+86 0371 8654 9132

a study of the separation of feldspar and quartz by flotation

Study on the Separation of Feldspar from Quarty by

Mechanisms of the separation of feldspar from quartz by flotation, using cationic collectors (long chain amine) in acid circuit with hydrofluoric acid have been discussed.

More

Separation of feldspar from quartz using EDTA as modifier ...

1999-11-1  Flotation responses of quartz and feldspar in 20 mg/l diamine solution (PDP) and as a function of various depressants (concentration: 5.10-4M). It can be seen in Figure 2 that it is evident the difference in floatability of minerals in the flotation cell in presence of EDTA and the best quartz feldspar separation are obtained at pH of around 2.

More

Separation of feldspar from quartz by flotation American ...

Separation of feldspar from quartz by flotation. Lawrence J. Herber. Lawrence J. Herber. Department of Physics and Earth Sciences, California State Polytechnic College, Pomona, California 91766. Search for other works by this author on: GSW. Google Scholar. American Mineralogist (1969) 54 (7-8): 1212–1215.

More

(PDF) Separation of Feldspar from Quartz: Mechanism of ...

Using pure albite and quartz minerals, the separation of albite from quartz using mixed cationic/anionic reagent schemes is assessed through Hallimond flotation, zeta

More

A study of the separation of feldspar from Missouri granite

2020-10-13  would be advantageous to find a source o..r feldspar closer to this Middle Western market. Missouri Granites are composed of feldspar, quartz, mica, and other materials, which maY' or may not ,occur ~n. all the. samples. It is the pur­ pose. o~ this investigation to attempt a separation ot the feldspar from. 1. Gellert. R.F., and Oreamer, A.8 ...

More

Feldspar flotation as a quartz-purification method in ...

2018-1-1  This study describes a modified glass flotation cell for the separation of quartz from feldspar with grain sizes of 250–1000?µm. Fuerstenau et al. [ 16] and Arnold et al. [ 17] introduced a glass flotation cell, the Hallimond tube, to test the effects of reagent-concentration variations on froth flotation used in the industry.

More

Developing Effective Separation of Feldspar and Quartz ...

In order to verify the effect of HF pretreatment on the flotation separation [ 19] of feldspar and quartz, bench scale flotation tests were carried out using 300 g minerals in a

More

Developing Effective Separation of Feldspar and Quartz ...

The effect of hydrofluoric acid (HF) pretreatment on flotation of feldspar and quartz using dodecylamine (DDA) as collector was investigated by micro-flotation, zeta potential, pyrene fluorescence spectroscopy, attenuated total reflection flourier transformed infrared spectroscopy (ATR-FTIR), scanning electron microscope (SEM), X-ray photoelectron spectroscopy

More

(PDF) Quartz-feldspar separation for the glass and ...

Bench-scale flotation experiments using cationic collectors G-TAP and Flotigam V-4343 and using HF and H2SO4 as modifiers were employed to separate feldspar from quartz and to remove part of the...

More

(PDF) Feldspar flotation as a quartz-purification method ...

PDF Cosmogenic nuclide (CN) dating relies on specific target minerals such as quartz as markers to identify geologic events, including the timing of... Find, read and cite all the research you ...

More

Study on the Separation of Feldspar from Quarty by

Study on the Separation of Feldspar from Quarty by FlotationOn activotion of feldspar with hydrofluoric acid. Mechanisms of the separation of feldspar from quartz by flotation, using cationic collectors (long chain amine) in acid circuit with hydrofluoric acid have been discussed.

More

Developing Effective Separation of Feldspar and Quartz ...

Previously, a selective flotation separation of feldspar in the presence of HF was proposed by Fuerstenau et al. [] in an acidic environment (pH = 2.1).It was suggested that the HF method can achieve a good separation of feldspar and quartz with a high grade of feldspar and a high-quality quartz [].However, there is a large amount of chemical activator (HF or NaF) in the flotation

More

Developing Effective Separation of Feldspar and Quartz ...

The effect of hydrofluoric acid (HF) pretreatment on flotation of feldspar and quartz using dodecylamine (DDA) as collector was investigated by micro-flotation, zeta potential, pyrene fluorescence spectroscopy, attenuated total reflection flourier transformed infrared spectroscopy (ATR-FTIR), scanning electron microscope (SEM), X-ray photoelectron spectroscopy (XPS) and bench scale flotation.

More

(PDF) Feldspar flotation as a quartz-purification method ...

PDF Cosmogenic nuclide (CN) dating relies on specific target minerals such as quartz as markers to identify geologic events, including the timing of... Find, read and cite all the research you ...

More

Separation of feldspar from quartz by flotation American ...

Separation of feldspar from quartz by flotation. Lawrence J. Herber. Lawrence J. Herber. Department of Physics and Earth Sciences, California State Polytechnic College, Pomona, California 91766. Search for other works by this author on: GSW. Google Scholar. American Mineralogist (1969) 54 (7-8): 1212–1215.

More

Flotation behavior and separation mechanism of quartz

2018-7-10  flotation conditions on the flotation behavior of quartz, hematite and magnetite under reverse anion flotation system were investigated by pure minerals flotation tests with the new type collector α-BLA. The separation mechanism of quartz from hematite and magnetite was studied by contact angle, zeta-potential and infrared spectroscopy. 2.

More

A study on the interaction of feldspar and quartz with ...

When the zero negative value of quartz reached pH 2 the separation process of feldspar from quartz was more significant. By gradually adding duomeen TDO, the contact angle of feldspar and quartz were increased leading to enhance hydrophobicity, but decreasing its free energy and components (Lifshitz-van der Waals γsLW, Lewis electron-donor γs ...

More

SELECTIVE SEPARATION OF Na- AND K-FELDSPAR FROM

2010-5-2  study deals with the selective separation of sodium feldspar from potassium feldspar from weathered granite using cationic flotation technique (HF + amine) in the presence of NaCl. The most striking result in this experimental study is the depressive effect of NaCl on Na-feldspar. NaCl addition controls amine adsorption on sodium feldspar ...

More

Separation of feldspar from quartz using EDTA as modifier ...

A study was conducted to test a new technique for separating quartz from feldspar using EDTA as modifier in acid medium. The aim is to replace the modifier now in use, namely HF, because of the growing awareness of environmental and health problems.

More

Separation of feldspar from quartz: Mechanism of mixed ...

2002-8-1  Using pure albite and quartz minerals, the separation of albite from quartz using mixed cationic/anionic reagent schemes is assessed through Hallimond flotation, zeta potential and diffuse reflectance FTIR studies. The reagent schemes are tested in bench-scale flotation for the separation of albite from Greek Stefania feldspar ore. The single mineral flotation tests showed the feasibility of ...

More

Study on the Separation of Feldspar from Quarty by

Study on the Separation of Feldspar from Quarty by FlotationOn activotion of feldspar with hydrofluoric acid. Mechanisms of the separation of feldspar from quartz by flotation, using cationic collectors (long chain amine) in acid circuit with hydrofluoric acid have been discussed. In the acid solution, the adsorption amount of dodecyl ammonium ...

More

Separation of feldspar from quartz by flotation American ...

Separation of feldspar from quartz by flotation. Lawrence J. Herber. Lawrence J. Herber. Department of Physics and Earth Sciences, California State Polytechnic College, Pomona, California 91766. Search for other works by this author on: GSW. Google Scholar. American Mineralogist (1969) 54 (7-8): 1212–1215.

More

Developing Effective Separation of Feldspar and Quartz ...

The effect of hydrofluoric acid (HF) pretreatment on flotation of feldspar and quartz using dodecylamine (DDA) as collector was investigated by... DOAJ is a community-curated online directory that indexes and provides access to high quality, open access, peer-reviewed journals.

More

Effect of particle size on the flotation of feldspar and ...

1991-8-25  Feldspar is separated from quartz by a method using HF as an activator and a method using diamine and petroleum sulfonate. This study discussed the effects of particle size on these two methods. A flotation using HF is capable of separating feldspar from quartz when the particle size is {minus}210+10{mu}m.

More

Quartz-feldspar separation for the glass and ceramics ...

2007-5-1  Large reserves of feldspar ore exist in the Aegean region of Turkey. The main colored impurities in these ores are iron- and titanium-bearing minerals such as anatase, rutile, sphene and ilmenite. In this study, a potassium feldspar ore containing mainly quartz and coloring impurities was subjected to beneficiation tests involving magnetic-separation and flotation, which were applied either ...

More

A study on the interaction of feldspar and quartz with ...

When the zero negative value of quartz reached pH 2 the separation process of feldspar from quartz was more significant. By gradually adding duomeen TDO, the contact angle of feldspar and quartz were increased leading to enhance hydrophobicity, but decreasing its free energy and components (Lifshitz-van der Waals γsLW, Lewis electron-donor γs ...

More

FLOTATION SEPARATION OF FELDSPAR - KATAYANAGI A,JA

1. A froth flotation process for separating feldspar from quartz-feldspar sands ore consisting essentially of the steps of subdividing said ore to produce at least a fraction having a particle size less than about 1 mm, collecting said fraction and washing the same with water to effect desliming, introducing the washed fraction at a solid concentration of about 20-30 wt percent into an aqueous ...

More

Feldspar flotation as a quartz-purification method in ...

2018-6-28  This study describes a modified glass flotation cell for the separation of quartz from feldspar with grain sizes of 250–1000 μm. Fuerstenau et al. [ 16 ] and Arnold et al. [ 17 ] introduced a glass flotation cell, the Hallimond tube, to test the effects of reagent-concentration variations on froth flotation used in the industry.

More

Differential Flotation of Some Egyptian Feldspars for ...

2015-11-5  viability [2] [4] [5]. It is now possible to free feldspar from all kinds of gangue minerals, e.g. mica, quartz and heavy minerals in addition to separation of both K and Na feldspars from each other [2]-[4]. Cationic flotation of feldspar (amine + HF) in presence of NaCl was conducted by CengizDemir of Turkey in 2010 to separate both

More

Mechanism of separating muscovite and quartz by flotation

Flotation experiments were performed to investigate the separation of muscovite and quartz in the presence of dodecylamine (DDA), tallow amine (TTA) and dodecyltrimethylammonium bromide (DTAC). The adsorption mechanisms of these three kinds of amines on muscovite and quartz were studied by FT-IR spectrum analysis, contact angle measurement and molecular dynamics (MD) simulation.

More