titanium dioxide dupont ilmenite ore process

  • Ilmenite for pigment and metal production

    Figure 8: Production of TiO2 pigment by the sulfuric acid process Figure 9: Titanium white, ~ TiO2 Chlorination method DuPont in USA [4] produces the pigment since 1950 by direct chlorination of ilmenite ore, separation of products by fractional

  • FINAL DESIGN PROJECT REPORT PRELIMINARY DESIGN OF TITANIUM DIOXIDE PLANT FROM ILMENITE …

    titanium dioxide hydrate. Based on the above process, titanium dioxide plant will use the chloride process for titanium dioxide which would be produced in the form of rutile. The considerations of the chloride process selection are: 1. Titanium dioxide is3.

  • US4288418A

    A process is provided for the manufacture of titanium dioxide pigment wherein excess ilmenite ore is reacted with dilute sulfuric acid having a concentration of between about 25% and about 60% by weight and in preferably at least two stages wherein the first stage ...

  • US4288417A

    A process is provided for the manufacture of titanium dioxide pigment wherein excess ilmenite ore is reacted with dilute sulfuric acid having a concentration of between about 25% and about 60% by weight in the presence of an iron reductant, and in preferably at ...

  • Nonhazardous Process for Extracting Pure Titanium …

    The process is, therefore, of low cost, environmentally nonhazardous, and universally adaptable for the large-scale synthesis of the phase-specific pure titanium dioxide from natural ilmenite. The products prepared in this process were duly characterized by several independent analytical techniques.

  • Ilmenite And Rutile Ores Mining And Processing

    Titanium dioxide - The Essential Chemical Industry There are two main processes, the Sulfate Process and the Chloride Process (Table 1) which use the two principal ores, ilmenite and rutile, respectively. ... The ores are mined worldwide but most production is in

  • US4288417A

    A process is provided for the manufacture of titanium dioxide pigment wherein excess ilmenite ore is reacted with dilute sulfuric acid having a concentration of between about 25% and about 60% by weight in the presence of an iron reductant, and in preferably at ...

  • DU PONT PREVAILS IN TITANIUM DIOXIDE CASE | C&EN …

    Du Pont''s ilmenite chloride process has a natural cost advantage over the rutile chloride process employed by its competitors. Ilmenite is an inexpensive, lowgrade domestic titanium ore whereas rutile is a high-grade more expensive ore that must be imported.

  • US4107264A

    An improved process is described for recovering TiO 2, useful as a white pigment, from ilmenite-type ores, including the steps of digesting the ore with aqueous hydrofluroic acid, separating out iron impurities from the resulting solution, precipitating hydrated titanium ...

  • Ilmenite – the primary source of titanium extraction by …

    Ilmenite – the primary source of titanium extraction by chlorine process. Ilmenite is the most important ore of titanium mining with the chemical formula FE-TI-O3 (iron, titanium and oxygen), named for its place of discovery at Ilmen Lake in the Ilmen Mountains, Miask in the southern portion of the Ural Mountains of Russia.

  • US4107264A

    An improved process is described for recovering TiO 2, useful as a white pigment, from ilmenite-type ores, including the steps of digesting the ore with aqueous hydrofluroic acid, separating out iron impurities from the resulting solution, precipitating hydrated titanium ...

  • Recovery of TiO2 from ilmenite-type ore using an …

    An improved process is described for producing titanium dioxide from ilmenite-type ore. The ore is digested with aqueous hydrogen fluoride, the resulting liquid mixture treated with a water-soluble oxidizing agent, and the ferric iron impurities, in the resulting digestion ...

  • extraction of titanium

    Titanium extraction The overall process Titanium is extracted from its ore, rutile - TiO 2. It is first converted into titanium(IV) chloride, which is then reduced to titanium using either magnesium or sodium. Conversion of TiO 2 into TiCl 4 The ore rutile (impure

  • Recovery of titanium dioxide from ores

    Titanium dioxide is recovered from ilmenite in high purity and high yield. The ore is leached with concentrated hydrochloric acid at room temperature to dissolve at least 80% of the titanium and iron What I claim is 1. A process for the recovery of titanium dioxide from ...

  • Recent developments in processing ilmenite for titanium …

     · If titanium is obtained from ilmenite and a continuous-extraction process is needed instead of the batch type Kroll process, a dramatic saving would result. ACKNOWLEDGEMENTS The author wishes to thank Professor D.H. Trollope, Head of Engineering for providing laboratory facilities and Mr. S. Peterson for his technical assistance in the work.

  • WO1996024555A1

    A hydrometallurgical process is provided for producing pigment-grade TiO2 from an ilmenite ore concentrate containing by weight a relatively high magnesium content ranging up to about 10 %, an iron content of at least about 15 % and a titanium dioxide content of ...

  • Titanium Dioxide (TiO2) Production and Manufacturing …

     · Titanium Dioxide (TiO2) Production and Manufacturing Process. TiO2 is produced from either ilmenite, rutile or titanium slag. Titanium pigment is extracted by using either sulphuric acid (sulphate process) or chlorine (chloride route). The sulphate process employs simpler technology than the chloride route and can use lower grade, cheaper ores.

  • Ilmenite – the primary source of titanium extraction by …

    Ilmenite – the primary source of titanium extraction by chlorine process Ilmenite is the most important ore of titanium mining with the chemical formula FE-TI-O3 (iron, titanium and oxygen), named for its place of discovery at Ilmen Lake in the Ilmen Mountains, Miask in the southern portion of the Ural Mountains of Russia.

  • Process for the electrolytic reductive leaching of ilmenite …

    In conventional processes for the production of titanium dioxide from ilmenite ore, such as those disclosed in U.S. Pat. Nos. 3,825,419 or 3,627,508, the ore is reduced prior to acid leaching to convert ferric iron values present in the ore to the more soluble ferrous

  • Recent developments in processing ilmenite for titanium …

     · If titanium is obtained from ilmenite and a continuous-extraction process is needed instead of the batch type Kroll process, a dramatic saving would result. ACKNOWLEDGEMENTS The author wishes to thank Professor D.H. Trollope, Head of Engineering for providing laboratory facilities and Mr. S. Peterson for his technical assistance in the work.

  • Recovery of TiO2 from ilmenite-type ore using an …

    An improved process is described for producing titanium dioxide from ilmenite-type ore. The ore is digested with aqueous hydrogen fluoride, the resulting liquid mixture treated with a water-soluble oxidizing agent, and the ferric iron impurities, in the resulting digestion ...

  • Application Note Titanium Dioxide

    tanium dioxide (TiO 2). pH measurement is not used in the initial phases of the chloride process; however, it is used later on in downstream surface treatment of TiO 2. The sulfate process relies on sulfuric acid (H 2 SO 4) to leach titanium from ilmenite ore 3 4

  • Ilmenite – the primary source of titanium extraction by …

    Ilmenite – the primary source of titanium extraction by chlorine process Ilmenite is the most important ore of titanium mining with the chemical formula FE-TI-O3 (iron, titanium and oxygen), named for its place of discovery at Ilmen Lake in the Ilmen Mountains, Miask in the southern portion of the Ural Mountains of Russia.

  • FINAL DESIGN PROJECT REPORT PRELIMINARY DESIGN OF TITANIUM DIOXIDE PLANT FROM ILMENITE …

    titanium dioxide hydrate. Based on the above process, titanium dioxide plant will use the chloride process for titanium dioxide which would be produced in the form of rutile. The considerations of the chloride process selection are: 1. Titanium dioxide is3.

  • extraction of titanium

    Titanium extraction The overall process Titanium is extracted from its ore, rutile - TiO 2. It is first converted into titanium(IV) chloride, which is then reduced to titanium using either magnesium or sodium. Conversion of TiO 2 into TiCl 4 The ore rutile (impure

  • Ilmenite

    Ilmenite, also known as manaccanite, is a titanium-iron oxide mineral with the idealized formula FeTiO 3 is a weakly magnetic black or steel-gray solid. From a commercial perspective, ilmenite is the most important ore of titanium. Ilmenite is the main source of titanium dioxide, which is used in paints, printing inks, fabrics, plastics, paper, sunscreen, food and cosmetics.

  • Ilmenite

    Ilmenite is converted into titanium dioxide via the sulphate process. Sulphate process plants must utilise low-vanadium ilmenite, as vanadium is a penalty element. Titanium dioxide pigment can also be produced from higher titanium feedstocks such as rutile and leucoxene via a chloride acid process.

  • Application Note Titanium Dioxide

    tanium dioxide (TiO 2). pH measurement is not used in the initial phases of the chloride process; however, it is used later on in downstream surface treatment of TiO 2. The sulfate process relies on sulfuric acid (H 2 SO 4) to leach titanium from ilmenite ore 3 4

  • US4288418A

    A process is provided for the manufacture of titanium dioxide pigment wherein excess ilmenite ore is reacted with dilute sulfuric acid having a concentration of between about 25% and about 60% by weight and in preferably at least two stages wherein the first stage ...

  • US3966455A

    Instant process utilizes powdered Ilmenite ore without such first removal of the iron oxides, and operates to produce a high grade Iron-Titanium alloy metal. The powdered ore is mixed with a solution containing primarily phosphoric acid, zinc oxide, and a sulfated surfactant.

  • US4107264A

    An improved process is described for recovering TiO 2, useful as a white pigment, from ilmenite-type ores, including the steps of digesting the ore with aqueous hydrofluroic acid, separating out iron impurities from the resulting solution, precipitating hydrated titanium ...

  • Ilmenite

    Ilmenite and rutile are the most abundant forms of titanium dioxide-containing ore worldwide (98%). Heating above temperatures of 600 C–800 C metastable …

  • FINAL DESIGN PROJECT REPORT PRELIMINARY DESIGN OF …

    Titanium dioxide is produced from reaction between titanium dioxide ore in ilmenite with chlorine gas in reactor of TiCl 4 formation with type of Fluidized Bed Reactor (R-100) at temperature around 900˚C and pressure 1 atm by adding the coke as reductant. 3

  • A new method for production of titanium dioxide …

     · The two main commercial processes for producing titanium dioxide pigment are sulfate process (Barksdale, 1966) and chloride process (Winkler, 2003). The main feed stocks for these processes are high-TiO 2 slag and/or synthetic rutile produced from ilmenite ore.

  • Nonhazardous Process for Extracting Pure Titanium …

    The process is, therefore, of low cost, environmentally nonhazardous, and universally adaptable for the large-scale synthesis of the phase-specific pure titanium dioxide from natural ilmenite. The products prepared in this process were duly characterized by several independent analytical techniques.

  • Titanium dioxide

    Ilmenite is converted into pigment grade titanium dioxide via either the sulfate process or the chloride process. Both sulfate and chloride processes produce the titanium dioxide pigment in the rutile crystal form, but the Sulfate Process can be adjusted to produce the anatase form.

  • Argex develops new titanium dioxide process for …

     · Canada''s Argex Mining is pioneering a new process that can extract problematic elements and still produce high quality TiO2 In the wilds of Quebec, Canada, a junior mining company has pioneered a new process for the extraction of titanium dioxide (TiO 2) from ilmenite that differs significantly from the existing chloride and sulphate processes.

  • Nonhazardous Process for Extracting Pure Titanium …

    The process is, therefore, of low cost, environmentally nonhazardous, and universally adaptable for the large-scale synthesis of the phase-specific pure titanium dioxide from natural ilmenite. The products prepared in this process were duly characterized by several independent analytical techniques.

  • US4288418A

    A process is provided for the manufacture of titanium dioxide pigment wherein excess ilmenite ore is reacted with dilute sulfuric acid having a concentration of between about 25% and about 60% by weight and in preferably at least two stages wherein the first stage ...

  • extraction of titanium

    Titanium extraction The overall process Titanium is extracted from its ore, rutile - TiO 2. It is first converted into titanium(IV) chloride, which is then reduced to titanium using either magnesium or sodium. Conversion of TiO 2 into TiCl 4 The ore rutile (impure


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