The ilmenite powder was obtained from Panzhihua Iron and Steel Group, Sichuan Province, China and the pre-oxidized ilmenite concentrate powder was obtained by oxidizing ilmenite concentrate in a muffle furnace at 1100 °C for 2 h in air.The size distribution of the particles for pre-oxidized ilmenite concentrate was 150–200 mesh.X …

The microwave absorbing characteristics of magnetic separation products (magnetic and non-magnetic) of reductive products of ilmenite concentrate were measured by the method of microwave …

In the present study, the ilmenite concentrate from Kahnooj (Kerman, Iran) was used. Dry/wet sieving was conducted for 15 minutes using a rotary sieve shaker and ASTM sieves of 38 to 500 µm, for determining the particle size distribution of the samples.In addition, major solid phases of the concentrate were determined by an X-ray diffraction …

Optimal separation conditions for HGMSCMF of ilmenite ore were MnCl 2 concentration 40%, applied induction 0.6 T and pulsating frequency 400 r/min. With the optimal conditions, qualified ilmenite concentrate assaying 46.89% TiO 2 was obtained by using only HGMSCMF (without using flotation), with TiO 2 recovery of 38.30%. …

Zhu et al. (2011) studied the influence of surface dissolution on the selective separation of fine ilmenite from titanaugite, and the results showed that surface dissolution could enhance TiO 2 grade of ilmenite rough concentrate by around 5% (with unobvious reduction in TiO 2 recovery; Table 4). This shows that surface dissolution, as a pre ...

flotation process parameters of VTM ores. Therefore, in this work, the separation process of ilmenite from the Panzhihua VTM is studied using the mixed MOH/PG-1 collectors. The results show that the grade and yield of the ilmenite concentrate obtained using the mixed collectors are higher than those obtained using …

In the titanium recovery process, high gradient magnetic separation (HGMS) is used in the roughing stage and flotation is applied in the cleaning stage. Ilmenite …

Thus, it was confirmed that the optimum magnetic intensity to obtain ilmenite concentrate with excellent titanium content was 0.3 T in the multi-step magnetic separation process of this study. As a second step, magnetic separation was performed at a medium-intensity of 0.3 T on the Product 2 and Product 4 generated by each process …

The content of titanium and iron in the high-titanium slag and iron concentrate after wet-magnetic separation were chemically analyzed. ... Theoretical calculations and experiments were conducted on the carbothermic reduction of ilmenite and separation of iron slag in a semi-molten state by adding sodium carbonate. The …

DOI: 10.1016/J.POWTEC.2018.09.043 Corpus ID: 104921756; Carbothermic reduction of ilmenite concentrate in semi-molten state by adding sodium sulfate @article{Lv2018CarbothermicRO, title={Carbothermic reduction of ilmenite concentrate in semi-molten state by adding sodium sulfate}, author={Wei Lv and Chenguang Bai and …

In the titanium recovery process, high gradient magnetic separation (HGMS) is used in the roughing stage and flotation is applied in the cleaning stage. Ilmenite concentrate with TiO 2 grade around 47% can be obtained, with TiO 2 recovery of approximately 20% (relative to raw ore) (Du

The results show that a concentrate with a TiO2 grade of 9.90% can be separated via weak magnetic separation and coarse particle tailing dumping. The …

The key procedure in preparing titanium slag is the separation of slag from iron in reduced- ilmenite concentrate. In recent years, studies regarding ilmenite concentrate have been primarily focused on the reduction process [5âˆ'7].

In the present study, grinding and wet magnetic separation of the products from semi-molten state reduction of Panzhihua ilmenite concentrate was investigated. …

Ten metric tons of Longnose ilmenite sample was beneficiated using gravity and magnetic separation to produce an ilmenite concentrate for hydrometallurgical testing. The …

Raw ilmenite concentrate containing Cr can be either as a resource or as one kind of the most hazardous solid waste. In order to recover titanium and chromium from the raw concentrate which was separated from the Promenade deposit, Gaza province, Mozambique, an innovative technology using modification of magnetic property followed …

Ilmenite concentrates have TiO 2 contents (54 % wt %) consistent with a mineral group dominated by primary ilmenite and hydrated ilmenite in greater abundance. From the magnetic separation analysis, it was possible to identify differences in physical properties between unchanged and altered ilmenite grains, confirming what has been …

ABSTRACT Electric arc furnace is mainly used in the production of high titania slag; however, since impurities cannot be eliminated, this causes difficulty in the production of titania pigment with chlorination process. Consequently, removing impurities is the crucial way to deal with low-grade ilmenite, especially for the Panzhihua ilmenite …

2.2 Experimental procedure. Ilmenite concentrate (particle size within the range of 48–150 μm) was the experimental material. Graphite powder (purity ≥ 99.9% and grain size < 13 μm) was used as the reducer, and Na 2 CO 3 (AR) was used as the additive. According to previous research, the reducer dose was set as 13 wt.%, and the additive …

The most widespread industrial application is obtained by methods based on preliminary carbon-thermal reduction of ilmenite concentrates at 900-1200° with the subsequent separation of reduced ...

By low-intensity magnetic separation (LIMS), VTM is recovered, to be then smelted into iron–vanadium metal in a blast furnace (BF). The LIMS tailings are further directed to high-intensity magnetic separation (HIMS) and flotation, so as to extract fine ilmenite concentrate containing about 47% wt. TiO 2 [15].

Herein, a novel process for preparing TiCl4 from Panzhihua ilmenite involving boiling chlorination is proposed. The carbothermal reduction of the ilmenite concentrate, acid leaching separation of the reduced products, and boiling chlorination process were investigated via X-ray diffraction, mineral dissociation analysis, scanning electron ...

Ilmenite concentrate is the second most abundant resource from the vanadium-bearing titaniferous magnetite in Panzhihua, comprising about 90% of the titanium resources in China.

The results show that an ilmenite concentrate with 46.34% TiO 2 can be separated from VTM ores through the LIMS process, sieving separation process, HIMS process, DSF process, and flotation separation process using MOH/PG-1 as the collector.

The carbothermic reduction of an ilmenite concentrate, followed by wet magnetic separation, was performed with varying additions of Na2CO3 to generate metallic iron and a titanium-rich slag.

The ilmenite concentrate (WHMag) will undergo a series of dry electrostatic and magnetic separations to first obtain a pure ilmenite concentrate (ilmenite 1) ... In this process the non-conductive and nonmagnetic particles are also reprocessed by electrostatic separation to - produce a second ilmenite concentrate (ilmenite 2). These two ...

Using the magnetic separation-flotation method, a Ti concentrate with a TiO 2 content of about 47 wt % can be obtained after ... (Panzhihua Steel City Group Co. Ltd., China). The ilmenite concentrate with a TiO 2 content of 46.34 wt % was obtained from the beneficiation of the Panzhihua Ti–V magnetite ore (Pangang Group Mining Co ...

Ilmenite concentrates are the raw material used for the production of titania pigment and metallic titanium. This work studies the effect of the addition of Na 2 CO 3 in direct carbothermic reduction of ilmenite concentrate to enhance the separation of metallic iron from titanium components. The effects of temperature, Na 2 CO 3 content …

The preparation of high-strength pellets from Panzhihua ilmenite concentrate is important for the hydrogen-rich smelting of titania slag and was investigated. The effects of the magnetite concentrate and heating procedure including the pre-heating temperature and period as well as roasting temperature and period on the compressive …

For ilmenite, the P 50 values in the sample and in concentrate were 8.84 μm and 10.71 μm, respectively, indicating a slight change in size distribution before and after separation. For titanaugite, the P 50 values in the sample and concentrate were 12.78 μm and 20.86 μm, respectively, indicating an obvious change in size distribution …