Flotation Separation Of Feldspar

US3844939A - Flotation separation of feldspar - Google Patents

An improved process for separating feldspars from feldspathic ores by means of froth flotation wherein a combination of a higher aliphatic amine salt and a higher aliphatic or aromatic sulfonate is used as a flotation reagent, eliminating the necessity for activation with hydrofluoric acid.

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 ...

Flotation separation of Na-feldspar from K-feldspar by ...

Jul 01, 2001 · "Presented at Minerals Engineering 2000, Cape Town, South Africa, November 2000 733 734 C. Demir et al. Flotation appears to be the only plausible, although challenging, method of separating these minerals. Despite the scarcity of literature on Na-K feldspar separation, the separation of quartz from feldspar has received much attention since 1930.

Feldspar Beneficiation & Flotation Process

Apr 14, 2016 · Here again, thorough desliming and high-density conditioning are most important for a good separation of feldspar from its impurities. Typical feldspar flow-sheet, incorporating rod-milling, desliming and flotation. Acid-proof flotation cells and special heavy-duty conditioners are required.

Selective flotation separation of spodumene from feldspar ...

Jun 05, 2020 · Obviously, neither anionic collector NaOL nor nonionic collector DS can realize flotation separation of spodumene and feldspar successfully, however, the mixed collector maybe provide a good approach. Fig. 3 shows the effect of NaOL: DS molar ratio on the flotation recovery of spodumene and feldspar. It can be seen that the recovery of feldspar ...

Flotation separation of Na-feldspar from K-feldspar by ...

Jul 01, 2001 · "Presented at Minerals Engineering 2000, Cape Town, South Africa, November 2000 733 734 C. Demir et al. Flotation appears to be the only plausible, although challenging, method of separating these minerals. Despite the scarcity of literature on Na-K feldspar separation, the separation of quartz from feldspar has received much attention since 1930.

Selective flotation separation of spodumene from feldspar ...

Jun 05, 2020 · Obviously, neither anionic collector NaOL nor nonionic collector DS can realize flotation separation of spodumene and feldspar successfully, however, the mixed collector maybe provide a good approach. Fig. 3 shows the effect of NaOL: DS molar ratio on the flotation recovery of spodumene and feldspar. It can be seen that the recovery of feldspar ...

Feldspar Beneficiation & Flotation Process

Apr 14, 2016 · Here again, thorough desliming and high-density conditioning are most important for a good separation of feldspar from its impurities. Typical feldspar flow-sheet, incorporating rod-milling, desliming and flotation. Acid-proof flotation cells and special heavy-duty conditioners are required.

Selective flotation separation of spodumene from feldspar ...

Apr 01, 2016 · The flotation separation of spodumene from other complex aluminosilicate minerals such as feldspar and mica, is problematic, due to their same active Al site for interaction with anionic collectors (Rai et al., 2011). In practice, the general method to accomplish effective spodumene flotation is to add amount of depressants associated with ...

Selective flotation separation of spodumene from feldspar ...

Single-mineral flotation results showed that using 30 mg/L SA allowed the separation of spodumene from feldspar at pH 6, although there was a strong pH dependence. Zeta potential measurements and FTIR analysis showed that SA and DDA can adsorb onto both minerals.

Review of flotation of feldspar | Request PDF

The best results were achieved with a combination of high-intensity wet magnetic separation and flotation. A feldspar concentrate containing 16.28% Al2O3, 10.75% K2O,2.84% Na2O,69.97% SiO2 and 0 ...

Feldspar Beneficiation Process Magnetic & Flotation ...

Flotation separation of potash feldspar and albite The separation of potash feldspar (orthoclase and microcline) and albite is a challenging issue because they are mostly mixed in feldspar deposits and these minerals have similar chemical structures and similar physical chemistry properties.

SELECTIVE SEPARATION OF Na- AND K-FELDSPAR FROM

Selective separation of Na- and K-feldspar from weathered granites by flotation in HF medium Ceramics – Silikáty 54 (1) 60-64 (2010) 61 multivalent salts, a required selectivity in flotation is achieved [1]. Sodium ions depress Na-feldspar during the flotation of alkali feldspar at natural pH and in HF

Differential Flotation of Some Egyptian Feldspars for ...

Na-Feldspar, K-Feldspar, Flotation, Sand Separation, Effect of pH . T. R. Boulos et al. 436 1. Introduction Feldspars are indispensable raw materials for many industries, such as ceramics, glass and fillers for plastics production. Considerable reserves of feldspar varieties are found in the Eastern Desert of Egypt, most of which

Flotation behavior and mechanism of α-bromododecanoic acid ...

Aug 15, 2021 · The flotation behaviors of α-bromododecanoic acid (α-BDDA) on the separation of spodumene from feldspar and quartz with Ca(II) as activator were investigated through single mineral and artificial mixed ore flotation experiments.

Feldspar Sand Washing And Separation

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

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

Aug 01, 2002 · 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 ...

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 system, as ...

Introduction Of Silica Sand Flotation Separation Process ...

Aug 21, 2021 · Flotation separation of feldspar minerals and quartz sand Feldspar and quartz sand are both framework silicate minerals. In addition to having similar physical properties, chemical composition, and structure, they also have the same charge mechanism in an aqueous solution and have very low zero electric points.

(PDF) STUDY OF FELDSPAR FLOTATION.

A commercial feldspar product usually contains more than one feldspar mineral, and flotation conditions for the separation of individual feldspar minerals have

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 system, as ...

Flotation Separation Of Feldspar

FLOTATION SEPARATION OF FELDSPAR - It has been found that feldspars can be separated efficiently from feldspathic ores and minerals by means of froth flotation when a higher aliphatic amine salt and a higher aliphatic or aromatic sulfonate are used in conjunction as flotation reagents in a flotation medium made acidic with sulfuric acid, without the necessity for using hydrofluoric acid.

Differential Flotation of Some Egyptian Feldspars for ...

Boulos, T. , Ibrahim, S. and Yehia, A. (2015) Differential Flotation of Some Egyptian Feldspars for Separation of Both Silica and Iron Oxides Contaminants. Journal of Minerals and Materials Characterization and Engineering, 3, 435-443. doi: 10.4236/jmmce.2015.36046.

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

The best results were achieved with a combination of high-intensity wet magnetic separation and flotation. A feldspar concentrate containing 16.28% Al2O3, 10.75% K2O,2.84% Na2O,69.97% SiO2 and 0 ...

(PDF) Selective Flotation of Quartz and Feldspar Using Non ...

Selective Flotation of Quartz and Feldspar Using Non-Ionic Surfactant T Wakamatsu1 and M S El Salmawy2 ABSTRACT EXPERIMENTAL In order to develop the HF-free flotation reagent system, the main objective of this investigation was to study the possibility of separation of Materials quartz from feldspar using non-ionic surfactants as the collector.

(PDF) Differential Flotation of Some Egyptian Feldspars ...

Differential Flotation of Some Egyptian Feldspars for Separation of Both Silica and Iron Oxides Contaminants Journal of Minerals and Materials Characterization and Engineering, 2015 Suzan S Ibrahim

11.27 Feldspar Processing - epa.gov

11.27 Feldspar Processing 11.27.1 General1 Feldspar consists essentially of aluminum silicates combined with varying percentages of potassium, sodium, and calcium, and it is the most abundant mineral of the igneous rocks. The two types of feldspar are soda feldspar (7 percent or higher Na O) and potash feldspar (8 percent or higher K O).

Effects of Ultrasound on Desliming Prior to Feldspar Flotation

In this study, the effects of ultrasound on removal of impurities from raw feldspar were investigated by testing with a newly developed flotation cell with various frequency and power intensities prior to multistage feldspar flotation. Particularly, the quality of feldspar concentrates, the volume of removed slimes and the content of impurities were taken into account to reveal the impacts.

Effects of Metallic Ions on the Flotation of Spodumene and ...

The flotation separation of spodumene from other complex aluminosilicate minerals, such as feldspar and mica, is problematic due to the minerals' common active Al site that interacts with anionic ...

Flotation Behavior, Collector Adsorption Mechanism of ...

Mar 20, 2019 · The results of batch flotation, ICP-OES and XRD analyses show that the first flotation product is almost quartz, while more feldspar and little quartz exist in the sink product when compared with the FQA feed. The mechanism of PEA acting as the collector for the separation of quartz/feldspar has been investigated.

Study on Flotation Mechanism of Separation of Potassium ...

Potassium feldspar and quartz are all silicate minerals with frame structure,and have the similar crystal structure and physicochemical properties. Therefore, flotation has become the main method to separate potassium feldspar from quartz. The separation of potassium feldspar from quartz with anion and cation mixed collector was studied in the paper.

Feldspar Sand Washing And Separation

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

Potassium Feldspar Impurity Removal Process

Potassium Feldspar Impurity Removal Process. The impurity removal methods of potassium feldspar mainly include magnetic separation, flotation, acid leaching process, and combined process. Specifically, the appropriate impurity removal process should be selected according to the occurrence state of the impurity minerals and the particle size of ...