Reagent types and action mechanisms in ilmenite flotation: …
The interaction of reagent groups with Ti and Fe sites on the ilmenite surface dramatically influences the ilmenite flotation. However, the investigation on Fe …
Reagent types and action mechanisms in ilmenite flotation: …
Ilmenite is an essential mineral for the extraction of titanium. Conventional physical separation methods have difficulty recovering fine ilmenite, and dressing plants have begun applying flotation to recover ilmenite. The interaction of reagent groups …
micro-ilmenite Flotation Behavior of Study | Semantic Scholar
The influence of different collectors,metal ions and mineral size on floatability have been studied to give the theoretical guidance for further research and the seperation of-0.020 mm micro-ilmenite.The main conclusions in this thesis have been summarized as follows:Sodium oleate and sodium dodecyl sulfonate showed excellent collecting …
Effects of ultrasonic pre-treatment on the flotation of ilmenite …
Combining the lead ion (Pb2+) and the benzyl hydroxamic acid (BHA) into a Pb—BHA complex has a marked effect on ilmenite flotation, which puts forward a new idea of developing combined reagents ...
Influence of Fe–BHA complexes on the flotation behavior of ilmenite
Combining the lead ion (Pb2+) and the benzyl hydroxamic acid (BHA) into a Pb—BHA complex has a marked effect on ilmenite flotation, which puts forward a new idea of developing combined reagents ...
A review of mineral processing of ilmenite by flotation
Herein, a review of ilmenite mineral processing by flotation is conducted to systemise the development of technologies in ilmenite upgrading.
A review of mineral processing of ilmenite by flotation
Ilmenite, as the main titanium source in practice, is of critical importance in meeting the pressing needs of various titanium associated fields. Herein, a review of …
Effects of microwave pre-treatment on the flotation of ilmenite …
In recent years, our team has found that ultrasonic pre-treatment can not only effectively improve the flotation of ilmenite and significantly reduce the required dosage of flotation reagent (Shu et al., 2019a, Shu et al., 2019b) but also dissolve the active sites on the surface of the gangue minerals.
Investigations on the synergistic effect of combined
Combined collector of different reagents is widely used in mineral flotation, while the synergistic effect mechanism remains in dispute. In this study, two anionic collectors of sodium oleate (NaOl) and styrene phosphonic acid (SPA) were applied in ilmenite flotation.
Selective flotation separation of ilmenite from titanaugite …
The flotation behavior of ilmenite and titanaugite using anionic collector sodium oleate (NaOL), cationic collector dodecylamine acetate (DAA) and the mixed anionic/cationic collector (NaOL-DAA ...
Effect of acid surface pretreatment on the floatability …
Acid surface pretreatment reinforced the flotation separation of ilmenite pre-absorbed by reagents.. Acid surface pretreatment increased distribution densities of main elements on ilmenite surfaces.. Original Fe and new Ti sites appeared on ilmenite surfaces after acid surface pretreatment.
Surface modification of ilmenite and flotation improvement …
In this work, we propose a new method to activate ilmenite using Fenton as an oxidant and a surface modifier. The activation mechanism of Fenton on ilmenite was investigated through micro-flotation experiments, zeta-potential measurement, adsorption tests, Fourier transform infrared (FT-IR) spectroscopy, and X-ray photoelectron …
Separations | Free Full-Text | Separation of Ilmenite from …
Vanadium titanomagnetite (VTM) is an important mineral for developing titanium resources, but the comprehensive recovery of ilmenite separation is extremely poor, resulting in the low-efficiency utilization of titanium resources. Here, the separation of ilmenite from VTM ore is studied by combining magnetic separation and flotation technologies.
Reagent types and action mechanisms in ilmenite flotation: …
Ilmenite is an essential mineral for the extraction of titanium. Conventional physical separation methods have difficulty recovering fine ilmenite, and dressing plants have …
Selectivity of Benzyl Hydroxamic Acid in the Flotation of Ilmenite
This study highlighted the good selectivity of BHA for ilmenite. Flotation tests were performed to discover the difference in selectivity between BHA and oleate, and the DFT calculation of the reagent-ilmenite complexes was adopted to elucidate the mechanism of the good selectivity of BHA at the atomic level.
A review of mineral processing of ilmenite by flotation
Semantic Scholar extracted view of "A review of mineral processing of ilmenite by flotation" by Ji-hua Zhai et al.
Flotation Reagents
This data on chemicals, and mixtures of chemicals, commonly known as reagents, is presented for the purpose of acquainting those interested in froth flotation with some of the more common reagents and their various uses.. Flotation as a concentration process has been extensively used for a number of years. However, little is known of it …
A review of mineral processing of ilmenite by flotation
The current paper thus aims to review the minerals processing technology of ilmenite by flotation, together with some basic information about ilmenite. It is hoped that a systematic knowledge about ilmenite upgrading can be built herein and recommendations can be made to guide future studies in the area of ilmenite minerals …
Research Status and Prospect of Ilmenite Flotation Reagents
The use of reasonable reagents in flotation process can effectively separate the increasingly poor, fine and miscellaneous ilmenite ore. Cationic, anionic and combined collectors, organic and inorganic inhibitors, metal ions and potassium permanganate activators are reviewed.
Effect of the adding order of sulfuric acid on the flotation …
Combining the abovementioned information, changing the adding order of H 2 SO 4 and NaOL may be a good method to utilize in ilmenite flotation. According to the related research in this paper, it was found that changing the adding order of H 2 SO 4 and NaOL could reduce the dosage of flotation reagent and improve the separation …
Effect of lead ions on the selective flotation of ilmenite …
Froth flotation, the main process for separating ilmenite, depends heavily on the performance of flotation reagents. Herein octyl hydroxamic acid (OHA) and lead nitrate served as collector and ...
Influence of Fe–BHA complexes on the flotation behavior of ilmenite
The change in ilmenite flotation recovery can be verified using the amount of flotation reagents adsorbed on the mineral surface [40]. Fig. 6 shows the adsorption amount of BHA on ilmenite as a function of BHA concentrate in the absence and presence of FC in the collector system.
Selective flotation of ilmenite from olivine using the …
In ilmenite flotation, Song and Tsai have used the acidified sodium silicate with sulfuric acid to replace sodium fluorosilicate, ... Reagents. In the micro-flotation tests, the acidified water glass (AWG) is a mixture of oxalic acid and …
Froth flotation of rutile – An overview
Flotation is a very important and promising method for separation of rutile from its associated gangue minerals. However, flotation performance is a function of flotation reagents and reagents schemes as these flotation reagents are inseparable part of flotation process.
Optimization of Fine Ilmenite Flotation Performed with Collectors
The adsorption of solid–liquid interface is the most important interface phenomenon in the flotation process, thus enhancing the understanding of the adsorption process of ilmenite and collector, which can provide an effective way and necessary theoretical support for the efficient flotation of ilmenite [5, 6]. One of the most influential ...
A review of mineral processing of ilmenite by flotation
A review of minerals processing technology used to upgrade titanium minerals, e.g. ilmenite and rutile, is a fundamental step to deepen the insights into their …
Improvement of ilmenite flotation via the benzohydroxamic …
Improvement of ilmenite flotation via the benzohydroxamic acid synergistic mechanical activation. Author links open overlay panel Jiaozhong Cai a b c, Bozeng Wu a c d, ... on the flotation of ilmenite to reduce the dosage of reagent and improve the flotation recovery of ilmenite. The BHA synergistic mechanical activation will also …
Selective flotation of ilmenite from titanaugite using 2 …
In this investigation, micro-flotation, zeta potential measurements, adsorption tests, Fourier Transform Infrared Spectroscopy (FTIR), and X-ray Photoelectron Spectroscopy (XPS) were used to assess the separation mechanism of ilmenite and titanaugite using a novel cationic reagent, 2-amino-1,3-propanediol (APD).
Effects of ultrasonic pre-treatment on the flotation of ilmenite …
Herein we investigate the flotation and possible adsorption mechanism on the surface of ilmenite and the changes in the surface composition of ilmenite before and after ultrasonic pre-treatment through flotation tests, Fourier-transform infrared (FTIR) spectroscopy, zeta potential measurement, X-ray photoelectron spectroscopy (XPS), …
Selectivity of Benzyl Hydroxamic Acid in the Flotation of …
Acid in the Flotation of Ilmenite ... dosages of reagents, and flotation time, have been implemented. In each experiment, 300g of samples were added in 700mL of water to stir for