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·Fig 1 is the experimental results obtained by adding 10 g low grade ilmenite concentrate into the molten salt containing 12 g NaNO 3 and 28 g NaOH to make it transformed at 380 °C under stirring in a 50 mL iron crucible After transforming for scheduled time the liquid of molten salt was drained from the crucible as soon as possible Then the transformed
·The main phase of ilmenite concentrate consists of ilmenite magnetite and magnetite titanium ore [23] The vacuum carbothermic reduction of Panzhihua ilmenite concentrate was calculated using software by the module of reaction and equilibrium after of which the content of gas phases could be obtained including the
·Ilmenite concentrate obtained from Panzhihua Iron & Steel Group Co Ltd of China was used as the raw material Table 1 shows the main chemical composition of ilmenite The TiO 2 content is only % while the total content of MgO and CaO is as high as % Industrial argon vol% and liquid ammonia vol% produced by Chongqing
·Section snippets Experimental The raw ilmenite concentrate used in this study was the same as that used in a previous publication [38] Ilmenite concentrate powder with a TiO 2 content of wt% was provided by Panzhihua Iron and Steel Group Co Ltd Pre oxidized ilmenite concentrate was prepared by oxidizing raw ilmenite concentrate in a muffle furnace
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Iron based oxygen carriers in chemical looping conversions A review Zhongliang Yu Guoqing Guan in Carbon Resources Conversion 2019 Ilmenite Ilmenite is the iron titanium oxide mineral with an idealized composition of FeTiO 3 FeO·TiO 2 which is usually used as the main source of Titanium researchers from Chalmers University of Technology
·The ilmenite concentrate used in this plant is a natural weathered beach sand with the main phases of pseudobrookite and ilmenite The chemical compositions of ilmenite concentrate and reduced ilmenite are reported in Table 1 All the other reagents used for leaching and chemical analysis were of analytical grade and of purity greater than %
·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
·ilmenite quartz composition and with respect to grain size composition this low clay medium and fine grained sands Ilmenite concentrate and a collective rutile zircon quartz intermediate product are prepared by gravitation magnetic ore enrich ment The average chemical composition of ilmenite concentrate is as follows wt % TiO
·A weathered ilmenite concentrate sample in the form of pow der was supplied by TiZir Titanium and Iron Company Tyssedal Norway The chemical composition of the re ceived ilmenite concentrate is given in Table 1 The average μm andD 10 D 50 andD 90 are equal to μm μm and μm respectively
High quality upgraded titanium slag obtained through semi molten reduction with the addition of Na 2 CO 3 is important for the fluidizing chlorination process to produce TiO 2 pigments The key is the effect of Na 2 CO 3 on the reduction behavior of iron Therefore the effects of Na 2 CO 3 on reduction mechanism and kinetics of iron during deep reduction of ilmenite concentrate were
These are the sulphate process and the chloride process In the sulphate process the ground titaniferous feedstock either as a primary ilmenite concentrate 45 55 wt % TiO2 or granulated slag fines 70 80 wt % TiO2 is dissolved in 85 92% sulphuric acid at 150 180uC in a batch or continuous operation
·Ilmenite is an important mineral resource containing Fe and Ti and titanium concentrate can be obtained after beneficiation Through the preparation of titanium concentrate oxidized pellets gas based shaft furnace reduction experiments and melting and separation experiments the phase changes during the roasting process of titanium concentrate oxidized
·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 consumption and carbon dioxide mitigation The hydrogen based gaseous reduction of primary ilmenite concentrate was investigated at temperatures between
·This article presents the results of a thermodynamic analysis of the oxidation soda conversion reactions of minerals in ilmenite concentrates in the temperature range of 373 2273 K The thermodynamic parameters of pseudorutile pseudobrukite and the new minerals zhikinite and spessartine were calculated for the first time It has been established
Targeted ilmenite concentrate production by 2028 >15 Years Mine production life based on production capacity planning and mineral resources defined 11 538 km2 Total project footprint 3 Mining Licenses MLs 17 Exploration Licenses ELs and 14
·The ilmenite concentrate was obtained from Panzhihua Iron & Steel Group Co Ltd China Table 1 shows the main chemical composition of ilmenite The TiO 2 content is only % while the total MgO and CaO content is as high as % Liquid NH 3 vol% produced by Chongqing Ruike Gas Co Ltd was used as a reductant after gasification
·The river basin ilmenite concentrate is low grade and contains % TiO2 and % Fe2O3t composed of ilmenite hemo ilmenite ilmeno hematite and some locked grains of gangue minerals The titanium product prepared from river basin ilmenite by direct hydrometallurgical processing showed % TiO2 % Fe2O3t and % other oxides
·In this study the reduction kinetics of ilmenite concentrate from a domestic mine Kahnuj Kerman Iran in pure hydrogen in the temperature range of 500 °C to 1100 °C was investigated From the non isothermal reduction results corresponding kinetic parameters for the as received and pre oxidized concentrates were calculated using the Coats Redfern method
·The Ti 4 and Ti 4 binding energies of the ilmenite concentrate obtained using the MOH collector shift by and eV in the Ti 2p 3/2 spectrum respectively while they shift by and 0
·In Brazil heavy mineral sand deposits are still barely exploited despite some references to Brazilian reserves and ilmenite concentrate production
·The ilmenite concentrate with a TiO 2 content of wt % was obtained from the beneficiation of the Panzhihua Ti V magnetite ore Pangang Group Mining Co Ltd China The corresponding composition and particle SYH 5 Changzhou Yineng drying equipment Co Ltd China Then 4 wt % PVA binder was added to the mixture After
