• Surface modification of ilmenite and its accompanied

    2021 9 9 Abstract The effect of conventional thermal pretreatment on the surface properties of ilmenite and its accompanied gangue minerals was investigated using flotation experiments microflotation and laboratory cell flotation XRD XPS and FT IR analysis and zeta potential and contact angle measurements

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  • SYNTHESIS OF TITANIUM TETRACHLORIDE THROUGH

    2019 5 6 ilmenite of Malaysia by Becher process using NH4Cl and AQ 2 catalysts at 70 C for 3 hours 179 Table 4 9 Standard Gibbs free energy changes for the chlorination reactions and impurities of the ilmenite of Malaysia Roine 2002b 195 Table 4 10 Chemical

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  • Leaching and kinetics studies on processing of Abu

    2016 11 15 Abstract Agitation leaching technique for upgrading Abu Ghalaga ilmenite ore for wide range of applications and major demands has been studied Experiments of leaching and dissolution kinetics of ilmenite ore using hydrochloric acid have been

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  • Investigation of a Canadian Ilmenite as an Oxygen Carrier

    2021 3 12 The use of chemical looping combustion CLC for power generation is an advanced energy technology that can capture CO2 inherently which could prove to be the next electricity generation technology in a carbon constrained future For commercial scale application of the CLC process the availability of cost effective oxygen carriers OCs with stable performance is imperative Given the

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  • Studying ilmenite dissolution using mechanical activation

    2021 11 4 Abstract In this work the effects of temperature acid concentration and mechanical activation In this work the ilmenite concentrate was acquired from the Qara Aghaj flotation pilot plant The Qara Aghaj ore is an in situ and rock type ilmenite deposit and unlike the placer

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  • Enhancement Reduction of Panzhihua Ilmenite

    Abstract The particle size and metallization ratio of iron in reduced ilmenite have an important function in separating the metal from TiO 2 ‐rich slag in the electric arc furnace process In this study an ilmenite concentrate supplied by Panzhihua Iron and Steel Group Co was reduced at 1380 C in an electric resistance furnace

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  • HAI PENG GOU PREPARATION OF TITANIUM CARBIDE

    2017 4 18 Abstract A new process of producing titanium carbide powder from ilmenite concentrate was put forward The ilmenite concentrate was reduced by graphite powder at 1500 C for 6 h with the reduction products of TiC Fe and MgO The porous reduction products were agitation leached in ferric chloride solution at 25 C for MgAl 2 O 4 and Mg 2 SiO 4

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  • MICROWAVE ASSISTED DISSOLUTION OF SRI LANKAN

    2017 6 1 The titanium and iron content of the ilmenite concentrate were analyzed and it was found that the titanium and iron assays were 37 9 63 3 TiO 2 and 24 7 respectively According to the particle size analysis data a maximum of 51 0 by weight of the ilmenite concentrate was found in the particle size range of 90 125 microns

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  • Production of Nanosized Synthetic Rutile from Ilmenite

    2021 10 16 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

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  • Carbothermal reduction and nitridation of ilmenite

    Carbothermal reduction and nitridation of ilmenite concentrates of different grades and synthetic rutile were studied in isothermal experiments in hydrogen nitrogen gas atmosphere and pure nitrogen in a tube reactor Concentrations of CO and CO2 in the off gas were measured online using infrared gas analyser The reaction products were analysed by X ray diffraction

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  • Investigation of a Canadian Ilmenite as an Oxygen Carrier

    2021 3 12 The use of chemical looping combustion CLC for power generation is an advanced energy technology that can capture CO2 inherently which could prove to be the next electricity generation technology in a carbon constrained future For commercial scale application of the CLC process the availability of cost effective oxygen carriers OCs with stable performance is imperative Given the

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  • Carbothermic reduction of ilmenite concentrate in semi

    A high efficiency semi molten state reduction of ilmenite concentrate is obtained Abstract The electric arc furnace EAF smelting process which produces titanium slag is the most popular method for utilizing Panzhihua ilmenite concentrate

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  • USA

    A process for upgrading an ilmenite concentrate by agglomerating the ilmenite fraction and removing gangue materials such as complex silicates in an aqueous phase An aqueous dispersion of the concentrate suitably ground to about 60 minus 400 mesh is formed the pH is adjusted in the range of 45 5 5 10 lbs /ton of a conditioner such as oleic acid is added followed by 100 200 lbs /ton of

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  • Review of processing conditions for Murray Basin ilmenite

    Ilmenite and its upgraded products from Murray Basin In the sulphate process the ground titaniferous deposits will need to meet these requirements in order to feedstock either as a primary ilmenite concentrate be marketable as a feedstock to a titania pigment plant 45–55 wt TiO2 or granulated slag fines 70–80 wt Thus the

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  • Table II from An overview of the Namakwa Sands 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 concentrate supplied by Panzhihua Iron and Expand 26 View 1 excerpt cites background Save Alert Research Feed Prereduction and DC open arc smelting of carbon based ilmenite pellets

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  • Carbothermal reduction and nitridation of ilmenite

    ilmenite concentrates and synthetic rutile in hydrogen containing gas was significantly faster than in pure nitrogen The rate of conversion of titania to titanium oxycarbonitride in the 50 vol H2 50 vol N2 gas mixture decreased with increasing grade of ilmenite concentrate In nitrogen reduction of synthetic rutile

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  • Direct Electro deoxidation of Ilmenite Concentrate to

    2014 8 1 Abstract In order to prepare FeTi alloy using ilmenite concentrate in molten salt by electrolytic method the electrochemical deoxidation process was studied by cyclic voltammetry and AC impedance spectroscopy The electrolytic experiments at different time verified the electrochemical behavior It is shown that the electrodeoxidation process for ilmenite concentrate mainly consists of two

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  • Mineralogy physical characterization and magnetic

    Mineralogy physical characterization and magnetic separation performance were investigated for purification of a raw ilmenite concentrate With the aid of mineral liberation analyzer MLA and optical microscope it was found that 1 most of heavy minerals were distributed in the narrow size fraction 2 clays and Ti bearing magnetite needed to be separated prior to magnetic separation 3

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  • Optimization of Ilmenite Dissolution by Synergistic Effect

    This study was carried out to investigate the interaction of oxalic acid with hydrochloric acid to attain the better performance for iron dissolution in comparison to absence of oxalic acid The effects of oxalic acid on ratio of hydrochloric acid acid concentration ratio of liquid to solid temperature and dissolution time are investigated for the dissolution of Fe and Ti from ilmenite to

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  • HAI PENG GOU PREPARATION OF TITANIUM CARBIDE

    2017 4 18 Abstract A new process of producing titanium carbide powder from ilmenite concentrate was put forward The ilmenite concentrate was reduced by graphite powder at 1500 C for 6 h with the reduction products of TiC Fe and MgO The porous reduction products were agitation leached in ferric chloride solution at 25 C for MgAl 2 O 4 and Mg 2 SiO 4

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  • Enhanced separation for ilmenite tailings with a novel

    2020 1 4 China is rich in titanium resources which accounts for more than 35 of the world But until today the industrial TiO 2 recovery for ilmenite ore is slightly higher than 30 in the current pulsating high gradient magnetic separation flotation process HGMS so that a large amount of ilmenite value were lost in tailings A centrifugal HGMS CHGMS method was introduced and a novel HGMS

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  • NEAR LAKE SANFORD ESSEX COUNTY NEW YORK

    2011 9 29 magnetite concentrate containing 60 percent Fe 9 percent TiOg and 0 7 percent VgOs Titanium pigment is produced from the ilmenite concentrate by the National Lead Co and the magnetic concentrate is sold to the Bethlehem Steel Co for the production of vanadium and iron The presence of vanadium In this ore was first mentioned

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  • Carbothermal reduction of a primary ilmenite concentrate

    The carbothermal reduction of a primary ilmenite concentrate was studied in hydrogen argon and helium Ilmenite and graphite were uniformly mixed and pressed into pellets Reduction was studied in isothermal and temperature programmed reduction experiments in a tube reactor with continuously flowing gas CO CO2 and CH4 contents in the off gas were measured online using infrared sensors

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  • c f S± Jf t

    2013 8 7 ABSTRACT The ilmenite beach placer at Pulmoddai on the northeast coast of Ceylon about 35 miles northwest of Trincomalee has been mined by the Ceylon Mineral Sands Corporation since 1958 when 2000 tons of ilmenite concentrate was exported The Corporation an enterprise of the Government of Ceylon produced between 4 220 and 82 851 metric tons

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  • 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 concentrates were pre oxidized at 600 700 800

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  • Briquetting of Egyptian Ilmenite Ore with Different

    2014 9 2 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

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  • Carbothermal Reduction of a Primary Ilmenite Concentrate

    2009 9 29 The carbothermal reduction of a primary ilmenite concentrate was studied in hydrogen argon and helium Ilmenite and graphite were uniformly mixed and pressed into pellets Reduction was studied in isothermal and temperature programmed reduction experiments in a tube reactor with continuously flowing gas CO CO2 and CH4 contents in the off gas were measured online using

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  • 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

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  • PDF Hydrochloric acid leaching of a pre reduced

    Hydrometallurgy 56 Ž2000 203–216 elsevier rlocaterhydromet Hydrochloric acid leaching of a pre reduced Brazilian ilmenite concentrate in an autoclave Tsuneharu Ogasawara a Ramon Veras Veloso de Araujo ´ b a ˜ Metallurgical and Materials Engineering COPPEr UFRJ PEMM P O Box 68505 Ilha do Fundao ZIP CODE 21945 970 Rio de Janeiro RJ Brazil b CETEMr CNPq Rio de

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  • The Role of Preheating in the Kinetics of Reduction of

    2013 7 18 Abstract An ilmenite concentrate was heat treated in argon for 1 2 5 5 and 10 hours at 1000 C The heat treated samples were reduced with coal isothermally at 1000 and 1050 C and the reduction paths were determined using thermogravimetry X ray diffraction and optical microscopy were used to identify the phases before and after heat

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  • Effect of Na 2 B 4 O 7 Addition on Carbothermic Reduction

    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

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  • The Role of Preheating in the Kinetics of Reduction of

    2013 7 18 Abstract An ilmenite concentrate was heat treated in argon for 1 2 5 5 and 10 hours at 1000 C The heat treated samples were reduced with coal isothermally at 1000 and 1050 C and the reduction paths were determined using thermogravimetry X ray diffraction and optical microscopy were used to identify the phases before and after heat

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  • List of Abstracts

    2019 4 1 The challenge of ilmenite smelting reality or myth Ex Mente Techonologies University of Pretoria South Africa Africa Comparative studies on leaching of South African ilmenite concentrate by hydrochloric acid solution in the presence of additives List of Abstracts HEAVY MINERALS CONFERENCE 5 –6 August 2019

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  • PDF Studying the Pelletization of Rosseta Ilmenite

    Abstract Titanomagnetite concentrate pellets in this investigation were produced by using 2 5 molasses as binder with 8 5 water from the total weight of the charge and dried for 48 hours

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  • Table II from An overview of the Namakwa Sands 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 concentrate supplied by Panzhihua Iron and Expand 26 View 1 excerpt cites background Save Alert Research Feed Prereduction and DC open arc smelting of carbon based ilmenite pellets

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  • ba sampres comprise mixtures or the phase 1 3il

    2007 8 28 Abstract Magnetic fractions of a commercial ilmenite concentrate from a near surface deposit in Western Australia have been analyzed by quantitative X ray diffraction and automated electron microprobe techniques Phase distributions composition histograms and variation

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  • Oxidation kinetics of ilmenite concentrate by non

    2016 7 6 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

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  • PDF Hydrochloric acid leaching of a pre reduced

    Prior to pre reduction the ilmenite concentrate was submitted to an oxidative calcination in air Ž0 l81 standard dm3 miny1 flow rate at a temperature of 8208C for 2 h residence time at this temperature then the ilmenite concentrate was subjected to a standard 2 25 dm3 miny1 flow rate of pure H 2 for 2 h at a temperature of 8008C followed

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  • PDF Microwave reduction of placer ilmenite concentrate

    Microwave reduction of placer ilmenite concentrate Satya Sai Srikant P S Mukherjee and R Bhima Rao S R M University Delhi NCR Campus 201204 India Show full abstract

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  • Review of processing conditions for Murray Basin ilmenite

    Ilmenite and its upgraded products from Murray Basin In the sulphate process the ground titaniferous deposits will need to meet these requirements in order to feedstock either as a primary ilmenite concentrate be marketable as a feedstock to a titania pigment plant 45–55 wt TiO2 or granulated slag fines 70–80 wt Thus the

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