magnetite ore used in the experiment was from Chao-yang, China. After crushing and grinding, the particle size of the ore was −0.074 mm, accounting for 65% of the total particle size. In …