Optimization of High-grade Fluorspar Recovery from Rare
Using magnetic separation before the flotation improves the final content of fluorspar in the concentrate with the final grade of 94.4%. ... (Mt), followed by Mexico and China, with estimated reserves of 32 and 24 Mt, respectively. The global production of fluorspar was ... such as quartz and feldspar, sodium silicate can be used for pH ...
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Feldspar Beneficiation & Flotation Process
Beneficiation by Flotation of feldspar is well established. It is a simple matter by flotation to remove the contaminating impurities and keep the alumina (Al2O3) …
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Research Progress in Flotation Separation of Quartz and Feldspar …
The main flotation methods for the separation of quartz and feldspar, such as hydrofluoric acid method, fluoride-free acid method and fluoride-free acid method, are reviewed in detail. It is pointed out that fluoride-free acid method and pretreatment enhanced flotation will be the key direction of technological development in the future.
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Selective flotation of K-feldspar from Na-feldspar in …
The K-feldspar flotation was performed in alkaline environment (pH 10.5–11.6) with only the addition of NaOH as a modifier and non-ionic Brij58 as a frother, on a fluorine-amine activated bulk feldspar concentrate from the preceding feldspar-quartz separation. The K-feldspar flotation resulted in a K-feldspar concentrate of 14.3% K 2 …
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Recovery of lithium from spodumene-bearing pegmatites: A …
Xu et al. [55] investigated the influence of a new type of mixed anionic/non-ionic collector, sodium oleate (NaOL) / dodecyl succinimide (DS), on the flotation separation of spodumene from feldspar. Micro-flotation results exhibited superior flotation separation performance while using the mixed collector at a molar ratio of 4:1.
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Effects and Mechanism of Fe3+ on Flotation …
The most common beneficiation method for feldspar is flotation with a cationic (amine) collector under acidic conditions. However, there are several disadvantages to this, such as environmental pollution …
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Understanding the role of sodium hydroxide in the selective flotation …
In our latest study, surface dissolution of minerals has been found to be important in the flotation of spodumene. This study provides further information in the role of NaOH in the flotation separation of spodumene from feldspar and quartz using size distribution analysis, micro-flotation experiments, AFM imaging, X-ray photoelectron …
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A novel approach for flotation recovery of spodumene, mica and feldspar
As our previous research shows, the pure sample of spodumene and feldspar was obtained from the Jiajika Lithium Mine, Ganzi District of Sichuan province, China (Tian et al., 2017a).After being handpicked, crushed, ground, and screened, the powder samples of spodumene and feldspar were screened to four size fractions (0–19, …
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Reverse flotation separation of quartz from phosphorite ore …
Multiple amine-typed surfactants are used as collectors for flotation separation of quartz from phosphate ore. Primary aliphatic amines (R-NH 2) ... 2.03% feldspar, 2.34% kaolinite, and 0.19% limonite by the results of mineralogy analysis. The chemical composition of phosphate ore is shown in Table 1. The samples and water for …
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Utilisation of sodium oleate/alkylamide collectors for the …
The flotation results indicated that the mixed collectors exhibited high flotation separation efficiency for fluorite and calcite. The recovery of the two minerals …
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The selective adsorption and flotation separation of …
DOI: 10.1016/j.colsurfa.2023.132363 Corpus ID: 261594784; The selective adsorption and flotation separation of spodumene from feldspar using a novel iron-group multiple ligand collector
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Flotation separation of feldspar from quartz using sodium …
The effect of feldspar's flotation separation from quartz in the flotation test of lithium mica flotation tailings (the actual minerals) using SF as the depressant was …
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Understanding the role of sodium hydroxide in the selective flotation …
Therefore, the flotation separation of spodumene from feldspar and quartz, may be achieved at a certain NaOH dosage. In order to examine the effect of NaOH on the flotation separation of spodumene from feldspar and quartz, the flotation of mixed minerals (spodumene:feldspar:quratz = 2:1:1, wt%) is carried out, and the results …
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Selective flotation separation of spodumene from feldspar …
These results indicate that a moderate amount of SA can effectively depress feldspar and has a minimal effect on the adsorption of DDA on the surfaces of spodumene. Therefore, the optimum reagent scheme for the flotation separation of spodumene from feldspar in the subsequent flotation tests was SA (30 mg/L) + DDA (0.2 mM).
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The role of alkaline earth cations in flotation separation of …
The flotation responses of quartz and feldspar with alkylsulfonates' collectors in the presence of some alkaline earth metals were studied. The activation mechanism in these systems is discussed in terms of hemimicellization and surface precipitation of neutral component of cation-sulfonate complex, e.g. Ca(OH)RSO 3.. …
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Effects and Mechanism of Fe3+ on Flotation …
These findings indicate that the flotation separation of feldspar and epidote can be achieved using Fe3+ and NaOL under natural pH. This study may provide a reference for the flotation mechanism of …
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A self-assembly mixed collector system and the mechanism …
1. Introduction. Flotation separation has been widely used in the process of ore dressing because of its high separation efficiency and economy (Chen et al., 2021a, Liu et al., 2021, Wang et al., 2021a, Xie et al., 2020b).Selectively adsorbing appropriate collectors on the surface of valuable minerals will enhance the difference in …
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Feldspar flotation as a quartz-purification method in …
Abstract. Cosmogenic nuclide (CN) dating relies on specific target minerals such as quartz as markers to identify geologic events, including the timing of landscape …
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Flotation behavior and mechanism of α-bromododecanoic …
Flotation behavior and mechanism of α-bromododecanoic acid as collector on the flotation separation of spodumene from feldspar and quartz. Author links open overlay panel Ruiqi Xie a b, Yimin Zhu a b, Jie ... 3D image of clean feldspar (c), 2D image of feldspar reacted with flotation reagents (d), figure of cross-section height of feldspar ...
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Selective flotation separation of spodumene from feldspar …
These findings demonstrated that the mixed NaOL/ND13 showed a good selective flotation separation of spodumene and feldspar under optimal pH conditions. The following sections will provide additional evidence to reveal the role of NaOL/ND13 on the selective separation behaviors of spodumene and feldspar flotation. 3.3. Zeta …
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Benzohydroxamic acid to improve iron removal from potash feldspar …
The technological mineralogy of the potash feldspar was investigated and a new collector named Yb105 was adopted to remove iron from potash feldspar ores. The technological mineralogy results indicate that the main components of the ore were feldspar, sericite, quartz and kaolinite, and iron mainly existed in limonite and hematite, most of which can …
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Selective Inhibition Mechanisms of Fe(III) in the Flotation of …
Lepidolite, crucial for lithium extraction, is primarily processed through flotation. However, conventional flotation inhibitors pose environmental challenges. This study introduces Fe(III) as a selective and eco-friendly inhibitor in lepidolite flotation. We investigated its impact on flotation performance and interaction mechanisms with …
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In situ adsorption of mixed collectors BHA/DDA in spodumene-feldspar
Flotation separation at pH 8–9 is found to be feasible for the efficient separation of spodumene from feldspar using the mixed BHA/DDA collector (at a molar ratio of 6:1). In this system, DDA first forms a complex with BHA through hydrogen bonding, which then adsorbs onto the mineral surfaces.
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Difference of solidophilic atoms in collectors: …
In this study, the flotation separation of spodumene from feldspar was achieved using mixed collector of sodium oleate (NaOL)/cetyl trimethylammonium bromide (CTAB). ... The primary source of lithium is spodumene, a mineral commonly associated with aluminosilicate minerals like feldspar. Flotation is widely regarded as the most …
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The comparison of non-hydrofluoric acid flotation methods …
With feldspar the entrained free quartz was first removed by additional selective flotation (without and with surface preparation) after which a combination of acid leach and magnetic separation ...
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Synergistic effect and co-adsorption mechanism of a
In this study, the flotation separation of spodumene from feldspar was achieved using mixed collector of sodium oleate (NaOL)/cetyl trimethylammonium bromide (CTAB). Micro-flotation experiments show that the selective flotation separation of the two minerals could not be achieved in the presence of single collector under the pH …
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Flotation behavior and mechanism of α-bromododecanoic …
A new collector α-BDDA was used to separate spodumene from feldspar and quartz.. Spodumene, feldspar and quartz recovery was 83.44%, 7.83% and 1.38% respectively. • A concentrate with recovery of 75.57% and Li 2 O grade of 5.77% was obtained.. Ca was the main active site on activated spodumene to react with α-BDDA.. …
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Synergistic effect and co-adsorption mechanism of a
In this study, an attempt to improve the selectivity of the flotation separation of spodumene from feldspar was made by using mixed NaOL/CTAB collector through micro-flotation tests. Bubble collision-attachment measurements were used to study the correlation between t TPC and flotation recovery.
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Difference of solidophilic atoms in collectors: …
In order to investigate the flotation effect of BAA on spodumene and feldspar, we compared it with NaOl. The flotation recovery of spodumene and feldspar in effect of collector type and concentration are shown in Fig. 6. Table 7 is the flotation separation results of spodumene and feldspar binary mixed minerals.
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Review of flotation of feldspar
This paper reviews the application of flotation for the separation of feldspar from the other minerals with which it naturally occurs (such as quartz, clay minerals, …
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