Vanadium is a strategic metal and its compounds are widely used in industry. Vanadium pentoxide (V2O5) is one of the important compounds of vanadium, which is mainly extracted from titanomagnetite ...
Reduction roasting-magnetic separation realizes the separation of titanium and iron in high-titanium beach titanomagnetite.However, the TiO 2 grade in titanium concentrate is low, and few studies have investigated low-titanium beach titanomagnetite. The preconcentration-reduction roasting and magnetic separation process was developed to utilize the low-titanium …
The Baima vanadium titanomagnetite deposit, located in the Panzhihua-Xichang (Panxi) metallogenic belt in China, is one of the super-large deposits in the region.
iron sand of titanomagnetite type used energy dispersive spectroscopy (EDS) and to analyze the phases use X-ray diffractometer (XRD). 2. Materials and methods Iron sand was retrieved from Lampung, Indonesia. 100 g of iron sand was prepared and separated using magnetic separator with a low magnetic field about 1000 Gs to eliminate major impurity ...
This novel process achieved an effective processing of the sand and obtained a high-grade ilmenite concentrate assaying 46.30% TiO 2 with a high recovery of 57.88%, and a by-product …
The technology used to process titanomagnetite is currently limited to the rotary kiln-electric furnace. Other techniques are being developed, including the separation of iron in the form of iron ...
This novel process achieved an effective processing of the sand and obtained a high-grade ilmenite concentrate assaying 46.30% TiO2 with a high recovery of 57.88%, and a …
The composite nature or liberation of titanomagnetite grains is shown to favor high and low grade composites with few intermediate compositions being isolated. The relationships between grain …
This study explores the extraction of the vanadium from titanomagnetite ironsand (IS) from the West Coast of New Zealand, and a vanadium-rich concentrate (VRC) which is formed during the New Zealand steel-making process from this titanomagnetite
Separation Study of Titanomagnetite Fe. 3-x. Ti. x. O. 4. from Natural Sand at Indramayu, West Java. Titanomagnetite FeTiO. 4. has been obtained from metal sand which is separated from natural sand at Indramayu using magnetic separator with the magnetic field 0,3 Tesla. This method can improve titanomagnetite content from 32% to 63,6%. According to
The phase composition of VTM consists of 84.11% titanomagnetite, 6.52% hematite-limonite, 1.41% ilmenite, 3.87% olivine, and 3.31% alumina. ... VTM displays a diverse array of ore structures, primarily comprising crystalline formations and solid solution separation structures. Fig. 2. Characteristics of phase embedding between titanomagnetite ...
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 …
A typically low-grade titanium sand was first ground and then processed by low-intensity magnetic separation (LMS) and high gradient magnetic separation (HGMS) to recover titanomagnetite …
The titanomagnetite concentrate is fed into a pre-reduction kiln along with a coal reductant. The primary function of the kiln is to remove oxygen from the iron sand to produce a partially reduced material with a suitable amount of carbon remaining for the smelter feed.
the separation of titanomagnetite and ilmenite, and that grinding and magnetic separation. are indispensable operational units. T able 1. Chemical compositions of the LVTC/mass (%).
The rational melting separation parameters for high-chromium vanadium–bearing titanomagnetite contained a C/O of 1.2, a melting temperature of 1625°C, a melting time range of 40–50 min, an ...
Fe-separation tailing In a cyclonic-static micro-bubble flotation column Collector (Combined reagents) [28] 13.44 / 46.62 40.42 Pine oil/sodium silicate Fe-separation tailing High-gradient ...
The technology used to process titanomagnetite is currently limited to the rotary kiln-electric furnace. Other techniques are being developed, including the separation of iron in the form of iron ...
has been obtained from metal sand which is separated from natural sand at Indramayu using magnetic separator with the magnetic field 0,3 Tesla. This method can improve titanomagnetite …
Preparation of titanium mineral from vanadium titanomagnetite concentrates by hydrogen reduction and acid leaching. Author links open overlay panel Zheng-pei YAN a b, Ying ZHANG b, Shi ... The separation efficiency between Ti and Fe under various reduction conditions was characterized by the Fe/Ti molar ratio of the leaching residue and ...
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The technology used to process titanomagnetite is currently limited to the rotary kiln-electric furnace. Other techniques are being developed, including the separation of iron in the form of iron ...
The preconcentration-reduction roasting and magnetic separation process was developed to utilize the low-titanium beach titanomagnetite. The effects of graphite dosage, …
In coal-based reduction roasting and magnetic separation of beach titanomagnetite, iron minerals are reduced to metallic iron, and titanium-bearing minerals remain in the oxides form [40, 41].The reduced products were subjected to grinding and low-intensity magnetic separation to obtain direct reduction iron for steelmaking and titanium concentrate [[42], [43], [44]].
Titanomagnetite (TTM) is one of the raw materials to produce iron, titania, and vanadium. Indonesia is one of the countries that has titanomagnetite resources, mainly from the iron sand on the beach, in the amount of 941 million tons. The technology used to process TTM is currently limited to the rotary kiln-electric furnace 1, 2. It is ...
The feasibility and mechanisms of using the blast furnace dust as a reductant in direct reduction-low intensity magnetic separation of Indonesian seaside titanomagnetite were investigated.
The electric arc furnace (EAF) smelting ilmenite concentrate process which produces titania slag, is high energy consumption, high pollution, and low efficiency process. An economical and clean process for semi-molten reduction followed by magnetic separation to produce titania slag from Panzhihua ilmenite concentrate is proposed. In the present study, …
The results show that a concentrate with a TiO2 grade of 9.90% can be separated via weak magnetic separation and coarse particle tailing dumping. The concentrate grade is then increased to 14.32% via strong magnetic separation …
Separation Study of Titanomagnetite Fe3-xTixO4 from Natural Sand at Indramayu, West Java. Titanomagnetite FeTiO4 has been obtained from metal sand which is separated from natural sand at Indramayu using magnetic separator with the magnetic field 0,3 Tesla. This method can improve titanomagnetite content from 32% to 63,6%. According to X-ray diffractometer (XRD) …
Reduction roasting-magnetic separation realizes the separation of titanium and iron in high-titanium beach titanomagnetite. However, the TiO2 grade in titanium concentrate is low, and few studies ...
The co-reduction roasting and grinding magnetic separation‒of seaside titanomagnetite and blast furnace dust was investigated with and without fluorite addition at a reduction roasting ...
Vanadium-titanium magnetite (VTM), which is abundant in the Panzhihua region of China, contains not only iron, titanium, and vanadium but also chromium, gallium, scandium, and other useful elements (Li et al., 2017, Silin et al., 2020, Guo et al., 2020).Vanadium-titanium magnetite tailings (VTMT) were produced in massive quantities during the mining and …
In this study, a superconducting high gradient magnetic separation (S-HGMS) technology was used to separate and extract quartz from sea sand.
This study addressed the separation and recovery of vanadium(IV), iron, and titanium from synthetic and real leach solutions of vanadium-bearing titanomagnetite using extractant P204 (di-(2-ethylhexyl) phosphate) and P507 (2-ethylhexyl hydrogen-2-ethylhexyl phosphonate). Based on the speciation analysis of vanadium in sulfuric acid medium, the …
The possibility of producing a marketable magnetite product from a titanomagnetite-bearing fluviatile beach sand by magnetic separation under suitable conditions was to be examined. a sample of beach sand from Mingan, Canada, containing titanomagnetite, The 20-ton sample …
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, accounting for 93% of China's total domestic reserve of …
The majority of vanadium in titanomagnetite deposits occurs as V 3+, with a small amount of V 4+. X-ray absorption near edge structure spectroscopy (XANES) of seven titanomagnetite samples from different locations has shown that only approximately 2–17% of the vanadium was present as V 4+ (Balan et al., 2006).