e traction of titanium from ilmenite with sulphate acid

Solvent extraction of titanium from the simulated ilmenite ...

1. Introduction. Titanium dioxide is the most important white pigment as well as photo- and bio-activity catalysts with comprehensive application prospects (Alapi et al., 2006, Anpo and Thomas, 2006).The commercial routes for TiO 2 production consist of the sulphate and chloride processes. In today's China, more than 90% of titanium dioxide is produced with the sulfate …

(PDF) Production of titanium tetrachloride (TiCl 4 ) from ...

titanium tetrachloride for production of titanium metal either by Kroll process or by electrolysis [42]. The. ilmenite ores are usually composed of 40-60% TiO2 and iron oxide as the other major ...

Production of Nanosized Synthetic Rutile from Ilmenite ...

many kinds of low-titanium-content resources. The sulphate process was the first commercialised technology to convert ilmenite to titanium pigment. In the sulphate process, ilmenite(40–60% TiO 2) and/or titanium slag (72–87% TiO 2) is digested with sulphuric acid to form water soluble sulphates (Titanylsulphate

An Electrochemical Study of the Reduction and …

The sulfate process in which ilmenite minerals are directly dissolved by heating with concentrated sulfuric acid at 150-180 o C is the first step in the commercial production of pigment-grade titanium dioxide (Barksdale, 1966).

e traction of titanium from ilmenite with sulphate acid Jan

Titanium dioxide - Wikipedia. Titanium dioxide, also known as titanium(IV) oxide or titania / t aɪ ˈ t eɪ n i ə /, is the naturally occurring oxide of titanium, chemical formula TiO 2.When used as a pigment, it is called titanium white, Pigment White 6 (PW6), or CI 77891.Generally, it is sourced from ilmenite, rutile, and anatase.It has a wide range of applications, including paint ...

PROCESS ECONOMICS PROGRAM - ihsmarkit.com

7.2 Titanium Dioxide Pigment from Ilmenite by the Sulfate Process Flow Sheet..... 7.3 Titanium Dioxide Pigment from Ilmenite by the Sulfate Process The Effect of Plant Capacity on Capital Investment . . . 7.4 Titanium Dioxide Pigment from Ilmenite by the Sulfate Process

of a local ilmenite ore Sulphatisation and sulphidisation ...

traction of 36 8411, of TiO2 from ilmenite by heating with ammonium-sodium sulphate mixtures at 300°-340C. Treatment with sodium sulphate at different tempera-tures up to 1200' in presence of carbon, followed by leaching with HSO„ was founds to effect extraction of 79-920'' of TiO2-content of ilmenite and other titanium-bearing minerals .

Sulphate method – Tytanpol

The titanium-bearing raw material (ilmenite or titanium slag), after drying and grinding, is mixed in strictly specified proportions with concentrated sulphuric acid. Digestion of raw material taking place as the result of its reaction with the sulphuric acid is carried out by periodical method in special reactors.

Titanium Dioxide Production by Hydrochloric Acid …

of ilmenite towards hydrochloric acid depends on the nature of the mineral. It is commonly recognised in altered igneous rocks as leucoxene and unaltered form as rutile. Generally, the unaltered ilmenite is more readily leached by …

Preparation of nano-titanium dioxide from ilmenite using ...

In this study, high purity nano-TiO 2 was prepared from Panzhihua ilmenite using sulfuric acid-decomposition by liquid phase method. The effects of H 2 SO 4 molar volume, reaction time, initial pre-heating temperature and H 2 SO 4 concentration on the decomposition rate of ilmenite were investigated in detail. The results showed that the decomposition rate …

Development of a Safe and Environmentally Friendly …

The current research was aimed at developing a safe and more environmentally friendly sulfate process for the production of titanium oxide. In this process, to leach titanium from ilmenite by relatively dilute sulfuric acid (50 wt %), a two-step leaching scheme using a series of stirred tank reactor (STR) and vertical stirred media reactors (SMRs) was devised for carrying …

Leaching and kinetics studies on processing of Abu …

relevant acid leaching conditions for titanium dioxide recovery include acid concentration, particle size, solid/liquid ratio, agitation speed, temperature, and leaching time. 2.2.3 Methods of analysis For the chemical analysis of the ilmenite ore, a weighed sample of finely ground ore was fused with potassium

Preparation of Rutile from Ilmenite Concentrate Through ...

of condensed sulfuric acid with ilmenite concentrate or acid soluble titanium slag, the puriﬁcation of titanium sulfate solution, the hydrolyzation of hydrous titanium

Titanium dioxide pigment production from ilmenite ...

A process for producing titanium dioxide of a pigment grade from ilmenite in which ilmenite is optionally leashed with dilute hydrochloric acid to effect at least a substantial removal of the phosphorus content therefrom reacting the resulting ilmenite when in a particulate form with an excess of hydrochloric acid at an acid concentration greater than 25% w/w to generate …

TITANIUM TETRACHLORIDE PRODUCTION BY THE …

Titanium dioxide pigment is manufactured through either the sulfate, the chloride, or the chloride-ilmenite process. The sulfate process, used at only two U.S. plants, involves digestion of ilmenite ore or TiO 2-rich slag with sulfuric acid to produce a cake, which is purified and calcined to produce TiO 2 pigment.

Leaching of ilmenite to produce titanium based materials ...

Naturally available ilmenite mineral is being used as a starting material to produce titanium based products that have wide applications. Transformation of ilmenite to different titanium based materials by strong and weak acid, and base digestion, is discussed. Effects of temperature, concentration of acid/base, reaction time on dissolution of ilmenite are …

Tannic Acid Selectively Extracting Titanium from Ilmenite ...

ao Cho J, Roy S, Sathyapalan A, Free LM, Fang ZZ 21 Tannic Acid Selectively Etracting Titanium from lmenite: Eperimental and Theoretical nvestigation. J Powder Metall Min : 13 doi:141221 113 Page 3 of 5 Poe ea a oe ae oa oe e 3 3 2 1700~1450 cm-1 are due to the chelation process for the formation of metal complex. The peaks due to C-O stretching vibration and O-H bending

A Review on the Recovery of Titanium Dioxide from …

ABSTRACT Pretreatment of ilmenite are required to enhance leaching efficiency of ilmenite. Strong acid leaching is promising in terms of the purity of the produced TiO2, low energy consumption and waste management. The effect of several factors on the acid leaching kinetics in reported processes was reviewed. Temperature, time and acid concentration significantly …

Preparation of TiO2 from ilmenite using sulfuric acid ...

1. Introduction. Titanium dioxide, an important intermediate in the manufacture of paints, paper, inks, rubber, floor covering, ceramics, pharmaceuticals and other areas of chemical industry, is commercially manufactured by two main processes, namely the sulfate process and the dry chlorination process, .In the sulfate process, the ilmenite ore is dissolved …

1 J. Gambogi, Titanium and Titanium Dioxide, from …

Titanium dioxide pigment is manufactured through either the sulfate, chloride, or chloride-ilmenite process. The sulfate process, used at only two U.S. plants, employs digestion of ilmenite ore or TiO 2-rich slag with sulfuric acid to produce a cake, which is purified and calcined to produce TiO 2 pigment. The sulfate process generates

Production of rutile from ilmenite - SHIAH; CHYN DUOG

FIG. 3 is a flow sheet of the aspect according to this invention showing the preparation of a rutile-type TiO 2 from low grade ilmenite ores via sulphuric acid and a metathetical replacement reaction with calcium chloride to yield rutile-type TiO 2, and FIG. 4 is a flow sheet of the integrated process wherein both high grade and low grade ...

Microwave Assisted Dissolution of Sri Lankan Ilmenite ...

The kinetics of the leaching of titanium and iron from Sri Lankan ilmenite in a sulphuric acid medium heated by microwave energy is studied. The effects of the concentration of sulphuric acid ...

Development of Extraction Method and Characterization …

Therefore, titanium is easily bonded to oxygen and carbon at a high temperatures11,12. Titanium is a metal which is resistant to corrosion and high temperatures, with a high melting point, and low weight. Titanium can be extracted by hydrometallurgy method which includes ilmenite leaching with hydrochloric acid and sulfuric acid13-15. This ...

Travancore Titanium Products - Sulphuric Acid

The mass in the solid form is dissolved in dilute sulphuric acid to get titanium in solution as titanium oxy sulphate (TiOSO 4) along with other metallic ingradients in ilmenite as their sulphate. The liqour is reduced using scrap iron, …