Oxygen Potential of High-Titania Slag from the Smelting Process of Ilmenite - US6733561B2 - Production of high titania slag from ilmenite
NO-343430-B1 chemical patent summary.Feb 01, 2016· Titanium rich slag has emerged as a raw material for alternative titanium source. Ilmenite contains 42–50% TiO2 as the mineralogical composition depending on the geographical resources. …
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Synthesis and Characterization of Titanium Slag from Ilmenite by - A literature review of titanium slag metallurgical processes
In a process for producing titania slag from ilmenite, granular ilmenite first is partially reduced with a reducing agent in a reduction reactor, then the hot material with an inlet temperature of at least 550 °C is transferred into an electric furnace and molten there in the presence of a reducing agent by forming liquid pig iron and titania slag.Aug 01, 2008· In such a treatment, the composition of the titania slag product is chemically and mineralogically different from ilmenite. According to Van Dyk et al., (2004) all titanium is present in ilmenite as Ti(IV) and about 20% of iron is present as Fe(III) and the rest as Fe(II). However, titanium in the titania slag occurs as Ti(III) and Ti(IV) and ...
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A process for producing synthetic rutile from Panzhihua titanium slag - Production of titanium slag - Billiton SA Limited
Apr 25, 2017 · The titanium industry consists of ilmenite and rutile production, titanium sponge production at the Zaporozhye Titanium & Magnesium Combine (ZTMK) and titanium ingot production by a few different smaller producers. 4. Kazakhstan. Kazakhstan produces the fourth most titanium in the world at 27,000 metric tons in 2013.Mar 01, 2006· Fe + H2SO4 (l) = FeSO4 (s) + H2 (g) (5) The sulfate process was the first commercialized technology to convert ilmenite to titanium pigment. From this point of view, upgrading the titanium slag ...
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High-Titanium Slag Preparation Process by Carbothermic … - Titania-Slag - Production Process, Technology, Applications, …
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 …Sep 28, 2020· SR TiO 2 content ranges from 85 to 96%, or more commonly 90–95% (Gilman and Taylor 2001), and is suitable for chloride pigment production or titanium metal production; Iluka is currently undertaking research into possible production of acid-soluble SR, which would be suitable for sulfate pigment production.. Chloride grade ilmenite is …
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Process And Plant For Producing Titanium Slag From Ilmenite - Production of titanium slag - MyScienceWork
according to analyzing and summarizing the literature of ilmenite concentrate smelting titanium slag, comes to conclude: the production process of ilmenite concentrate smelting titanium slag can be divided into the one-step method and two-step method, dominated by two-step method at home; foreign dominated by two-step. This paper …Jan 01, 2013· Titanium slag produced by smelting with the use of alkali fluxes was subjected to oxidizing roasting at 950° C and then to water leaching with V2O5 deposition. The remainder containing about ...
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AU2013383015A1 - Process and plant for producing titanium slag … - Sulfation Leaching Treatment ilmenite Concentrate …
Aug 06, 1998· A process for producing titanium slag which is low in radioactivity wherein molten titanium slag, produced by smelting ilmenite in the presence of a reductant in a DC electric arc furnace, is separated from molten iron, boron in an amount which is less than 2.5% equivalent B 2 O 3 of the slag is blended with the molten slag which thereafter is …A process for producing titanium slag from ilmenite comprises the steps of: a) Partial reduction of granular ilmenite with a reducing agent in a reduction reactor (6) at a …
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(PDF) An overview on the production of pigment … - (PDF) Physicochemical Aspects of Titanium Slag Production …
Feb 01, 2016· Thermal plasma processing of ilmenite for the production of titania rich slag is considered to be the direct route to meet the current …Jul 09, 2022· Titanium slags produced through ilmenite electric furnace smelting contain 60–80%TiO2, a vital titanium resource in the titanium industry. The processing and utilization of titanium slag is faced with many challenges, such as complex mineral structures, high requirements, severe environmental pollution, and heavy additives and …
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Soda ash roasting of titania slag product from Rosetta ilmenite - High-Titanium Slag Preparation Process by Carbothermic
A process for producing titanium slag from ilmenite comprises the steps of: a) Partial reduction of granular ilmenite with a reducing agent in a reduction reactor (6) at a temperature of at least 900°C, b) Transfer of the partially reduced hot ilmenite obtained in step a) into an electric furnace (12), c) Smelting the ilmenite in the electric furnace (12) …As the titanium industry rapidly develops, low-grade ilmenite resources are drawing global attention. The direct use of low-grade ilmenite can result in low production efficiency and heavy pollution. In addition, the production of high-titanium slag via electric furnace melting consumes significant energy and possesses low production efficiency. …
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UA92729C2 - Method and plant for production of titanium slag … - Recent Progress in Electric Furnace Titanium Slag Processing and ...
Nov 19, 2020· As the titanium industry rapidly develops, low-grade ilmenite resources are drawing global attention. The direct use of low-grade ilmenite can result in low …Jan 01, 2012· In the smelting of ilmenite, the iron oxide in ilmenite is reduced by a suitable carbonaceous reductant to metallic iron, resulting in a high titania slag containing 75-95% TiO 2, of which slags ...
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Ilmenite: An Ore of Titanium | Beneficiation and Plant - Production of high titania slag from ilmenite - SCHOUKENS …
Production Of Titanium Slag Billiton Sa Limited. A process for producing titanium slag which is low in radioactivity wherein molten titanium slag, produced by smelting ilmenite in the presence of a reductant in a DC electric arc furnace, is separated from molten iron, boron in an amount which is less than 2.5% equivalent B 2 O 3 of the slag is ...Apr 08, 2018· The ilmenite concentrate used to prepare titanium slag was obtained from a massive deposit of primary ilmenite- magnetite minerals in rock containing anorthosite and gabbro. Ilmenite concentrate produced …
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Comparison of One-Step Method and Two-Step Method of Ilmenite - production of titanium slag
A process is provided for the production of titania rich slag from ilmenite. The ilmenite is fed together with carbonaceous reductant, and in the absence of fluxes, to the molten bath of a D.C. arc furnace. The molten bath of the furnace forms the anode and one or more electrodes in the roof of the furnace forms the cathode.Oct 01, 2003· We propose a hydrogen-based preliminary reduction process for primary ilmenite before the smelting process in titanium dioxide pigment production, because of its advantages of low energy ...
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The production of high titania slag from ilmenite - Google - Synthesis and Characterization of Titanium Slag from …
May 30, 2019· During the smelting process, proper increasing oxygen potential of the slag can effectively eliminate the slag foaming and inhibit the over-reduction of TiO 2. In fact, the over-reduction of TiO 2 leads to the presence of titanium suboxide and high melting substance like Ti(C, N), resulting in the low grade of the high-titania slag and the ...Jan 01, 2013· The process of production of rutile concentrate for coating welding electrodes by caking titanium slag with soda ash and sequential leaching the cake in water and a hydrochloric acid solution was ...
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