Theoretically, calcite and muscovite are easy to be separated by flotation using anionic collectors, such as oleate and its derivatives [[9], [10], [11], [12]].However, in practice, a part of vanadium-bearing muscovite is lost along with the flotation of calcite, and finally reduces the total recovery of vanadium [4, 13, 14].The main reason for this phenomenon might be …
WhatsApp: +86 18221755073In this work, we investigated the enhancement mechanism of muscovite flotation by adding Pb 2+ by means of DFT and MD simulations. FTIR spectra and AFM results confirmed …
WhatsApp: +86 18221755073The flotation separation tests were performed by XFD single cell flotation machine (Changchun Prospecting Machinery, China) with 1500 mL cubage of cell for rougher flotation, and for cleaner flotation was 0.75 dm 3. Froth flotation tests of lepidolite were carried out at temperatures of 25 °C, using Amine-based Gemini surfactant HBDB and ...
WhatsApp: +86 18221755073The introduction of NBs can enhance the flotation of fine muscovite, which provide a cost-effective approach for the fine particle flotation. ... The two problems significantly reduce equipment ...
WhatsApp: +86 18221755073Lab-scale flotation tests were conducted on a muscovite ore (9.1 wt.% muscovite) from an industrial mine to determine the effect of varying concentrations of collector and depressant.The feed was wet ground in a laboratory rod mill at 50% solids for 22.5 min to produce a P 80 of 106 μm (Fig. 1). The cell used was a 3 L Denver flotation cell with several …
WhatsApp: +86 18221755073Single mineral flotation was carried out in XFGC hanging cell flotation machine. Keep the stirring speed at 2000 rpm. The conditioning time and order of the reagent additions were shown in Fig. 3.In the flotation, there were two treatment methods for muscovite samples, and it was NBs treatment and without NBs treatment.
WhatsApp: +86 18221755073Compared with a single surfactant, mixed anionic/cationic surfactants provide better flotation performance in muscovite processing due to synergistic effects in solid–liquid systems [1], [9].In recent years, an increased amount of effort has been devoted for investigating the adsorption mechanism of mixed anionic/cationic surfactants on muscovite.
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WhatsApp: +86 18221755073However, muscovite flotation cannot be widely applied because of its numerous shortcomings, such as sensitivity to metal ions, adverse environmental effects, and strong corrosion effect on flotation equipment [6,10]. In addition, the high sensitivity and poor selectivity of amines decrease the flotation indexes of muscovite [8,11,12,13 ...
WhatsApp: +86 18221755073Flotation Equipment. Flotation Machine; Mixing tank; Leaching Tank; Other Mining Equipment. Attrition Scrubbers; Belt Scales; Coal Pulverizer; ... black biotite, brown phlogopite, and clear muscovite. Relation to Mining. …
WhatsApp: +86 18221755073This work focused on the removal of calcite from the decarburized stone coal using flotation.The influence of Al 3+, Fe 3+, and Ca 2+ on the flotation behavior of muscovite and calcite was studied by micro-flotation experiments, aqueous speciation calculation, zeta potential and XPS measurements. The micro-flotation results showed that the Ca 2+ exhibited little …
WhatsApp: +86 18221755073Many studies have also aimed to solve the fine-particle flotation problem by exploiting microbubble flotation equipment; for instance, ... the exposed crystal-surface types of fine minerals are also important factors affecting fine-particle flotation. Moreover, as muscovite has a typical dioctahedral crystal structure, the atoms arranged in ...
WhatsApp: +86 18221755073However, the strong acid pulp in the flotation process is likely to cause environmental pollution and strong corrosion of flotation equipment (Bayraktar et al., 1997). Moreover, amines exhibit a high sensitivity and poor selectivity for slimes, which are prone to produce abundant in the flotation, resulting in the decrease of the muscovite ...
WhatsApp: +86 18221755073With the increasing demand for mineral resources, it is necessary to further recycle some fine muscovite which are not of high quality and discarded after the first development. This study was to improve the recovery of fine muscovite (-20 μm) by introducing of nanobubbles (NBs). A series of techniques including flotation test, mineral adsorption capacity measurement, Zeta potential ...
WhatsApp: +86 18221755073Muscovite mica is an industrial mineral used in many different applications including coatings, construction materials and polymers. This mineral is commonly beneficiated using froth flotation ...
WhatsApp: +86 18221755073Sericite is a fine grained muscovite mica, which is widely distributed in nature. It commonly occurs in many base metal ores, where it can become a major diluent in the concentrates produced from these ores, as well as in igneous rocks. It can be strongly recovered in flotation froths under circumstances where it is both wanted and unwanted.
WhatsApp: +86 18221755073Selective flotation of muscovite from a material containing muscovite (15.4%), biotite (13%), and siliceous gangue (quartz and feldspar), using a mixed collector system of sodium oleate and dodecylamine acetate has been described. Muscovite is found to float in preference to biotite, when the pulp is initially conditioned with oleate followed by amine at basic pH values. …
WhatsApp: +86 18221755073Flotation separation stage: One is to use anionic collectors to flotation mica in acidic medium, and the other is to use anionic collectors to recover fine-grained mica in alkaline medium.
WhatsApp: +86 18221755073This work reveals atomic-level mechanism of Fe ion on the dispersion of sodium oleate in pulp, which is helpful to the understanding of the enhancement mechanism of metal …
WhatsApp: +86 18221755073In order to provide theoretical basis for the flotation separation of muscovite and quartz, the flotation performance and Zeta potentials of pure muscovite and quartz were investigated using dodecylamine and sodium oleate in the presence of Ca 2+, Mg 2+, Fe 3+ and Al 3+ .The results indicated that metal ions could increase the Zeta potential of muscovite and …
WhatsApp: +86 18221755073Correspondingly, equipment for fine-particle flotation is -egorized as microbubble release flotation machine, centrifugal flotation column, packed flotation column, and magnetic flotation machine. In practice, microbubble flotation has been widely studied in the beneficiation of ultrafine coals, metallic minerals, and nonmetallic minerals and
WhatsApp: +86 18221755073In the published literature focusing on muscovite flotation, the maximum flotation response with dodecylamine, a widely used collector, has been shown to occur around pH 8 [36], [44]. Adsorption of anionic and mixed cationic/anionic collectors on muscovite and the corresponding flotation response has also been examined [5], [24], [33], [45], [46].
WhatsApp: +86 18221755073In recent years, fluorine-free flotation has been developed to separate muscovite with quartz [6, 7], but the flotation technique is only suitable for separating liberated ores, although ...
WhatsApp: +86 18221755073The lepidolite and muscovite were separated to obtain a Li pre-concentrate assaying 3.5 % Li 2 O from a feed grade containing 1.8 % Li 2 O. Nevertheless, according to the zeta-potential measurements, the flotation test performed with the finer-sized fraction (–210 + 63 μm) showed that lepidolite flotation was optimised between pH 3 and 5.
WhatsApp: +86 18221755073The flotation results indicate that the recovery of muscovite rapidly decreases when the pH increases in the presence of only DDA, whereas the recovery of muscovite is high (> 77%) over a wide range of pH in the presence of the mixed DDA/OCT surfactants with a ratio of 2/1. Contact angle measurements further confirm that the mixture displays a ...
WhatsApp: +86 18221755073Muscovite is a hydroaluminosilicate mineral with a layered structure that can be formed under different geological conditions and is the most widely distributed mineral in the mica group [1].
WhatsApp: +86 18221755073Flotation Properties of Muscovite Jiayan Tang 1, Yimin Zhang 1,2,3,* and Shenxu Bao 1,2 1 School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070,
WhatsApp: +86 18221755073The flotation results indicate that the recovery of muscovite rapidly decreases when the pH increases in the presence of only DDA, whereas the recovery of muscovite is high (> 77%) over a wide ...
WhatsApp: +86 182217550733.1 Flotation behaviors of muscovite and quartz with three kinds of amine collectors The flotation recoveries of muscovite and quartz with DDA, TTA and DTAC as a function of pH are shown in Fig. (1). The concentration of each collector was 1×10-4 mol/L. It is evident from Fig. 1(a) that the flotation recoveries of muscovite using DDA and TTA
WhatsApp: +86 18221755073pollution and strong corrosion of flotation equipment (Bayraktar et al., 1997). Moreover, amines exhibit a high sensitivity and poor selectivity for slimes, which are prone to produce abundant in the flotation, resulting in the decrease of the muscovite grade (Al-Thyabat, 2012).
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