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Recovery of Ilmenite and Other Heavy Minerals from Teri ...

ABSTRACT . The red sand which is known as Teri sand in Tamil Nadu consists of 5.5% Total Heavy Minerals (THM) out of which 3.7% is ilmenite. The other minerals, zircon, sillimanite and garnet are in the order of abundance identified. On processing this feed to recover ilmenite by using

Pelletization performance of Panzhihua ilmenite concentrate

The effect of pre-oxidation degree of Panzhihua ilmenite concentrate on the gaseous reduction by carbon monoxide was investigated. The raw ilmenite …

Reduction mechanism of natural ilmenite with graphite ...

Abstract. Reduction of Bama ilmenite concentrate containing 49.78% TiO 2 and 27.96% total Fe by graphite was studied using thermogravimetric analysis system under argon gas ambient from 850 to 1 400 °C. The reduction degree of Bama ilmenite is enhanced with increasing temperature and the molar ratio of carbon to oxygen, and the reaction rate ...

Effect of SiO2 on Preparation of Ferrotitanium Alloy from ...

Abstract: The effect of SiO2 on preparation of ferrotitanium alloy from ilmenite concentrate by electroreduction in CaCl2 molten salt was investigated against electrolysis time and cell voltage. The results showed that the ferrotitanium alloy was prepared ...

Reduction Mechanism of a Natural Ilmenite with Graphite

Abstract: Reduction of Bama ilmenite concentrate containing 49.78% TiO2 and 27.96% total Fe by graphite was studied using thermogravimetric analysis system under argon gas ambient from 850 to 1 400 ℃. The reduction degree of Bama ilmenite is

Isothermal oxidation kinetics of ilmenite concentrate ...

A novel process of extraction of high titanium mineals (slag) from ilmenite concentrate is proposed. Abstract The objective of this study was to establish the kinetics of oxidation of ilmenite concentrate powders, which promotes reduction via the oxidation process.

The Dissolution of Fe in HCl from the Ilmenite Concentrate ...

Abstract. Selective HCl dissolution of ilmenite components for obtaining Ti or titanium dioxide (TiO{sub 2}) has been highly recognized due to its advantages, greater environmental friendliness, and simplicity, compared to H{sub 2}SO{sub 4} and Cl{sub 2} methods. The effect of numerous parameters has been studied with the one-factor-at-a-time ...

Utilization of Titanium Hydroxide Prepared from Rosetta ...

Abstract Titanium hydroxide Ti(OH)4 prepared from Rosetta ilmenite concentrate has been applied to uranium adsorption from aqueous solution. The adsorption efficiency was studied in batch experiments in relation to pH, adsorbent dose, uranium initial ...

Solid state and smelting reduction of Panzhihua ilmenite ...

Abstract. Solid state and smelting reduction of ilmenite is an important process of upgrading ilmenite to high titania feedstock. In this study, an ilmenite …

Experimental Study of Flotation on High ... - Scientific.Net

Abstract: In order to improve the separating index of ilmenite to separate the concentrate by high intensity magnetic separation, the Heishan iron ore in Chengde did some work. Separate the sulfide ore out by flotation under the conditions of concentration by weight in feed 32%, consumption of xanthate 200g/t and 2 # oil 40g/t. Use sulfate to ...

(PDF) Solid-state reduction of an ilmenite concentrate ...

Abstract. The solid-state reduction of ilmenite concentrate with graphite was studied under argon atmosphere at temperatures between 1050°C and 1350°C. The rate of reduction increased with ...

ILMENITE SMELTING IN A PILOT SCALE DC FURNACE

Abstract Electric arc furnace smelting is one of the main processing routes used to upgrade ilmenite into a suitable tita-nium feedstock for pigment and sponge producers. During the ilmenite smelting process the iron oxides present in the ilmenite concentrate matrix are reduced to metallic form by using carbon as the reductant. A slag rich in TiO 2

Titanium and iron dissolutions from ilmenite by acid ...

ABSTRACT. This research was concerned with the solubility of ilmenite (Tin Tailing) in acids (sulfuric, hydrochloric, oxalic and citric) and bioleaching by Aspergillus niger, Penicillium citrinum and Bacillus megaterium. Ilmenite concentrate was soluble in 1.5 M sulfuric acid and 1.5 M hydrochloric acid solutions at 90 °C. However, improved ...

Pyro-Metallurgical Processing of Ilmenite Concentrate with ...

Pyro-Metallurgical Processing of Ilmenite Concentrate with Production of Iron and Titanium Oxides. Article Preview. Abstract: The main problem of processing of ores with a high content of titanium oxides is refractory slag based on TiO 2, which makes it difficult to melt. The methods of processing of titanomagnetite and ilmenite ores were analyzed.

Briquetting of Egyptian Ilmenite Ore with Different ...

Abstract: Ilmenite ore fine was briquetted with different amounts of molasses or pitch pressed under different pressure was studied in this investigation. The results show at optimum ... Rosetta ilmenite concentrate are ilmenite FeTiO3, pseudorutile Fe2Ti3O9, hematite Fe2O3 and small quantity of rutile [20].

Effect of Na 2 B 4 O 7 Addition on Carbothermic ... - J-STAGE

Abstract. Ilmenite concentrate is a superior quality raw material to production of titania slag. The iron oxide of ilmenite concentrate is reduced to metallic iron and titanium oxide enriched in slag. Therefore, the enhancement reduction of ilmenite concentrate is in favor of improving the level of smelting of titania slag and reducing smelting ...

Ti leaching from activated ilmenite-Fe mixture at ...

Abstract. Mechanical activation processes on ilmenite concentrate were performed in three different energy levels. Iron powder as a reducing agent was added to ilmenite in the milling stage and the mechanically activated mixture was subjected to acid leaching. The leaching experiments were designed using the Taguchi method, and the optimum ...

UPGRADING OF TITANIUM DIOXIDE FROM ILMENITE …

Technological University (Kalay) ETSJ, 2020.Volume-02, Issue-02 245 UPGRADING OF TITANIUM DIOXIDE FROM ILMENITE CONCENTRATE San Yu1, Aung Myint Wai2 Abstract—Ilmenite is an economically important and interesting mineral.This mineral can be

Solid state reduction of a natural ilmenite | Request PDF

Abstract. An ilmenite concentrate was reduced with graphite under argon gas between 1250 °C and 1350 °C by using a thermogravimetric analysis …

Comparison of One-Step Method and Two-Step Method …

Abstract: 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 …

The Dissolution of Fe in HCl from the Ilmenite Concentrate ...

There are over 20 minerals containing Ti, among which ilmenite (FeTiO 3), with about 89 pct, is the most frequent one.[1,2] The Kahnooj and Ghare Aghaj mines are considered the two biggest ilmenite deposits in Iran with over 150 and 56 million tons of proven Ti, respectively.Currently, efforts are in progress to obtain various Ti products from the produced …

Studying the Pelletization of Rosseta Ilmenite …

A representative sample of Rosetta beach ilmenite concentrate was provided by the black sands project of Nuclear Material Authority (NMA) used for all experiments during this work. The Rosetta ilmenite concentrate ore contains about 43.6% TiO2, 27.5% FeO and 20.9 %Fe2O3. The size of Rosetta ilmenite ore used in this investigation was less than ...

IRON REMOVING FROM TITANIUM SLAG FOR …

Abstract. Leaching with sulfuric and hydrochloric acids for upgrading titanium slag obtained from the Qara-aghaj ilmenite concentrate to a high grade titanium dioxide (TiO 2) was studied. The titanium slag containing 72.7% TiO 2 and 7.8% Fe 2 O 3 was leached at varying solid/liquid (S/L) ratio, particle size, leaching time and acid concentration.

Oxidation kinetics of ilmenite concentrate by non …

Abstract The non-isothermal oxidation experiments of ilmenite concentrate were carried out at various heating rates under air atmosphere by thermogravimetry. The oxidation kinetic model function and kinetic parameters of apparent activation energy (Ea) were evaluated by M lek and Starink methods. The results show that under air atmosphere, the ...

Carbothermal Reduction of a Primary Ilmenite Concentrate ...

The ilmenite concentrate used in this investigation was the primary ilmenite supplied by Iluka Resources Limited (Perth, Western Australia). The chemical composition of the ilmenite concentrate is presented in Table I.It contained 53.9 wt pct of TiO 2; the particle size was in the range of 50 to 300 μm with an average size of 152 μm.As-received ilmenite particles and …

Production of Nanosized Synthetic Rutile from Ilmenite ...

ABSTRACT: Titanium dioxide is widely used in the manufacturing of paints, varnishes, lacquer, ... the ilmenite concentrate was given athermal pre-leach treatment (oxidation at 800°C, for 30 min and reduction in argon at 950°C, for 1h and 1/0.75 ratio ofilmenite to active coal

(PDF) Preparation of Rutile from Ilmenite Concentrate ...

dioxide within the raw ilmenite concentrate, it results a Fig. 10—XRD pattern of the synthetic rutile made by a two steps leaching process with the standard diffraction spectrums.

Gaseous Reduction Behavior of Primary Ilmenite at ...

Reduction Characteristic of Primary Ilmenite Concentrate. The Yeon-cheon ilmenite concentrate was reduced for 100 minutes at 1273 K, 1373 K, and 1473 K in an H 2 –CO atmosphere. The reduction degrees increased over time, reaching a steady state of 72.9, 87.1, and 92.6 pct, respectively, which shows the significant effect of temperature.

A new process for comprehensive ... - ScienceDirect

Abstract. Ilmenite concentrate is the second most abundant resource from the vanadium-bearing titaniferous magnetite in Panzhihua, comprising about 90% of the titanium resources in China. In order to fully utilize Panzhihua titanium resources, a new process was proposed in this work. In the process, Panzhihua ilmenite concentrate was first ...

Carbothermic reduction of ilmenite concentrate in semi ...

1. Introduction. Ilmenite is one of the most important raw materials to produce titanium pigments [,, ].With the rapid development of the titanium industry, reserves of high grade titanium mineral have gradually been depleted all over the world, and it is, therefore, paramount that more attention is paid to relatively low grade titanium resources such as ilmenite …