flotation rutile

Selective flotation of ilmenite from ilmenite-rutile ...

Micro-flotation tests indicated that the recovery of rutile diminished to zero above pH 11.5 in the presence of 6×10 −6 M HTAA, while ilmenite kept floating at this pH. A selective separation of ilmenite from ilmenite-rutile mixtures was carried out using 7.5×10 −6 HTAA at pH 12. The flotation recovery of ilmenite reached 84 % while that ...

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MICRO-FLOATABILITY OF RUTILE AND ZIRCON WITH …

Key words:flotation, rutile, zircon, sodium oleate, tallow amine acetate INTRODUCTION Rutile (TiO2) and zircon (ZrO2.SiO2) are among the valuable constituents of heavy mineral sand deposits and contribute heavily to the economic viability of a majority of existing plant operations. Natural rutile is the favored feedstock mineral for the

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Flotation of rutile with anionic and cationic collectors ...

Results are presented which indicate the effect of pH and flotation‐collector type upon the flotation rates of natural rutile particles. Above pH ∼2.5, flotation rate decreases with increasing pH for anionic collectors and increases with increasing pH for a cationic collector.

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Rutile Mining Process | Equipment | Flow | Cases

4 Flotation. Most of China''s rutile resources are low-grade primary ore, it is difficult to separate by a single process of gravity separation, electro-election, magnetic separation, etc., and flotation is an important means of solving the fine-grain rutile ore selection.

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SURFACE CHEMISTRY AND FLOTATION BEHAVIOR OF …

 · RUTILE, AND ZIRCON WITH OCTANOHYDROXAMIC ACID Corby Anderson, Colorado School of Mines, USA [email protected] Josue Mushidi, Colorado School of Mines, USA Key Words: Flotation, monazite, apatite, ilmenite, quartz, rutile, zircon. Global increase in rare earth demand and consumption has led to a further understanding of their beneficiation

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Surface Chemistry and Flotation Behavior of Monazite ...

Monazite and the gangue minerals have similar flotation responses with respect to collector concentration Quartz has low floatability The optimum flotation of monazite in the pH range 7.5 ‐10 Sodium silicate is the best depression At 400 mg/L recovery: Monazite: 86% Rutile: 65% Zircon: 25%

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Froth flotation of rutile – An overview

 · Sometimes, flotation is used as a subsequent and/or complementary stage in an effort to achieve a cleaner product. For eclogite type of rutile ores, besides physical separation approaches, froth flotation is seen as an efficient technique applied for separating rutile from …

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Adsorption Mechanism of Pb2+ Activator for the Flotation ...

In this study, contact angle measurements were used to investigate the effect of Pb 2+ ions on the rutile flotation from the macro scale, and atomic force microscopy (AFM) was used to observe the Pb 2+ ions and provided some information on the adsorption of SPA on the rutile surface from the microscopic scale due to its high spatial resolution.

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A novel chemical scheme for flotation of rutile from ...

 · A novel chemical scheme for the flotation of rutile from eclogite tailings has been developed in this work. It consists of lead ion as the activator, sodium fluorosilicate (SF) as the depressant, and styryl phosphonic acid (SPA) and n-octyl alcohol (OCT) as the collector using the proposed scheme to treat a feed ore of 4.5% TiO 2, a rougher concentrate of grade 84.47% TiO 2 …

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CN102500462A

The invention discloses a rutile roughing technology for consisting of selective ore grinding, coarse particle gravity separation and fine particle floatation, belonging to the technical field of mineral processing engineering. According to the characteristics of complex mineral composition of rutile, containing of a large quantity of flaky rocky minerals in raw ore, small crystal size of ...

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A novel chemical scheme for flotation of rutile from ...

Abstract A novel chemical scheme for the flotation of rutile from eclogite tailings has been developed in this work. It consists of lead ion as the activator, sodium fluorosilicate (SF) as the depressant, and styryl phosphonic acid (SPA) and n-octyl alcohol (OCT) as the collector. By using the proposed scheme to treat a feed ore of 4.5% TiO2, a rougher concentrate of grade 84.47% TiO2 was ...

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Adsorption Mechanism of Pb2+ Activator for the Flotation ...

In general, the flotation of minerals containing titanium needs to be activated by metal ions due to a lack of activating sites on their surface. However, the activating process is indirectly inferred due to the lack of direct experimental observation. In this study, atomic force microscopy (AFM) was used to observe the activation process. The results revealed that the hydroxyl compounds of ...

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Titanium Ore Processing and Beneficiation

 · Possibilities For All Flotation Treatment of Titanium Ore. To develop a flowsheet for separation of high grade titanium-rutile from ilmenite, that will meet market requirements. Rutile has a SG of 4.2, hardness 6.0 to 6.5 and is non-magnetic; while ilmenite has a SG of 4.5 to 5.0, hardness of 5.0 to 6.0, and is weakly magnetic.

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Potential for Recovery of Rutile and Other Byproducts From ...

rutile recovery rate of 300 mt/d. Sullivan and Llewellyn (~) estimated that recovery of rutile from two of the tail­ ings they investigated would amount to about 32 pct of 1980 U.S. imports. A rutile flotation technique for rutile-bearing-Cu mill tailings was developed by Llewellyn and Sullivan (!). The success of that investigation led

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Flotation of rutile from almandine using sodium ...

 · The micro-flotation tests of single minerals were performed using an XFG-Ⅱ flotation machine with the stirring speed at 1750 rpm.The mineral suspension was prepared by adding 3.0 g of rutile (or almandine) to 40 mL of deionized water in the micro-flotation cell.

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Rutile Ore Titanium Flotation | Mineral Processing Methods ...

 · Rutile Titanium Flotation Processing. Description of titanium and rutile. Rutile deposit can be divided into metasediment, eclogite, hydrothermal alteration, metamorphic altered rock and weathering-sedimentation. Natural rutile is the high-quality raw material for producing titanium dioxide, titanium sponge, titanium tetrachloride series products.

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The Hydrophobic Aggregation Flotation of Rutile Particles ...

The mixture of rutile 10% and amphibole 90% has been separated by hydrophobic aggregation flotation and by conventional flotation for comparison. The size of rutile and amphibole samples is below 20μm. as a result of long time and intense agitation and addition of non-polar oit emulsion together with collector BBA, the flotation recovery of ...

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NIOSHTIC-2 Publications Search

Rutile flotation was most effective when a petroleum sulfonate collector was used in an acid circuit. From this basic method of flotation, two alternative procedures were developed. The first procedure was to size and grind the tailings to minus 200 mesh; deslime the total pulp; and then float the sulfides, carbonates, and rutile.

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Flotation behavior and mechanism of rutile in presence of ...

The flotation behavior of rutile in the system with sodium oleate as collector was studied through pure mineral test. When the dosage of sodium oleate is 20 mg/L, and pH value of the pulp is set from 6 to 8, the flotation recovery of rutile is over 80%. The highest recovery of rutile is 85.27% when pH value of the pulp is 7.5. Zeta potential and IR spectra results show that the chemical ...

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Zircon-rutile-ilmenite froth flotation process

 · More specifically, it relates to a froth flotation method for the separation of a bulk concentrate which comprises zircon from another bulk concentrate which comprises rutile and ilmenite. Conventional flotation processes have been used to separate minerals such as copper, molybdenum, zinc, iron, tungsten, and kyanite from waste and other minerals.

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The Activation Mechanism of Bi3+ Ions to Rutile Flotation ...

 · minerals Article The Activation Mechanism of Bi3+ Ions to Rutile Flotation in a Strong Acidic Environment Wei Xiao 1,2, Pan Cao 1,2, Qiannan Liang 1,2, Hong Peng 3, Hongbo Zhao 1,2, Wenqing Qin 1,2, Guanzhou Qiu 1,2 and Jun Wang 1,2,* 1 School of Minerals Processing & Bioengineering, Central South University, Changsha 410083, China; [email protected]

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Hydrophobic flocculation flotation of rutile fines in ...

flotation of rutile fines could be induced in the form of chemical adsorption by SPA to increase particle size. The data calculated from DLVO theory also indicated that chemical adsorption was the main reason for the formation of flocculant. Key words: hydrophobic flocculation flotation; ...

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Rutile Ore Titanium Flotation | Mineral Processing Methods ...

 · The contact angle measurements for rutile and almandine in the absence of any flotation reagents addition are measured at 39.5° for rutile (Xiao et al., 2018a, Xiao et al., 2018b, Xiao et al., 2018c), while that of almandine was at 38.8° indicating that both minerals were naturally hydrophilic (Kowalczuk et al., 2017). Rutile shows a slight ...

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Rutile

Rutile. Formula: TiO 2 Mohs scale hardness: 6–6,5 Specific gravity: 4.23 increasing with Nb–Ta content.. Application: Raw material for production of titanium Rutile is a mineral composed primarily of titanium dioxide, TiO 2. Rutile is the most common natural form of TiO 2.Three rarer polymorphs of TiO 2 are known:. Anatase

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Flotation behavior and mechanism of rutile with nonyl ...

 · Rutile is one of the favored minerals for the production of titanium dioxide white pigment, dominantly through the chloride manufacturing process [1, 2].However, majority of rutile ores belong to refractory ores, while flotation is one of the most efficient methods to solve the problem [].With the flotation development, many effective collectors are successfully applied in the oxide ores.

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US5106489A

This invention relates to a method for recovering a bulk concentrate of zircon and a bulk concentrate of rutile-ilmenite from dry plant tailings. A process has been discovered for froth flotation by manipulating the surface charges of dry plant tailings. Conditioning reagents, sulfuric acid to lower the pH; corn starch to coat the minerals to be depressed; sodium fluoride to activate the ...

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The Activation Mechanism of Bi3+ Ions to Rutile Flotation ...

Lead hydroxyl compounds are known as rutile flotation of the traditional activated component, but the optimum pH range for flotation is 2–3 using styryl phosphoric acid (SPA) as collector, without lead hydroxyl compounds in slurry solution. In this study, Bi3+ ions as a novel activator was investigated. The results revealed that the presence of Bi3+ ions increased the surface potential, due ...

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The role of EDTA on rutile flotation using Al3+ ions as an ...

The role of EDTA on rutile flotation using Al3+ ions as an activator Wei Xiao, abc Chaojun Fang,ab Jun Wang,*ab Qiannan Liang,ab Pan Cao,ab Xingxing Wang,ab Lijuan Zhang,*c Guanzhou Qiuab and Jun Huc Rutile is a relatively stable mineral,due to its weakly specific adsorption to collectors.

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Rutile flotation with Pb2+ ions as activator: Adsorption ...

 · 1. Introduction. Rutile in alluvial deposits is typically concentrated by a combination of gravity, magnetic and electrostatic separation techniques .However, for hard rock rutile ores, the concentration process also includes flotation .Sodium oleate and water-soluble petroleum sulfonate are commonly used as collectors in rutile flotation,, with styryl phosphoric acid, benzyl arsenic acid ...

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Detrimental effects of slimes on the flotation of rutile ...

The detrimental effects of slimes on the flotation of rutile from eclogite ore have been studied in this work in order to improve the separation efficiency of the flotation. The study was performed through particle size distribution measurement and mineralogical analysis. The results have demonstrated that the slimes were enriched in the concentrates, which became seriously with the increase ...

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NIOSHTIC-2 Publications Search

The Bureau of Mines investigated the potential for recovering rutile and associated valuable heavy minerals from the Central Florida Pebble Phosphate District flotation circuits. Studies were made to determine (1) the type and quantity of valuable heavy minerals present at various points in the flotation circuits and (2) the technical feasibility of producing marketable grade concentrates of the

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Zircon-rutile-ilmenite froth flotation process|INIS

[en] This patent describes a method for separating a mixture of minerals comprising at least zircon, ilmenite and rutile. It comprises adding an acid solution to the mixture to acidify to a pH of between about 2.0 and 6.0; adding starch to the mixture to depress the ilmenite and the rutile; adding a source of fluoride ions to the mixture to provide a negative surface charge on the zircon ...

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