the complex behavior of fatty acids in fluorite flotation

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The complex behavior of fatty acids in fluorite flotation

2011-2-24 · The complex behavior of fatty acids in fluorite flotation D. W. Fuerstenau University of California, Berkeley, California, USA R. C. Bunge Hochschule fuer Technik Rapperswil, UMTEC, Rapperswil, Switzerland ABSTRACT: This paper is concerned with the complexities in the flotation behavior of fluorite with fatty

The complex behavior of fatty acids in fluorite flotation ...

Fuerstenau et al. studied the complex behavior of fatty acids in fluorite flotation, and proved that the boundary of the formation zone of palmitic acid and calcium palmitate had an effect on the...

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Flotation concentration of a low-grade fluorite ore from ...

2021-1-28 · is not unusual to have six or more stages of cleaner flotation to produce an acid grade product. A variety of different collectors have been used with success in the flotation of fluorite. These collectors include, fatty acids, oleic acid, sodium oleate, and various soaps.

Hydrophobic behavior of fluorite surface in strongly ...

2021-1-20 · 1. Introduction. Fluorite flotation is an important area of study due to its broad application prospects, which attracts a lot of attention. The mineral is often associated with other calcium minerals, such as scheelite and calcite, thus render the flotation separation difficult [, , ].Traditional fatty acid, such as oleic acid and sodium oleate, are common fluorite collectors [4,5], and the ...

Froth flotation of fluorite: A review - ScienceDirect

2021-4-1 · Barite-fluorite separation. Fatty acids can actively interact with Ca and Ba sites on the surfaces of fluorite and barite, causing nonselective adsorption [38,115,169]. Therefore, fluorite and barite exhibit similar floatabilities, and their separation by flotation is difficult [169,170]. Multiple flotation stages are usually required.

Frothing behavior of fatty acids in flotation | Request PDF

The preparation of the main flotation collectors fatty acids and xanthates for the flotation of non-sulphide and sulphide ores, respectively, is considered from the electrochemical point of view.

Enhancing flotation separation effect of fluorite and ...

1. Introduction. Fluorite (CaF 2) is a vital fluorine-bearing mineral widely applied in the area of metallurgy, military, ceramics, medicine and building materials , .With the development and upgradation of industrial production, the demand for this mineral sustainedly growth. Many countries listed it as strategic reserve resources due to its huge utilization value .

Selective flotation of scheelite from calcite and fluorite ...

2015-3-1 · Collector 733, a sodium soap (C 12 – 16 COONa) is widely used industrially for scheelite flotation. Low selectivity of 733 collector is always observed. In this study, a collector mixture of 733 and MES (sodium fatty acid methyl ester sulfonate) demonstrated a high selectivity for the flotation of scheelite from calcite and fluorite.

A novel method for desulfurization and purification of ...

2019-2-1 · 1. Introduction. Fluorite is one of the chief sources of fluorine in nature (Pelham, 1985), and China is the largest producer of fluorite concentrate; accounted for 60% of the world's total output in recent years ().Fluorite concentrates are widely used in chemical, material, and metallurgical industries (Liu et al., 2011, Seredenko, 1989). ...

fluorite process calculation - grunlandrosliny.pl

fluorite ore flotation process in chemistry. Jun 28, 2018· The complex behavior of fatty acids in fluorite flotation - umtec. The complex behavior of fatty acids in fluorite flotation. D. W. Fuerstenau with the formation of a chemical bond between the adsorbate solution chemistry of a model fatty acid

fluorite flotation in the netherlands

The selective depressant effect of sodium alginate was studied using zeta potential measurements, contact angle measurements and FTIR.The complex behavior of fatty acids in fluorite flotationthe flotation behavior of fluorite with palmitic acid. Figure 3. The stability domain of aqueous palmitic species in equilibrium with fluorite in an open ...

Fluorspar Beneficiation Process Plant

2021-2-13 · 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

Seven Tricks to Improve The Effect of Fluorite Flotation ...

2021-1-8 · The commonly used collectors in fluorite flotation are mainly fatty acids, followed by alkyl sulfates, alkyl sulfonates, tall oil, organic sulfonates and sulfates. Under certain conditions, when the amount of fluorite flotation collector is large, the recovery rate is high, but the grade is low.

Four Common Technologies of Fluorite Mine - Fodamon Machinery

Fluorite (CaF2) contains F48.9%, CaSl.1% fluorite has good floatability, and fatty acids are often used as collectors. The pH of the pulp has a great influence on the flotation effect of fluorite. Using oleic acid as a collector, when the pH of the pulp is 8-11, the fluorite has better buoyancy.

Modified Fatty Acids: Molecular Modeling and Docking ...

2017-6-1 · 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.

CN101507948A - Cold condition fluorite flotation collector ...

The invention discloses a collector for the floatation of fluorite at a low temperature. The collector comprises the following raw materials in weight portion: 35 to 45 portions of fatty alcohol polyethenoxy ether carboxylic acid sodium, 40 to 50 portions of sodium cetanesulfonate, and 8 to 12 portions of fatty acid methyl ester sodium sulfonate.

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

2018-6-17 · Froth flotation has been regarded as one of the most effective physicochemical techniques for the separation and utilization of fluorite ores (Zhou et al., 2013; Gao et al., 2015) Fatty acids are the most commonly used anionic collectors for the flotation of the mineral fluorite, and thus, have been widely studied for fluorite flotation.

The Contribution of Long-Terms Static Interactions

2019-11-12 · Figure 1. The X-ray diffraction (XRD) spectra of the (a) fluorite and (b) calcite samples. 2.2. Micro-Flotation Tests of Single Mineral Micro-flotation tests of a single mineral were carried out on a micro flotation machine (XFGC, Jilin Exploration Machinery Plant, Changchun, China) with a 40-mL hitch groove flotation cell at a speed of 1992 rpm.

Implication and collecting mechanism of emulsified

2018-1-14 · complex based on unique solid physicochemical properties. Fatty acids can be adsorbed on the solid surface by the electrostatic, adhesion (Van der Waals) and chemical force and enhance the mineral floatability - hydrophobic particles aggregate and float together (Drzymala, 1995). There were reported the chemisorptions of fatty acids on minerals ...

fluorite process calculation - grunlandrosliny.pl

fluorite ore flotation process in chemistry. Jun 28, 2018· The complex behavior of fatty acids in fluorite flotation - umtec. The complex behavior of fatty acids in fluorite flotation. D. W. Fuerstenau with the formation of a chemical bond between the adsorbate solution chemistry of a model fatty acid

Seven Tricks to Improve The Effect of Fluorite Flotation ...

2021-1-8 · The commonly used collectors in fluorite flotation are mainly fatty acids, followed by alkyl sulfates, alkyl sulfonates, tall oil, organic sulfonates and sulfates. Under certain conditions, when the amount of fluorite flotation collector is large, the recovery rate is high, but the grade is low.

Modified Fatty Acids: Molecular Modeling and Docking ...

2017-6-1 · and oxides. Fatty acids are considered to be widespread oxhydryl collectors for non-sulfide ore flotation. However, the selectivity of these collectors is low towards to gangue minerals occurring in the ore [1]. The introduction of substitutes into the aliphatic chain of fatty acids is one of the ways for improvement the selectivity of collectors.

kinds of fluorite flotation process

In the flotation of fluorite with oleic acid as the collector, a small amount of aluminum salt is added to activate fluorite and dextrin is added to inhibit barite and calcite. The tannin extract and lignosulfonate are effective in inhibiting the complex fluorite minerals which contains more calcite, limestone and dolomite.

barite processing - Xinhai

2021-4-9 · Add the inhibitors to suppress the fluorite in the mixed barite-fluorite concentrate, and obtain the barite concentrate through flotation processing. Then, add the fatty acid collectors and sodium silicate to the tailings, obtain the fluorite concentrate by several times (7-9 times) of concentrating.

A novel flotation scheme: selective flotation of tungsten ...

2017-4-20 · Effect of water glass on calcium mineral separation with a fatty acid as a collector. Figure 1a shows the flotation behaviour of calcium minerals with fatty acids as the collector. With collector dosage increasing, the recovery rate of calcium minerals increases to 90%, and the recovery rates of calcite and fluorite are higher than that of scheelite.

Frothing properties of fatty acid collectors - UBC Library ...

The gas dispersion and foaming properties of aqueous solutions of fatty acids of different hydrocarbon chain lengths were assessed through measurements of bubble size distributions, gas hold-up, foam volume and growth rate. The adsorption behavior of the tested fatty acids at the gas-solution interface was assessed and the results were supplemented by measurements of the partition of each ...

Interaction Forces between a Calcium Dioleate Sphere and ...

2003-11-4 · Spherical particles of calcium dioleate were successfully prepared to measure the interaction force of a calcium dioleate collector colloid at calcite and fluorite surfaces. Scanning electron microscopy (SEM), atomic force microscopy (AFM), Fourier transform infrared (FTIR) spectroscopy, and electrophoretic mobility measurements were used to characterize the specially prepared calcium