What is Ilmenite? Ilmenite is a common accessory mineral in igneous rocks, sediments, and sedimentary rocks in many parts of the world. Apollo astronauts found abundant ilmenite in lunar rocks and the lunar regolith. Ilmenite is a black iron-titanium oxide with a chemical composition of FeTiO 3.. Ilmenite is the primary ore of titanium, a metal needed to make a variety of high …
With 55.51% iron and 7.86% TiO 2, the ore is low-titanium beach titanomagnetite (TiO 2 < 8%) [17]. Fig. 1 indicates that it contained titanomagnetite, ilmenite, and pyroxene. ... Thus, the separation effect of titanium and iron increased as the temperature increased. Considering energy consumption and the product indices, 1350 °C is considered ...
The sintering basic characteristics of iron ore play a key role in the process of sintering. In this study, the effects of B2O3 on the assimilation characteristics, softening temperature, fluidity ...
Coke breeze is the main heat source in sintering process. Its combustion yields enough amounts of heat which melts the sinter mix. One of the factors that significantly affect the course of coke breeze combustion is its grain size [1,2,3].It is known that fine-grained coke reduces permeability of the sinter mix and the use of coke breeze with particle size below 1 …
The iron ore contained are mainly magnetite and hematite, and main binding minerals are fayalite (2FeO•SiO 2) and kirschsteinite (CaO•FeO•SiO 2). ... The low content of titanium has little effect on the slags and smelting process. But when the content is high, it will thicken slag and cause poor fluidity, which has a great influence on ...
Low-grade vanadiferous titanomagnetite ore (LVTM) is as an important mineral resource for sintering ore manufacturing. Furthermore, TiO2 has a significant effect on the sintering process of iron ...
Chromium-bearing vanadium–titanium magnetite (CVTM) iron ore containing Fe, Ti, Cr, and V is a special and valuable iron ore as known by the exploitation of vanadium–titanium magnetite (VTM), ilmenite, and …
In order to reasonably utilize the abundant resources of high-phosphorus iron ore and ilmenite in China, the technology of top-blown smelting reduction with oxygen enrichment was used to smelt the mixed ore of high-phosphorus iron and ilmenite. The effect, which is related to basicity, reduction temperature, carbon-oxygen ratio and time of ventilated oxygen to iron …
Upgraded titanium slag (UGS) is one of the fundamental products of the carbothermal reduction of titanium ore such as ilmenite. Natural rutile and synthetic rutile are also included in this raw material category. ... An …
A water cooling treatment was applied in the coal-based reduction of high-chromium vanadium and titanium (V–Ti–Cr) iron ore from the Hongge region of Panzhihua, China. Its effects on the metallization ratio (η), S removal ratio (R S), and P removal ratio (R P) were studied and analyzed on the basis of chemical composition determined via inductively …
The results showed that the synergistic effect of iron ore and coal during coking mainly occurred during the later reaction stage (850–1100 °C) and smaller particle sizes of iron ore have a ...
As the main titanium-bearing minerals in the bauxite ore residue were titanomagnetite, kassite, and sodium tri-titanate (Fig. 2), magnetic separation process can be conducted to recover iron and titanium due to the magnetic character of titanomagnetite, and the remaining titanium could be further recovered from non-magnetic fraction by sulfuric ...
These are not conducive to the treatment and utilization of VTMT on a large scale. Thus, it is preferred to extract further valuable metals such as iron, titanium, vanadium, and scandium from the ...
As an important iron ore resource, vanadium–titanium magnetite is the main raw material for the preparation of vanadium, titanium and their oxides and has a high utilization value. [1,2,3,4] There are many technologies for the utilization of vanadium–titanium magnetite. Blast furnace-converter process is relatively mature, but there are ...
The effect of Ti-oxide on the sintering behaviour of iron ore has been studied by doping pure TiO 2 to a sinter blend in laboratory tests. The results showed a considerable effect of TiO 2 on …
Because of the limited primary natural mineral resources, most of the factories adopt the method of adding carbon chlorination to treat titanium slag (mainly composed of TiO 2) or rutile at present, and chlorine gas as chlorination agent, petroleum coke or other carbon as the reducing agent, titanium tetrachloride is produced in a fluidized bed ...
The effect of temperature on titanium and iron leaching has been studied in the range of 110–150 °C. Leaching of iron was found to increase with increasing temperature up to 140 °C and levelled off thereafter. ... Optimal acid/ore ratio for ilmenite leaching was determined to be 2:1 (w/w) at an optimal reaction time of 3 h. Generation of a ...
With respect to high efficient utilization of low-grade iron ore resource, the behavior of low-temperature "973 K to 1123 K (700 °C to 850 °C)" oxidation, on the phase transition of SA TTM ore (South African titanomagnetite), and its effect on subsequent reduction was investigated. The results showed that hematite and rutile are the oxidation product below …
Vanadium and titanium magnetite (V–Ti) ore has a very high comprehensive utilization value due to its high-content vanadium, titanium, iron, etc. In addition, V–Ti ore as a major source of vanadium is found in various countries, such as Australia, China, Russia, and South Africa (Moskalyk and Alfantazi, 2003, Deng et al., 2012, Yu, 2004).
Ilmenite, iron-black, heavy, metallic oxide mineral, composed of iron and titanium oxide (FeTiO3), that is used as the major source of titanium. It forms solid-solution series with geikielite and pyrophanite in which magnesium and manganese, respectively, replace iron in the crystal structure. ... Smaller quantities are present in copper-ore ...
The effect of titanium oxide on iron ore agglomerates is studied by the use of test sinter, test pellets and synthetic briquettes under laboratory conditions. Titanium favours …
A series of reduction experiments of iron ore pellets with hydrogen, carbon monoxide and their mixture were carried out in a laboratory scale shaft furnace. The sticking behavior accompanying reduction of iron ore pellets was investigated. And morphology of the sticking interface forming during reduction was analyzed by SEM equipped with EDS. In order …
The effects of Ti on the crystallisation during cooling of complex Ca-rich ferrite iron ore sinter bonding phases SFCA and Fe-rich SFCA was investigated using in situ synchrotron X-ray diffraction.
Low-grade vanadiferous titanomagnetite ore (LVTM) is as an important mineral resource for sintering ore manufacturing. Furthermore, TiO 2 has a significant effect on the …
Vanadiferous titanomagnetite (VTM) ore is an important natural multi-mineral co-associated magnetic material [1, 2].It is a mixture ore composed of several valuable mineral phases, like titanomagnetite, magnetite, ilmenite, coulsonite, hematite, rutile, quartz, etc. [3,4,5,6].Recently, a large number of low-grade vanadiferous titanomagnetite with high …
Almost 2.5 billion tons of iron ore were mined in 2020, making iron ore central to the world economy. 1 In fact, mining analysts have stated that iron ore is "more integral to the global economy than any other commodity, except perhaps oil." 2 Vanta pXRF analyzers can quantify iron concentrations in ores and deposits in the field. This ...
The effect of titanium oxide on iron ore agglomerates is studied by the use of test sinter, test pellets and synthetic briquettes under laboratory conditions.
Low-grade vanadiferous titanomagnetite ore (LVTM) is as an important mineral resource for sintering ore manufacturing. Furthermore, TiO2 has a significant effect on the sintering process of...
Reduction of chromium-bearing vanadium–titanium sinter (CVTS) was studied under simulated conditions of a blast furnace, and thermodynamics and kinetics were theoretically analyzed. Reduction kinetics of CVTS at different temperatures was evaluated using a shrinking unreacted core model. The microstructure, mineral phase, and variation of the sinter during …
The titanium oxide content of haematite had a clear effect on reduction degradation of the samples. Furthermore, increasing titanium oxide content in solid solution in magnetite radically …
hand, a considerable effect of titanium oxide on mineralogy, and consequently on strength, of sinter is expected.11) How- ... The iron ore used in this study was a high-grade hematite fine ore with chemical composition presented in Table 1. This ore was oven dried at …
