ilmenite flotation quality
Optimization of Fine Ilmenite Flotation Performed with Collectors
Ilmenite is an economically important raw metal and is widely used in fields such as aerospace, arms manufacture, transportation, and medical devices [1, 2].However, with the development and utilization of ilmenite resources, the resources of ilmenite has become less and less [3, 4].Therefore, in order to alleviate the disadvantage of ilmenite …
ادامه مطلب
Influence of aluminum–sodium silicate on olivine flotation with …
1. Introduction. As a titanate of the ferrous iron mineral, ilmenite (TiFeO 3) is one of the major TiO 2-bearing minerals from which titanium metal and its compound are produced.The gangue minerals of TiFeO 3 include olivine and titanaugite. The rejection of gangue minerals has remained a challenging problem for a long time (Bai et al., 2012, …
ادامه مطلب
Separations | Free Full-Text | Process Mineralogy of Vanadium
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 …
ادامه مطلب
Typical roles of metal ions in mineral flotation: A review
Abstract. In flotation, metal ions possess significant roles that are usually fulfilled by either selectively activating or depressing the target minerals. Despite that tremendous efforts have been made to address the roles of metal ions in flotation, it still lacks a comprehensive review, especially to compare various ions instead of focusing ...
ادامه مطلب
Activation of ilmenite flotation by Al3
Flotation is an effective sorting method for difficult ores in ilmenite beneficiation and can upgrade the ilmenite quality to commercial levels [5], [6], [7]. …
ادامه مطلب
Flotation behavior and mechanism of ilmenite using
Therefore, at most only half of the metal cations (Ti 4+ or Fe 2+) on the surface of ilmenite can act as active sites for collector anions, regardless of the pH …
ادامه مطلب
Adsorption mechanism of styryl phosphonate ester as collector in
Abstract. A styryl phosphonate ester (SPE) collector was used to improve the flotation performance of ilmenite, and the adsorption mechanism and model were revealed and established, respectively. Microflotation tests showed that SPE exhibited a stronger collecting ability for ilmenite than the traditional collector styrene phosphonic acid (SPA).
ادامه مطلب
A review of mineral processing of ilmenite by flotation
Flotation results revealed that the flotation recovery of ilmenite significantly increased with the addition of BHA before grinding as compared to the conventional …
ادامه مطلب
SLON MAGNETIC SEPARATORS APPLIED IN THE …
the recovery of 0.045mm ilmenite using the SLon VP HGMS-Flotation flowsheet. Twelve SLon-1500 VP HGMS are applied as roughers, followed by flotation for cleaning as shown in Figs. 1 and 2. 66.24 ... annually, at good quality, and about 50000 tonnes of the iron concentrate is also recov-ered each year. 5. APPLICATION OF THE SLON VP HGMS …
ادامه مطلب
Minerals | Free Full-Text | Purification and Phase Evolution
The phase evolution mechanism and purification of titanium oxycarbide (TiCxOy) synthesized via the carbothermal reduction of ilmenite are investigated. The reaction process and products of the performed carbothermal reduction are analyzed by means of X-ray diffraction (XRD), scanning electron microscopy-energy disperse …
ادامه مطلب
Evaluation of the potential of recovering various valuable
However, there is still a portion of ilmenite and hematite embedded in gangue such as anorthite, diopside, and serpentite. For the recovery of valuable fractions such as Fe and TiO2 from VTMT, a treatment process including ball milling–high-intensity magnetic separation–one roughing and three refining flotation was proposed.
ادامه مطلب
New insights into the impact of acid surface pretreatment on the
The influence of changing the adding order of sulfuric acid (H 2 SO 4) and sodium oleate (NaOL) collector on the flotation of ilmenite and titanaugite was investigated through a series of experiments.Flotation experiments showed that adding NaOL preferentially could improve the ilmenite recovery and reduce the titanaugite recovery, …
ادامه مطلب
Novel Selective Depressant of Titanaugite and Implication for Ilmenite
In a closed circuit flotation test, ilmenite concentrate is obtained with a TiO2 grade of 45.97% and a recovery of 76.32% by using PSSNa as a titanaugite depressant. This paper studies the effects of sodium polystyrene sulfonate (PSSNa) used as a depressant upon the separation of ilmenite from titanaugite through flotation when …
ادامه مطلب
Surface Chemistry and Flotation Behavior of …
The highest flotation separation performance (ilmenite recovery, 95.2% vs. titanaugite recovery, 12.6%) in the system was achieved at pH6. New evidence for various assembly behaviors in the ...
ادامه مطلب
Influence of particle size on flotation separation of ilmenite, …
At present, the research on flotation separation of fine ilmenite has obtained certain achievements, but it didn't really solve the issue of low recovery. Therefore, it is an effective method to stop or reduce the production of fine ilmenite by selective grinding to address the difficulty of fine ilmenite flotation from the source.
ادامه مطلب
Minerals | Free Full-Text | Characterization and Pre
This work focused on the application of a high efficiency, low cost and environmentally friendly magnetic separation technology to recover vanadium-titanium magnetite concentrate and pre-concentrate rough concentrate of ilmenite, which provides high quality raw materials for flotation from low-grade vanadium-titanium magnetite ore …
ادامه مطلب
Minerals | Free Full-Text | Novel Approach for Fine Ilmenite Flotation
Ilmenite disseminated grain size is relatively fine, and it must be finely ground to fully separate ilmenite from gangue and then produce fine-grained minerals, which deteriorates flotation. A novel method using buoyant carriers to improve the recovery of fine ilmenite in froth flotation was introduced in this study. Hydrophobized glass …
ادامه مطلب
Influence of different comminution flowsheets on the separation of
Recently, research on the flotation of ilmenite has been focused on the improvement of the flotation reagents and the process itself (Parkash et al., 1999, Zhao et al., 2019); ... When assessing the quality of comminution, size analysis is of primary importance. Sieve analysis was accomplished by passing a known weight of the sample …
ادامه مطلب
Analysis of the Application Potential of Coffee Oil as an Ilmenite
In this study, coffee oil as a green flotation collector for ilmenite was investigated by micro-flotation, zeta potential measurement, and foam stability analysis. The results of zeta potential ...
ادامه مطلب
Chemical and mineralogical composition of ilmenite
The micro-flotation results indicated that BS-12 exhibited a stronger collecting ability towards ilmenite than titanaugite within an acidic pH range, and that the recovery of ilmenite was about 50 ...
ادامه مطلب
Minerals | Free Full-Text | Mathematical Model of Ilmenite …
However, ilmenite is also mixed with impurities, it must be separated to obtain the high grade ilmenite. At present, the main separation methods include flotation [3,4], gravity, magnetic separation [6,7], and so on. For example, decanoic acid was found to be an effective collector, to float ilmenite in the strongly acidic pulp.
ادامه مطلب
Minerals | Free Full-Text | Flotability Improvement of Ilmenite Using
Flotation technology of the recovery and utilization of ilmenite from tailings of iron beneficiated in Panzhihua was investigated based on mineralogical study. The results of mineralogical study show that the main occurrence of the valuable mineral are liberated grains of ilmenite. Experimental results of flotation conditions show that attrition …
ادامه مطلب
SLON MAGNETIC SEPARATORS APPLIED IN THE …
Ilmenite flotation (cleaning) Ilmenite flotation (scavenging) 53.08 12.53, 42.87 11.83 17.73, 6.76 mags ... annually, at good quality, and about 50000 tonnes of the iron concentrate is also recov-
ادامه مطلب
Titanium Ore Processing and Beneficiation
Titanium Ore Processing and Beneficiation. To develop a flowsheet for separation of high grade titanium-rutile from ilmenite, that will meet market requirements. Rutile has a SG of 4.2, hardness 6.0 to 6.5 and is non-magnetic; while ilmenite has a SG of 4.5 to 5.0, hardness of 5.0 to 6.0, and is weakly magnetic.
ادامه مطلب
Effect of crystal chemistry and surface properties on …
Lattice substitution of Mn, Mg and V influences the flotation of ilmenite. • Fe 3 + ions sourced mainly from hemoilmenite exsolution enhance ilmenite floatability. • …
ادامه مطلب
Selectivity of Benzyl Hydroxamic Acid in the Flotation of …
BHA has been proving as a potential alternative to fatty acids due to its good selectivity to ilmenite ( Bulatovic and Wyslouzil, 1999 ), and experiments demonstrate that the flotation performance of BHA is …
ادامه مطلب
Adsorption of Pb(II)/benzohydroxamic acid collector complexes for
Moreover, the free lead ions in the solution might form a complex with SHA to adsorb on the ilmenite surface. This adsorption mechanism was similar to that of Pb (II)/BHA for ilmenite flotation ...
ادامه مطلب
Investigations on the synergistic effect of combined
The ilmenite flotation mainly uses anionic collectors, such as sodium oleate (NaOl) [16], naphthenic soap (NS) [17], [18], and salicyl hydroxamic acid (SHA) [19], [20]. ... To improve the quality of the iron concentrate, the efficient separation of pyrrhotite from magnetite has always been an important beneficiation objective.
ادامه مطلب
Enhancing the flotation performance of ilmenite with the …
After magnetic treatment of the flotation water, the microflotation recovery of ilmenite increased by 5.4% from 74.9% to 80.3%. The adsorption amount of sodium oleate …
ادامه مطلب
Adsorption mode of sodium citrate for achieving effective flotation
Sodium citrate was introduced as a depressant for ilmenite flotation, and its effect on the activation of ilmenite and depressing titanaugite was investigated. ... With the increasing demand for high-quality ilmenite, the methods for separating and recovering ilmenite are constantly improved (Fan and Rowson, 2002, Mehdilo et al., 2013).
ادامه مطلب