The results of the flotation tests for a massive ilmenite ore sample indicated that, when the dosage of Pb(NO3)2 was 60 g/tonne, ilmenite recovery increased from 65% during conventional flotation ...
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. In …
Ilmenite Flotation. The flotation method is a commonly used separation method for ilmenite, which can be divided into the conventional flotation method, ... The gravity separation-flotation has a good selection effect for ilmenite with a raw ore grade of less than 6%. It can also separate the sulfur in the ilmenite and improve the utilization ...
In this study, salicylhydroxamic acid (SHA), which exhibits superior flotation performance to conventional collector benzohydroxamic acid (BHA), was first introduced in ilmenite flotation. The addition of lead(II) can significantly increase the recovery of ilmenite using SHA as collector. Thus, the adsorption mechanism of SHA on lead(II) …
Experimental Materials. The fine ilmenite sample involved in this study was a classifier overflow materials in a titanium beneficiation plant of Panzhihua Iron & Steel Group Co. in China, with a particle size of −0.038 mm passing 86.18% and TiO 2 grade of 8.89%. After treated by a LIMS and a superconducting magnetic separator, it was upgraded to …
A column cell was used to minimize the negative effect of slimes on ilmenite separation efficiency. When ilmenite flotation was performed in a 1 litre Denver cell, the flotation recovery of titanium dioxide from the ilmenite ore sample was only 68.5% (31.1% TiO 2) under conventional flotation conditions. After microwave radiation pre-treatment ...
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 …
The flotation behavior of ilmenite at different pHs was studied. As shown in Fig. 2, when BHA was used as a collector in the absence of an Al 3+ activator, the recovery of ilmenite flotation increased and then decreased as the pH of the pulp changed from 3 to 11. The floatability of ilmenite in neutral and weak alkaline environments was higher …
In order to intensify the flotation separation of ilmenite from titanaugite, surface modification of mineral particles was carried out using carboxymethyl starch (CMS) by microflotation ...
Due to its high efficiency, ease of operation, and superior selectivity, flotation separation has emerged as a promising technique for the extraction of ilmenite from natural resources. In light of the solution chemistry of ilmenite, it is widely accepted that ferrous ions and ferrous hydroxy compounds serve as the primary active sites for …
Ilmenite is recovered through multiple separation methods based on the differences in physical or chemical properties between ilmenite and gangues, such as …
Progress in ilmenite flotation research Ilmenite (FeTiO3) has a theoretical TiO2 content of 52.63% and is the main mineral for extracting titanium and titanium dioxide. The ilmenite beneficiation process depends on factors such as deposit type, ore properties, and mineral composition. Since the properties of primary titanium ores are relatively …
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 …
The results of the flotation tests for a massive ilmenite ore sample indicated that, when the dosage of Pb(NO3)2 was 60 g/tonne, ilmenite recovery increased from 65% during conventional flotation ...
Even at pH 8.0, the titanaugite recovery was obtained around 25%. It could be seen that titanaugite significantly affected the flotation separation of ilmenite under a broad pH region. Thus a selective depressant would be needed in the froth flotation of ilmenite from titanaugite.
The analytical grade of sulfuric acid (H 2 SO 4), sodium hydrate (NaOH), sodium oleate (NaOL), and 2-amino-1,3-propanediol (APD), were purchased from Macklin Chemical Co, Ltd. Throughout the tests in this study, H 2 SO 4 and NaOH were employed as pH regulators, NaOL as a collector for ilmenite and titanaugite, and APD as a …
Froth flotation is considered as the most effective method for upgrading fine ilmenite ores, and the appropriate selection of flotation agents is essential [10], [11], [12]. Flotation agents include collector, regulator and frother, among which the role of collector is particularly prominent [13], [14], [15] .
Therefore, the combined collector (NaOL:BS-12=6:4) will be a promising collector for ilmenite flotation because of its excellent selectivity and conformity to the actual situation of industrial ...
The flotation behaviors of ilmenite, titanaugite, and forsterite using sodium oleate as the collector were investigated using microflotation experiments, zeta-potential measurements, Fourier transform infrared (FT-IR) analyses, X-ray photoelectron spectroscopy (XPS) analyses and the artificially mixed minerals flotation experiments.
DOI: 10.1016/j.powtec.2019.12.046 Corpus ID: 214173690; Selective flotation and adsorption of ilmenite from titanaugite by a novel method: Ultrasonic treatment @article{Wu2020SelectiveFA, title={Selective flotation and adsorption of ilmenite from titanaugite by a novel method: Ultrasonic treatment}, author={Houqin Wu and Shuai …
Taking advantage of flotation tests and density functional theory (DFT), the selectivity of benzyl hydroxamic acid (BHA) and the adsorption mechanism of oleate and BHA on ilmenite were …
Acid in the Flotation of Ilmenite LixiaLi1,ChenZhang 1*,ZhitaoYuan,ZhichaoLiu2 andChunfengLi2 ... confirmed the suitability of parameter selection for accurate calculations.
The same sample of ilmenite and titanaugite as our previous research was obtained from Panzhihua in the Sichuan province (China) (Yang et al., 2016).After being hand-selected, crushed, ground and screened, the powder sample of − 75 + 38 μm fractions was used in the flotation tests.The samples used for the Fourier transform infrared …
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 ...
The maximum flotation recovery of ilmenite is 73.5% which is obtained at pH = 6.3. Thus, the optimal pH range for ilmenite flotation is located between 6 and 7. As seen from Fig. 2, the flotation behavior of olivine-pyroxene is somewhat similar to that of ilmenite. In strong acidic and alkaline solutions, the flotation recovery of olivine ...
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 ...
The carrier flotation of fine ilmenite in the presence of HGB was investigated by micro flotation tests, X-ray diffractometer analysis, Fourier transform infrared (FTIR), optical microscope observation, and …
Surface chemistry and flotation behavior of monazite, apatite, ilmenite, quartz, rutile, and zircon using octanohydroxamic acid collector ... are 5.3, 8.7, 3.8, 3.4, 6.3, and 5.1 respectively. The thermodynamic parameters of adsorption were also evaluated. Ilmenite, rutile and zircon have high driving forces for adsorption with ΔGads. = 20.48 ...
With regard to ilmenite recovery, several investigations used modified flotation technique to enhance the result [6,7,8,9]. Hu [6] applied sodium chlorite to oxidize Fe(II) ion to Fe(III) ion in ...
A study was made on the flotation of ilmenite in a three stage pilot plant at the Tahawus mill of the National Lead Company. The results showed that concentrate grades of …
Flotation has been an indispensable step for ilmenite upgrading as time goes and many collector types that can float ilmenite in different pH ranges have been …
The decreased ground size of ilmenite-bearing ores challenges the selectivity of collectors of ilmenite. Taking advantage of flotation tests and density functional theory (DFT), the selectivity of ...
1. Introduction. Flotation is believed to be an efficient method for ilmenite separation in mineral processing (Pattanaik and Venugopal, 2018, Prakash et al., 2018).The key point for minerals flotation is to expand the hydrophobic difference between valuable minerals and gangue minerals (Zhai et al., 2020).Thus, the selection of flotation …
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 …
Due to its high efficiency, ease of operation, and superior selectivity, flotation separation has emerged as a promising technique for the extraction of ilmenite from natural resources.
When sodium oleate was used as the collector, the ilmenite had a good floatability in the range of pH 5–9, and the maximum recovery rate can reach 80% at pH …
Coffee grounds are the most significant production waste in the coffee industry and contain about 15% coffee oil. Coffee oil is rich in fatty acids and polyphenols, which have great application potential in the …
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, …
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. ... Editors select a small number of …
