séparation d ilménite

Separations | Free Full-Text | Separation of Ilmenite …

AMA Style. Zhu F, Ma Z, Qiu K, Peng W. Separation of Ilmenite from Vanadium Titanomagnetite by Combining Magnetic Separation and Flotation Processes.

Study on the mineral characteristics and separation …

A low-TiO 2 ilmenite (ilmenite-M) was separated from the vanadium–titanium magnetite ore in Panzhihua, and its chemical composition and separation behaviors were investigated compared to common ilmenite. The chemical composition and structure analysis indicated that ilmenite-M had 43.53% TiO 2 but a …

Effects of Temperature on Ilmenite During …

The dissolution of iron in the hydrochloric acid leach of titania slag obtained from plasma melt separation of metalized ilmenite. 2011 • Sneha Samal. Download Free PDF View PDF. Iranian Journal of Chemistry & Chemical …

A new combined collector for flotation separation of ilmenite from

A new combined collector for flotation separation of ilmenite from titanaugite in acidic pulp Xujian, Shangyong, Zhai, Jianhua Kang,, Runqing Add to …

Process Mineralogy of Vanadium Titanomagnetite Ore in …

has mainly focused on the separation and extraction of titanomagnetite, the treatment of ilmenite has been neglected, resulting in a low grade and recovery of the ilmenite concentrate after mining [21]. The ilmenite grade obtained by beneficiation is about 47%, and the total amount of the CaO and MgO impurities in the concentrate is …

Selective flotation and adsorption of ilmenite from titanaugite …

The mixed BHA/NaOL surfactant was proposed as a flotation collector for the separation of ilmenite from titanaugite. Both experimental and computational studies were applied to reveal the interaction mechanism between minerals and mixed BHA/NaOL collector. Microflotation tests showed that the floatability of ilmenite was higher than …

New insight into adsorption of novel ternary mixed collector …

It is usually applied to the flotation separation of ilmenite and titanaugite. In this study, NaOL was added as an auxiliary agent in the ilmenite–titanaugite flotation system with the mixed Pb–BHA collector, forming a novel ternary mixed collector. This collector was investigated for its ilmenite beneficiation capacity via flotation ...

Minerals | Free Full-Text | Separation Analysis of New …

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% …

The Four Major Methods of Ilmenite Beneficiation …

And ilmenite is the main source of titanium resources, therefore, it is important to develop and utilize ilmenite. The four main beneficiation methods of ilmenite are gravity separation, magnetic ...

New insights into the flotation responses of brucite and

The inadvertent dissolution of gangue minerals is frequently detrimental to the flotation of valuable minerals. We investigated the effect of conditioning time on the separation of brucite and serpentine by flotation. By analyzing the Mg2+ concentration, relative element content, and pulp viscosity, we studied the effect of mineral dissolution …

Monazite chemistry and its distribution along the coast of

The beach sands along the coasts of India contain large reserves of strategic minerals like ilmenite, monazite, zircon, etc. Monazite mineral is primarily used as an ore for extracting rare earths particularly cerium and lanthanum. In the present study, the chemistry and distribution of monazite found in the beach sands of …

Preconcentration of ultrafine ilmenite ore using a …

The separation efficiency [13, 39] was calculated as follows: (11) E = γ ⋅ (β m α ⋅ β − α β m − α) where E is the separation efficiency, γ is the yield of concentrate, α is the feed grade, β is the TiO 2 grade of concentrate, and β m is the TiO 2 grade of ilmenite.

Selective sulphidation of impurities in weathered ilmenite.

Existing processes based on a magnetising roast that are currently used to separate chrome-rich spinels from ilmenite do not always provide a clean separation as they are usually only applicable to deposits with a narrow range of compositional variation in both the ilmenite and the spinel (Pownceby and Fisher-White, 2006, Fisher-White et al ...

Selective sulfidising roasting for the removal of chrome …

Introduction. Ilmenite is used for titania (TiO 2) pigment production through either the sulphate or chloride route processes (Ranganathan et al., 2012).The chromium (Cr) level in the ilmenite concentrates used for the pigment feedstock must be low (i.e. less than 0.1% Cr) since even a minor amounts of Cr impurities can impart colour to the white …

Separation of Ilmenite from Vanadium …

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 concentrate grade is then increased to 14.32%...

Investigation of selective adsorption of sodium oleate during

The purified ilmenite and titanaugite were obtained from magnetic separation tailing of the titanium plant in Panzhihua city of China. Because ilmenite and titanaugite are the main components of the tailing, the two minerals were purified through a same purification process, which has been displayed in our former study (Yuan et al., …

How to Separate Ilmenite?

It is apparent that high-gradient magnetic separation plays the most significant role in the flowsheet for the production of qualified high-grade ilmenite concentrate, by providing a …

Separation mechanism of ilmenite from titanaugite with

The high grade ilmenite (90.46 %) and recovery of 29.38% was obtained using 5 Ampere with single splitter opening of 1.0 cm. Up to date, the study on ilmenite separation from tailing only focused ...

Selective flotation separation of ilmenite from titanaugite …

The flotation separation of ilmenite from titanaugite can be performed using the mixed NaOL-DAA in a wide pH range of 5.0–7.0. In this pH range, the recovery of ilmenite remains constant at approximately 90%, while the recovery of titanaugite remains < 25%. The best separation result can be achieved with NaOL-DAA molar ratios of 10:1.

Notes on Lunar Ilmenite 3

ilmenite in Apollo 11 samples occurs as small tabular grains totally enclosed in pyroxene. Apollo 14 ilmenite contains 0.2-0.6 wt% ZrO 2 and up to 3.9 wt% MgO, which is noteworthy as the whole rock has lower MgO than that from other Apollo sites (approximately 8-8.5 wt%). In addition, ilmenite from one Apollo 14 sample contained

US5595347A

A process for enhancing ilmenite from deposits of mineral sands or mineral concentrates comprises a single stage fluidized bed magnetizing roast (16). A temperature of 650° C.-900° C. in an excess of a carbonaceous fuel (such as coal/char, CO or hydrocarbon) is used to provide an atmosphere in which the oxygen potential is controlled resulting in a …

Study on the flotation behavior and interaction mechanism of ilmenite

Pure ilmenite samples for all experiments were obtained from the vanadium-titanium magnetite in Panzhihua, China. After the gangue minerals were removed through magnetic separation and shaking table, the purified ilmenite samples were ground and the −0.074 + 0.038 mm fraction was screened out for the next experiments.

Adsorption mode of sodium citrate for achieving

The ilmenite and titanaugite used in this study were purified from the magnetic separation concentrate picked from the Midi titanium processing plant in Panzhihua. As the sample was treated by high-gradient magnetic separation, pure ilmenite and titanaugite were obtained by purifying the sample using a shaking table.

Beneficiation of Ilmenite from Ultramafic Lamprophyres of Mithapukur

Ilmenite in ultramafic lamprophyre ore occurs in various forms such as Ilmenite grains, exsolved Ilmenite lamellae in phlogophyte and Ilmenite particles disseminated in silicate minerals. The feasibility of physical separation has been performed for mineral beneficiation. The grain forms liberated in 63µm-1000µm are recoverable by …

Study on the flotation behavior and mechanism of ilmenite …

The ilmenite ore utilised in the actual mineral flotation was supplied by a mining company in Yanbian County, Sichuan Province. The ore sample was a gravity concentrate, and the chemical analysis results are summarised in Table 2.The ilmenite ore contained 21.52% TiO 2, 20.75% TFe, 10.30% CaO, and 7.01% MgO.Ilmenite was …

Effect of selective coating of magnetite on improving …

Magnetic separation of ilmenite from titanaugite was conducted by the selectively magnetic coating method in this study, and the mechanism of magnetite coating on ilmenite was investigated by calculating the interaction force. After magnetic coating, the recovery of TiO 2 in mixed mineral magnetic separation increased by 36%. Scanning …

Triboelectric properties of ilmenite and quartz minerals and

According to the optimal results of triboelectric separation on the mixture of ilmenite and quartz, the separation experiment of ilmenite ore was conducted at the parameters of 40 m 3 /h airflow rate, 6 g/s feed rate, and 20 kV voltage. Separation results and the elements contained in products are shown in Table 1. The Ti in PP product is up …

Ilmenite

Luzheng Chen, Dahe Xiong, in Progress in Filtration and Separation, 2015. 3.3. Ilmenite Ore. Panzhihua ilmenite, located in Sichuan province of southwest China, is the largest ilmenite reserve in the world, with an estimated reserve of 870 million tons. This deposit accounts for more than 90% of the total titanium resource of China and over 35% ...

Study on the mineral characteristics and separation …

A low-TiO 2 ilmenite (ilmenite-M) was separated from the vanadium–titanium magnetite ore in Panzhihua, and its chemical composition and …

Separation mechanism of ilmenite from titanaugite with …

Thus, the optimal pulp condition for the separation of ilmenite and titanaugite with mixed BHA/NaOL (7:3) collector was fixed at pH 8.0 in consideration of TiO 2 recovery and grade. At these conditions, the TiO 2 recovery and grade of ilmenite concentrate were 86.50% and 39.42%, respectively. Download : Download high-res image (173KB)