Abstract. A low-TiO 2 ilmenite (ilmenite-M) was separated from the vanadium–titanium magnetite ore in Panzhihua, and its chemical composition and …Web
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Ilmenite is the primary feedstock for the manufacturing of titanium goods, however it needs to be refined before the usage. Becher is an eco-friendly process for refining ilmenite by rusting metallic iron from reduced ilmenite to separate iron and TiO 2, and NH 4 Cl is the commonly utilized solvent in this method. In the current study, the …Web
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Sodium trans-2-nonene hydroxamate (NaTNA), a derivative of hydroxamic acid, was successfully synthesized as an effective collector for the flotation separation of ilmenite and forsterite.Micro-flotation results showed that NaTNA exhibits a superior flotation performance for ilmenite compared to sodium oleate. To elucidate the flotation …Web
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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 ...Web
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Therefore, based on previous studies, semi-molten reduction of ilmenite, followed by wet grinding and magnetic separation of slag from iron, was conducted to produce UGS with low-grade ores. This study aims to investigate the effect of Na 2 CO 3 on the semi-molten reduction of ilmenite and the separation behavior of slag from iron. …Web
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However, most previous studies focused on the flotation of ilmenite under weakly acidic conditions (optimum pH range for collectors used in associated studies), ignoring the adverse effect of pH ...Web
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The removal of chromium-containing impurities, such as chrome spinel (ZCr2O4 where Z = Fe, Mg, Mn) from ilmenite (FeTiO3) concentrates through selective sulphidation, has been investigated by the authors. Laboratory experimental studies using sulphur added to ilmenite concentrates under Becher-type reduction conditions showed …Web
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In contrast, this study illustrates the exported quantity (in the weight ratio of 35:3:1) of ilmenite, rutile, and zircon minerals during the last decade. Ilmenite is the dominant heavy mineral in Sri Lanka, and thus, its production and price volatilisations are essential to understand the current status and predict the future behaviour of the ...Web
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After characterizing the heavy minerals in terms of the abundance of each mineral species, the mean values of content relative to total economic heavy minerals (TEHM) were determined as 70.03%...Web
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The high grade ilmenite (90.46 %) and recovery of 29.38% was obtained using 5 Ampere with single splitter opening of 1.0 cm. Up to date, the study on ilmenite separation from tailing only focused ...Web
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In the presented study, refractory ilmenite ore in Panzhihua was processed with high gradient magnetic separation coupling with magnetic fluid (HGMSCMF) using SLon cyclic pulsating high gradient magnetic separator and paramagnetic MnCl 2 solutions. Key parameters influencing separation efficiency of ilmenite were systematically …Web
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The high grade ilmenite (90.46 %) and recovery of 29.38% was obtained using 5 Ampere with single splitter opening of 1.0 cm. Up to date, the study on ilmenite separation from tailing only focused ...Web
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Generally, ilmenite 1 contains more than 58% titanium oxide and ilmenite 2 contains 54% titanium oxide. All of these separations generate rejects that will be recycled in the separation process. The non-magnetic product (WHNM) is then treated to produce zircon, rutile and leucoxene concentrates. An electrostatic separation is first done. The con-Web
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Thus, it was confirmed that the optimum magnetic intensity to obtain ilmenite concentrate with excellent titanium content was 0.3 T in the multi-step magnetic separation process of this study. As a second step, magnetic separation was performed at a medium-intensity of 0.3 T on the Product 2 and Product 4 generated by each process step.Web
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The activation mechanism of Pb 2+ ions to ilmenite and the subsequent interaction with benzyl hydroxamic acid (BHA) were systematically investigated. The Pb 2+ ions modification occurred via a chemical adsorption process, in which lead species interacted with iron hydroxyl compounds to form lead-containing complexes on the …Web
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be a potential route for chromia separation from ilmenite. That is, by exploiting the changed surface properties of chrome spinel due to the formation of thin layer of sulfide, physical separation processing using techniques such as froth flotation, ... then followed by a series of magnetic separation studies to attain a chrome spinel free ...Web
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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.Web
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Introduction. Ilmenite is one of the main titanium minerals, whose chemical composition is FeTiO 3 [ 1, 2 ], it is also an important industrial metal for aerospace and …Web
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Conclusions. The magnetic properties and the magnetic separation behavior of ilmenite, hematite and a rutile sample (LR Rutile) produced from Athabasca oil sands tailings were studied and the following conclusions can be drawn: 1. Oxidation roasting increased the magnetic susceptibility of ilmenite within the temperature range of …Web
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carbothermal reduction of ilmenite, and TiO 2 is then reduced to a series of low-valence titanium oxides.[2,4–12] Studies on the enhanced reduction and separation of ilmenite have been conducted, including pre-oxidation treatment,[13–17] additive addition,[18–23] and mechanical activation,[24–26] to improve the reduction efficiency of ...Web
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In this study, a novel method termed high gradient magnetic separation coupling with magnetic fluid (HGMSCMF) was developed to recovery ilmenite in Panzhihua. Paramagnetic MnCl 2 solutions were introduced to eliminate competing capture between ilmenite and titanaugite particles and improve selectivity.Web
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The reduced ilmenite, obtained from the carbothermic reduction of ilmenite concentrate in a rotary kiln at about 1100 °C, contained 62.88% TiO2 and 28.93% Metallic iron. ... In the present work, we report a study of aeration leaching of reduced ilmenite at room temperature. Aeration leaching experiments using the hydrochloric acid system with ...Web
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In order to improve the ilmenite recovery, most of previous studies pay attentions to the development of novel collectors [8], [9] and surface modification of ilmenite through cation activation [10], surface dissolution [11] and microwave irradiation [12]. ... However, the flotation separation of ilmenite from gangue minerals using starch as ...Web
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A low-TiO 2 ilmenite (ilmenite-M) was separated from the vanadium–titanium magnetite ore in Panzhihua, and its chemical composition and …Web
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Thus, it is necessary to further study the mineral characteristics and flotation process parameters of VTM ores. Therefore, in this work, the separation process of ilmenite from the Panzhihua VTM is studied using the mixed MOH/PG-1 collectors. The results show that the grade and yield of the ilmenite concentrate obtained using the mixedWeb
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Separation 1. Introduction Titanium (Ti), is a metal with lucrative applications in aerospace, military, medical devices, and environmental protection ( Chen et al., 2013, …Web
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In this study, the flotation and adsorption of Pb(II)/benzohydroxamic acid (BHA) complexes on the surfaces of ilmenite and titanaugite were compared to achieve their separation flotation.Web
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Mostly, certain mineral products or concentrates, such as columbite, tantalite, zircon, ilmenite, rutile, etc., are primarily obtained or result from these mineral processing or concentration techniques. 1 …Web
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Ilmenite is an essential mineral for the extraction of titanium. Conventional physical separation methods have difficulty recovering fine ilmenite, and dressing plants have begun applying flotation to recover ilmenite. The interaction of reagent groups with Ti and Fe sites on the ilmenite surface dramatically influences the ilmenite flotation. …Web
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The beach sands along the coasts of India contain large reserves of strategic minerals like ilmenite, monazite, zircon, etc. Monazite mineral is primarily used as an ore for extracting rare earths particularly cerium and lanthanum. In the present study, the chemistry and distribution of monazite found in the beach sands of …Web
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separation and recovery of ilmenite, one of the sources, has also attracted wide attention for a long time (Chen and Nakata, 2009; Chitichotpanya et al., 2019). Conventional grade ilmenite is mainly recovered by gravity separation, magnetic separation, flotation and electro-separation, and has a relatively matureWeb
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Triboelectric separation of ilmenite from quartz is also successful in lab experiments, provided optimum airflow rate, feed rate and voltage (Yang et al., 2018). Overall, there are some limitations impeding the popularization and industrial use of electrostatic separation in ilmenite dressing, such as high requirement for feedstock …Web
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In this study, the oxidation powder sample of ilmenite concentrate with 15% magnetite concentrate was prepared, and the subsequent isothermal reduction was investigated at temperatures in the range of 950–1050 °C with CO, H 2, and their mixtures.The hydrogen-rich atmosphere, magnetite effect, apparent activation energy, …Web
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Reagent types and action mechanisms in ilmenite flotation: A review. Jiaozhong Cai Jiushuai Deng. +5 authors. Shimei Li. Materials Science. International Journal of Minerals, Metallurgy and…. 2022. Ilmenite is an essential mineral for the extraction of titanium. Conventional physical separation methods have difficulty …Web
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This paper studies the effects of sodium polystyrene sulfonate (PSSNa) used as a depressant upon the separation of ilmenite from titanaugite through flotation when sodium oleate (NaOl) is used as a collector by performing single mineral flotation experiments. The depression mechanism of PSSNa on titanaugite flotation was studied …Web
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the economy of the country. Ilmenite can be obtained from the black sand through various techniques utilized during the ore processing, including magnetic separation, floating separation and electrostatic separation [18,22], where the ore material is majorly composed of 75% ilmenite, 10% rutile, 8% zircon and trace amounts …Web
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This paper presents the results of research on the development of a technology intended to process electric smelting dusts of ilmenite concentrate with the extraction of silicon and titanium and the …Web
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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 …Web
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