New insights into the oleate flotation response of feldspar particles
Flotation is the most effective way to separate quartz and feldspar, but conventional flotation is usually achieved under acidic or alkaline conditions, which causes pollution to the environment.
Mitigating the negative effects of feldspar slime on …
The influence of feldspar slime on the flotation of spodumene in the NaOL and NaOL/DDA (mole ratio is 9/1) systems was investigated by micro-flotation at pH 8.0–8.5. ... The authors gratefully acknowledge the financial support of this research by Provincial Science and technology leader (Innovation team of interface chemistry of …
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 …
Selective flotation separation of spodumene from feldspar …
As the SA concentration increased, the feldspar flotation was efficiently depressed, and the recovery dropped to less than 15%, although the flotation of spodumene was maintained at more than 79% until the SA dosage exceeded 50 mg/L. ... (Grant No. 2018QNRC001), the Sichuan Science and Technology Program (Grant Nos. …
In Situ Adsorption of Mixed Anionic/Cationic Collectors in a …
Herein, we investigated the effects of mixed collectors with varying alkyl chain lengths and ligand types on the hydrophobicity of the spodumene-feldspar flotation system. Various collector-mineral interactions were compared using in situ attenuated total reflectance Fourier transform infrared (ATR- …
Synergistic effect and co-adsorption mechanism of a
Flotation is the most efficient and widely used method for separating feldspar from spodumene [6]. Spodumene and feldspar are both aluminum-containing minerals, the surface chemical properties of the two minerals are similar, and their surface active sites are mainly Al 3+ [7].
Selective flotation separation of spodumene from feldspar …
Attempts were made to separate spodumene from feldspar on flotation using the mixture of NaOL and ND13 as the anionic/cationic collectors. ... (C 15 H 34 N2) with 98% purity was purchased from Shanghai yuanye Bio-Technology Co., Ltd. The chemical structure formula of ND13 is shown in Fig. 2. HCl and NaOH (analytical chemical grade, …
Application of different collectors in the flotation …
For flotation of feldspar better recoveries were obtained with the application of the collector Aero 3030C (19.58%) than with collector Flotigam DAT (6.18%). ... This work is part of the research activities on the Project "Development and application of novel technologies of preparation of raw non-metalic materials and revitalization of ...
Removal of dolomite and potassium feldspar from apatite …
The powerful in-situ detection technologies can establish a new platform for exploring the underlying mechanism of new reagent at the solid-liquid interface and the in-depth understanding related to adsorption behavior of mixed collector is beneficial for facilitating the selection and design of efficient and environment-friendly flotation …
Upgrading titanium bearing Na-feldspar by flotation using …
The K-feldspar flotation was performed in alkaline environment (pH 10.5–11.6) with only the addition of NaOH as a modifier and non-ionic Brij58 as a frother, on a fluorine-amine activated bulk feldspar concentrate from the preceding feldspar-quartz separation. ... This paper reviews the beneficiation technology and mechanism of …
The Use of Flotation and High-Intensity Magnetic …
Reverse flotation is nearly always the most popular beneficiation technique to eliminate coloring impurities and separate quartz and feldspar [ 7, 10, 11 ]. The …
Removal of dolomite and potassium feldspar from apatite …
For the flotation of artificial mixed ore, the separation efficiency E (%) was used to evaluate the separation effect, and was calculated as follows [20]: (2) E = ε-γ ε m a x-γ o p t × 100 % where ε max is the theoretical maximum recovery, %; and γ opt the theoretical maximum yield, %.. For mixed mineral flotation, ε max was set to and …
Flotation of quartz from quartz-feldspar mixtures by the HF …
Froth flotation is the selected method for the separation of quartz and feldspar. In the conventional process, feldspar is floated from quartz by using hydrofluoric acid (HF) as activator for the feldspar and a cationic collector (amine) at pH 2–3 (O'Meara, 1939). (1979) reported that HF creates a large difference in the minerals ...
Systematic review of feldspar beneficiation and its comprehensive
This paper reviews the beneficiation technology and mechanism of feldspar proposed in the literature to identify the important parameters. This review indicates that crystal structure, monovalent salts, flotation reagents, and particle size distribution are important factors in the process. Environmentally-friendly principle and economic ...
Selective flotation of K-feldspar from Na-feldspar in …
The K-feldspar flotation was performed in alkaline environment (pH 10.5–11.6) with only the addition of NaOH as a modifier and non-ionic Brij58 as a frother, on a fluorine-amine activated bulk ...
Selective flotation separation of spodumene from feldspar …
Considering that metal ions, such as Si 4+ and Al 3+, are abundant in the spodumene–feldspar flotation system, SA is a potential depressant for this system. However, there are no published papers concerning the use of SA as a green and efficient depressant in the spodumene–feldspar system. ... . 2019YFS0453 and 2018JY0148), …
Recent Developments in Generation, Detection and …
Some companies, such as Canadian Process Technologies (CPT), Coalberg seam coal in West ia, CSIRO Energy Technology, and Novatech Consulting, have applied high-shear cavitation to improve flotation of fine coal, iron ore, phosphate, fluorite, niobium, feldspar, mica, and molybdenum. They illustrated that …
Synergistic effect and co-adsorption mechanism of a
The micro-flotation tests showed that the negative effect of feldspar slime on spodumene flotation could be reduced by using the mixed NaOL/DDA collector with mole ratio of 9/1.
Systematic review of feldspar beneficiation and its …
This paper reviews the beneficiation technology and mechanism of feldspar proposed in the literature to identify the important parameters. This review indicates that …
Atomic insight into the activation mechanism of feldspar by …
ABSTRACT As we all know, sodium oleate (NaOL) is usually used as a collector for oxidized minerals, but in this study, it is used as an activator for feldspar to separate from quartz. Therefore, the adsorption mechanism, topography, and configurations of NaOL on the quartz and feldspar surface were investigated using X-ray photoelectron …
Feldspar flotation machine from germany technology
German feldspar flotation technology is the most advanced and efficient feldspar flotation technology available. German companies have developed a number of innovative flotation technologies that are used to process feldspar ores. These technologies are more efficient, have a higher capacity, and are more environmentally …
Feldspar flotation as a quartz-purification method in …
Feldspar flotation as a quartz-purification method in cosmogenic nuclide dating: A case study of fluvial sediments from the Pamir - PMC. Journal List. MethodsX. v.5; 2018. …
Flotation Chemistry and Technology of Nonsulfide …
feldspar). Consequently, some flotation separations are accomplished from saturated brine, though other separations are achieved in solutions of rather low ionic strength. Also, certain ... Nonsulfide flotation also differs technically from sulfide flotation technology with respect to particle size. In many, though not all, nonsulfide systems ...
Difference of solidophilic atoms in collectors: …
Currently, flotation is the most common method for recovering spodumene [11]. However, in nature ore deposit, spodumene often associates with gangue minerals such as feldspar (NaAl[SiO 3] 2) [12]. Spodumene and feldspar are aluminosilicate minerals with similar crystal structure and chemical composition.
feldspar flotation machinery technology | Mining & Quarry …
In the early years of flotation the grade of feldspar produced was most … and fiber optical high technology markets . tools used in feldspar mining – Tanzania Crusher After magnetic separator after the initial separation of the mineral particles are fed into the flotation machine, feldspar … equipment beneficiation technology, …
The beneficiation of lithium minerals from hard rock ores: …
Feldspar is a common occurrence in spodumene ores, and has applications in glass making. K-feldspar is a key component in the manufacturing of ceramic materials. Froth flotation is the main method used for the recovery of feldspar from lithium ores because its flotation properties are well understood (Fuerstenau and Pradip, 2005). …
Review of flotation of feldspar
This paper reviews the application of flotation for the separation of feldspar from the other minerals with which it naturally occurs (such as quartz, clay minerals, mica ... a volume in memory of Alexander Sutulov, Proc. IV Meet. of the Southern Hemisphere on 'Mineral technology', (ed., Castro S, Alvarez J, ed), 171–186; Concepcion ...
Minerals Research Lab Reports
The Minerals Research Laboratory is a world leader in research, development, and implementation of mineral processing techniques. The MRL is part of the North Carolina State University College of Engineering, under the management of the NC State Industry Expansion Solutions. Introduction This page lists public mineral beneficiation reports …
Flotation separation of feldspar from quartz using …
Moreover, the influence mechanism of SF on the selective flotation separation of feldspar and quartz was investigated via flotation tests, chemical analysis …
The effect of Al(III) and Fe(III) ions on the flotation behavior …
The study employs micro-flotation experiments, solution chemistry calculations, zeta potential measurements, and FT-IR and XPS analyses to demonstrate that Al(III) and Fe(III) ions can significantly improve the flotation recovery of K-feldspar by altering its surface charge, bonding properties, and adsorption modes.
