Experimental Research on Recovery of Fluorite from a …
Publish Date: 25 December 2022. Abstract. Flotation tailings of a polymetallic mine in Inner Mongolia contain fluorite resources. Due to the influence of the tungsten-tin flotation reagent and the ore embedded characteristics in the early stage, the fluorite flotation concentrate grade is up to 92%, and the recovery is about 30%.Web
اقرأ أكثرFlotation separation of scheelite from fluorite by using DTPA as a
The selective separation of scheelite from fluorite is difficult because of their similar surface properties. In this study, diethylenetriaminepentaacetic acid (DTPA) was used as a novel depressant for the efficient removal of fluorite from scheelite, and its depression effect and mechanism were systematically investigated by conducting micro …Web
اقرأ أكثرBeneficiation method for multi-impurity low-grade refractory fluorite
The invention discloses a beneficiation method for multi-impurity low-grade refractory fluorite tailings, which comprises the following steps: a. making the tailing ore into ore pulp with the fineness of-200 meshes accounting for more than 90 percent; b. roughing is carried out at normal temperature to obtain rough concentrate with fluorite grade of 60%; c. one …Web
اقرأ أكثرPreconcentration of Iron, Rare Earth, and Fluorite from
Table 3 shows the main minerals with different magnetite properties; it can be seen that the main rare earth minerals in the ore samples are bastnaesite and monazite, which are both paramagnetic minerals; magnetite and hematite are ferromagnetic minerals, and other iron-bearing minerals exhibit paramagnetic properties. Gangue minerals …Web
اقرأ أكثرSeparation of Iron and Rare Earths from Low-Intensity …
4) and fluorite (CaF 2), which can be removed by grinding and reverse flotation fluorite to obtain a high-grade iron concentrate. The REO grade of magnetic separation tailings is 11.98 %, and its recovery rate is 97.96 %. Consequently, rare earth can be effectively extracted and separated after the subsequent flotation-leaching process ...Web
اقرأ أكثرComprehensive Utilization Status of Associated Fluorite …
This paper reviews the achievements of many scholars, introduces the reserves, distribution and characteristics of fluorite resources and rare earth associated …Web
اقرأ أكثرFroth flotation of fluorite: A review
Numerous experimental measurements of the fluorite solubility constant in water have been conducted, and a compilation of fluorite pK sp θ values can be seen in …Web
اقرأ أكثرEvaluation of the influence of the dispersion-sludge …
tailings contain from 13 to 23% fluorite, 12-14% calcite. The characteristic is given to the technological features of raw materials. The fluorite grains present in the technogenic …Web
اقرأ أكثرInvestigation of the Flotation Separation of Scheelite from Fluorite
By processing the fluorite surface with PD, the spectral peak of N becomes more potent than that of scheelite. Furthermore, the strength of the spectral peak of C improves more significantly than that of bare fluorite. Table 2 presents the atomic proportions of O, F, Ca, and C, which are 2.41%, 43.62%, 24.96%, and 29.01%, …Web
اقرأ أكثرGeoenvironmental Characterization of Sulfide Mine Tailings
In turn, the upper tailing unit of Las Moreras shows much lower pH values (2.8–5.6), due to the sulfide content and the complete absence of calcite. 4.2.3 Waters The composition of leakage sample waters of a restored mine pond (Mina Concepción) indicates that these waters represent acid mine drainage, as reflected by their very low pH (<2.6 ...Web
اقرأ أكثرSintered glass-ceramic s from fluorite tailings and waste …
The main component in fluorite tailings and waste glass is SiO 2, with composition ranging from 70 % to 75 %. This indicates that fluorite tailings and waste …Web
اقرأ أكثرCN107138271A
The invention discloses a kind of method that fluorite is reclaimed from white Tungsten tailing, this method mainly uses the united technique of gravity-floatation, first by the table concentration technique of thick four essence, is stripped of scheelite, barite mineral in white Tungsten tailing, is enriched with fluorite mineral;Then the floatation process swept by …Web
اقرأ أكثرA novel flotation scheme: selective flotation of tungsten
The pH was adjusted with NaOH or HCl stock solutions. Deionised water was used throughout the flotation experiments of the pure materials. Tables 1 and 2 summarise the contents of the ore and phases of tungsten minerals found in Shizhuyuan Mine. The tungsten minerals are scheelite and wolframite, which are associated with garnet, …Web
اقرأ أكثرA novel scheme for flotation tailings pulp settlement and chemical
The new technology has been successfully applied in Shizhuyuan plants. In most of the mining industries, lime is widely used to settle flotation tailings pulp. …Web
اقرأ أكثرComprehensive Utilization Status of Associated Fluorite …
The development and utilization of associated fluorite resources can effectively alleviate the problems of low grade and insufficient reserves of single fluorite deposit. Fluorite is widely ...Web
اقرأ أكثرOn-stream mineral identification of tailing slurries of tungsten
On-stream mineral identification of tailing slurries of tungsten via NIR and XRF data fusion measurement techniques . Qingya Wang, abc Fusheng Li ... such as scheelite and fluorite or gangue minerals, since they have different flotation properties. The primary focus of this research is the measurement of mineral contents from the elemental ...Web
اقرأ أكثر(PDF) Iron Ore Tailings: Characterization and Applications
Currently, approximately 1.4 billion tons per year of iron ore tailing wastes (IOT) are generated, mainly in Australia, Brazil, and China. This work describes the characterization and application ...Web
اقرأ أكثرFlotation of fluorite from ores by using acidized water glass as
Fluorite flotation tests were carried out with the actual and new schemes. Fig. 2 showed the photographs of the tailing slurries after being settled for 96 h from the flotation test with the actual scheme and being settled for 2 h from the test with the new scheme. With the actual scheme (Fig. 2 a), 96 h of sedimentation did not produce clarified water in …Web
اقرأ أكثرPreparation process of diopside-based glass-ceramics …
Diopside-based glass-ceramics are successfully produced by recycling blast furnace slag and fluorite tailing with the addition of supplementary elements such as TiO2, Fe2O3 and Cr2O3 as nucleation ...Web
اقرأ أكثرUtilisation of 1-Hydroxyethylidene-1, 1
The chemical analysis results of scheelite, calcite, and fluorite are presented in Table 1, and their purity are 96.08%, 98.36%, and 99.31%, respectively. The X-ray diffraction (XRD, Rigaku D/max 2500, ... The concentrate and tailing products were filtrated, dried, and weighed to calculate the recovery using the Eq. ...Web
اقرأ أكثرMinerals | Free Full-Text | Selective Separation of Fluorite from
A new collector SDAA was applied to the selective reverse flotation of fluorite from scheelite. The results of minerals flotation tests showed that under the 1.6 × 10 −5 mol/L SDAA at pH 7.0, the selective separation of fluorite against scheelite could be achieved and both high-grade scheelite tailing and fluorite concentrate could be ...Web
اقرأ أكثرSintered glass-ceramic s from fluorite tailings and waste …
Fluorite ore resources are widely distributed in South Africa, Mexico and China, and their total reserves exceed 240 million tons [1]. Fluorite tailing is a typical industrial solid waste generated during the fluorite ore flotation process and is mainly composed of CaO, SiO 2, Al 2 O 3 and CaF 2. The inappropriate disposal of fluorite …Web
اقرأ أكثرfluorite tailing sampling
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اقرأ أكثرSeparation of Iron and Rare Earths from Low‐Intensity Magnetic
Remaining fluorite (CaF 2) ... (LIMS tailing). The research focuses on investigating the impact of affecting parameters such as roasting temperature, magnetic field strength, slurry flow rate, and slurry concentration on the separation efficiency of iron and rare earth. ... Furthermore, This can be seen from Tables 4 and 5 that the REO and Sc 2 ...Web
اقرأ أكثرSeparation of Iron and Rare Earths from Low‐Intensity Magnetic
The main gangue species was fluorite with small amounts of dolomite and amphibole. ... Figure 1 and Table 2 ... The possibility of iron extraction from flotation tailing containing 21.86% iron and ...Web
اقرأ أكثرVitrification of blast furnace slag and fluorite tailings for giving
Blast furnace slag and fluorite tailings were vitrified into fluorapatite based glass-ceramics. • The addition of fluorite tailings will bring the enhancement of …Web
اقرأ أكثرThe efficient utilization of low-grade scheelite with X-ray
On completion of flotation, the concentrate and tailing were gathered, dried in the oven separately, and then assayed the WO 3 content to calculate the recovery. Fig. 3. The flowsheet of condition tests. ... calcite and fluorite) are displayed on Table 9. As shown in Table 9, the adsorption amount of mixed collector on scheelite (5.74 × 10 ...Web
اقرأ أكثرCN109821649A
The present invention discloses a kind of method that fluorite is sorted in rare-earth tailing, belongs to Ore Dressing Engineering field.Wherein the method includes the one smart table concentration of thick seven cleaner flotations-magnetic separation-one thick two of bulk flotation-fluorite, CaF may finally be obtained 2 The fluorite concentrate of grade …Web
اقرأ أكثرThe Role of Water Glass in the Flotation Separation of Fine Fluorite
At the same time, the actual flotation tests on fluorite-quartz ore showed that the grade of fluorite can increase from 19.26% to 25.99% with increasi ng the WG modulus from 1.0 to 3.5 in the absenceWeb
اقرأ أكثرVitrification of blast furnace slag and fluorite tailings for giving
Fluorite tailings (FT) is an industrial waste generated from the flotation process of fluorite ore. The improper disposal would cause potential metallic and …Web
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