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upgrading of ilmenite ore by magnetic separatorpatent us

upgrading of ilmenite ore by magnetic separatorpatent us

upgrading of ilmenite ore by magnetic separator coal

Upgrading Of Ilmenite Ore By Magnetic Separator; magnetic separation of ilmenite Magnetic separators can be found in most mineral processing operations, especially those processing nonmetallic minerals and magnetic ores This article investigates the use of high intensity magnetic separators and magnetic separation equipment in the minerals

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Project Updates Rio Tinto Ilmenite Ore Upgrading ...

2019-12-9  The Ore Upgrading Challenge is designed to identify promising new ideas and solutions (in Stage 1) which would be selected for further development work (in Stage 2). Your Stage 1 concept for increasing the TiO 2 content of ilmenite ore should be sufficiently advanced such that, if selected, it could be developed and demonstrated for initial feasibility by the end of the 4-month Stage 2 development

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HIGH-GRADE METHOD OF ILMENITE ORE,

1. A method for upgrading an ilmenite ore for yielding a high-TiO 2-content titanium source by separating and removing an iron component from ilmenite (FeTiO 3), characterized in that the method comprises an oxidation step of oxidizing a starting ilmenite; after the oxidation step, a reduction step of reducing the treated ilmenite; and after the reduction step, an extraction step of dissolving ...

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Abu Ghalaga Ilmenite Ore Upgrading - Helals

2011-6-11  Actually, hematite and ilmenite are antiferromagnetic minerals and the roasting step induces atomic reordering within the ilmenite and hematite crystal lattices that modify their magnetic behavior. For instance, there is aregion in the ternary phase diagram FeO-Fe 2 O 3 -TiO 2 (Figure 1), where the ilmenite -hematite becomes ferromagnetic.

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CA1037424A - Purification of ilmenite ore by oxidizing ...

ABSTRACT OF THE DISCLOSURE Purification of ilmenite from chromite impurities by a two step magnetic separation wherein magnetically susceptible chromite is

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A review of mineral processing of ilmenite by flotation ...

2020-10-1  In practice, a combination of gravity separation, magnetic separation and flotation is generally used to upgrade low grade ores to commercially accepted products. Taking Panzhihua Steel LTD. as an example, the flowsheet for ilmenite upgrading consists of pre-concentration of feedstocks via high-gradient magnetic separation and then flotation.

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Magnetic properties of ilmenite, hematite and oilsand ...

2002-12-1  Test results indicated that oxidation roasting of the ilmenite could increase its magnetic susceptibility within a certain temperature range. As can be seen from Fig. 1, Fig. 2, at 500 °C, even extended heating (up to 2 h) did not cause any change in the magnetic susceptibility of the ilmenite. At higher temperatures (650 and 700 °C), its magnetic susceptibility started to increase after about 30

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About Ilmenite Ore Processing

2020-7-27  The following is general instruction about the ilmention upgrading for different ilmenite types. 1. for alluvial ilmenite. it needs rough separation an fine selection. The rough separation is usually next to the exploiting site to remove the small-density material to get the final concentrate of 90% ilmenite.

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Upgrading ilmenite into a high-grade synthetic rutile ...

Abstract. Titanium, the ninth most abundant element, occurs mainly in minable form as ilmenite (95%) and rutile (5%) minerals. The current world consumption of these minerals is used mainly to produce titanium dioxide pigments, with the balance in welding rod flux and titanium metal. Ilmenite is currently being mined in annual quantities eight ...

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Ilmenite for pigment and metal production

In the first magnetic separation a weak magnet is used to separate magnetite while in the second magnetic separation a high-intensity magnet is used to separate ilmenite. Figure 3: A sample of massive ilmenite of Quebec. Figure 4: Black beach sands as in India. Early methods for pigment production Sulfuric acid method

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Project Updates Rio Tinto Ilmenite Ore Upgrading ...

2019-12-9  Updated Feb 19, 2020. See details here.. Background and Goals. A particular Rio Tinto mine produces ilmenite ore containing 32% (by weight) TiO 2.If the TiO 2 content can be increased to the range of 50%, new growth opportunities can be addressed within downstream pigment production markets where this ilmenite is used as feedstock. This upgraded ilmenite must be price competitive

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HIGH-GRADE METHOD OF ILMENITE ORE,

1. A method for upgrading an ilmenite ore for yielding a high-TiO 2-content titanium source by separating and removing an iron component from ilmenite (FeTiO 3), characterized in that the method comprises an oxidation step of oxidizing a starting ilmenite; after the oxidation step, a reduction step of reducing the treated ilmenite; and after the reduction step, an extraction step of dissolving ...

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process of ilmenite and silica magnetic separation -

upgrading of ilmenite ore by magnetic separation. upgrading of ilmenite ore by magnetic separation HFC Refrigerants (55) HST Hydraulic Cone CrusherHST series hydraulic cone crusher is combined with technology such as machinery, hydraulic pressure, electricity, automation, intelligent control, etc. , representing the most advanced crusher ...

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Abu Ghalaga Ilmenite Ore Upgrading - Helals

2011-6-11  Proposed beneficiation and upgrading. for Abu Ghalaga Ilmenite ore. Prepared by : Eng. Atef Helal/ 2011-04-22. Mineralogical Analysis of Abu Ghalaga ilmenite ore (ilmente is FeO.TiO 2 / sp.gr. 4.7) has shown that ore consists mainly of hematite-ilmente, the content of which reaches 85.44% in primary ore (non oxidized), and 90.6% in the oxidized ore

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About Ilmenite Ore Processing

2020-7-27  About ilmenite processing, the beneficiation method and plants involved depends on deposit type, ore natures and composition. There is primary deposit and placer or alluvial ilmenite ore. And for these two different kinds of ore, the processing is very different. The following is general instruction about the ilmention upgrading for different ...

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Upgrading ilmenite into a high-grade synthetic rutile ...

Titanium, the ninth most abundant element, occurs mainly in minable form as ilmenite (95%) and rutile (5%) minerals. The current world consumption of these minerals is used mainly to produce titanium dioxide pigments, with the balance in welding rod flux and titanium metal. Ilmenite is currently being mined in annual quantities eight times larger than rutile. In the past 35 years, an ...

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Magnetic properties of ilmenite, hematite and oilsand ...

2002-12-1  To establish the relationship between the phase conversions and the changes in the magnetic susceptibility, the latter was plotted against the ratio of the strongest peak of hematite (2θ=32.2°) and that of ilmenite (2θ=32.5°), in Fig. 4.As can be seen, when the ratio is between 1.5 and 3.5, the magnetic susceptibility of the roasted ilmenite is much higher than that of the original un ...

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Upgrading Metals Via Direct Reduction from Poly

2014-11-21  Weight percentages of magnetic and non-magnetic part were 67% and 33%, respectively, for the reduced sample distribution at 1473 K temperature for 120 min. XRD analyses shown in Fig. 14 of both the parts reveal that iron is the principal phase along with a very small intensity phase of ilmenite and magnetite in the magnetic part, whereas ...

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Mineralogy, Chemical Characteristics and Upgrading

2017-8-25  Mass magnetic susceptibility reveals 97.6% of ilmenite and 92% of the altered form are obtained at 0.20 and 0.48 ampere. Fresh ilmenite exhibits variable TiO 2 (47.18%) and Fe 2 O 3 T (46.10%) with minor MnO, MgO and Cr 2 O 3 (1.22, 1.10 and 0.51%).

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[PDF] Upgrading of raw vanadium titanomagnetite ...

In view of the continuous depletion of titanium, rutile, and ilmenite mineral deposits, the search for cost-effective practices for titanium production using vanadium titanomagnetite as raw material has become increasingly important. In this study, vanadium titanomagnetite concentrate obtained from the Panzhihua area in China was upgraded via fine grinding followed by magnetic separation to ...

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HIGH-GRADE METHOD OF ILMENITE ORE,

1. A method for upgrading an ilmenite ore for yielding a high-TiO 2-content titanium source by separating and removing an iron component from ilmenite (FeTiO 3), characterized in that the method comprises an oxidation step of oxidizing a starting ilmenite; after the oxidation step, a reduction step of reducing the treated ilmenite; and after the reduction step, an extraction step of dissolving ...

More

About Ilmenite Ore Processing

2020-7-27  About ilmenite processing, the beneficiation method and plants involved depends on deposit type, ore natures and composition. There is primary deposit and placer or alluvial ilmenite ore. And for these two different kinds of ore, the processing is very different. The following is general instruction about the ilmention upgrading for different ...

More

Ilmenite for pigment and metal production

Chlorination method. DuPont in USA [4] produces the pigment since 1950 by direct chlorination of ilmenite ore, separation of products by fractional distillation, then oxidation of TiCl4 (Figure 10): Figure 10: Simplified Du Pont process for pigment production from ilmenite. 2FeTiO3 + 7Cl2 +

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Ilmenite for pigment and metal production

2016-10-28  Ilmenite deposits may be massive as in Province of Quebec (Figure 3) or as black sands (Figure 4) associated with magnetite, monazite, and other valuable minerals which are separated by physical methods (Figure 5). In the first magnetic separation a weak magnet is used to separate magnetite while in the second magnetic separation a high-

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Mineralogy, Chemical Characteristics and Upgrading

2017-8-25  Mass magnetic susceptibility reveals 97.6% of ilmenite and 92% of the altered form are obtained at 0.20 and 0.48 ampere. Fresh ilmenite exhibits variable TiO 2 (47.18%) and Fe 2 O 3 T (46.10%) with minor MnO, MgO and Cr 2 O 3 (1.22, 1.10 and 0.51%).

More

[PDF] Upgrading of raw vanadium titanomagnetite ...

In view of the continuous depletion of titanium, rutile, and ilmenite mineral deposits, the search for cost-effective practices for titanium production using vanadium titanomagnetite as raw material has become increasingly important. In this study, vanadium titanomagnetite concentrate obtained from the Panzhihua area in China was upgraded via fine grinding followed by magnetic separation to ...

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Characterization and x-ray absorption spectroscopy of ...

2017-7-17  XRD patterns of starting ilmenite ore, the residue of ilmenite milled in water and acid, and subsequent acid leached samples are given in figure 4. For as-received ilmenite ore, three dominant peaks of FeTiO 3 (ilmenite) (JCPDS No. 89-2811), Fe 2 TiO 4 (titanomagnetite) (JCPDS No. 75-1378) and TiO 2 rutile, are

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The effect of molten sodium titanate and carbonate salt ...

2004-1-18  upgrading to form synthetic rutile (TiO 2 > 90%). Various techniques are used commercially for the production of synthetic rutile. The slagging, which involves smelting of ilmenite to produce a high-titania slag and iron byroduct, is the main process for beneficiation of ilmenite ores. The roasting of ilmenite via Becher process or roasting and ...

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Dissolving Or Leaching Of Iron Patents and Patent ...

The ilmenite ore is admixed with an acidic solution to form a mixture. The mixture is electrolytically reduced to convert at least a portion of any ferric iron that is present to ferrous iron. The acidic solution dissolves the ferrous iron in the ilmenite ore and yields beneficiated ilmenite having a relatively high titanium dioxide content.

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A comparative study on the chloride effectiveness of ...

2021-2-17  Ilmenite(FeTiO 3) ore is a raw material for producing TiCl 4 through the chlorination method and the sulfuric acid reaction method. TiCl 4 is used as a raw material for producing metallic titanium ...

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