titanium ore leaching
titanium ore leaching
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titanium ore leaching

US7601313B2 - Acid/microwave leaching of titanium ore and ...

A process of producing 99% plus titanium dioxide product by using conventional and microwave heating and leaching of the titanium compound feedstock using acid and oxidants. The solid residue from the leaching is used to produce the high quality titanium oxide by froth flotation. Hydrochloric acid can be recovered by multi-stage evaporation.

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A step forward for a new titanium leaching process ...

Oct 01, 2014  The plant will test a proprietary chloride-based process (flowsheet), pioneered in Canada, for the recovery of TiO2, V2O5 and Fe2O3 from run-of-mine ore at a feedrate of 10 kg/d. It will test the operation of each of the major unit operations of the flowsheet on a continuous basis: leaching of the mineralized material, TiO2 precipitation, iron ...

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US10480047B1 - Process for recovering titanium dioxide ...

A process operating at super-atmospheric pressure for leaching a titanium containing ore with an HCl and producing titanium dioxide with integrated steps of solvent extraction for removing iron from the leached ore and solvent extraction of a resulting titanium enriched raffinate to produce particles suitable for finishing into pigment grade TiO 2 .

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Novel Approach for Enhanced Scandium and Titanium Leaching ...

Apr 04, 2018  Leaching with 2.5 M H2O2: 2.5 M H2SO4 mixture at 90 °C for 30 min was observed to be the best leaching conditions with suppressed silica gel formation and the highest reported leaching

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Leaching, titanium pollution...help?

Leaching, Titanium Pollution ... Help? 2001. Q. Hello. I am a 10th grade student and I am doing a research project on the metal titanium. I am looking for any form of pollution that titanium may cause. While searching the Internet, I found out about leaching of metals.

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(PDF) Leaching of ilmenite ores by acidic chloride solutions

The direct leaching of Australian ilmenite ore samples with HCl was found to be much more effective with high chloride (Cl−) concentration (~ 500 g/L) in the feed solution.

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(PDF) Production of titanium tetrachloride (TiCl4) from ...

Titanium (Ti) is the ninth most abundant element on earth. The titanium mineral ores are widely distributed in different parts of the world. The two main ores of titanium include rutile (TiO2) and ilmenite (FeO.TiO2). It is aimed to provide the

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Water leaching of titanium from ore flotation residue ...

Copper ore tailings were tested for the stability of titanium submitted to water leaching in three different reactor systems (agitated vessel, bioreactor and percolated fixed-bed column).

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Kinetics of sulphuric acid leaching of titanium from ...

The leaching rate of the titanium dioxide was calculated using Eq. (1): X=𝑉× 𝑀1× (1) where M 1 is the mass of the anatase ore samples used in the batch experiment, g; c is the content of titanium dioxide in the raw ore, wt. %; V is the volume of the leachate, cm3; b is the titanium dioxide concentration of the leachate, g/ cm3. 3.

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US10480047B1 - Process for recovering titanium dioxide ...

A process operating at super-atmospheric pressure for leaching a titanium containing ore with an HCl and producing titanium dioxide with integrated steps of solvent extraction for removing iron from the leached ore and solvent extraction of a resulting titanium enriched raffinate to produce particles suitable for finishing into pigment grade TiO 2 .

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Leaching and kinetics studies on processing of Abu-Ghalaga ...

study,the hydrochloric acid agitation leaching of Abu Ghalaga ilmenite ore low grade titanium dioxide as well as the parameters affecting on the leachability which including acid concentration, particle size, solid liquid ratio, agitation speed, temperature and time of leaching. The kinetics and

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Titanium Dioxide Production by Hydrochloric Acid Leaching ...

Titanium Dioxide Production by HydrochloricAcid Leaching Of Roasting Ilmenite Sand Sayekti Wahyuningsih*, Ari Handono Ramelan**, Edi Pramono*, Ariantama Djatisulistya* ... (ore or mineral) was the subject of numerous studies [6, 8, 3, 11, 13]. Most of

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Mineralogical characterization and leaching behavior of ...

Key words: ilmenite; leaching; mechanical activation; roasting; titanium 1 Introduction Processing of the ilmenite ore for the production of pigment grade TiO2 often becomes difficult due to high iron content. Because of the limitation in the availability of natural rutile resources, many studies have focused on

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Titanium Metal-Seated Ball Valves for HPAL and POX Plant ...

TITANIUM 2010 Conference International Titanium Association Orlando, Florida, USA October 3-6, 2010 1 ... such as heap leaching, whereby crushed ore is irrigated with a chemical solution to leach out precious metals into a “pregnant” solution that is subsequently recovered. Driven by increasing

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(PDF) Production of titanium tetrachloride (TiCl4) from ...

Titanium (Ti) is the ninth most abundant element on earth. The titanium mineral ores are widely distributed in different parts of the world. The two main ores of titanium include rutile (TiO2) and ilmenite (FeO.TiO2). It is aimed to provide the

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Minerals Free Full-Text Sulfuric Acid Leaching of ...

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 ...

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Fanuj Mining Company ,Titanium ,Other Titanium ,Iran

Company Description The Fanuj Mining Group  has 30 titanium mines which are capable to supply more than 1,000,000,000 tons of Ilmenite ore with average grade 5.5%. Fanuj Mining Company have Iron ore and copper mines too. We need an investor or a loan to start producing Ore, concentrate or ingot. There are 3 packages for investors if the forms of investment or loan.

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Titanium processing - The metal and its alloys Britannica

Titanium processing - Titanium processing - The metal and its alloys: The atoms of pure titanium align in the solid state in either a hexagonal close-packed crystalline structure, called the alpha (α) phase, or a body-centred cubic structure, called the beta (β) phase. In the pure metal, transformation from the alpha to the beta phase occurs upon heating above 883 °C, but most alloying ...

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Recovery of Iron-, Titanium-Bearing Constituents from ...

Feb 12, 2017  The feasibility of an integrated technological route for recovering titanium from bauxite ore residue was verified in this study. Titanium-bearing iron concentrate was first recycled through magnetic separation process, and titanium was further leached from the non-magnetic material derived from the upper-stream process by using sulfuric acid.

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US Patent for Process for recovering titanium dioxide from ...

Jun 28, 2018  A process operating at super-atmospheric pressure for leaching a titanium containing ore with an HCl and producing titanium dioxide with integrated steps of solvent extraction for removing iron from the leached ore and solvent extraction of a resulting titanium enriched raffinate to produce particles suitable for finishing into pigment grade TiO2.

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Acid/microwave leaching of titanium ore and then flotation ...

The claims defining the invention are as follows: 1. A process for extracting and producing a high-grade titanium oxide from a titanium compound comprising a) leaching a leach slurry comprising the titanium compound using a leachant and energy to produce a solid leach residue and a liquid leach residue; and b) subjecting the solid leach residue to flotation to recover a high grade titanium ...

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Water leaching of titanium from ore flotation residue ...

Copper ore tailings were tested for the stability of titanium submitted to water leaching in three different reactor systems (agitated vessel, bioreactor and percolated fixed-bed column).

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Kinetics of sulphuric acid leaching of titanium from ...

The leaching rate of the titanium dioxide was calculated using Eq. (1): X=𝑉× 𝑀1× (1) where M 1 is the mass of the anatase ore samples used in the batch experiment, g; c is the content of titanium dioxide in the raw ore, wt. %; V is the volume of the leachate, cm3; b is the titanium dioxide concentration of the leachate, g/ cm3. 3.

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Manufacture of High Pure Titanium(IV) Oxide by the ...

Kinetic study of the leaching of powdered ilmenite ore was carried out in highly concentrated hydrochloric acid (11.3–11.6 mol dm −3) at temperatures of 30 to 80 °C.The changes in shape and grain size of the ore particles with progress of the leaching was simultaneously observed with X-ray diffraction and electron microscope techniques.

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Mineralogical characterization and leaching behavior of ...

Key words: ilmenite; leaching; mechanical activation; roasting; titanium 1 Introduction Processing of the ilmenite ore for the production of pigment grade TiO2 often becomes difficult due to high iron content. Because of the limitation in the availability of natural rutile resources, many studies have focused on

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ISSN: 2641-1784 Research Article Advance in Environmental ...

titanium from local ilmenite ore. The method comprises leaching of the ore using HCl solution. The effect of acid concentration, time, stirring conditions, pH value and temperature were studied. The method also includes reducing of the titanium ions in the leachate with

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Recovery of Iron-, Titanium-Bearing Constituents from ...

Feb 12, 2017  The feasibility of an integrated technological route for recovering titanium from bauxite ore residue was verified in this study. Titanium-bearing iron concentrate was first recycled through magnetic separation process, and titanium was further leached from the non-magnetic material derived from the upper-stream process by using sulfuric acid.

More

US Patent for Process for recovering titanium dioxide from ...

Jun 28, 2018  A process operating at super-atmospheric pressure for leaching a titanium containing ore with an HCl and producing titanium dioxide with integrated steps of solvent extraction for removing iron from the leached ore and solvent extraction of a resulting titanium enriched raffinate to produce particles suitable for finishing into pigment grade TiO2.

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Pilot-Scale Demonstration of Ilmenite Processing

titanium. Leaching for the small pilot-scale testing was shown to be less efficient at 81% and 79% for iron and titanium, respectively. Estimated leaching and oxidation time was four hours and 50 hours, respectively. From the leach solution the counter-current solvent extraction of iron and titanium

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Titanium Valves for Hydrometallurgical Metal Extraction

International Titanium Conference 2008 Las Vegas, Nevada John Williams, P.E. MOGAS Industries, Inc. Aug. 15, 2008 Page 1 Titanium Valves for Hydrometallurgical Metal Extraction Abstract A major contributor to the successful operation of high-pressure acid leach (HPAL) operations has been the valves throughout the autoclave.

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Fanuj Mining Company ,Titanium ,Other Titanium ,Iran

Company Description The Fanuj Mining Group  has 30 titanium mines which are capable to supply more than 1,000,000,000 tons of Ilmenite ore with average grade 5.5%. Fanuj Mining Company have Iron ore and copper mines too. We need an investor or a loan to start producing Ore, concentrate or ingot. There are 3 packages for investors if the forms of investment or loan.

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Metal recovery from TiCl slurry by evaporation and acid ...

evaporation and acid leaching X. Xiang1, X. Wang2, W. Xia1, and J. Yin1 Synopsis TiCl 4 slurry containing valuable metals is an unavoidable by-product of the titanium ore chlorination process. The recovery of these valuable metals, which include titanium, niobium, tantalum, and aluminum, is an urgent issue to tackle in the titanium industry.

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PAPER OPEN ACCESS Column simulation of Fe, Ti, V heap ...

Apr 05, 2020  The process of Ti, V and Fe leaching from the ore was simulated in PVC columns. The experiments were conducted in PVC columns with a height of 1 m and a diameter of 100 mm. Four parallel experiments were conducted with different leach aqueous solutions of ammonium fluoride and hydrofluoric acid. 15 kg of ore were added in each column.

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Dissolution Kinetics and Leaching of Rutile Ore in ...

Leaching time (min) Fraction of rutile ore dissolved 0.5M HCl1.0M HCl 2.0M HCl 4.0M HCl 8.0M HCl Fig. 2. Effect of HCl concentration on the dissolution of rutile ore at 550C. From Fig. 2, it is evident that the leachant has a significant effect on the leaching of the rutile ore. However, the fraction of the ore dissolved was moderate.

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(PDF) Dissolution Kinetics and Leaching of Rutile Ore In ...

The X-ray spectrum data in Fig.1 Ore phase studies by XRD Leaching Studies Effect of stirring rateThe effect of stirring rate on the dissolution of 1.0g rutile ore was investigated in 4M HCl solution with the 0.045-0.075mm size fraction of the rutile ore at 80 0 C using stirring speed of 0-540rpm for 120min.

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