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Solvent extraction of titanium from the simulated ilmenite

Feb 01, 2012 Highlights The feasibility to extract Ti from the simulated ilmenite sulfuric acid leachate was investigated. Titanium in the simulated ilmenite sulfuric acid leach liquors can be effectively extracted. An almost complete titanium and iron separation from the simulated leachate was realized with separation factor of 2367. Extracted titanium species possibly included TiOSO 4 ·TRPO besides

Tannic Acid Selectively Extracting Titanium from Ilmenite

A novel route of extracting titanium using tannic acid from ilmenite was investigated. The strong affinity of tannic acid towards metal ions having high oxidation states was explored to extract titanium selectively from a multi-element solution prepared by dissolving ilmenite in sulphuric acid and ammonium sulphate. Titanium-tannic acid complex

Tannic Acid Selectively Extracting Titanium from Ilmenite

Preparation of titanium solution from ilmenite. 16 M sulphuric acid was chosen as a lixiviant to prepare a titanium containing multi-element solution from ilmenite. 10 g of ilmenite was added into 50 ml of sulphuric acid in a 500 ml round-bottom boiling flask. 20 g of ammonium sulphate ((NH 4) 2 SO 4) was also added to elevate the boiling point of the sulphuric acid solution during leaching.

DE1941509A1 Extraction of titanium from ilmenite

Extraction of titanium from ilmenite Products containing Fe and Ti are partially reduced to a leachable Fe- and Ti-dioxide fraction. In a rotary furnace, at least 0.5 parts by wt. of fine reducing agent and 1 part of fine ore is reduced, if necessary by burning a carbonaceous fuel, and the reaction mass is leached. The charge is heated to max. 950-1175 degrees C and kept at this temp. long

Application Note Titanium Dioxide Sulfate Process

The sulfate process relies on sulfuric acid (H 2 SO 4) to leach titanium from ilmenite ore (FeTiO 3). The resulting reaction produces titanyl sulfate (TiOSO 4). A secondary hydroly-sis stage is used to break the titanyl sulfate into hydrated TiO 2 and H 2 SO 4. Finally, heat is used to remove the water and create the end product pure TiO 2

Tannic Acid Selectively Extracting Titanium from Ilmenite

A novel route of extracting titanium using tannic acid from ilmenite was investigated. The strong affinity of tannic acid towards metal ions having high oxidation states was explored to extract titanium selectively from a multi-element solution prepared by dissolving ilmenite in sulphuric acid and ammonium sulphate. Titanium-tannic acid complex

Tannic Acid Selectively Extracting Titanium from Ilmenite

Preparation of titanium solution from ilmenite. 16 M sulphuric acid was chosen as a lixiviant to prepare a titanium containing multi-element solution from ilmenite. 10 g of ilmenite was added into 50 ml of sulphuric acid in a 500 ml round-bottom boiling flask. 20 g of ammonium sulphate ((NH 4) 2 SO 4) was also added to elevate the boiling point of the sulphuric acid solution during leaching.

Preparation of titanium dioxide nanostructure from

For the sulfate process, TiO 2 nanoparticles have been obtained from low-grade ilmenite ore via two consecutive acid digestion and solvent extraction processes.

ALUMINOTHERMIC PRODUCTION OF TITANIUM ALLOYS

May 28, 2014 Influence of the initial acid concentration The extraction of ilmenite using the sulphate process requires approximately 2 tonnes of concentrated sulphuric acid per tonne of ilmenite. The generated extraction cake is then leached with water. The content of free acid must guarantee a

Application Note Titanium Dioxide Sulfate Process

The sulfate process relies on sulfuric acid (H 2 SO 4) to leach titanium from ilmenite ore (FeTiO 3). The resulting reaction produces titanyl sulfate (TiOSO 4). A secondary hydroly-sis stage is used to break the titanyl sulfate into hydrated TiO 2 and H 2 SO 4. Finally, heat is used to remove the water and create the end product pure TiO 2

Preparation of TiO2 from ilmenite using sulfuric acid

Ilmenite and titanium slags are, therefore, becom-57 ing main raw materials for rutile TiO 2 in titanium industry [6]. 58 The methods for preparation of rutile TiO 2 from ilmenite or tita-59 nium

Titanium and iron dissolutions from ilmenite by acid

May 04, 2012 Ilmenite concentrate was soluble in 1.5 M sulfuric acid and 1.5 M hydrochloric acid solutions at 90 °C. However, improved leaching was obtained with 8 and 12 M sulfuric acid solutions. The chemical leaching results for different stirring speeds showed that a speed of 750 rpm was favourable to iron and titanium dissolutions.

Extraction and separation of titanium(IV) with D2EHPAand

extended for the determination of Ti(IV) in real samples like ilmenite, magnetite and red mud in order to show the practical utility of the extractants. Keywords: extraction, titanium, separation, D2EHPA, PC-88A and stripping. INTRODUCTION Titanium metal has become known as a space-age metal because of its high stren -

Titanium Dioxide Production by Hydrochloric Acid Leaching

Fig. 3 illustrates titanium extraction from the samples. This reveals the high removal of titanium from roasting ilmenite samples (Fig. 3(a)). The addition of Fe0 to the pre-oxidation ilmenite with ratio of Ilmenite : Fe0 = 5:1 show progressive separation (Fig. 3(b)).

US4562049A Recovery of titanium from perovskite by acid

Titanium is extracted from perovskite ores or concentrates by reaction of e perovskite ores or concentrates with sulfuric acid to form a sulfated residue, dissolving the sulfated residue in water or dilute acid, removing the precipitated calcium sulfate, and recovering the titanium in an aqueous solution.

Extraction Of Titanium From Ilmenite

Ilmenite can be converted into pigment grade titanium dioxide via either the sulfate process or the chloride process. Ilmenite can also be improved and purified to Rutile using the Becher. The feasibility to extract Ti from the simulated ilmenite sulfuric acid leachate was investigated. Ilmenite the primary source of titanium extraction

Leaching Process by Sulfuric Acid Reactions

May 27, 2020 The influence of the concentration and mass module of sulfuric acid on the decomposition of ilmenite was investigated repeatedly [8,15,20–28]. The degree of titanium extraction into solution was found to increase with increasing sulfuric acid concentration [18]. However, when using H2SO4 solutions with

Leaching of minerals using sulfuric acid reactionchamber

Extraction of raw titanium. Titanium ores are primarily the naturally red-colored rutile (TiO 2) and iron titanates such as TiFeO 3 (titanium iron or ilmenite). There are various leaching methods, of which we are only interested in the wet chemical process. With concentrated sulfuric acid, iron (II) and titanium sulfates are formed.

Sulfuric Acid Leaching of Altered Ilmenite Using Thermal

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 from 4.5% to 28.7%, while a pseudobrookite new phase appeared in

Extraction Of Titanium From Ilmenite

Ilmenite can be converted into pigment grade titanium dioxide via either the sulfate process or the chloride process. Ilmenite can also be improved and purified to Rutile using the Becher. The feasibility to extract Ti from the simulated ilmenite sulfuric acid leachate was investigated. Ilmenite the primary source of titanium extraction

ALUMINOTHERMIC PRODUCTION OF TITANIUM ALLOYS

May 28, 2014 Influence of the initial acid concentration The extraction of ilmenite using the sulphate process requires approximately 2 tonnes of concentrated sulphuric acid per tonne of ilmenite. The generated extraction cake is then leached with water. The content of free acid must guarantee a

Extraction Of Titanium Form Ilmenite Stone Equation

The titanium slag is then leached with sulfuric acid or with hydrochloric acid at elevated temperatures. 2 Reduction of ilmenite to convert ferric iron partially to the ferrous form or completely to the metallic iron form followed by acid leaching. 3 Reduction of the iron content of the ilmenite

A literature review of titanium metallurgical processes

direct leaching ilmenite coupled with solvent extraction for titanium pigment and metal production, is manufacture titanium pigment: the sulphate process and the chloride forms by reduction at high temperatures followed by acid leaching to obtain synthetic rutile (TiO 2)

A Review on the Recovery of Titanium Dioxide from Ilmenite

Jul 30, 2018 (2019). A Review on the Recovery of Titanium Dioxide from Ilmenite Ores by Direct Leaching Technologies. Mineral Processing and Extractive Metallurgy Review: Vol. 40,

Production of Nanosized Synthetic Rutile from Ilmenite

many kinds of low-titanium-content resources. The sulphate process was the first commercialised technology to convert ilmenite to titanium pigment. In the sulphate process, ilmenite(40–60% TiO 2) and/or titanium slag (72–87% TiO 2) is digested with sulphuric acid to

Leaching Process by Sulfuric Acid Reactions

May 27, 2020 The influence of the concentration and mass module of sulfuric acid on the decomposition of ilmenite was investigated repeatedly [8,15,20–28]. The degree of titanium extraction into solution was found to increase with increasing sulfuric acid concentration [18]. However, when using H2SO4 solutions with

Extraction and separation of titanium(IV) with D2EHPAand

extended for the determination of Ti(IV) in real samples like ilmenite, magnetite and red mud in order to show the practical utility of the extractants. Keywords: extraction, titanium, separation, D2EHPA, PC-88A and stripping. INTRODUCTION Titanium metal has become known as a space-age metal because of its high stren -

Titanium and iron dissolutions from ilmenite by acid

May 04, 2012 Ilmenite concentrate was soluble in 1.5 M sulfuric acid and 1.5 M hydrochloric acid solutions at 90 °C. However, improved leaching was obtained with 8 and 12 M sulfuric acid solutions. The chemical leaching results for different stirring speeds showed that a speed of 750 rpm was favourable to iron and titanium dissolutions.

US3922164A Treatment of ilmenite Google Patents

An ilmenite up-grading process characterised by the step of leaching the ilmenite with a hydrochloric acid solution containing at least 10% by weight of HCl and at least 5% by weight of one or more soluble chlorides. Particularly suitable soluble chlorides include ferrous chloride, manganese chloride, magnesium chloride, nickel chloride, calcium chloride and ammonium chloride.

Preparation of Titanium Dioxide Anatase Pigment from

Thus,the sulfate route, fine grained ilmenite concentrate (minimum 44% TiO 2) or sulfatable titanium slag (78% TiO 2) is digested in sulfuric acid at 150-180 C and the digested cake is dissolved in cold water followed by filtering the residual ferrous sulfate (FeSO 4.7H 2 O).The titanyl sulfate in the filtrate is then heated with stream at 95-

extraction of titanium from ilmenite with sulphate acid

Extraction of Titanium and Iron From Ilmenite With Fluosilicic Acid. Extraction of Titanium and Iron From Ilmenite With Fluosilicic Acid By Dennis A. Hansen, Davis E. Traut, and G. Tim Fisher II1 2 3 ABSTRACT » Free Online Chat Titanium feedstock: Ilmenite and Rutile Forside. The first uses sulphuric acid as extraction agent production of TiO2 pigment, ilmenite and Ti slag are

Chemistry of Titanium Chemistry LibreTexts

Aug 21, 2020 Titanium Extraction. Titanium cannot be extracted by reducing the ore using carbon as a cheap reducing agent, like with iron. The problem is that titanium forms a carbide, \(\ce{TiC}\), if it is heated with carbon, so you don't get the pure metal that you need. The presence of the carbide makes the metal very brittle.

Titanium Dioxide Production by Hydrochloric Acid Leaching

Fig. 3 illustrates titanium extraction from the samples. This reveals the high removal of titanium from roasting ilmenite samples (Fig. 3(a)). The addition of Fe0 to the pre-oxidation ilmenite with ratio of Ilmenite : Fe0 = 5:1 show progressive separation (Fig. 3(b)).