ilmenite processing by slag procedure

A process for enhancing ilmenite from deposits of mineral sands or mineral concentrates comprises a single stage fluidized bed magnetizing roast (16). A temperature of 650° C.-900° C. in an excess of a carbonaceous fuel (such as coal/char, CO or hydrocarbon) is used to provide an atmosphere in which the oxygen potential is controlled resulting in a consistently high magnetic susceptibility ...

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The ilmenite smelting process depends on the presence of a solidified slag skull to protect sidewall refractory material from chemical attach by molten slag. No known refractory material is able ...

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APPENDIX I . PROCESSING OF METALS Methods for Refining Titanium Figure 4-24 demonstrates various means for obtaining titanium from lunar ore. It is reasonable to expect that ilmenite could be obtained from lunar ore since a similar process on terrestrial ore is carried out commercially using a combination of magnetic, electrostatic and flotation separators.

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Electro Smelting of Ilmenite for Production of Tio 2 Slag – Potential of India as a Global Player 827 in reduction of a portion of the Ti to Ti 2O3, which is less soluble in sulfuric acid and hence such slags are not suitable for the sulfate process pigment production.

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For these reasons, titanium slag was used only for making pigment by the sulfuric acid process [7]. The slag was treated in the same way as ilmenite with the exception that no separation of ferrous sulfate was necessary because the bulk of iron was already separated by reduction in the earlier step (Figure 13).

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This type of knowl- the slag bath as well as it would when the force of the edge is what is required when one wants to automate arc is present to drive it into the slag bath. Ilmenite control of the furnace by implementing an advanced and reductant may float on the surface of the slag bath process control system. as islands of agglomerated ...

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Prereduction and DC open-arc smelting of carbon-based ilmenite pellets K. Bisaka, I. Thobadi, and X. Goso Pyrometallurgy Division, Mintek The smelting of ilmenite to produce valuable titania slag and pig iron is an energy-intensive process. At process temperatures of about 1700°C, roughly 1 MWh of electricity per ton of ilmenite feed is consumed.

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pigment production through the chloride process. keywords: titanium slag, synthetic rutile, chloride process, sulfate process, acid leaching, TiO 2 pigment 1. Introduction Titanium is relatively abundant in the earth's crust, which is usually found in igneous and metamorphic rocks as ilmenite (FeTiO 3), rutile (TiO 2) and titanomagnetite (Fe 2

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Ilmenite mining process. Most ilmenite ore are poor ilmenite ore, so the ore processing must be carried out. Ilmenite ore beneficiation methods currently used for the mechanical selection (including washing, screening, re-election, high intensity magnetic separation and flotation), as well as fire enrichment, chemical processing method.

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process, is therefore one of the primary objectives of ilmenite smelting. Slag and iron are tapped periodically from separate sets of tapholes located around the circumference of the furnace. The slag tapholes are on a higher elevation than those for iron. Slag is tapped into 20 t steel pots, and cooled for

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Selected recent innovations are then introduced towards more efficient cathode design and practices. Finally, the prospects of the FFC Cambridge process are discussed for processing the ilmenite ore and the so-called titanium-rich slag to produce Fe–Ti alloys …

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The Becher Process is an industrial process used to produce rutile, a form of titanium dioxide, from the ore ilmenite.It is competitive with the Chloride Process and the Sulfate Process, which achieve similar net converstions.. With the idealized formula FeTiO3, ilmenite, contains 55-65% titanium dioxide, the rest being iron oxide.The Becher process, like other beneficiation processes, aims to ...

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The smelting process comprises the carbonaceous reduction of ilmenite to produce titania slag with a TiO2 content of 86%, and iron with a carbon content of 2.5%. In the Ti slag production process, the iron oxides are reduced to metallic iron, thereby producing a TiO2-rich slag and high purity iron.

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Mar 15, 2010· 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 …

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pressure and moderate-temperature hydrometallurgical process to yield an upgraded titania slag with 94.5 mass percent TiO 2, which is used in the chloride process. After describing in detail the benefi-ciation, chemistry, and mineralogy of the hemo-ilmenite ore, this article reviews the unique crystallochemistry and mineralogy of the

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WO2017087997A1 - Improved ilmenite smelting process ... Raw ilmenite, in a particular process, is replaced by pre-reduced ilmenite pellets. The steps for the production process of the latter are to prepare ilmenite pellets using bentonite and to pre-reduce the pellets in a rotary kiln in the presence of a solid, carbonaceous reductant in excess.

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CHAPTER 2 ILMENITE SMELTING PROCESS OVERVIEW The purpose of this chapter is to introduce the reader to various aspects regarding the ilmenite smelting process. It also combines information from a number of literature resources to provide a consolidated body of data and information on which the work of this study is based.

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Ilmenite ores can also be converted to liquid iron and a titanium rich slag using a smelting process. Ilmenite ore is used as a flux by steelmakers to line blast furnace hearth refractory. Ilmenite sand is also used as a sandblasting agent in the cleaning of diecasting dies.

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Pilot-Scale Demonstration of Ilmenite Processing Technology UMD NRRI iii chloride leaching and solvent extraction system parameters for the ilmenite concentrate. The test program focused on the leach efficiency and extraction efficiency of the target elements; iron and titanium.

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In ilmenite smelting, the iron content of the oxide is also lowered by reduction to metallic iron, but this takes place in the liquid state, at a much higher temperature (of around 1650°C). Ilmenite smelting thus yields two products: a titania-rich slag, and molten iron. This is in contrast with the Becher process,

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STUDY OF SODA EFFECT ON THE SINTERING PROCESS OF LOW TITANIUM SLAG Galymzhan Maldybayev1, Madali Naimanbaev2, Irina Shadrunova3, Nyna Lokhova2, Rustam Sharipov4 ABSTRACT The article presents study results of the sintering process of soda with low-titanium-containing slag, where the slag is produced during processing of titanium magnetite ...

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Preparation of Titanium Dioxide Anatase Pigment from Rosetta Ilmenite Concentrate via the Sulfate Route ( 131 ) ABSTRACT KEYWORDS Preparation of Titanium Dioxide Anatase Pigment from Rosetta Ilmenite Concentrate via the Sulfate Route Abdelfattah,N.A. E.mail:[email protected] Ion Beam Emittance, Pentode Extraction System, First and Second

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Ilmenite Smelting . Ferrous Processing 10 1. Looking at the slag composition, it can be noted that the slag contains about 7% FeO . 2. The iron phase, however, is composed of 99.8% Fe . 3. It would be interesting to see how the slag and metal composition changes with carbon addition

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The Richards Bay slag was obtained by smelting a sand ilmenite. Material and Energy Balances. The ilmenite conversion process has been broken down into three general unit operations¬-reduction, smelting, and leaching—as shown in figures 8, 9, and 10.

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Dec 12, 2016· Ilmenite Ore Processing Plant - Buy Ilmenite Ore Packaging Detail: Ilmenite Ore Processing Plant packaging with wood box, adjustable, according to customer ilmenite and rutile ores mining and ...

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Roasting process. Ilmenite, as mined, has a high Cr 2 O 3 content which makes is unsuitable for direct smelting to titania slag. Some of this Cr 2 O 3 is removed at the mine when the ilmenite is passed through a magnetic separation step in which the highly susceptible Cr 2 O 3-rich fraction of the ilmenite …

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Sulfate process (Kirk-Othmer, 1997; Kirk-Othmer, 2006; DeMerlis, 2005) Both anatase and rutile grades of titanium dioxide can be produced by the sulfate process, depending on particular processing conditions. Briefly, ilmenite or ilmenite and titanium slag is digested with sulfuric acid and the product is diluted with water or dilute acid.

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Basic procedure of ilmenite smelting and rational Ti slag grade in pyrometallurgical process have been summarized and analyzed. The rational Ti slag grade is related to reduction degree, FeO ...

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In comparison with the conventional process of upgrading ilmenite, the process with leaching titanium slag in alkaline solutions requires relatively mild reaction conditions and high decomposition rate of titanium slag can be fulfilled under relatively low temperature and atmospheric pressure.

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