Difficulties and Recent Achievements in Flotation Separation …
According to the different associated minerals, fluorite deposits in the world can be mainly assorted into four types: quartz-type, calcite-type, barite-type and polymetallic …
Understanding the sequential flotation separation of fluorite…
DOI: 10.1016/j.ces.2023.119608 Corpus ID: 265697228; Understanding the sequential flotation separation of fluorite, barite and calcite through the AFM adhesion force @article{Yu2023UnderstandingTS, title={Understanding the sequential flotation separation of fluorite, barite and calcite through the AFM adhesion force}, author={Jiang Yu and Tianguo …
Effect of ultrasonic treatment on flotation of calcite, barite and quartz
The effects of ultrasonic waves on the flotation of calcite, barite and quartz have been investigated in the case of single and mixed minerals.
Assessment of the selective flotation of calcite, apatite and quartz …
Assessment of the selective flotation of calcite, apatite and quartz using bio-based collectors: Flaxseed, nigella, and olive oils. ... Implication and collecting mechanism of emulsified sodium vegetable oleate on fluorite flotation. Physicochem. Probl. Miner. Process., 54 (2018), pp. 211-219, 10.5277/ppmp1802. Google Scholar. Sun et al., 2022.
Efficient selective flotation separation of fluorite from calcite …
The combination of Fe 2+ /Fe 3+ sulfate was used as selective depressant for the flotation separation of fluorite and calcite.. Ferrous and ferric species were in-situ generated on calcite surface to hinder the adsorption of NaOL. • Fluorite concentrate with CaF 2 grade of 80.29 % and recovery of 90.79 % was obtained using 1:1 mixed minerals.
Flotation behavior and mechanism of styrene phosphonic …
@article{Liu2021FlotationBA, title={Flotation behavior and mechanism of styrene phosphonic acid as collector on the flotation separation of fluorite from calcite}, author={Jie Liu and Ruiqi Xie and Yimin Zhu and Yan-jun Li and Chang Liu}, journal={Journal of Molecular Liquids}, year={2021}, volume={326}, pages={115261}, url={https://api ...
Understanding the depression mechanism of citric
Semantic Scholar extracted view of "Understanding the depression mechanism of citric acid in sodium oleate flotation of Ca2+-activated quartz: Experimental and DFT study" by Yunfan Wang et al. ... Effect of a CA depressant on flotation separation of celestite from fluorite and calcite using SDS as a collector. Xiaobo Zeng Longhua Xu Jia Tian W ...
Flotation Research of a Fluorite Ore
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.
How Fluorite Is Separated From Four Common Gangue Minerals By Flotation
The separation of Fluorite from Calcite, Quartz, Barite, and Sulfide Ore through the flotation method is a challenging but crucial process in the mineral processing industry.
The combined application of Na2SiO3 and Mn2+ enhancing the flotation
Yao et al. [23], [24], [25] studied the flotation separation of fluorite, scheelite, and calcite by Pb 2+ and Na 2 SiO 3 as well as Zn 2+ and Na 2 SiO 3. They deduced that the metal silicate products generated by Pb 2+ and Zn 2+ with Na 2 SiO 3 adsorb on the surfaces of calcite and fluorite and delay the adsorption of NaOL. However, scheelite ...
Selective flotation separation of fluorite and calcite by …
However, fluorite is frequently associated with quartz, barite, calcite and kaolinite. Their similar surface properties lead to difficulty separating fluorite from calcium-bearing gangue minerals, particularly calcite. ... This study introduced a novel anionic/non-ionic collector for the selective flotation separation of fluorite and calcite ...
Flotation separation of fluorite from calcite by a new …
DOI: 10.1007/s11771-023-5282-z Corpus ID: 258336809; Flotation separation of fluorite from calcite by a new depressant curdlan and its mechanism @article{Han2023FlotationSO, title={Flotation separation of fluorite from calcite by a new depressant curdlan and its mechanism}, author={Wen-jie Han and Yi Min Zhu and Wenxu Ge and Jie Liu and Yanjun Li …
A review of reagents applied to rare-earth mineral flotation
Barite Fluorite Calcite Quartz: Modified: Sodium silicate d: 9: Ren et al. [75] ... Flotation work on the Montviel deposit is limited, and as REM in this ore are difficult to define there exists little understanding of each mineral's exact response to hydroxamates, although, high REE recoveries have been obtained using Aero 6493 (an ...
The application and mechanism of high-efficiency …
Fluorite and calcite were separated with nitrilotriacetic acid (NTA) as a depressant. The single mineral flotation experiment confirmed that with 40 mg/L NaOL and 80 mg/L NTA, the fluorite recovery … Expand
Comparison Between Performance of Fluorite …
Fluorite is an important industrial mineral composed of calcium and fluorine (CaF2). This mineral is widely distributed through different …
The effect mechanism of calcite or quartz particles towards …
Using 1-octadecyl ester-1, 2-benzenedicarboxylic acid (OEBA) as a collector, the flotation separation of fluorite, calcite and barite was investigated in this paper. The micro-flotation results showed that OEBA efficiently floated out fluorite and barite from calcite at pH ∼ 9.0, and barite from fluorite at pH ∼ 11.0.
Flotation behavior and mechanism of styrene phosphonic acid …
The greatest difference of recovery between fluorite and calcite was achieved at pH 6.0, at which the recovery of fluorite and calcite was 98.79% and 13.73% respectively. Download : Download high-res image (145KB) Download : Download full-size image; Fig. 2. Effect of pH on the recovery of fluorite and calcite.
Selective flotation separation of fluorite from calcite using …
Compared with calcite, fluorite is insensitive to the concentration of the salted water glass, and the recovery of fluorite remains around 85%. The results show that the flotation separation of fluorite from calcite can be achieved at pH 11. Download : Download high-res image (265KB) Download : Download full-size image; Fig. 5.
Froth flotation of fluorite: A review
High-grade fluorite is the primary source of hydrofluoric acid. Due to the increasing demand flotation, the central processing technique to obtain high-grade fluorite, has attracted extensive attention. However, due to gangue minerals associated with fluorite, such as …
Combined inhibitors of Fe3+, Cu2+ or Al3+ and sodium …
Fluorite ore, as an essential raw material in the fluorinated chemical industry, required effective separation and purification. The removal of impurities such as quartz becomes the key point in fluorite flotation.In this work, the fluorite flotation tests via adding the different mass ratios of metal ions (Fe 3+, Cu 2+, Al 3+) and sodium silicate (SS) as a combined …
Effects of the calcite on quartz flotation using the reagent …
DOI: 10.1016/j.colsurfa.2019.123983 Corpus ID: 203937396; Effects of the calcite on quartz flotation using the reagent scheme of starch/dodecylamine @article{Deng2019EffectsOT, title={Effects of the calcite on quartz flotation using the reagent scheme of starch/dodecylamine}, author={Jie Deng and Siyuan Yang and Cheng Liu and …
Froth flotation of fluorite: A review
Finally, the most widely seen fluorite-flotation cases, including separation of fluorite from quartz, calcite, barite, and sulfide, are summarized individually. The present review sheds new light on the deep understanding of fluorite flotation, the future synthesis of reagents, as well as their schemes in practical use.
Flotation separation of fluorite from calcite using bis …
For artificially mixed minerals, the recovery of element F was represented as the total recovery of fluorite, and the recovery was calculated using equation (1). Besides, the …
The effect mechanism of calcite or quartz particles towards …
2.2. Micro-flotation test. An advanced Hallimond tube was chosen in the micro-flotation experiments, and 2 g minerals (bastnaesite, calcite, quartz, bastnaesite-calcite or bastnaesite-quartz mixture with a mass ratio of 1:1) with the particle size distribution from 38 to 74 μm were used in each test following the reported procedure (Liu et al., 2016).
Effects of the calcite on quartz flotation using the reagent scheme …
The roles of calcite slimes on the quartz flotation using corn starch as the depressant and dodecylamine (DDA) as the collector were studied though micro-flotation tests, zeta potential measurements and DLVO theory calculations. ... This study provides guiding significance not only for the beneficiation of hematite but also for the fluorite in ...
The exploration of tannin extract as a green depressant in …
Microflotation results showed that the high recoveries of both fluorite and calcite flotation could be obtained when the NaOl was over 38 mg/L; the addition of > 50 mg/L TE could completely depress the floatability of calcite while it slightly affected the flotation recovery of fluorite. ... Tannin: An eco-friendly depressant for the green ...
Overview of Fluorite Resources and Processing …
The key technical problems of fluorite separation, such as flotation separation of fluorite and calcite, low temperature flotation reagents, and the influence of ions in pulp, were discussed. ... YUAN Q Z, et al. Experimental study on flotation …
An Overview of Calcite Recovery by Flotation
Schubert H, Baldauf H, Kramer W, herr J (1990) Further development of fluorite flotation from ores containing higher calcite contents with oleoylsarcosine as collector. Int J Miner Process 30:185–193. CAS Google Scholar Scott J, Smith RW (1991) Diamine flotation of quartz. Miner Eng 4:141–150
Flotation separation of quartz and dolomite from …
Through this interaction, the adsorption amount of the collector on fluorapatite surface is obviously more than that on the dolomite surface. Hu et al. [30] studied the flotation characteristics of a novel amphoteric collector (BBAP) for fluorite, calcite, scheelite, and apatite. The results show that apatite can be effectively separated from ...
An Overview of Calcite Recovery by Flotation
Schubert H, Baldauf H, Kramer W, herr J (1990) Further development of fluorite flotation from ores containing higher calcite contents with oleoylsarcosine as collector. …
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