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In recent years, the recycling of waste resources and environmental management in industrial companies have attracted people's attention (Ciarapica et al., 2019).In the Panzhihua area of southwestern China, a large number of vanadium–titanium magnetite tailings (VTMT) are generated in the selection process of iron concentrate (Chen et al., 2016; Sun et al., 2019; …
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Titaniferous magnetite deposits are a significant source of vanadium for use in high-strength steel alloying and other chemical applications as well as producing titanium slag for the chloride production of titanium pigment. Ore beneficiation is practised to generate an iron-based mineral concentrate containing much of the vanadium with low ...
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1. Introduction. Vanadium titano-magnetite (VTM) is a typical resource in China. The reserves of VTM are approximately ten billion tons in the Panzhihua-Xichang region of China in which V and Ti account for 11.6% and 35.2% of the world reserves, respectively (Ping et al., 2011; Wang et al., 2008a; Wang et al., 2008b; Zheng et al., 2016).VTM concentrates has been …
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Titaniferous magnetite deposits are a significant source of vanadium for use in high-strength steel alloying and other chemical applications as well as producing titanium slag for the chloride production of titanium pigment.
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V-containing titanoferrous magnetite generally has low Ti and Fe contents, and enrichment to produce V-containing iron concentrate is performed to meet the requirements of …
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Vanadium titano-magnetite concentrate (<0.074 mm and its chemical composition can be seen in Table S1) ... Roasting followed by magnetic separation: a process for beneficiation of titano-magnetite ore. Sep. Sci. Technol, 50 (2015), pp. 1221-1229. Crossref View in Scopus Google Scholar [9]
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New Zealand Steel and others have produced vanadium slag by iron reduction and smelting of iron sands to produce steel and selling a vanadium slag. Of recent times, various groups have …
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After decades of development of the vanadium titanomagnetite (VTM) ore in the Panzhihua district changes have taken place to the ore characteristics. In addition, preliminary research carried out in this area mainly focused on the separation and extraction of iron resources and lacked a systematic research focus on the process mineralogy of ilmenite, resulting in a low grade and …
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One can observe that the main phase of the calcined vanadium-titanium magnetite pellets is magnetite (Fe 3 O 4), and there are also some vanadium-bearing titanium phases, ilmenite …
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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.
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The composition, the texture and structure, the mineralogical characteristics of major minerals, the main occurrences of major elements and the distribution rules of vanadium titanium magnetite of Hongge area, Panzhihua, Sichuan Province of China, were studied in details by the methods of chemical multi-elements analysis, optical microscope, scanning electron microscope (SEM), …
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High-quality oxidized pellets are the basis to achieve high-efficiency utilization of vanadium–titanium magnetite (VTM) ores. Bentonite was used as a binder of VTM. The main phase composition of VTM is …
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process of V-Ti magnetite resources [15–19]. 2. Materials and Methods 2.1. Sampling The ore samples used in this study were from a low-grade phosphorus-containing vanadium titano-magnetite tailings produced by a concentrator in Miyi region after recovering iron and titanium using magnetic separation and flotation.
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Namakwa Sands is a heavy minerals mining and beneficiation business in the Anglo Base Metals Division, and operates along the West Coast of South Africa. ... Panzhihua vanadium titano-magnetite, a ...
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At present, the methods of comprehensive utilization of vanadium-titanium magnetite tailings are mainly divided into two categories: tailings reseparation (Valuable metal recycling) and overall utilization. According to the nature and composition of the tailings, in the tailings reseparation uses gravity separation, magnetic separation, flotation, chemical …
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Titano-magnetite is an ore of iron and titanium, and is highly magnetic. Magnetite and ilmenite are two major minerals. Ilmenite exhibits various textural dispositions. Widmanstatten and granular exsolution textures are important ones exhibited by the constituent mineral. Reduction roasting followed by two-stage LIMS gives a magnetic concentrate of 65.74% Fe at …
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The invention belongs to the technical field of comprehensive utilization of mineral resources, and particularly relates to a beneficiation method for recovering phosphorus from vanadium titano-magnetite tailings with extremely low phosphorus content, which has the following specific scheme: further grinding, sulfur selecting, iron selecting and titanium selecting are carried out …
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Vanadium-bearing titaniferous magnetite bands hosted by Precambrian gabbro-norite-anorthositic rocks or their metamorphic equivalents were discovered in some parts of Eastern Indian Shield, containing 48%–49% Fe (total), 10%–25% TiO2, and 0.3%–2.20% V2O5 by mass. Mineralogical and petrological study, composition, and characterization of the …
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Unlike other metals such as copper, nickel or zinc, vanadium does not form concentrated deposits. Owing to the similarities between the V 3+ and Fe 3+ cations, vanadium is often found as a minor component of iron minerals. 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 …
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The utility model relates to a vanadium titano-magnetite beneficiation wastewater circulating treatment pond which comprises a concentration pond, a sedimentation pond, a circulation pond and a clean water pond, wherein the upper part of the concentration pond is in a cylindrical shape, and the lower part of the concentration pond is in a reverse cone shape; a water discharge port …
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Experimental Methods. To investigate the mineral phase composition, phase embedding characteristics, and distribution behavior of the main elements in a typical vanadium titano-magnetite concentrate, the VTM sample was mixed, divided, and sampled for XRD analysis, chemical phase analysis, optical microscopy analysis, and SEM-EDS analysis.
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A new process of extracting titanium from vanadium–titanium magnetite (VTM) in the Panxi area in Sichuan, China is introduced in this work. Various experiments, including reduction–magnetic separation, leaching and hydrolyzing experiments, are carried out. The results show that the optimum conditions for leaching experiments are an acid/slag ratio of 4:1, …
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Titano-magnetite is an ore of iron and titanium, and is highly magnetic. Magnetite and ilmenite are two major minerals. Ilmenite exhibits various textural dispositions.
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Low grade P-Containing vanadium titano-magnetite tailings from iron and titanium separation in the Miyi Region were treated using a direction flotation process. The separation indexes of phosphorous concentrate with a P …
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A large number of unexploited low-grade vanadium-titanium magnetite deposits have been found in the Chao-yang area of China in recent years. The reserves are estimated at more than 20 billion tons. A mineralogical study of raw sample indicated that it was a typical low-grade vanadium-titanium magnetite ore with weathering. Most of vanadium-titanium magnetite …
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In this process, 41.5% of iron can be recovered in the beneficiation step, and approximately 58% can be recovered in the carbothermic reduction-magnetic separation step. 70.21% of vanadium can be recovered as the vanadium-bearing solution, and 12.95% can be recycled as the ferroalloy. 57.2% of chromium are remained in the vanadium slag through ...
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Vanadium-titanium magnetite is a significant source of iron, vanadium and titanium, accompanied by a variety of valuable elements, which is internationally recognized as a strategic mineral [1], [2].Currently, the comprehensive utilization of vanadium-titanium magnetite mainly includes blast furnace process and non-blast furnace process [3], [4].In the smelting process, …
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This is an essay in the field of mining engineering. Panzhihua is the largest vanadium-titanium magnetite resource base in China. With the development and utilization of vanadium titanium resources, a large number of tailings have been produced, which not only occupies a lot of lands but also useful ingredients are not fully utilized, resulting in resource waste.
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Leaching titaniferous magnetite concentrate with alkali solution of high concentration under high temperature and high pressure was utilized to improve the grade of iron in iron concentrate and the grade of TiO2 in titanium tailings. The titaniferous magnetite concentrate in use contained 12.67% TiO2 and 54.01% Fe. The thermodynamics of the …
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Comparative separation tests of vanadium titano-magnetite (VTM) were conducted in this study by employing a high-pressure grinding roller (HPGR) and a jaw crusher (JC); these were followed by a parallel and stage separation, respectively. ... In the process of ilmenite beneficiation, it is difficult to avoid the production of a certain amount ...
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Efficient recovery of titanium from titaniferous magnetite ores continues to be a promising, yet unrealised opportunity, despite significant occurrences of titaniferous magnetite deposits worldwide and the existence of established industrial-scale practices. Current smelting processes only recover iron and vanadium, while the titanium is discarded in the waste slag. These slags …
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Vanadium titano-magnetite (VTM) is a polymetallic symbiotic iron ore primarily containing iron, vanadium, and titanium. ... Midi concentrator is one of the most typical VTM beneficiation plant in Panzhihua area. Its technological process (Fig. 1) chiefly include stage grinding and stage separation (Kothari, 1974, Bulatovic and Wyslouzil, 2009 ...
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High-quality oxidized pellets are the basis to achieve high-efficiency utilization of vanadium–titanium magnetite (VTM) ores. Bentonite was used as a binder of VTM. The main phase composition of VTM is …
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The invention discloses a beneficiation process and a beneficiation system for high vanadium titano-magnetite, which adopt the following process steps: (1) carrying out first-stage ball milling on pre-selected concentrate obtained by wet pre-selecting the ore pulp of the high vanadium titano-magnetite; performing spiral grading on ore discharge of the first-stage ball milling, …
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Comprehensive Utilization of Vanadium–Titanium Magnetite Deposits in China Has Come to a New Level. HAO Ziguo, HAO Ziguo. Chinese Academy of Geological Sciences. Editorial Office of Acta Geological Sinica Geological Society of China. Search for more papers by this author. FEI Hongcai,
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A reducing roast process has been shown to be effective for separating iron from vanadium, titanium and chromium in titanomagnetites, enabling the production of separate …
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