The specific experimental scheme of oxygen-enriched sintering of vanadium-titanium magnetite is shown in Table 4. Table 4. Experimental scheme. After the raw materials are prepared in accordance with the proportion scheme in Table 3, the materials are first artificially mixed evenly on an iron plate.
In order to reasonably utilize the abundant resources of high-phosphorus iron ore and ilmenite in China, the technology of top-blown smelting reduction with oxygen enrichment was used to smelt the mixed ore of high-phosphorus iron and ilmenite. The effect, which is related to basicity, reduction temperature, carbon-oxygen ratio and time …
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 ore enrichment [].Therefore, the question of how to improve comprehensive utilization of vanadium-titanium magnetite concentrate (VTMC) is of decisive importance for the …
The direct reduction iron containing 94.95% iron and 0.75% TiO2, titanium concentrate assaying 31.10% TiO2 were produced under optimal conditions, and metal recovery for both products exceeded 80%.
In terms of the metallurgical enrichment, titanium enters into the slag system to form titanium slag, which is then separated from ferrovanadium. Ma et al. …
The invention discloses a method using a high-titanium iron ore as a raw material, pulverized coal as a reducer and limestone and dolomite as a fusing agent to produce molten iron and high-titanium slag under the condition of oxygen-enriched top blowing, which belongs to the technical fields of energy resources and metallurgy. The method …
To comprehensively utilize the low-iron high-vanadium–titanium magnetite, a new method of vortex smelting reduction of vanadium–titanium magnetite was proposed, and the enrichment and reconstitution regularity of Ti-bearing phases in the slag was investigated through X-ray fluorescence spectrometry, X-ray photoelectron …
In contrast, VTM is a multi-metallic iron-based ore containing iron, titanium, and vanadium as the main constituents [24,25]. Since VTM has a high iron and titanium content, many recovery studies have been conducted from the viewpoint of developing processes for titanium enrichment [26,27]. Studies on the beneficiation process for …
Under the condition of high basicity, the smelting temperature of 1600 °C, basicity of 1.0, carbon ratio of 1.4, smelting time of 100 min, the recovery and mass …
Titanium (Ti) Ore. Modified date: 23/04/2023. Titanium is a chemical element with the symbol Ti and atomic number 22. It is a lustrous, silver-grey transition metal known for its high strength, low density, and excellent corrosion resistance. Titanium is widely used in various industrial applications due to its unique properties.
White titanium ore occurs in the ore layer at low concentrations. It appears in the form of bright granules with a glassy luster and is a decomposition product of titanium magnetite ... The iron ore concentrate after enrichment contains 65% TFe, 5% TiO 2, and 0.73% V 2 O 5. 4.4.7.
It is apparent from the above results that when the reduction temperature is 580 °C and the CO concentration is 30%, iron minerals and titanium minerals are better enriched in the concentrate and tailings, respectively, after magnetic separation. After comprehensive considerations, the appropriate CO concentration was determined as …
The traditional source of titanium is from mineral sands, namely rutile and more significantly ilmenite. Rutile supply is declining and there are questions over long term supplies of ilmenite. Existing hard rock processors of titanium have a minimum titanium feed grade of +34% TiO 2
Oxygen enrichment is believed to improve productivity and reduce fuel consumption, while gas fuel injection is assumed to improve the product yield and quality in iron ore sintering process. It is important to understand the mutual effect of oxygen enrichment and gas fuel injection for combined usage of these two techniques. A mathematical model is …
This paper looks at the methods used and various process routes being considered for potential new titaniferous magnetite projects. CITATION:Connelly, D, 2019. Titaniferous magnetites as a source of vanadium titanium and iron, in Proceedings Iron Ore 2019, pp 441448 (The Australasian Institute of Mining and Metallurgy: Melbourne).
The reduction condition is most even and excellent at 30 min, and the size of metallic iron phase is moderate, which is consistent with the optimum recovery ratios. …
Abstract. In this study, extraction of aluminum-, iron-, and titanium-bearing constituents from diaspore-type bauxite ores was investigated by stepwise treatment …
1. Introduction. The vanadium–bearing titanomagnetite (VBT) is a strategic and complex iron ore, which containing valuable metals of vanadium, titanium, and iron used as constituents of several alloys, whitepigments, and steel [1], [2], [3].In China, the gross reserve of titanium in VBT ore is estimated to be about 1.18 million tons, …
Abstract. We present an optimized magnetic separation process to improve the recovery of high-content vanadium and titanium concentrates from …
TiO 2 grade of titanium concentrate and the iron recovery of reduced iron products gradually decreased with an increase in calcium fluoride dosage, which shows that with the addition of calcium fluoride, the formation of low titanium content ilmenite and …
Vanadium-titanium magnetite is a complex symbiotic iron ore resource composed of iron, vanadium, titanium and other metals, which is one of the most important iron ore resources in China …
Indian low grade iron ores mostly contain quartz, gibbsite, and clay as the major impurities.Depending upon the ore characteristics, in many instances froth flotation has to be used to recover the hematite and other iron oxides from the ground ores. In this context, the difference in silica and alumina content in low grade iron ores is brought to …
Individual enrichment of titanium and iron from low-titanium beach titanomagnetite via preconcentration-reduction roasting and magnetic separation with …
Chemical element - Ore Deposits, Geochemical Enrichment… WebA large proportion of the world's zirconium, hafnium, rare earths, and thorium, and some iron and titanium, come from such deposits in river and beach sands.
The value of titanium in sponge form is presently worth $9 to $10 a pound; in plate and sheet is 2 to 3X that. Titanium Ore Extracting Flowsheet. The flowsheet shown was developed for a mixed rutile and ilmenite ore containing some magnetite. Concentration in this typical case starts at about 10 mesh and continues on into the …
Titanium mobility preserved in association with microfossils in an iron-rich duricrust capping an iron ore deposit
The world-class El Laco iron deposit in the ELVC consists of six massive magnetite ore bodies that are spatially associated with the pre-existing subvertical annular collapse structures and ...
Semantic Scholar extracted view of "Individual enrichment of titanium and iron from low-titanium beach titanomagnetite via preconcentration-reduction roasting and magnetic separation with calcium fluoride" by Shichao Wu et al. ... The increasing demand for iron ore in the world causes the continuous exhaustion of magnetite resources. The ...
The formation and ongoing evolution of ferruginous duricrusts that cap iron ore deposits in Brazil continues to be a research topic of geological (Levett et al., 2020d; ... the titanium-enriched rim of a fragment boundary was mapped using Raman spectroscopy to determine the mineral phases and their distribution. For all analysis, a WITec Alpha ...
Beach titanomagnetite was obtained from the Hainan Mining Corporation in Hainan Province, China. Chemical multi-element analysis of beach titanomagnetite was performed, and the results are shown in Table 1. With 55.51% iron and 7.86% TiO 2, the ore is low-titanium beach titanomagnetite (TiO 2 < 8%) [17]. Fig. 1 indicates that it …