fluorite flotation results

Enrichment of Molybdenum and Fluorite by Flotation of …

 · fluorite flotation, in order to increase the separation efficiency and lower the operation costs. It was [1] reported that methanoic acid could selectively adsorb onto fluorite surfaces in ... At the end of flotation process, results aimed were not attained, and flotation yield was low. Approximately 12 % of fluorite passed into the concentrate ...

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Fluorite by Flotation in Pneumatic (Modified Hallimond …

 · Flotation tests showed that the best results in terms of fluorite metallurgical recovery were 82.8% and 87.9% for new collectors DP-I and DP-II respectively, for a dosage of 100 g/t and using pneumatic cell. Additionally, in terms of fluorite grade, DP-I showed the best results, achieving 79.7% of CaF2 in roughing step for a dosage of 100 g/t ...

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Control of fluorite flotation by an electromagnetic field

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REGULARITIES OF HYDROPHOBISATION AND …

 · AND FLOTATION OF FLUORITE** As a result of thermodynamic analysis of fluorite–sodium oleate–water system, flotation and adsorption tests at various pH values and sodium oleate concentrations, it has been established that regularities of fluorite flotation cannot be explained by the oleate of alkali-earth metals formation on its surface. The

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Flotation studies of fluorite and barite with sodium …

 · The flotation results showed that SPS performed well in a wide pH region (7–11) even at a low temperature (5 °C), while the flotability of fluorite and barite were almost the same. At pH 11, the presence of SHMP obviously depressed fluorite rather than barite and SHMP exhibited good selective inhibition to fluorite.

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IMPROVING FLUORITE FLOTATION UNDER LOW …

 · The experimental results showed that YF collector has high selectivity in the flotation of fluoride for low-grade fluorite ores. The use of the YF collector also made it unnecessary to heat the pulp to a high temperature and achieved an acceptable reduction in the flotation temperature to 1 3 ∘ C.

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Flotation separation of fluorite from calcite using …

 · Abstract Flotation separation of carbonate fluorite ore is a puzzle in mineral processing. In this study, the flotation separation of fluorite from calcite using polyaspartate (PASP) as depressant and sodium oleate (NaOL) as collector was investigated, and the adsorption mechanism was analyzed by zeta potential measurement and infrared spectrum …

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8 Factors Affecting Fluorite Flotation Process - Mining-pedia

 · Fluorite is one of the common non-metallic minerals, the chemical formula is CaF 2.It is widely used in metallurgy, chemical engineering, ceramics, glass, casting and other industries. Common fluorite beneficiation methods mainly include manual selection, gravity separation and flotation, among which flotation is the most used. There are 8 main factors affecting the fluorite …

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Fluorite particles as a novel barite depressant in terms of ...

 · In the current flotation test, fluorite particles and sodium fluoride are efficient depressants for barite but not for scheelite. These results suggest that fluorite ions released from fluorite are crucial to the separation of barite and scheelite.

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Froth flotation of fluorite: A review - ScienceDirect

 · Flotation results using AK-2 showed that a significant improvement in fluorite flotation was achieved, compared to that when using the single oleic acid collector. In addition, the combination of anion and cation collectors, such as the mixed collector of oxidized paraffin soap and N-alkyItrimthylene diamine, can selectively separate fluorite ...

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Summary of Fluorite Ore Flotation Process

 · 2 Flotation Processes of 4 types of associated fluorite. Just as is the case with almost ore processing and non-metal beneficiation, the concentrate fluorite is extracted by crushing, sieving, grinding, grading, flotation, filtration, …

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Flotation Research of a Fluorite Ore | Scientific.Net

Separating fluorite from quartz and calcite by forth flotation can be both in weak-acidized (pH 6.0) condition and weak alkali (pH 9.0) condition. The experiment results have shown that ZnSO4 can decrease the depression that water glass works on the fluorite, and acidized water glass has a selective inhibition on the silicate minerals. The close flowsheet protocolled in the experiment …

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Flotation concentration of a low-grade fluorite ore from …

 · with the best results showing that 86 percent of the fluorite oould be collected in a product which assayed nearly 66 psrcent fluorite. These results were achieved with a very simple flow one stage of oleaner flotation. It seems obvious that sheet which consisted of grinding, rougher flotation and only

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Flotation studies of fluorite and barite with sodium …

The flotation results showed that SPS performed well in a wide pH region (7–11) even at a low temperature (5 °C), while the flotability of fluorite and barite were almost the same.

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The complex behavior of fatty acids in fluorite flotation

 · fluorite in an open system were worked out and the results are presented in Figure 3. Mineral/reagent interactions under flotation conditions generally do not approach equilibrium, but the speciation results given in Figures 1-3 provide a means for interpreting the flotation behavior of fluorite with palmitic acid. Figure 3.

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Flotation Behavior of Different Colored Fluorites Using …

 · In addition, the flotation results of the tailings from Jiangxi containing fluorite and calcite, indicated that the grade and recovery of fluorite increased from 87.18% and …

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Column flotation of multiple products from a fluorite ore

 · Acid-grade fluorspar, mica, free silica (sio2) sand, and low-grade beryl (be3al2si6o18) concentrate were produced in a 100-lb/h continuous column flotation unit (ccfu). The highest results achieved were 96.6-Pct caf2 recovery in a first cleaner concentrate containing 99.7 pct caf2. Beryl recovery was as high as 92 pct at a grade of 5.3 pct beo.

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Control of fluorite flotation by an electromagnetic field

 · Control of fluorite flotation by an electromagnetic field. J -M Thiebaut, J -P Vaubourg and G Roussy. Journal of Physics D: Applied Physics, Volume 22, Number 1. Download Article PDF. Figures. ... Dielectric measurement results are interpreted in terms of physico-chemical interactions between the surface of the solid and the liquid. Electrical ...

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Utilization of water glass as a dispersant to improve the ...

 · The flotation results of artificially mixed minerals showed that the separation efficiency of fluorite from barite was significantly reduced when barite existed as slimes. However, the presence of WG could eliminate the negative effect of barite slimes on the flotation fluorite by using the reagents scheme of GS/NaOl.

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The Improvement Effect of Dispersant in Fluorite Flotation ...

 · Fluorite is an important strategic mineral. In general, fluorite ores will contain a certain amount of calcite gangue mineral. Thus, they need to be …

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Flotation Fluorite Summary

 · The flotation of fluorite mineral from ores by using acidized water glass as depressant has been studied for substitution of the commonly used depressant. it was found that the acidized water glass could achieve higher selectivity of fluorite minerals against gangue minerals in the fluorite flotation. the experimental results showed that yf.

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The Improvement Effect of Dispersant in Fluorite Flotation ...

 · Different dispersants were added in the dispersion process to improve the efficiency of fluorite flotation. The types and dosage of dispersant on the improvement of fluorite flotation were investigated; when the sodium polyacrylate (SPA) was used as the dispersant and its addition is 0.5%, the concentrate grade of CaF 2 increased from 90% to 98% and …

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Effect of Mineral Dissolution on Flotation Behavior of …

The effect on the flotation behavior of fluorite and calcite from dissolved ions in slurry was investigated by flotation test at pH 9. Flotation results show that the flotation of fluorite in calcite supernatant is obviously depressed with the low concentration of sodium oleate, and fluorite can be re-floated with the high concentration sodium oleate.

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The Effect of Oleic Acid Emulsification using SPE on …

 · Results and Discussion Micro-Flotation Results In the collector OA system, the flotation results of fluorite and dolomite in the absence and presence of SPE as the emulsifier as a function of pH are showed in Figure 5. In the absence of SPE, Figure 5 shows that the fluorite recovery increases with the increase of pH. A maximum of

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Flotation Separation of Scheelite from Fluorite …

 · The depressing properties of sodium polyacrylate (PA-Na) for scheelite and fluorite were studied by micro-flotation tests, infrared spectroscopy (IR), zeta potentials, X-ray photoelectron spectroscopy (XPS), and density …

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Influence of Pulp pH on Flotation of Fluorite and Calcite

As is shown in the results, the point of zero charge (PZC) of fluorite is pH=9.5 and the PZC of calcite is pH=8.5. The optimum pulp pH of the flotation of fluorite and calcite is determined as 9.5~10 and 8~9 respectively. pH value should be controlled above 9 to depress calcite. Finally, 9.5~10 was determined as the optimum pH to float the ...

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Flotation studies of fluorite and barite with sodium …

 · Results and discussion 3.1. Flotation of fluorite and barite with SPS The effect of pH value on the flotability of fluorite and barite is illustrated in Fig. 2. The results stated that the recover-ies of both fluorite and barite increased drastically when pH was increased from 2 to 7, while there still being relatively high

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4 Steps to Process Complex Low-grade Fluorite Ore

 · Under the condition of 87% of grinding particle size is -0.074mm, we adopted the fluorite flotation process. The flotation temperature was 36-25°C. H111 collector was added in the rough, secondary and fourth concentrations. ... Fluorspar beneficiation result: The fluorite recovery rate is 83.13% and the concentrate grade is 97.78%.

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