Flotation Reagents - Mineral Processing & Metallurgy
Sodium Silicate Commonly known as water glass. Usual grade is 41° Baume. 10% solution .5 to 3.0 A depressant for gangue slimes and siliceous gangue minerals in sulphide and non-sulphide flotation. Sodium Palconate: The unrefined soluble product which results when redwood bark is cooked with sodium hydroxide. Water dispersion 0.1 to 0.5
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Enrichment of Molybdenum and Fluorite by Flotation of ...
sodium silicate has an activating effect on fluorite and a selective depressing effect on calcite in rougher flotation, at the same time effectively removing the floated calcite from the rougher concentrate [6]. In this study, we aimed to collect molybdenum and fluorite in separate phases and to increase flotation …
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Scheelite flotation process - Yantai Jinpeng Mining ...
The floatation of scheelite is under the room temperature, and the product in tank is calcspar & fluorite. The separation of scheelite and barite. It is difficult to separate scheelite and barite by sodium silicate because of the closed inhibitory action for scheelite and barite.
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Advanced Materials Research Vol. 402 | p. 11 | Scientific.Net
The results indicate that fluorite grade of 90.93% and recyle rate of 85.26% could be gained by KY-108 as a collector, sodium silicate and sodium humate as depressant. High grade fluorite concentrate which contains CaF 2 over 97.81 %,SiO 2 and CaCO 3 less than 1.5% can be acquired by using leaching process, and the overall recovery of CaF 2 ...
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The separation method of barite and fluorite
One of our engineers used sodium dodecyl sulfate as collector, sodium silicate and citric acid as fluorite inhibitor, used a program of inhibition of fluorite and flotation barite, got barite ...
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Beneficiation of fluorite by flotation in a new chemical ...
Fluorite is usually separated from calcite by froth flotation method using large amounts of sodium silicate depressant, which can cause trouble in the loss of fluorite and wastewater treatment.
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MINERAL FLOTATION WITH SULFOSUCCINAMATE AND DEPRESSENT ...
The process of claim 1 wherein the ores are selected from celestite, barite, scheelite, calcite and magnesite and the depressant is sodium silicate in an amount of about 3 to 5 lbs. per ton. 3. The process of claim 1 wherein the ores are selected from fluorite, gypsum, and anhydrite and the depressant is Quebracho in an amount of about 0.1 to 1 ...
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Fluorite (Fluorspar) Flotation Process
The dosage of sodium silicate should be controlled properly; a small amount has activation to the fluorite, but inhibition function is not enough; excessive inhibits fluorite (fluorspar). Sometimes in order to increase the inhibitory effect of sodium silicate on quartz, some multivalent metal ions will be add.
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Fluorite ore beneficiation flow chart_BAILING® Machinery
Fluorite ore flotation process can apply to the fluorite ore of high clay content, impurities, minerals and fluorite symbiosis, fine granularity and other useful minerals Khenpo complex. ... Utilize fatty acid collect to fluorite and sodium silicate inhibit quartz. To control the amount of sodium silicate properly, a small amount of sodium ...
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Column Flotation Testing Better & Improved Recovery
The silicate flotation stage produced two concentrates. The tailings, a silica sand product, always assayed more than 96 to 99 pct SiO2. Iron content around 0.2 pct Fe2O3 prohibits use of this material in glass making, but it would be suitable for use in the manufacture of abrasives, sodium silicate chemicals, and other products.
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Flotation concentration of a low-grade fluorite ore from ...
success in the flotation of fluorite. These collectors include, fatty acids, oleic acid, sodium oleate, and various soaps. Depressants are also a vital part of successfully treating fluorite. Commonly used depressants include, quebracho for calcite and lignin sulfonate and sodium fluoride.for barite and
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Adsorption of H SiO as a Hydrolysate of Sodium Silicate on ...
, a hydrolysate of sodium silicate, is the important species in the adsorption process during flotation separation. In this work, the interaction mechanism and adsorption behavior in the surface-chemistry of H 4 SiO 4 molecule on the most stable surfaces of three calcium minerals, fluorite (111),
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flotation fluorite ores
Flotation tests on fluorite ores with various carbonate content (CaCO3 contents from 4.43% to 74.40%) were carried out using acidized sodium silicate as modifier and oleic acid as collector. Get More Fluorite ore beneficiation process,ore grinding technology ...
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CN102921551B - Fluorite mineral flotation method - Google ...
The invention discloses a fluorite mineral flotation method. A flotation process of one-segment rough flotation plus scavenging and seven-segment fine flotation is matched with adoption of inhibitors formed by combination of water glass and sodium fluoride, and collecting agents formed by compounding of fatty acid and dimethyl formamide.
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Mining Fluorite Flotation Mineral In Ethiopia
The Flotation Results Reveal That The Selective Depression Effect Of PA-Na Is Better Than That Of Sodium Silicate, And PA-Na Can Depress Fluorite More. Mineral Flotation, Flotation Separation, Forth Flotation. 5 Types Of Phosphate Froth Flotation Process. Froth Flotation Is The Most Widely Used Phosphate Ore Separation Process.
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CN1032631A - Carbonate-fluorite flotation separation ...
The invention provides a kind of carbonate-cost-effective flotation separation method in fluorite ore deposit, be specially adapted to the FLOTATION SEPARATION in the high fluorite ore deposit of carbonate content.Its key is to select the inhibitor-acidified sodium silicate and the dosing measure of effective carbonate mineral, under the common process condition, makes carbonate and fluorite ...
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Flotation Process | Scientific.Net
The results indicate that fluorite grade of 90.93% and recyle rate of 85.26% could be gained by KY-108 as a collector, sodium silicate and sodium humate as depressant. High grade fluorite concentrate which contains CaF 2 over 97.81 %,SiO 2 and CaCO 3 less than 1.5% can be acquired by using leaching process, and the overall recovery of CaF 2 ...
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How to Process Fluorite? - miningpedia.net
Summary of Fluorite Ore Flotation Process. Taking deep research on the features, extraction methods, and fluorite mining machines have a significant positive effect on running the fluorite processing plant successfully. ... Na2CO3 as the conditioner of PH value, oleic acid as the capture agent, and sodium silicate as the inhibitor. Flotation of ...
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fluorspar flotation process
Patent US3893915 - Fluorspar ore flotation - …Fluorspar ore flotation mineral dispersant such as sodium silicate or a sodium silicate-polyvalent metal salt hydrosol of the type used in the flotation process
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Investigation of the depressants involved in the selective ...
Phosphate derivatives as sodium hexametaphosphate [(NaPO 3) 6], sodium phosphate (Na 3 PO 4), and sodium pyrophosphate (Na 4 P 2 O 7) are also widely used inorganic depressants for scheelite flotation from calcite and fluorite, known to chelate Ca 2+ ions in solution leading to a surface depletion in terms of calcium ions [6,18,32,34]. However ...
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Scheelite flotation - Afuruika
(2) Scheelite to be separated from calcite and fluorite.In the flotation of scheelite, water glass as inhibitor, according to the different process can be divided into: 1） Strengthen stirring at room temperature.A large amount of sodium silicate (10~20kg/t) was added to concentrate the scheelite,concentrate containing calcite and fluorite.
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Implication and collecting mechanism of emulsified sodium ...
If the silicate, calcite and iron oxides gangues, beside fluorite, are present, the depressants such as water glass is necessary for improving flotation selectivity (Zawala et al., 2007; Raju, 2000; Sun, 2012). In addition, fatty acids are not only used as anionic collectors in flotation of fluorite but also in
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Froth flotation of fluorite: A review - ScienceDirect
Moreover, fluorite flotation using the soap is not affected by the inhibitor sodium silicate, benefiting the separation of fluorite from other minerals . According to the calculation of species distribution in the slurry, the stable region of palmitic acid can be determined.
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Mechanism of collector adsorption in fluorite flotation
adsorption in fluorite flotation ... flotation is the major concentration process for the production of acid-grade fluorite. ... as sodium silicate, sodium silicate– metal salt combinations, ...
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Optimal Depressants and Collector Dosage in Fluorite ...
In order to optimize the flotation process of a Spanish fluorite ore, this research uses a mathematical model. In this study, the variables were the dose of potato starch, quebracho tree, white dextrine, oleic acid, and sodium silicate. On the other hand, the factors studied were the law of carbonates, silica, and fluorite, in addition to the ...
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Effect of sodium silicate on the reverse anionic flotation ...
3.2. Effects of sodium silicate 3.2.1. Sodium silicate dosage The depressant dosage is an important factor in the reverse flotation of iron oxides, which affects the iron recovery [7]. Fig. 1 shows the effect of sodium silicate dosages on the floatability (recovery) and grade of iron, silica and phosphorus of Chador Malu samples (at pH 9.5).
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Acidized sodium silicate - an effective modifier in ...
Flotation tests on fluorite ores with various carbonate content (CaCO 3 contents from 4.43% to 74.40%) were carried out using acidized sodium silicate (A.S.S.) as modifier and oleic acid as collector. A high purity fluorite concentrate (99% CaF 2) was obtained.It was demonstrated that A.S.S. has an activating effect on fluorite and a selective depressing effect on calcite in rougher flotation ...
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Fluorite (Fluorspar) Flotation Process
In mixed flotation, obtain mixed concentrate with oleic acid as collector. Mixed concentrate separation can use positive or reverse flotation to obtain fluorite (fluorspar) concentrate. Separation of fluorite (fluorspar) and quartz. The fatty acid collects fluorite, and sodium silicate restrains quartz.
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Fluorite Flotation Process - Xinhai
Fluorite flotation equipment is the similar with other mineral flotation equipment including crusher, ball mill, flotation machine etc.. 【Application】 Fluorite Flotation Process is applied for refractory fluorite with complicated properties such as high mud content, impurity containing, fine particle distribution etc..
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Fluorite Mining | Processing Equipment | Flow Chart ...
In mixed flotation, obtain mixed concentrate with oleic acid as a collector. Mixed concentrate separation can use positive or reverse flotation to obtain fluorite (fluorspar) concentrate. Separation of fluorite and quartz The fatty acid collects fluorite (fluorspar), and sodium silicate restrains quartz.
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Fluorspar Beneficiation Process Plant
Source: This article is a reproduction of an excerpt of "In the Public Domain" documents held in 911Metallurgy Corp's private library. Flotation of a Fluorspar Ore from Illinois. This report is the fourth in a Bureau of Mines series describing the sodium fluoride-lignin sulfonate-fatty acid process of froth flotation separation of fluorspar from complex ores containing fluorspar, barite ...
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Common Questions About Froth Flotation Process Technology
1. Add dispersant in the pulp to prevent the microparticle minerals from coacervating with each other and keep them in an appropriate dispersion state. Dispersant can use sodium silicate, sodium polyphosphate and sodium hydroxide. 2. Froth Flotation of low-concentration slurry is used to improve the selectivity of different mineral surfaces.
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(PDF) Mechanism of collector adsorption in fluorite flotation
A new type of depressant and a new process were used in floatation test of a high-carbonate and sludge content fluorite ore. ... (OH)42- was much more than that of fluorite, the sodium silicate ...
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