fluorite flotation acids

Depressing effect of phenoxyl acetic acids on flotation of ...

Dec 01, 2007· Phenoxyl acetic acids were applied to determine their depressing effect on minerals containing Ca2+/Mg2+ gangues. Calcite, mixture of calcite and fluorite, and nickel ore were used in the flotation. And the depression mechanism was studied by the determination of contact angle, zeta potential, adsorptive capacity of collector, and IR analysis as well.

Mechanism of phthalic acid collector in flotation ...

Nov 07, 2020· As a collector of Bayan Obo fluorite flotation, phthalic acid is superior to oleic acid in collecting selectivity. The flotation experiment shows that the ratio of fluorite and rare earth recovery was 3.9:1 with phthalic acid used as collector, which was higher than that of 1.5:1 with oleic acid used as collector under the same conditions.

Fluorite Ore Dressing Plant In Flotation Mineral ...

The beneficiation of fluorite ore is gravity separation and flotation process. the specificity of fluorite flotation: 1. because industrial making hydrofluoric acid require calcium fluorite content 98 and silica 1, fluorite flotation generally use 5-7 stages concentration; 2. when the ph of ore pulp is 8-11, the floatability is good. another ...

Influence of Pulp pH on Flotation of Fluorite and Calcite ...

Pulp pH value plays a significant role in the froth flotation. Especially in the flotation of fluorite, the performance of flotation will be affected greatly by pulp pH. MO, a new kind of modified fatty acid was used as collector, and H2SO4 and Na2CO3 were used to regulate pulp pH in the experiment. The mechanism of influence of pulp pH on flotation of fluorite and calcite was investigated by ...

Brief Introduction of Fluorite Flotation Process

Nov 13, 2019· The preparation method of fluorite flotation agent. A process for the preparation of fluorspar flotation method, the crude intermediate product produced with oleic fatty acids or mixed fatty acids as raw materials, added thereto weight of the fatty acids of 3% to 15% by weight of concentrated sulfuric acid, so that the occurrence of ...

Fluorite Mining | Processing Equipment | Flow Chart ...

In flotation of fluorite, it can be also feasible to add a small amount of sulfide mineral to inhibit residual sulfide mineral, and ensures the quality of fluorite (fluorspar) concentrate. Mixed flotation of fluorite (fluorspar) and barite flotation, and then separate them. In mixed flotation, obtain mixed concentrate with oleic acid as a ...

PROCESS FOR THE FLOTATION OF FLUORITE - MONTECATINI …

Having thus described our invention, what we desire to secure by Letters patent and hereby claim is 1. In a flotation process for the recovery of fluorite from clay-containing ores, the improvement which comprises, prior to carrying out conventional flotation, conditioning a flotation slurry by treating said slurry for a period of from about 1 to 10 minutes with from about 100 to 200 grams per ...

Four Common Technologies of Fluorite Mine - Fodamon Machinery

When flotation fluorite uses oleic acid as a collector, there is also a higher requirement for floating water. When the water quality is hard water, the water entering the flotation process is first softened. Fluorite flotation collectors In addition to oleic acid, hydrocarbyl sulfates, alkylsulfonated succinamines, sodium oleoyl sulfamate and ...

How to Process Fluorite? - Mining-pedia

Dec 24, 2019· Fluorite flotation needs maximum oleic acid, whereas, calcite flotation needs minimum oleic acid. When the flotation pulp is neutral, the flotability of fluorite and barite is close. When PH value of pulp is above 10, only the calcite has the best flotation effect; when the pulp is acidic, fluorite has a better flotability than barite, which ...

Fluorite by Flotation in Pneumatic (Modified Hallimond …

May 25, 2020· (DP-II) were tested and compared with oleic acid (OA), sodium oleate (SO) and potassium oleate (PO). According to fluorite grade and fluorite metallurgical recovery, the effect of each collector was determined, both in mechanical and pneumatic cell flotation. The effect of temperature on the collectors from 25 to 55 C was studied. Flotation ...

Fluorite flotation process - Yantai Jinpeng Mining ...

The beneficiation of fluorite ore is gravity separation and flotation process. The specificity of fluorite flotation: 1. Because industrial making hydrofluoric acid require calcium fluorite content>98% and silica <1%, fluorite flotation generally use 5-7 stages concentration; 2. When the PH of ore pulp is 8-11, the floatability is good. Another, increasing the temperature of ore pulp can ...

The effect of citric acid in the flotation separation of ...

Bastnaesite is a chief natural source of light rare earth elements (LREEs). The effective depression of Ca-containing minerals such as fluorite and calcite in bastnaesite flotation system is normally difficult, and it is imperative to exploit more environmentally-friendly depressants which can inhibit these gangue minerals simultaneously. Hence, we employ citric acid (H3Cit), a ...

Froth flotation of fluorite: A review - ScienceDirect

Apr 01, 2021· It prohibits fluorite flotation at pH = 6, and thus benefits the reverse flotation. Fluorite can be activated at pH = 8, and then enriched by flotation. Thus, pH is the key parameter controlling the efficient separation. However, the cost of organic phosphonic acid is …

Selective Flotation of Calcite from Fluorite: A Novel ...

Fluorite is an important strategic mineral. In general, fluorite ores will contain a certain amount of calcite gangue mineral. Thus, they need to be separated from each other. For an economic separation, a reverse flotation process is used to float calcite gangue from fluorite. However, little information on the separation is available. In this study, a novel reagent schedule using citric acid ...

Lower temperature flotation of carbonate-fluorite ores ...

Aug 24, 2010· The authors provide insight into the problem of selective flotation of fluorite from carbonate-fluorite ores. It is found that oxyhydrate collectors used in combination with sodium fluoride provide rather high level of selectivity in fluoride flotation from poor high-carbonate ores and make it possible to eliminate high-temperature pulp treatment with acceptable reduction in the flotation ...

Fluorite Processing Methods and Flowsheet | Mining Pedia

Jun 24, 2021· Flotation is mainly used in the production of high-grade concentrates used in the chemical and ceramic industries. The flotation of fluorite usually uses fatty acids such as oleic acid, oxidized paraffin soap or other soaps as collectors, and is carried out under the conditions of pulp pH 8-10 and pulp temperature above 25°C.

Fluorspar Beneficiation Process Plant

Feb 13, 2021· 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 ...

Beneficiation process of Fluorite ore - Fodamon Machinery

A kind of preparation of fluorite flotation of the preparation, production of intermediate products of oleic acid or mixed fatty acids of crude fatty acids as raw materials, adding weight to its weight as fatty acids 3% to 15% sulfuric acid, sulfuric acid technology to make it happen reaction, further reaction products of fatty acids by adding ...

Development of a technology for sulfuric acid breakdown of ...

Development of a technology for sulfuric acid breakdown of a bertrandite-phenacite-fluorite flotation concentrate V. I. Samoilov 1 Russian Journal of Applied Chemistry volume 79, …

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.

Modified Fatty Acids: Molecular Modeling and Docking ...

Jun 01, 2017· Fatty acids are known as oxhydryl collectors which are used in practice for non-sulfide ore flotation. However, the selectivity of these collectors is low towards to gangue minerals occurring in the ore. In the present study the introduction of substitutes into the aliphatic chain of fatty acids has been suggested as the way for improvement the selectivity of collectors.

"Reverse flotation separation of fluorite from calcite: A ...

Fluorite (CaF2), as an important strategic mineral source, is usually separated from calcite by the common froth flotation method, but this separation is still not selective enough. The development of a selective collector and/or depressant is the key to achieving high selective separation. 1-Hydroxyethylidene-1,1-diphosphonic acid (HEDP or H4L) is widely used as an environmentally …

Fluorspar/Fluorite Beneficiation Process Plant

Dec 21, 2016· Fluorspar flotation concentrates of acid grade must be dried to less than 0.5% moisture. ... 9.2 Fluorite Reagent Combinations. Oleic acid or various mixtures of oleic and linoleic acids …

Reverse Flotation Separation of Fluorite from Calcite: A ...

Fluorite (CaF2), as an important strategic mineral source, is usually separated from calcite by the common froth flotation method, but this separation is still not selective enough. The development of a selective collector and/or depressant is the key to achieving high selective separation. 1-Hydroxyethylidene-1,1-diphosphonic acid (HEDP or H4L) is widely used as an environmentally …

The effect of polyacrylic acid on the surface properties ...

Selective flotation of scheelite from calcite and fluorite using a collector mixture, Minerals Engineering, 72, 23-26. 17. HU Y. and XU Z., 2003. Interactions of amphoteric amino phosphoric acids with calcium-containing minerals and selective flotation, International Journal of …

Fluorite Flotation Process

The preparation method of fluorite flotation agent. A process for the preparation of fluorspar flotation method, the crude intermediate product produced with oleic fatty acids or mixed fatty acids as raw materials, added thereto weight of the fatty acids of 3% to 15% by weight of concentrated sulfuric acid, so that the occurrence of ...

Development of a technology for sulfuric acid breakdown of ...

The possibility of direct sulfuric acid breakdown of the bertrandite-phenacite-fluorite concentrate from the Ermakovskoe deposit was studied experimentally using samples taken from 23 different batches of the concentrate over the period from 1997 to 2004.

Fluorite (Fluorspar) Flotation Process - Xinhai

The sulfide ore contained in fluorite (fluorspar) is floated with xanthate collector, and then fatty acid collectors float fluorite (fluorspar). In flotation of fluorite, it can be also feasible to add a small amount of sulfide mineral to inhibit residual sulfide mineral, and ensures the quality of fluorite …

The effect of citric acid in the flotation separation of ...

Nov 01, 2020· Flotation separation of bastnaesite from fluorite and calcite is achieved. • Citric acid (H 3 Cit) is used as a selective depressant for fluorite and calcite.. H 3 Cit adsorbs spontaneously on the Ca–containing minerals surfaces.. Depression mechanism of H 3 Cit on the fluorite …

Fluorite by Flotation in Pneumatic (Modified Hallimond Tube ...

May 25, 2020· (DP-II) were tested and compared with oleic acid (OA), sodium oleate (SO) and potassium oleate (PO). According to fluorite grade and fluorite metallurgical recovery, the effect of each collector was determined, both in mechanical and pneumatic cell flotation. The effect of temperature on the collectors from 25 to 55 C was studied. Flotation ...