carbon for titanium slag furnace


Protection of Blast Furnace Hearth Lining by the Addition ...

Jun 09, 2013· Metallic iron is needed as the catalyst for the conversion of TiO2 to Ti(C,N). By addition of TiO2 into the BF, it gets dissolved in the slag phase and reduced to metallic Ti by silicon or carbon at the phase-interface of HM and slag as per the equations (i) TiO2 + …

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Improving the production efficiency of high-titania slag ...

Apr 16, 2020· Based on this 1 st order kinetic model, which was proposed by many researchers in smelting reduction of FeO by solid carbon in the slag under conditions of …

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Preparation of highly pure titanium tetrachloride from ...

A titania slag-lime-carbon mixture of composition similar to that of Example 6 was sintered for 3 hours at 1,450°C. The sintered material was crushed, reacted with water and elutriated to yield a product which analyzed 26% titanium, 22% calcium oxide and 31% carbon. X-ray diffraction analysis was then performed on the concentrate.

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Three electric furnace methods for producing high-carbon ...

Oct 02, 2020· For acid slag operation, the furnace temperature is about 1320-1400 ℃ lower than that of the flux method. The production of this method requires not only qualified high-carbon ferromanganese, but also low-phosphorus, low Iron-rich manganese slag. The solvent-free smelting process of high-carbon ferromanganese is continuous.

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Influence of B2O3 and TiO2 on Viscosity of Titanium ...

Apr 08, 2015· The viscous behavior of CaO–SiO 2 –MgO–TiO 2 –Al 2 O 3 –B 2 O 3 blast furnace (BF) slag system was studied. The effects of the B 2 O 3 and the TiO 2 on the viscosity and break point temperature, as well as the correlations of the properties with the slag structure were analyzed. According to the experiment results, an increase in the TiO 2 content tended to enhance the slag …

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A novel recycling approach for efficient extraction of ...

Feb 01, 2021· The recycling of high-titanium-bearing blast furnace slag (TiO 2 > 23 wt.%) is an urgent problem that has attracted global research attention. To achieve high-efficiency, low-consumption, clean, and high value-added recycling utilization, a new process is proposed herein, which entails reacting a CH 4-H 2-N 2 gas mixture with the titanium-bearing blast furnace slag to initially produce Ti(C, N ...

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The Manufacture of Steel - NZ Institute of Chemistry

Steel refers to any iron-carbon alloy, although steels usually contain other elements as ... produces a slag which blocks conventional blast furnaces as it has a high melting point. ... titanium oxide and coal ash accout for the rest of the mixture. This hot (950oC) mixture is then discharged to the melters.

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Control of Slag and Insoluble Buildup in Ladles, Melting ...

melting furnaces, pressure pour furnaces and magnesium treatment vessels with minimal to no adverse effects on refractory linings. Slag Formation: The formation of slag in the melting of ferrous metals in the foundry is inevitable. The composition of slag varies with the type of melting process used and the type of iron or steel being melted.

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PROTECTION MECHANISMS FOR BLAST FURNACE CRUCIBLE …

Mochón et al.-Protection mechanisms for blast furnace crucible using titanium oxides 197 Protection mechanism by adding titanium compounds STAGE-I STAGE-II STAGE-III Addition of TiO 2 in the Slag SLAG Disolution of TiO 2 in the Slag Incorporation of TiO 2 to the pig-iron as metallic titanium CARBON REFRACTORY Precipitation of Titanium Carbide

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Carbon-thermal reduction nitridation of blast furnace slag ...

Request PDF | Carbon-thermal reduction nitridation of blast furnace slag bearing titanium | Utilization of blast furnace slag bearing titanium is a key project. A new approach to utilizing the ...

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A Study on Reduction of Copper Smelting Slag by Carbon for ...

Jan 17, 2020· produce reformed slag like a blast furnace slag for blast furnace slag cement from copper slag. As a results, it was confirmed that reduction smelting by carbon at temperatures above 1400°С is possible to recover pig iron containing copper from copper smelting slag, and CaO additives in …

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Electric arc furnace carbon steel slag (EAF)

Electric arc furnace carbon steel slag is a by-product of the manufacture of steel by the electric arc furnace process (EAF). Production and Processing. An Electric arc furnace (EAF) produces steel by the melting of recycled steel scrap, using heat generated by an arc, created by a large electric current Lime added (as flux) combine with ...

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CA2462831C - Method for manufacturing titanium oxide ...

The present invention provides a method for efficiently manufacturing a titanium oxide-containing slag from a material including titanium oxide and iron oxide, wherein a reduction of titanium dioxide is suppressed and the electric power consumption is minimized. The method includes the steps of: heating a raw material mixture including titanium oxide, iron oxide, and a carbonaceous reductant ...

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(PDF) A literature review of titanium slag metallurgical ...

Jan 01, 2012· titanium slag in electric furnace or used as raw material in. sulphate process. There are about 44% titanium remaining in. ... carbon-containing p ellets cannot be removed through.

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High-Titanium Slag Preparation Process by Carbothermic ...

For the sample with a carbon dosage of 13 pct, Na 2 CO 3 dosage of 8 pct, reduction temperature of 1673 K (1400 °C), and 90 minutes holding time, high-titanium slag with a TiO 2 grade of 81.63 pct and iron content of 4.53 pct was produced, with the TiO 2 recovery rate of 93.43 pct and the yields of 55.37 pct. High-titanium slag can be used as ...

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A Study on Reduction of Copper Smelting Slag by Carbon for ...

Copper smelting slag is a solution of molten oxides created during the copper smelting and refining process, and about 1.5 million tons of copper slag are generated annually in Korea. The oxides in copper smelting slag include ferrous (FeO), ferric oxide (Fe2O3), silica (SiO2 from flux), alumina (AI2O3), calcia (CaO) and magnesia (MgO). The main oxides in copper slag, which are iron oxide and ...

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STUDY OF THE POSSIBILITY OF FERROTITANIUM …

Key words: ferrotitanium, ilmenite, melting, aluminum, slag, metal, furnace, thermodynamic._ 1. INTRODUCTION It is known that Ukraine possesses large titanium ores deposits. A lot of major Ukrainian specialty steels produc­ ers uses considerable quantity ferrotitanium for carbon stabilization while melting some grades of steels. This

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WO2016120529A1 - Method for producing titanium oxide ...

The invention relates to a method for producing titanium oxide-containing slag and pig iron from ilmenite. The method is characterized in that it comprises the steps: a) pre-reducing ilmenite in the presence of reductant in a prereduction reactor to metallize at least part of iron in the ilmenite; b) optionally removing unreacted reductant and gangue from the pre-reduced ilmenite; and c ...

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High carbon ferromanganese use and ... - Ferro Titanium

Mar 28, 2020· Mixing this slag into the charge of smelting silicon-manganese alloy can save lime and reduce lime deliquescence. Increased amount of charge dust, thereby improving the permeability of the charge. Most of the high-carbon ferromanganese smelted in electric furnaces abroad adopts the solventless method and the less acid method.

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Slag ing in an Electric Arc Furnace

Slag ing in electric arc furnace (EAF) steelmaking is critical for high productivity. The slag protects the refractories from the high intensity arc allowing for high power input and productivity. In the slag ing process, carbon is injected into the slag, reacts with FeO in the slag producing CO, which s the slag. The reaction ...

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Production of titanium slag - Billiton SA Limited

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 allowed to cool to form a glassy phase which ...

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Titania-Slag - Production Process, Technology ...

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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AISI | Electric Arc Furnace Steelmaking

in the slag. The reaction of oxygen with carbon in the bath produces carbon monoxide, which either burns in the furnace if ... (where a calcium aluminate slag is built) and during ladle furnace operations. For reducing conditions where the bath has a much lower oxygen activity, distribution ratios for sulfur of …

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Performance of Sulfuric Acid Leaching of Titanium from ...

titanium-bearing blast furnace slag (22-25 wt.% TiO2) without effective utilization. The sodium salt roasting-direct reduction-electric furnace smelting, direct reduction-magnetic separation and some other methods has been studied to utilize the titanium resource in the vanadium titanomagnetite concentrate, but these methods ...

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Carbothermic Reduction of Titanium-Bearing Blast Furnace Slag

The carbothermic reduction experiments were carried out for titanium-bearing blast furnace slag in Panzhihua Iron and Steel Company in argon atmosphere at high temperatures. The effects of reduction temperature, isothermal treatment time and carbon content on the formation of TiC were studied by X-ray diffraction (XRD) and scanning electron microscope (SEM). The XRD pattern results showed that ...

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Investigation of Titanium Compound Formation in the Blast ...

TiO2 dissolved in the slag phase will react with carbon to procure low valence titanium compounds and metallic titanium(TiO2 → Ti3O5 → Ti2O3 → TiO → Ti).(1-2) Part of the titanium is dissolvable in hot metal, and the remainder stays in the slag phase with low valence titanium compounds. The metallic tita-

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Carbothermic Reduction of Titanium-Bearing Blast Furnace Slag

Mar 01, 2016· Abstract The carbothermic reduction experiments were carried out for titanium-bearing blast furnace slag in Panzhihua Iron and Steel Company in argon atmosphere at high temperatures. The effects of reduction temperature, isothermal treatment time and carbon content on the formation of TiC were studied by X-ray diffraction (XRD) and scanning electron microscope (SEM). The XRD …

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High-Titanium Slag Preparation Process by Carbothermic ...

10%· Nov 19, 2020· For the sample with a carbon dosage of 13 pct, Na 2 CO 3 dosage of 8 pct, reduction temperature of 1673 K (1400 °C), and 90 minutes holding time, high-titanium slag with a TiO 2 grade of 81.63 pct and iron content of 4.53 pct was produced, with the TiO 2 recovery rate of 93.43 pct and the yields of 55.37 pct. High-titanium slag can be used as ...

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Development of a control strategy for the open slag bath ...

for the open slag bath furnaces (OSBF) was 1.16% for the same period. Low iron yield – mainly due to low iron temperature Low productivity – due to low power inputs. This is a result of erratic furnace carbon contents. The average metal production for the SAF was 284 t/day for July 2008, while for OSBF it was 344 t/day for the same period.

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Recovery Of Titanium In Ferro Chrome Slag

ferrochrome slag recovery technology in india. grinding of ferro chrome kaolin equipment suppliers. grinding of ferro chrome FERROCHROME SLAG RECOVERY TECHNOLOGY IN INDIA Feb 20 2017 13 00 carbon for titanium slag furnace carbon for titanium slag furnace crusher in India recovery of titanium in ferro chrome slag the technology of Vertical Roller Mill for Grinding of ferro chrome …

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