A novel approach for flotation recovery of spodumene, mica and feldspar
The flotation test results show that Fe3+ can significantly improve the flotation behavior of minerals when NaOL is used as a collector under natural pH, and the highest recovery rates of feldspar ...
Review of flotation of feldspar | Request PDF
A flotation test was carried out at optimum conditions for flotation of feldspar minerals. The mass recovery of feldspar concentrate was 52.11% of feed ( …
Effects of alkali pretreatment on the flotation of spodumene and feldspar
Pure crystalline sample of spodumene and feldspar were sourced from the mines of Brazil and Hunan province, respectively. The samples with a diameter of −74 + 38 μm for flotation experiments were prepared by crushing, grinding and screening. −5 μm of samples were used for the measurements of zeta potential, FTIR, XPS and ICP.
Chapter 6 Concentration of Feldspars Based on Specific …
The ore is a leucogranite locally known as alaskite. Mica and glass sand are by-products. The difficulties encountered in a Feldspar Plant using dune sand have been considered earlier. Both these plants remove mica and heavy minerals with a flotation process prior to feldspar flotation.
Feldspar Flotation using Non-Hydrofluoric Acid System
The response of feldspar flotation to tallow diamine dioleate collector in the presence of sulfuric acid is studied using, batch flotation experiments. Application of this non- hydrofluoric acid (non-HF) reagent system in the flotation of mineralogically and chemically different feldspar ores is compared with that of the conventional …
Review of flotation of feldspar
A commercial feldspar product usually contains more than one feldspar mineral, and flotation conditions for the separation of individual feldspar minerals have …
Effects of ultrasound on desliming prior to feldspar flotation
(2019) Malayoglu, Ozkan. Minerals. 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 ...
Molecular Design and Spodumene Flotation—A Review
The micro-flotation results show that NaOL recovered 77% for spodumene and 37% for feldspar, while BAA recovered 87.87% for spodumene and 37.89% for feldspar. Afterward, they conducted tests using a mineral mixture to verify the favorable outcome of BAA, obtaining a recovery of 67.37% and a concentrate with 6.07% Li 2 O …
The utilization of 1-Dodecyl-3-methylimidazolium bromine …
In single apatite or feldspar flotation, the mineral recovery was determined by the dry weight of froth products and in-tank products. In the artificial samples mixture flotation, ... For each test, apatite or feldspar by mass fraction 5 % in background electrolyte solution was prepared and the suspension volume was 100 mL when …
In situ adsorption of mixed collectors BHA/DDA in spodumene-feldspar
The flotation concentrates and tailings were collected, dried, and weighed separately in order to calculate recoveries. The results were reported as average recoveries of three parallel experiments. Download: Download high-res image (104KB) Download: Download full-size image; Fig.2. Flowsheet of single and artificial mixed mineral …
Review of flotation of feldspar
A commercial feldspar product usually contains more than one feldspar mineral, and flotation conditions for the separation of individual feldspar minerals have been developed to produce individual feldspar minerals for specific applications. Potassium feldspar can be floated from sodium feldspar in a sodium chloride solution with an …
Feldspar flotation as a quartz-purification method in …
We achieved separation of quartz from feldspar with a newly built flotation cell for our feldspar-rich samples from the Pamir, Central Asia. Introducing flotation to the sample preparation procedure ensures quartz enrichment and mitigates problems related to contaminations with other mineral phases in 10 Be and 26 Al cosmogenic nuclide dating ...
Mitigating the negative impact of feldspar slime on …
The effect of collector concentration on lepidolite flotation was investigated by setting the concentration of feldspar slime at 5 g/L. As depicted in Fig. 5, lepidolite recovery increased with rising DDA/HQ330 concentration, stabilizing at 150 mg/L, after which the recovery stabilized.As the concentration of DDA/NaOl increased, the recovery of lepidolite also …
(PDF) Upgrading titanium bearing Na-feldspar by flotation …
Upgrading titanium bearing Na-feldspar by flotation using sulphonates, succinamate and soaps of vegetable oils ... The flotation conditions and procedure followed are summarized in Table 3 and Figure 2 respectively. TABLE 3 Flotation Test Conditions of High Titanium Ore Conditioning % Solids Rotor speed (rpm) Conditioning time (min) pH Frother ...
The Use of Flotation and High-Intensity Magnetic Separation …
Abstract The flotation process and magnetic separation are the most common methods for feldspar beneficiation containing approximately 0.4% Fe2O3 and …
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,
Selective flotation of quartz from feldspar using …
Abstract. Feldspar and quartz are similar in composition and structure, and hence, they exhibit low flotation separation efficiency in acid or alkaline conditions and …
Mitigating the negative effects of feldspar slime on …
The micro-flotation test results showed that the recovery of spodumene decreased with the addition of feldspar slime, but it was less affected in the NaOL/DDA system. The micro-flotation test, SEM images and adsorption test results indicated that the decrease of spodumene recovery was attributed to collector consumption by slime.
Systematic review of feldspar beneficiation and its …
The flotation test results show that Fe3+ can significantly improve the flotation behavior of minerals when NaOL is used as a collector under natural pH, and the highest recovery rates of feldspar ...
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Reduce the Iron Content in Egyptian Feldspar Ore of Wadi …
The flotation test of feldspar was carried out at pH ≈2.5 [3, 16]. Hydrofluoric acid was used as a depressant agent for quartz with 2000 gm/ton [3, 5, 19]. A dosage about 582 gm/ton of quaternary ammonium salt solution was used. Pine oil was used as a frother. The impeller speed was fixed at 1200 rpm and the total conditioning time was 8 min.
A Comparative Study of Quartz and Potassium Feldspar …
the feldspar surface while depositing fluoride ions [15]. As a result of this mechanism, feldspar tends to be effectively depressed in the presence of collectors. Quartz could be …
Effects of metal ions on the flotation separation of …
Spectra were measured using KBr pellets; each pellet contained 1 mg test sample and 100 mg KBr. A total of 32 scans were conducted for each sample. ... Moreover, the effects of these ions on the flotation of feldspar and quartz were different from those on the flotation of spodumene. Download : Download high-res image (447KB)
Green and sustainable recovery of feldspar and quartz from …
The present researches on the flotation of quartz and feldspar are based on single mineral and artificial mixed minerals flotation tests. The separation processes can be categorized into three types, as shown in Table 1 (Karaguzel et al., 2006, Larsen and Kleiv, 2016, O'meara, et al., 1939, Sekulić et al., 2004, Xie et al., 2021a).Although the fluorine …
Green and sustainable recovery of feldspar and quartz from …
Then, the quartz-feldspar separation was achieved using NaOH as pH adjuster, MgCl 2 as activator, and NaOT as collector. The results of the flotation test showed that the yield of quartz products was 24.51% with a grade of 96.04% SiO 2, and the yield of feldspar products was 41.77% with a grade of 14.06% K 2 O and Na 2 O. The …
A Comparative Study of Quartz and Potassium Feldspar …
An improved method for producing high-purity quartz (Qtz) and potassium feldspar (Kfs) concentrates was developed using various chemical reagents. Froth flotation experiments on a Qtz–Kfs mixture showed that quartz could be selectively …
Xanthate
Flotation test results [16] also showed that the collecting performance of n-pentyl xanthate was stronger than isopentyl xanthate. In general, the stronger the orbital hybridization of a bonding atom, the easier to interact with metal ions. Based on the preceding discussion of DOS, it is found out that the s, p orbital hybridization effect of ...
Flotation behavior and mechanism of α-bromododecanoic …
The recovery of spodumene and feldspar was 72% and 1% respectively, and a concentrate with Li 2 O grade of 4.6% and recovery of 88% was obtained in an artificial mixed ore flotation test [12]. Tianjia used a mixture of NaOL and DTAC as collector to separate spodumene from feldspar and explored the adsorption mechanism …
Upgrading titanium bearing Na-feldspar by flotation using …
Upgrading titanium bearing Na-feldspar by flotation 1365 EXPERIMENTAL STUDIES Since the two on~s have different physical properties, i.e. massive vs. weathered, and slight differences in their mineralogical textures, the preparation of test samples and flotation procedures had to be modified with regard to the characteristics of each ore ...
Two stage flotation of sodium feldspar
A flotation test was carried out at optimum conditions for flotation of feldspar minerals. The mass recovery of feldspar concentrate was 52.11% of feed (-250+38) µm.