The flotation performance of spodumene and feldspar with four size ranges (0–19, 19–38, 38–45 and 45–75 μm) are investigated in single mineral micro-flotation tests.

Flotation experiments performed on a quartz-feldspar mixture demonstrate that quartz can be floated selectively from feldspars in diluted solutions of hydrofluoric …

Flotation is an effective technology for the enrichment of spodumene and feldspar. Scholars have researched the aspects of reagent synthesis, mixed collectors, metal ion activation, and flotation parameter optimization to promote the flotation performance of spodumene [12], [13], [14] .

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 ...

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 ...

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.

Reverse flotation is nearly always the most popular beneficiation technique to eliminate coloring impurities and separate quartz and feldspar [ 7, 10, 11 ]. The …

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 ...

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.

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). …

Abstract. Feldspar and quartz are similar in composition and structure, and hence, they exhibit low flotation separation efficiency in acid or alkaline conditions and …

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 ...

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 ...

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, …

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. ... AI training, and similar technologies. For all open access content, the ...

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.

Moreover, the influence mechanism of SF on the selective flotation separation of feldspar and quartz was investigated via flotation tests, chemical analysis …

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. …

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 ...

Abstract The flotation process and magnetic separation are the most common methods for feldspar beneficiation containing approximately 0.4% Fe2O3 and 0.04% TiO2. A model MIH (13) 111-5 Induced Roll dry high-intensity magnetic separator was used in this investigation to produce high-quality feldspar concentrate, and …

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 ...

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 …

Ma et al. (2021) reported that nanobubble flotation technology improved the flotation recovery of fine flake graphite by up to 14.73 percentage points and significantly reduced the required number of flotation stages to produce the specified concentrate grade ... K-Feldspar; Content (%) 84.06: 3.47: 4.78: 2.69: 1.12: 1.07: 0.98: …

This paper reviews the beneficiation technology and mechanism of feldspar proposed in the literature to identify the important parameters. This review indicates that …

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].

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 ...

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 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 …

Froth flotation experiments on a Qtz–Kfs mixture showed that quartz could be selectively floated from Kfs in diluted hydrofluoric acid (HF) using a frother. Similarly, …

The commercialisation of technology for utilisation of glauconitic sandstone is available in USSR . ... Sekulic et al. reported a comparative study of feldspar flotation using two commercial collectors, AERO 3030C (Cytec Industries Inc.) and Flotigam DAT (Clariant AG). Both the two collectors have good ability to float feldspar from a mixture ...

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 collector with …

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 …

Our flotation cell, which has a volume of 600 cm 3, is built of borosilicate glass, holds up to 90 g of sample, and achieves quartz and feldspar separation in ≤2 h for very feldspar-rich samples. We trace the stepwise enrichment of quartz to 95- purity with our procedure by X-ray diffraction analysis.

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, …