0086-21-58386256
Ilmenite belongs to weakly magnetic minerals. Under strong magnetic fields, it will separate ilmenite and gangue minerals. Ilmenite is hard to enrich during gravity separation and is re-enriched in this process. Therefore, magnetic separation is an important method in the selection and tailings disposal process.
In this study, a novel method termed high gradient magnetic separation coupling with magnetic fluid (HGMSCMF) was developed to recovery ilmenite in Panzhihua. …
DE4192187T1 - Process for the separation of the ilmenite - Google Patents Process for the separation of the ilmenite Info Publication number DE4192187T1 ... ilmenite separation Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no ...
Nature and ilmenite beneficiation process. Titanium is an important and vital structures with extensive use of metal, titanium titanium because of its high strength, good corrosion resistance, and high heat resistance, is widely used in various fields. ... Its beneficiation process are: "To re-elect - strong magnetic separation - flotation" and ...
This paper presents a suitable method to separate ilmenite from an ilmenite/rutile mixture obtained from beach sand. Magnetic separators are used to separate nonmagnetic and magnetic materials.
A depressant is essential to the effective flotation-based separation of ilmenite and forsterite, based on their comparable physicochemical characteristics. In this work, dextran sodium sulfate (DSS) was initially introduced as a depressant, to aid in the separation of ilmenite and forsterite. Comparing the DSS to conventional natural starch, the results indicate that the …
The separation process of particle size ilmenite includes conventional flotation, flocculation flotation, agglomeration flotation, etc. 1. Conventional flotation method. Commonly used collectors include oleic acid and its soaps, oxidized paraffin soap, tar oil and new collectors, such as TAO, R -2, H1717, ZY, RST, TOB, etc. Among them, oleic ...
Therefore, a novel process with low energy consumption is necessary for producing ultra-grade slag (UGS) for chlorination. For low-grade ilmenite, semi-molten reduction and magnetic separation were suggested in this study. The effects of carbon content, reduction time, and Na2CO3 addition on the reduction and separation behavior were studied.
The gravity separation + flotation method is very effective for ilmenite with low raw ore taste, and can also screen out sulphur from ilmenite and improve the resource utilisation of ilmenite ...
In the beneficiation process of beach sand, ilmenite is removed by LIMS separation, and monazite is upgraded by HIMS separation. In the evaluation and feasibility verification of a placer deposit in North Korea, magnetic separation with different magnetic field strengths was used to selectively recover monazite/xenotime (magnetic field strength ...
It is founded that the mathematical model and simulation results are basically validated by the experimental separation process, and the TiO2 grade can be effectively upgraded from 5.2% to 11.5% with the rinsing water …
As examples, the ilmenite tailings case study presented in this paper shows how advances in technology have allowed for increased recovery of -45 μm ilmenite by utilizing a multi-stage …
The present work aims to investigate the link between the oxidation and reduction of a weathered ilmenite concentrate in terms of phase transitions, microstructural changes, and …
The progress of ilmenite flotation research The theoretical content of TiO2 of ilmenite (FeTiO3) is 52.63%, which is the main mineral for extracting titanium and titanium dioxide. The industrially developed primary ilmenite is a …
The results showed that forsterite sizes of −45+25 and −25+19 μm had no effect on the ilmenite floatability, whereas −19 μm forsterite significantly reduced ilmenite floatability.
Ilmenite is an important titanium resource ore, widely present around the world. The development and utilization of ilmenite is crucial for the effective utilization of titanium resources and the development of related industries. The effective process and equipment application for the beneficiation of ilmenite is the key to ensuring the purification of ore and the extraction of …
The general beneficiation process of ilmenite and zirconium ore. . ... counter-pole type, etc., in the dry separation process usually first use weak magnetic separation to separate strong magnetic minerals-magnetite, and then use a medium magnetic field to select most of the strong and easy-to-select titanium Iron ore products. ...
The magnetic separation in the ilmenite process can effectively reduce gangue content, improve ilmenite grade, and provide high-quality flotation feeding. We use the x-ray diffraction analysis and laser particle size analysis to reveal the changes in mineral composite and particle size of concentrate prepared by different PHGMS operation ...
a process for the separation of ilmenite from raw sand,or mineral concentrates thereof which includes the steps of, in sequence: - a specific gravity separation stage; the cooling stage is performed gradually, for example over a period of one and a half hours to cool the roasted ore to ambient temperature.
02 Ilmenite magnetic mineral separation process. Ilmenite is a weakly magnetic mineral and has greater magnetization under the same volume and size. When magnetic separation is performed, if the magnetic field strength is not enough, some useful minerals will be thrown away, thereby reducing the utilization rate of the minerals. ...
In the new process, the CHGMS separator concentrated ilmenites at high selectivity and produced a high-grade ilmenite concentrate fed to flotation cleaning process, …
This article aimed to separate ilmenite (FeTiO3) mineral from tin tailing applying a single splitter IRMS (Induced Roll Magnetic Separator). Ilmenite mineral is the substantial main source for TiO2. This work used air table middling for feeding. The
Sodium trans-2-nonene hydroxamate (NaTNA), a derivative of hydroxamic acid, was successfully synthesized as an effective collector for the flotation separation of ilmenite and forsterite.Micro-flotation results showed that NaTNA exhibits a superior flotation performance for ilmenite compared to sodium oleate. To elucidate the flotation process, the zeta potential, …
The separation process was performed by adjusting the pH of the solution and adding rutile as well as iron scrap seeds . However, the flowsheet was long and the reaction mechanism was not involved in the roasting process. Panzhihua ilmenite was roasted using ammonium sulfate in an N 2 atmosphere in two steps: ...
、Single flotation or magnetic separation process. For the ilmenite ore with fine embedded particle size, the ilmenite concentrate can be obtained directly by flotation method after grinding and iron separation, or firstly use a wet strong magnetic separator as roughing equipment, and then the magnetic separation concentrate can be used to recover titanium by …
Mineral Ores: The alluvial beach sand's main metal minerals are zirconium fluorite, rutile, ilmenite magnetite, and hematite; the main gangue minerals are quartz, feldspar, and mica. The mine adopts a strong magnetic-electric separation process because the magnetite has been removed during the gravity separation process, and the ilmenite has the strongest magnetism among …
In order to investigate the loss mechanism of fine-grained ilmenite during magnetic separation process of the titanium beneficiation plant in Panxi region, four sizes fractions of ilmenite and titanaugite minerals were prepared.It was shown that with the increase of applied magnetic field strength, the magnetic susceptibilities of each ilmenite fractions converged from …
4. Electric-separation method is mainly to deal with the coarse concentrate containing titanium pyroxene and other non-conductive impurities produced by gravity separation and magnetic separation. It is widely used in the selection process, and the electro-separation method has requirements on the particle size of ilmenite. The lower limit is 0.04mm, and …
In this study, a superconducting magnetic separator (SMS) was proposed to preconcentrate the ultrafine ilmenite. During this process, the essential condition for …
Due to the similar physical and chemical properties of ilmenite and olivine, separating them is challenging. The flotation process, with the use of collectors, is an effective method. In this study, a ternary collector consisting of aluminum ion (III), benzohydroxamic acid (BHA), and sodium oleate (NaOL) was prepared for the flotation separation of ilmenite and …
Two equivalent labels for the X-axis are given, one showing the amount of Titanium (II) and one showing iron (Fe). So, Ilmerite with 83 weight % TIO a means that 83% of that ilmenite's mass is TiO2, and 17% of the mass is ERO After Force, 1991. 30 60 65 70 75 80 85 TiO content in ilmenite (wt %) 40 35 30 25 2015 FeO content in ilmenite (wt %) 8.
In this paper, the mineral phase transformation technology was proposed to strengthen the surface magnetism of fine ilmenite. The results demonstrated that in the …
The effects of roasting temperature, roasting time and cooling method on the results of ilmenite magnetic separation were studied. At the same time, the mechanism of the oxidation roasting process ...
1. Ilmenite gravity separation process. Since the specific gravity of titanium minerals is greater than that of non-metallic gangue minerals, gravity separation can be used for the separation of ilmenite. This method is suitable for ilmenite with coarse-grained impregnation and fine-grained aggregate impregnation.
The flotation process, with the use of collectors, is an effective method. In this study, a ternary collector consisting of aluminum ion (III), benzohydroxamic acid (BHA), and sodium oleate (NaOL) was prepared for the flotation separation of ilmenite and olivine.
Roasting Process The ilmenite, as mined, has a high Cr2O3 content and is not suitable for direct smelting to titania slag. Some of this Cr2O3 is removed at the mine when the ilmenite is passed through a magnetic separation step in which the highly susceptible Cr2O3-rich fraction of the ilmenite is removed. The remaining