An AEM study of garnet clinopyroxenite from the Sulu
Two samples were selected in the present study. Sample 2HJ-2C is a garnet clinopyroxenite with porphyroblastic clinopyroxenes (Fig. 2a). It is mainly composed of garnet (30%), clinopyroxene (60%) and ilmenite/magnetite (~5%) with minor amounts of spinel and chlorite, similar to the sample RZ-11C studied by Zhang and Liou ().Clinopyroxene and garnet …
A Novel Process for Preparing High-Strength Pellets of …
In the present study, a novel process to prepare high-strength pellets of high-calcium, high-magnesium ilmenite concentrate was investigated. Magnetite concentrate and …
An innovative process for recovery of ilmenite using mineral …
Panxi area is the largest ilmenite processing base in China, and titanium resources account for more than 90 % of the country [9]. ... Thus, the ilmenite was transformed into magnetite-ilmenite intergrowth particles with strong magnetism. The effects of oxidation and reduction conditions on the magnetic separation index were studied, and the ...
Magnetic properties of ilmenite, hematite and oilsand minerals …
Ilmenite (TiO 2 · FeO) and hematite (Fe 2 O 3) minerals were used in the tests, together with a rutile concentrate produced previously from the oil sands tailings by Lakefield Research Ltd.The latter will be referred to as LR Rutile in this paper. The ilmenite and hematite, originating from St. Urbain, Quebec (Canada) and Hoyt Lake, Michigan (USA), respectively, …
Original Research PaperAn innovative process for recovery of ilmenite using mineral phase transformation followed by …
Ten metric tons of Longnose ilmenite sample was beneficiated using gravity and magnetic separation to produce an ilmenite concentrate for hydrometallurgical testing. The beneficiation …
MagMin_PT: An Excel-based mineral classification …
Graphical and numerical outputs produced by the program can be easily copied to other media for further processing. Keywords. MagMin_PT geology and mineralogy rock-forming ... This thermobarometry is not included …
Processing of valuable vein-minerals, as molybdenite, …
The process developed for the vein-ore is a serie of mineral dressing methods (raw material preparation, molybdenite and ilmenite concentration) which comprises the following operations ...
Titaniferous Magnetite Processing for Vanadium …
influence the process route selected and the metallurgical outcomes. Characterisation of the ores reveals the presence of magnetite, ilmenite and other minerals such as spinel hematite and goethite with variable degrees of weathering along with weathered products of host rock. The standard processing route is to
Processing of valuable vein-minerals, as molybdenite, …
Monazite, molybdenite, ilmenite, magnetite and pyrite processing When we elaborated the processing technology we had in mind some facts which are specific to Ditrau ore: the characteristic technology, the mineralogical associations, the size-distribution of the individual minerals (grains of monazite up to 0.25 mm) (Craiescu, 1985), etc. In ...
Optimized magnetic separation for efficient recovery of V …
As shown in the microstructure images of Fig. 1 and S4, in the VTM ore, the ilmenite mineral particles mainly exist in the form of a net and/or a sandwich structure within the magnetite mineral particles. As ilmenite is broken down first in the initial grinding during the milling process, relatively coarse magnetite particles remain; therefore ...
An innovative process for recovery of ilmenite using mineral …
In this paper, the mineral phase transformation technology was proposed to strengthen the surface magnetism of fine ilmenite. The results demonstrated that in the …
An innovative process for recovery of ilmenite using mineral …
Panxi area is the largest ilmenite processing base in China, ... Thus, the ilmenite was transformed into magnetite-ilmenite intergrowth particles with strong magnetism. The effects of oxidation and reduction conditions on the magnetic separation index were studied, and the mineral phase transformation, microstructure and magnetic properties of ...
Innovative pre-concentration technology for recovering …
To achieve the utilization of the abandoned ultrafine ilmenite (−20 μm) produced in the titanium magnetite processing plant in Panzhihua, the superconducting high-gradient …
Geology and Mineralization | Australian Ilmenite …
Regolith contains Pisolitic Soil and Black Soil that bear 5%-6% ilmenite. Magnetite is confirmed to present with our initial screening work. ... Heavy mineral dominated by ilmenite, with minor magnetite . Simple separation process. …
Methods of Extracting TiO2 and Other Related …
Although ilmenite and rutile are extensively used to extract TiO2 at the industrial level, through the sulphate and chloride processes, they can also be recognized to possess the potential to be employed as the raw material to …
(PDF) Smelting of Magnetite and Magnetite …
Subhedral ilmenite crystals showing strong bireflectance from medium to very dark grey are surrounded by heavily weathered magnetite (light grey) containing lamellae and irregular patches of ...
Separation Analysis of New Magnetic Separator for Pre
To achieve the utilization of fine ilmenite (especially −0.075 mm) produced in the titanium-magnetite processing plant in Panzhihua, a radial turbulent outer-cylinder magnetic separator (RTOCMS), was developed in this study. After optimizing the conditions of rotation speed and water flow, an RTOCMS concentrate with TiO2 grade of 22.84% and TiO2 recovery …
Effect of magnetite addition to ilmenite on hydrogen-rich …
In this study, the oxidation powder sample of ilmenite concentrate with 15% magnetite concentrate was prepared, and the subsequent isothermal reduction was investigated at temperatures in the range of 950–1050 °C with CO, H 2, and their mixtures.The hydrogen-rich atmosphere, magnetite effect, apparent activation energy, and micromorphology of the …
A method of tracing the temperature and oxygen …
Ilmenite-magnetite grain (specimen BA 879) from the Freetown layered gabbro. The granular ilmenite (right) is homogeneous except at the margins and contains tapering hematite lamellae.
Smelting of magnetite and magnetite-ilmenite iron ores in …
Smelting of magnetite and magnetite-ilmenite iron ores in the northern Lowveld, South Africa, ca. 1000 CE to ca. 1880 CE. David Killick, Duncan Miller. ... but in the bloomery process TiO 2 combines with iron oxides and silica to produce highly fluid slags that separate cleanly from iron metal. This allowed ancient ironworkers to process a much ...
(PDF) Mineralogy and Origin of Exsolution In Ti-Rich Magnetite …
BSE images of exsolution in Ti-rich magnetite from different magmatic intrusions. (a) Granule and thick ilmenite lamellae (Ilmenite B ) and pleonaste (Pleonaste B ) particles in the host magnetite ...
A discussion of magnetic separation techniques for …
Typical ilmenite process flowsheet Figures 2a and 2b show basic examples of flowsheets for ilmenite processing including wet and dry magnetic separation. ... abundant magnetite and ilmenite components; however, ilmenite recovery was problematic, hovering in the 17–20% range, because sufficient technology for recovery of the ...
Innovative pre-concentration technology for recovering ultrafine
However, it is worth noting that the ilmenite and titanium magnetite are symbiotic and ilmenite recovering is after the circuit of titanium magnetite recovering [4], [5]. Therefore, the released ilmenite is overground during the grinding process, which produced large amounts of ultrafine ilmenite (−20 μm).
Possibilities of two-stage processing of titaniferous magnetite ore
Titanomagnetite and ilmenite ores are promising raw materials for the extraction of iron, titanium and vanadium. It is shown that the two-stage method of processing is the most effective in terms ...
Ilmenite: An ore of titanium | Uses and Properties
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 …
Possibilities of TwoStage Processing of Titaniferous …
and ilmenite concentrates produced from the titaniferous magnetite ores of Southern Ural deposits are pre sented. The processing includes solidphase reduction of iron and separation melting of the ...
High-temperature creep of magnetite and ilmenite single …
We performed deformation experiments on dry natural single crystals of magnetite and ilmenite to determine the rheological behavior of these oxide minerals as a function of temperature, orientation, and oxygen fugacity. Samples were deformed at temperatures of 825–1150 $$,^{circ }$$ ∘ C to axial strains of up to 15–24% under approximately constant …
Extraction of vanadium from titanoferrous magnetite: mineral processing
The crystallization of magnetite and ilmenite is generally late but varies depending on the rock mass. The magnetite crystals in China's V-bearing titanoferrous magnetite deposits were formed later than pyroxene and plagioclase and have the structural features of late magmatic sedimentary deposit and vein-like intrusions. ... The process flow ...
Process Mineralogy of Vanadium Titanomagnetite Ore in …
After decades of development of the vanadium titanomagnetite (VTM) ore in the Panzhihua district changes have taken place to the ore characteristics. In addition, preliminary research carried out in this area mainly focused on the separation and extraction of iron resources and lacked a systematic research focus on the process mineralogy of ilmenite, resulting in a …
Solid-Phase Transformations of Titanomagnetite and …
Due to solid-phase transformations, martitized titanomagnetite (with ilmenite lamellae) changes completely with the formation of pseudobrookite–hematite …