آخرین محصولات
Investigation of selective adsorption of sodium oleate during
The purified ilmenite and titanaugite were obtained from magnetic separation tailing of the titanium plant in Panzhihua city of China. Because ilmenite and titanaugite are the main components of the tailing, the two minerals were purified through a same purification process, which has been displayed in our former study (Yuan et al., …
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Separations | Free Full-Text | Separation of Ilmenite from …
Vanadium titanomagnetite (VTM) is an important mineral for developing titanium resources, but the comprehensive recovery of ilmenite separation is extremely poor, resulting in the low-efficiency utilization of titanium resources. Here, the separation of ilmenite from VTM ore is studied by combining magnetic separation and flotation …
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Minerals | Free Full-Text | The Performance and Adsorption
In this paper, a novel collector, dodecyl dimethyl betaine (BS-12), was used in the selective separation of ilmenite from titanaugite. The flotation performance and associated adsorption mechanism were studied by micro-flotation experiments, particle size analysis, Fourier-transform infrared (FT-IR) spectroscopy analysis, and X-ray …
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How to Separate Ilmenite?
The flotation separation of ilmenite from titanaugite can be performed using the mixed NaOL-DAA in a wide pH range of 5.0–7.0. In this pH range, the recovery of …
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Heavy Minerals Recovery from Sand & Gravel
Separation of Heavy Mineral Concentrates Moclips Beach Sample. The processing sequence for the recovery of gold, ilmenite, and zircon from the Moclips Beach sample is shown in figure 2. This sample contained more ilmenite and zircon per ton of sand than any of the other samples obtained from the sand and gravel plants.
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US5595347A
A process for enhancing ilmenite from deposits of mineral sands or mineral concentrates comprises a single stage fluidized bed magnetizing roast (16). A temperature of 650° C.-900° C. in an excess of a carbonaceous fuel (such as coal/char, CO or hydrocarbon) is used to provide an atmosphere in which the oxygen potential is controlled resulting in a …
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Activation of ilmenite flotation by sodium chlorite in the sodium
Ilmenite, which was provided by Lufeng County, Yunnan Province, was subjected to several times of magnetic and shaking table separation to remove impurities. The final concentrate was dry-milled using a three-head grinder (Nanchang Liyuan Mining Equipment Company) and screened to obtain minerals with a particle size of 38–74 μm …
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Pilot-Scale Demonstration of Ilmenite Processing …
separation to produce an ilmenite concentrate for hydrometallurgical testing. The beneficiation process resulted in three final products: high silica tailings, …
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Separation of Ilmenite from Vanadium Titanomagnetite by …
Here, the separation of ilmenite from VTM ore is studied by combining magnetic separation and flotation technologies. In particular, the floatability of mixed MOH/PG-1 collectors is thoroughly ...
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Centrifugal high gradient magnetic separation of fine …
Abstract. High gradient magnetic separation (HGMS) has been an effective method for the concentration or removal of fine para-magnetic particles …
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Minerals | Free Full-Text | Sulfuric Acid Leaching of Altered Ilmenite
The kinetics of the sulfuric acid leaching of altered ilmenite, mechanisms, and process intensification methods were studied. The effect of changing the chemical composition during grinding was determined. The content of ilmenite and pseudorutile decreased from 5.3% to 3.1% and from 90.2% to 63.1%, respectively. Rutile increased …
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Effect of selective coating of magnetite on improving magnetic
Magnetic separation of ilmenite from titanaugite was conducted by the selectively magnetic coating method in this study, and the mechanism of magnetite coating on ilmenite was investigated by calculating the interaction force. After magnetic coating, the recovery of TiO 2 in mixed mineral magnetic separation increased by 36%. Scanning …
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Technology for Complex Processing of Electric Smelting …
separation using the ammonium fluoride method. The optimum conditions for the fluorination and sublimation process of silicon compounds from the electric smelting dust of the ilmenite concentrate
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Mathematical Model of Ilmenite Separation Efficiency Using a …
ilmenite is also mixed with impurities, it must be separated to obtain the high grade ilmenite. At present, the main separation methods include flotation [3,4], gravity [5], magnetic separation [6,7], and so on. For example, decanoic acid was found to be an effective collector, to float ilmenite in the strongly acidic pulp. The combination of ...
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Separation, upgrading, and mineralogy of placer magnetite in
The black sand magnetite is a raw material to produce iron and steel. High content magnetite in the top meter beach sands of the north-west of El-Burullus Lake of Egypt is separated and mineralogically and geochemically investigated. Magnetite content obtained by laboratory techniques varies between 2.92 and 0.11 wt%, with 1.15 wt% …
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The Four Major Methods of Ilmenite Beneficiation
And ilmenite is the main source of titanium resources, therefore, it is important to develop and utilize ilmenite. The four main beneficiation methods of ilmenite are gravity separation, magnetic ...
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Separation, reserve estimation and radioactivity responsibility of …
Ilmenite contains TiO 2 ranging from 57.18 to 59.94%; this agrees with Garnar 31, who states that TiO 2 in ilmenite ranges from 45 to 65%. In addition, several studies have noted the presence of ...
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Adsorption mode of sodium citrate for achieving
The ilmenite and titanaugite used in this study were purified from the magnetic separation concentrate picked from the Midi titanium processing plant in Panzhihua. As the sample was treated by high-gradient magnetic separation, pure ilmenite and titanaugite were obtained by purifying the sample using a shaking table.
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Enhanced separation for ilmenite tailings with a novel …
The results of this investigation indicate that this new process achieved a superior separation performance to the current one and produced a qualified ilmenite concentrate …
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(PDF) Processing of Black Sand for the Recovery of Metal
Before magnetic separation black sand contain about 43.2 wt% SiO2, Al2O3 with 21.1 wt% and Fe2O3 with 17.2 wt% and 12.0% TiO2. ... Ilmenite separation was carried out using a high intensity ...
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Direct Electrochemical Reduction of Natural Ilmenite into
The interactions between the various metals in the impurities of the ilmenite such as Mg, Al, Mn, V, and Si may be responsible for the removal of metallic impurities during electrochemical reduction, which may be conducive to the separation of metals/alloys from multicomponent compounds. 16 Additionally, Al may have formed …
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Separation mechanism of ilmenite from titanaugite with mixed …
Ilmenite was effectively separated from titanaugite over a wide pH region of 6–8 in the presence of mixed BHA/NaOL with a molar ratio of 7:3 and Pb 2+. As evidenced by zeta potential, AFM and XPS measurements, BHA and NaOL were more easily adsorbed onto ilmenite surface than titanaugite.
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Beneficiation of Ilmenite from Ultramafic Lamprophyres of Mithapukur
1. Introduction Titanium is widely used as titanium dioxide (TiO 2) for production of white pigment[1].Ilmenite (FeTiO 3, 52.6% TiO 2 and 47.4% FeO) is the most common source of titanium dioxide[2]. The term Ilmenite, as used in the titanium industry, commonly covers the entire range from unweathered Ilmenite with TiO 2 contents below …
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Fabrication of TiO2 Spheres and a Visible Light Active α …
High-purity (98.8%, TiO2) rutile nanoparticles were successfully synthesized using ilmenite sand as the initial titanium source. This novel synthesis method was cost-effective and straightforward due to the absence of the traditional gravity, magnetic, electrostatic separation, ball milling, and smelting processes. Synthesized TiO2 nanoparticles were …
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Investigation of selective adsorption of sodium oleate during
The purified ilmenite and titanaugite were obtained from magnetic separation tailing of the titanium plant in Panzhihua city of China. Because ilmenite and titanaugite are the main components of the tailing, the two minerals were purified through a same purification process, which has been displayed in our former study (Yuan et al., 2020b).
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Surface adsorption investigation of dodecylbenzenesulfonate
The ilmenite (FeTiO 3) and titanaugite (Ca(Mg, Fe, Ti, Al)[(Si, Al)] 2 O 6) used in this study were purified from the magnetic separation concentrate picked from the Midi titanium processing plant in Panzhihua.Processing details of the purified ilmenite and titanaugite were reported in our previous studies (Yuan et al., 2021a, Yuan et al., 2021b). ...
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Ilmenite
It can be seen that high-gradient magnetic separation plays a crucially important role in the recovery of fine ilmenite from the ore. In the flowsheet as shown in Figure 21, the feed is firstly processed by wet low-intensity drum magnetic separation to concentrate vanadic titano-magnetite, and then is effectively processed through an SLon pulsating high …
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Selective flotation separation of ilmenite from titanaugite using …
The flotation separation of ilmenite from titanaugite can be performed using the mixed NaOL-DAA in a wide pH range of 5.0–7.0. In this pH range, the recovery of ilmenite remains constant at approximately 90%, while the recovery of titanaugite remains < 25%. The best separation result can be achieved with NaOL-DAA molar ratios of 10:1.
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Chavara Irel (MRDS #10256189) REE, TI, ZR
these four companies are: 1. travancore minerals company ltd. 2. hopkin and williams (travancore) 3. f.x. pereira and sons 4. associated minerals subsequently, the state government made itself a partner to these companies. although year of initial production is unknown, peak production was 267,000 tons of ilmenite in 1940.
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Selective precipitation study for the separation of iron …
Efficient separation of Fe and Ti from Ilmenite was studied. • Simple and acid free process was developed. • Selective precipitation investigated using phenanthroline, …
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