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chlorination of ilmenite process :

Chlorination of reduced ilmenite concentrates and ...

2011-9-14  Chlorination of ilmenite concentrates and synthetic rutile reduced in nitrogen. The mixtures of ilmenites and synthetic rutile with graphite were prepared with carbon to titania molar ratio of 4.5. Chlorination experiments with reduced samples were performed using an alumina boat at 235 °C for 60 min with 100 mL∙min − 1 of pure chlorine.

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Kinetics of Selective Chlorination of Ilmenite Using ...

2019-5-26  The selective chlorination of iron from llmenite ore by CO-Cl2 mixtures: Part II. mathematical modeling of the fluidized-bed process. Metallurgical Transactions B 1990 , 21 (2) , 331-340.

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Ilmenite Chlorination: Usage of Gaseous Carbon ...

Initial observation suggests that the chlorination of ilmenite by carbon tetrachloride physically resembles the core shrinking model, although proper kinetic studies needs to be done to confirm this. Changes in various parameter values are seen to be quite sensitive to

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Upgrading Titanium Ore Through Selective Chlorination ...

2013-4-6  To develop a simple and effective process for upgrading low-grade titanium ore (ilmenite, mainly FeTiO 3), a new selective chlorination process based on the use of calcium chloride (CaCl 2) as the chlorine source was investigated in this study.Titanium ore and a titanium ore/CaCl 2 mixture were placed in two separate crucibles inside a gas-tight quartz tube that was then positioned in a ...

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TITANIUM TETRACHLORIDE PRODUCTION BY THE

2016-3-27  use of this process requires removal of the iron from the titanium value, in the form of iron (ferric) chloride. Du Pont has claimed that the iron chloride waste is generated through the removal of iron from the ilmenite ore before the physical structure of the ore is destroyed in the subsequent chlorination step of the chloride-ilmenite process.

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Upgrading Titanium Ore Through Selective Chlorination ...

A selective chlorination process using magnesium chloride (MgCl2) as chlorinating agent was investigated with the aim of developing a process for removing iron directly from ilmenite, which is a ...

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Ilmenite for pigment and metal production

2016-10-28  (Figure 1 and 2). Rutile is easy to process to titanium metal or TiO 2 pigment by the chlorination method while ilmenite is more complicated because of its high iron content. Since the world reserves of titanium are 90% in the form of ilmenite and only 10% in the form of rutile, the treatment of ilmenite is evidently an important question

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Chlorination of Titanium Carbide - 911 Metallurgist

2017-6-24  Chlorination of natural rutile, however, generates only 0.5 pound of waste since the total impurity content of the feedstock is usually less than 5 pct. Quebec Iron

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SELECTIVE CHLORINATION OF TITANIUM ORE AND

2009-1-15  Due to the abovementioned factors, a new process for reducing the production cost of titanium and minimizing its environmental burden was investigated. The main technical points of this process are listed as follows: the removal of iron from titanium ore by selective chlorination using metal chlorides (MClx, M = Mg, Ca, etc.), recycling

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Chlorination of reduced ilmenite concentrates and ...

2011-9-14  Chlorination of ilmenite concentrates and synthetic rutile reduced in nitrogen. The mixtures of ilmenites and synthetic rutile with graphite were prepared with carbon to titania molar ratio of 4.5. Chlorination experiments with reduced samples were performed using an alumina boat at 235 °C for 60 min with 100 mL∙min − 1 of pure chlorine.

Read More
Ilmenite Chlorination: Usage of Gaseous Carbon ...

Initial observation suggests that the chlorination of ilmenite by carbon tetrachloride physically resembles the core shrinking model, although proper kinetic studies needs to be done to confirm this. Changes in various parameter values are seen to be quite sensitive to

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Chlorination of Iron-Containing Nitrided Ilmenite Prepared ...

2018-8-1  This work sheds light on the effect of carbothermal reduction and nitridation of ilmenite concentrate with the mixtures of Mukah coal and polystyrene as reducing agents under H 2 /N 2 gas atmosphere on the chlorination process. Pre-reduced samples of ilmenite were chlorinated at 400-500°C for 1-3 hours without removing metallic iron.

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Moving bed chlorination of bauxite and ilmenite ...

A process for the selective removal of iron from a ferruginous ore selected from the group consisting of bauxite and ilmenite, which comprises feeding the dried heated ore into a countercurrent reactor comprising a sulphidizing zone, an intermediate zone and a chlorination zone, through which zones the ore moves in sequence and

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A comparative study on the chloride effectiveness of ...

2021-2-17  To exclude reaction and influence of moisture during chlorination process, ilmenite and coke were first dried in a furnace at 150 °C for 24 h. A fluidized bed reactor(FBR) for chloride process ...

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B. Generalized Proc ess Description

2016-3-27  produce titanium tetrachloride and titanium dioxide pigment than with ilmenite. The process of converting ilmenite to synthetic rutile generates 0.7 tons of waste per ton of product, and the chloride process generates about 0.2 tons of waste per ton of TiO 2 product using rutile as a feedstock. In comparison, direc t chlorination of ilmenite ...

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

Ilmenite chlorination 155 COMMERCIAL PRODUCTION OF TITANIUM TETRACHLORIDE 156 feedstock requiremtnes for the chloride process 158 Selective chlorination 158 Mechanism, kinetics and modeling 162 Combined fluidized bed 165 CONCLUSION 169 REFERENCES 169 * Corresponding Author - E-mail: [email protected] ...

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中国科学院机构知识库网格系统: 富钛料制备及氯化工艺的 ...

2013-9-16  The process could utilize both titanium and iron in ilmenite concentrate and reduce pollution. It could also avoid the problem of agglomeration in the chlorination of Panzhihua titanium resources with high contents of calcia and magnesia.

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Chlorination of Titanium Oxycarbonitride Produced by ...

2008-12-4  Titanium oxycarbonitride was produced by carbothermal nitridation of rutile. Mixtures consisting of titania and graphite with different carbon to titanium dioxide molar ratios were pressed into pellets and subsequently heated under nitrogen atmosphere at 1450 °C. Titanium oxycarbonitride was chlorinated in a horizontal tube furnace using chlorine and Cl2−N2 gas mixture. Effects of furnace ...

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SELECTIVE CHLORINATION OF TITANIUM ORE AND

2009-1-15  Due to the abovementioned factors, a new process for reducing the production cost of titanium and minimizing its environmental burden was investigated. The main technical points of this process are listed as follows: the removal of iron from titanium ore by selective chlorination using metal chlorides (MClx, M = Mg, Ca, etc.), recycling

Read More
Ilmenite Chlorination: Usage of Gaseous Carbon ...

Initial observation suggests that the chlorination of ilmenite by carbon tetrachloride physically resembles the core shrinking model, although proper kinetic studies needs to be done to confirm this. Changes in various parameter values are seen to be quite sensitive to

Read More
Chlorination of Iron-Containing Nitrided Ilmenite Prepared ...

2018-8-1  This work sheds light on the effect of carbothermal reduction and nitridation of ilmenite concentrate with the mixtures of Mukah coal and polystyrene as reducing agents under H 2 /N 2 gas atmosphere on the chlorination process. Pre-reduced samples of ilmenite were chlorinated at 400-500°C for 1-3 hours without removing metallic iron.

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Upgrading Titanium Ore Through Selective Chlorination ...

A selective chlorination process using magnesium chloride (MgCl2) as chlorinating agent was investigated with the aim of developing a process for removing iron directly from ilmenite, which is a ...

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Ilmenite smelting: the basics

2009-8-26  The two main routes to upgrade ilmenite to chlorination feedstock are ilmenite smelting, and the synthetic rutile route. Synthetic rutile is produced by solid-state reactions; for example, in the Becher process (as practised widely in Australia) ilmenite is reduced to a mixture of metallic iron and rutile; the iron is then removed by leaching.

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B. Generalized Proc ess Description

2016-3-27  produce titanium tetrachloride and titanium dioxide pigment than with ilmenite. The process of converting ilmenite to synthetic rutile generates 0.7 tons of waste per ton of product, and the chloride process generates about 0.2 tons of waste per ton of TiO 2 product using rutile as a feedstock. In comparison, direc t chlorination of ilmenite ...

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

Ilmenite chlorination 155 COMMERCIAL PRODUCTION OF TITANIUM TETRACHLORIDE 156 feedstock requiremtnes for the chloride process 158 Selective chlorination 158 Mechanism, kinetics and modeling 162 Combined fluidized bed 165 CONCLUSION 169 REFERENCES 169 * Corresponding Author - E-mail: [email protected] ...

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中国科学院机构知识库网格系统: 富钛料制备及氯化工艺的 ...

2013-9-16  The process could utilize both titanium and iron in ilmenite concentrate and reduce pollution. It could also avoid the problem of agglomeration in the chlorination of Panzhihua titanium resources with high contents of calcia and magnesia.

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(HT)Chlorination of Titania Feedstocks

2013-5-14  natural rutile, upgraded titania slag (UGS) and titania slag produced from ilmenite smelting. Natural rutile is the preferred feedstock for chlorination but due to dwindling reserves other titania feedstocks are substituted as feed for pigment production. pigments, i.e., sulphate and chloride based processes.In the chloride process,

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Purification of titanium tetrachloride from titania slag ...

2020-11-18  chlorination reaction in presence of carbon with chlorine gas. TiO 2 2 TiCl 4 + O 2 (1) 3TiCl 4 + TiO 2 2(TiOCl 2.TiCl 4) (2) TiOCl 2 + CO + Cl 2 TiCl 4 + CO 2 (3) TiO 2 + 2Cl 2 + C TiCl 4 + CO 2 (4) All of titania sources such as ilmenite, rutil, synthetic rutil, titania slag could be used for TiCl 4 preparation.

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Chlorination of Titanium Oxycarbonitride Produced by ...

2008-12-4  Titanium oxycarbonitride was produced by carbothermal nitridation of rutile. Mixtures consisting of titania and graphite with different carbon to titanium dioxide molar ratios were pressed into pellets and subsequently heated under nitrogen atmosphere at 1450 °C. Titanium oxycarbonitride was chlorinated in a horizontal tube furnace using chlorine and Cl2−N2 gas mixture. Effects of furnace ...

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