Recovering Fluorite from Kafang Copper-Tungsten Flotation …
The grade of fluorite in copper and tungsten flotation tailings is as high as 31.98%, the fluorite is coarse medium grain embedded, and the liberation degree is more than 95%. …
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Column flotation of high grade fluorite without wash water …
The present paper presents the results of fluorite flotation carried out on a column cell without wash water addition. Concentrate flow was obtained by making tailing flows smaller than feed …
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Use of Al2(SO4)3 and acidified water glass as mixture …
To cope with the increase of sulfate gangue minerals in fluorite ores, flotation separation of fluorite from calcite and celestite using Al 2 (SO 4) 3 and acidified water glass (AWG) as mixture depressants was studied in this paper. The flotation separation performance and underlying mechanism were studied by flotation experiments, zeta potential …
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(PDF) Investigation of flotation parameters for copper recovery …
This study aimed to recover cobalt using tailings of the Küre flotation plant, which were determined to contain 0.17% Co. Flotation tests were conducted on samples taken from the tailings to ...
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A Study on Molecular Mechanics Analysis Flotation Collector …
Recently, the natural mineral resources became short. In the process of fluorite floatation and tailing recycling, the key point is to find out collectors which have good selectivity to fluorite and effective inhibitor of gangue. Most reagents primarily come from agricultural byproduct and some chemical byproduct. However, the tailing mineral is complex and difficult to collect, which …
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(PDF) Flotation of fluorite from ores by using …
The flotation of fluorite from ores by using acidized water glass (AWG)as depressant has been studied for the substitution of the commonly used depressant (soda ash plus sodium lignosulfonate).
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Optimization of High-grade Fluorspar Recovery from Rare
Fluorite (calcium fluoride—CaF2), also known as fluorspar, is an industrial mineral used in metallurgy, hydrofluoric acid production, and ceramics manufacturing. Based on the results from a previous study, a low-grade fluorspar by-product (20.0% CaF2) originating from the exploitation of a rare earth carbonatite deposit can be improved to 75.4% by combining …
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Flotation separation of fluorite from calcite using bis …
According to previous studies, oleoylsarcosine and propyl gallate have been studied as collectors in the flotation separation of fluorite and calcite, but only with the suitable depressants can satisfactory separation results be obtained (Gao et al., 2019, Schubert et al., 1990).It has been well demonstrated that hydroxamic acid collectors have better selectivity …
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Enhanced flotation separation of barite and fluorite using …
Micro-flotation tests showed that IDS revealed strong depression on the flotation of fluorite. When IDS was 30 mg/L, the BaSO 4 grade and recovery in the concentrate reached 90.15 % and 92.00 %, and the CaF 2 grade and recovery in the tailing reached 89.77 % and 95.32 %, which could achieve effective separation. Zeta potential, contact angle and
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Enrichment of Molybdenum and Fluorite by Flotation of Fluorite …
In the first step of flotation, the fluorite left in the tailing contained 29.6 % of CaF 2. After flotation of this tailing, concentrate grade of CaF 2 raised to 96%. 0.5% of sulfur was found in this concentrate. It was concluded that this concentrate contained fluorite with suitable particle size (-100 mesh) and at sufficient concentration for ...
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The Effect of Oleic Acid Emulsification using SPE on Fluorite …
Collector OA, oleic acid, is widely used industrially for fluorite flotation. Low selectivity, dispersibility and collecting capability of the OA collector are always observed.
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minerals The Role of Water Glass in the Flotation Separation …
The removal of fine quartz in fluorite concentrate is the main problem in fluorite flotation. In this study, the flotation tests on fluorite, quartz and a ... The concentrate and tailing were assayed for Ca and Si. Fluorite recovery was calculated based on CaF2 distributions between these products. 2.3. Observations of Mineral Pulp The ...
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Enrichment of Molybdenum and Fluorite by …
Flotation of Fluorite in the Tailing Tailing of first step flotation (collective flotation) contained 14.4 % F (29.6 % CaF2). It was tried to enrich fluorite by flotation of this sample. For this aim, the effect of some parameters such as …
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Effects of Ferrous Sulfate Addition on the Selective …
The addition of ferrous sulfate as a depressant for Ca-bearing minerals such as calcite and fluorite during scheelite flotation was investigated to recover scheelite from tungsten mine tailings, using Hallimond-tube …
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Behaviour of flotation tailings from a rare earth element …
The purpose of the present study was to evaluate the impact of salinity on the behaviour of flotation tailings (Eldor deposit), i.e. the mobility of the elements contained in …
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Recovery of Fluorite from a Low-grade Rare Earth Tailing in …
This is an article in the field of mining processing engineering. This article takes Dechang Daluchao rare earth mineral processing tailings as the research object, conducts a beneficiation test study on fluorspar recovery, and determines the beneficiation process flow and reagent of "flotation desulphurization - mixed flotation - flotation separation of fluorite, strontium and …
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A Study on Molecular Mechanics Analysis Flotation Collector …
Recently, the natural mineral resources became short. In the process of fluorite floatation and tailing recycling, the key point is to find out collectors which have good selectivity to fluorite and effective inhibitor of gangue. Most reagents primarily come from agricultural byproduct and some chemical byproduct. However, the tailing mineral is complex and difficult …
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Flotation recovery of fluorite from rare earth operation taillings
The experiments results indicated a fluorite concentration with CaF 2 of 95.78%, as well as recovery of 64.34% for CaF 2, was obtained from the tailings (average CaF 2 grade of 25.65%) by an innovative flotation technique.
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Experimental Research on Recovery of Fluorite from a …
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 …
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Flotation recovery of fluorite from rare earth operation taillings
The experiments results indicated a fluorite concentration with CaF 2 of 95.78%, as well as recovery of 64.34% for CaF 2, was obtained from the tailings (average CaF 2 grade of …
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Potential for Improvement of Fluorite Concentrate Quality in
Abstract The authors discuss concentration of fluorite from waste at Yaroslavskaya Mining Company. The waste accumulated in the tailings storage for the long operating period contain 11.6–20.7% of fluorite. Old tailings have specific process properties because the initial ore has experienced certain physicochemical treatment during primary …
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Flotation separation of fluorite from calcite using …
The raw ore of the actual ore is a polymetallic ore, which mainly contains Mo, Bi, W and CaF 2, and the technology for recovering the valuable contents was determined as flotation of sulphide ores--flotation of tungsten ore--flotation of fluorite.Tailing pulp obtained from roughing and scavenging flotation of tungsten ore is fed for fluorite flotation.
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Selective Separation of Fluorite from Scheelite Using N
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 obtained. Additionally, the recovery of fluorite was sensitive to the changes in the pulp pH of more ...
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Improving fluorite flotation under low …
The present paper presents the results of fluorite flotation carried out on a column cell without wash water addition. Concentrate flow was obtained by making tailing flows smaller than feed...
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Barite resources, production and recovery using froth flotation…
Some disadvantages of using this type of collector are that the gangue minerals such as calcite, and fluorite present similar flotation responses because they can form chemisorbed products at alkaline conditions by adhering the precipitated metal oleates to the mineral surface therefore hindering the flotation performance (Chen, 2018, Ren, 2021 ...
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Beneficiation of fluorite by flotation in a new chemical …
The fluorite flotation tests were carried according to the flowsheet shown in Fig. 1. The fluorite ore sample was first wet-ground to be 90% minus 200 meshes. Then, the slurry was conditioned, while 1000 g/ton water glass and a given amount of collector were added. ... Cleaner flotation I was carried out without reagent, the tailing from which ...
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Enrichment of Elazığ–Keban fluorite by flotation method
The most commonly used beneficiation process is flotation, producing fluorite concentrates of up to 99% purity.1,2 Various fatty acids, especially oleic acid and sodium oleate, are used as collectors in fluorite flotation.3–5 Various depressants, such as sodium silicate, sodium silicate–metal salts combinations, phosphates, tannic acid ...
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Comprehensive Utilization Status of Associated Fluorite …
Fluorite is widely associated in rare earth ores, and the utilization of associated fluorite has become an important research direction of the comprehensive utilization of rare earth resources.
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Recovery of Fluorite from a Low-grade Rare Earth Tailing in …
This is an article in the field of mining processing engineering. This article takes Dechang Daluchao rare earth mineral processing tailings as the research object, conducts a beneficiation test study on fluorspar recovery, and determines the beneficiation process flow and reagent of "flotation desulphurization - mixed flotation - flotation separation of fluorite, …
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Separation 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 ...
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