##tihuan2##Micro-flotation results indicated that the addition of P (AA-AMPS) could achieve the efficient separation of apatite from dolomite at pH 8.5 by selectively depressing the dolomite flotation, in which more than 87.4% of apatite was recovered whereas the dolomite recovery was less than 14.7%.
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##tihuan2##Simultaneous ultrasonic treatment and flotation improved the flotation separation efficiency of magnesite and dolomite, with the flotation recovery of magnesite concentrate reaching 91.06%. ... In the test, the ultrasonic frequency was fixed at 40 kHz. Minerals (3 g) were added to a 70 mL flotation cell, and 60 mL of deionized water was …
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##tihuan2##Flotation separation of magnesite from dolomite in the presence of SSZS (sodium silicate modified with zinc sulfate) as an inhibitor and NaOL (sodium oleate) as a collector has been studied via flotation tests, zeta potential measurements, contact angle measurements, and Fourier transformation infrared spectroscopy analysis (FT-IR). The …
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##tihuan2##Dolomite is a common carbonate mineral that can release CO2 gas under acidic conditions. The formation of bubbles on the dolomite surface might play a critical role in the flotation ...
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##tihuan2##Key technologies and development trends for efficient flotation recovery of lepidolite. Author links open overlay panel Fen Jiao a b 1, Zheyi Zhang a b 1, Qian ... [65]: (a) cell model of feldspar; (b) crystal structure along calcite (101); (c) unit cell of quartz cleave ... dodecylamine with three anionic collectors on the dolomite surface. (a
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##tihuan2##Flotation Separation of Dolomite from Magnesite Surface characterizations of dolomite and magnesite indicate that their separation from each other is quite complicated; however, separation can be …
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##tihuan2##Micro-flotation results indicated that the addition of P (AA-AMPS) could achieve the efficient separation of apatite from dolomite at pH 8.5 by selectively …
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##tihuan2##Microflotation tests were conducted on a laboratory-based XFG-II flotation machine with a 40-mL flotation cell, produced by Changchun Exploration Machinery Factory in Jilin Province. For each experiment, 2.0 g of mineral sample and 28 mL of deionized water were poured into the flotation cell [34]. The flotation process includes …
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##tihuan2##Semantic Scholar extracted view of "Adsorption mechanism of green efficient chelating poly-L-aspartic acid in flotation separation of brucite and dolomite" by X. Gong et al. Skip to search form Skip to main content Skip to account menu. Semantic Scholar's Logo. Search 220,354,185 papers from all fields of science ...
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##tihuan2##Flotation technique: Its mechanisms and design parameters. Ritesh Prakash, ... Anugrah Singh, in Chemical Engineering and Processing - Process Intensification, 2018. 1 Introduction. Flotation is a widely used, cost-effective separation technique for wastewater treatment [1], mineral beneficiation [2], micro-oxygenation of wine [3], fermentation [4], …
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##tihuan2##Keywords: Aerated Jet Flotation Cell, mechanical flotation cell, fine particle, coarse particle, separation efficiency 1. Introduction Froth flotation is regarded as an effective technique for separating different minerals from the raw ore based on their different surface hydrophobicity, which has been used in minerals beneficiation over a
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##tihuan2##In the conventional flotation cell, the detachment of particles from the bubbles due to turbulence is the main reason for the decline in the coarse particle recovery (De et al., 2007, Fuerstenau et al., 2007).However, turbulence is imperative in the flotation cell to bring about bubble particle collision, keep particles in suspension, and disperse …
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##tihuan2##Six hundred grams of the samples was ground with a wet ball mill to achieve an 82% passing of 74 μm. Flotation experiments were carried out using a self-aerated XFD-63 flotation machine (Jilin Exploring Machinery Plant, Jilin, China) with a 1.5 L volume for rougher-scavenger flotation and 0.5 L for cleaner flotation, and the impeller speed …
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##tihuan2##The depletion of ore deposits, the increasing demand for raw materials, the need to process low-grade, complex and finely disseminated ores, and the reprocessing of tailings are challenges especially for froth flotation separation technologies. Even though they are capable of handling relatively fine grain sizes, the flotation separation of very …
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##tihuan2##Dolomite, a prominent calcium-bearing gangue mineral found in carbonate-type zinc oxide ores, poses a significant challenge for effective flotation separation alongside smithsonite due to their highly similar surface properties. The present study explores the potential of 2-(4,4-dimethylpentan-2-yl)-5,7,7-trimethyloctanoic acid (2 …
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##tihuan2##The flotation machine featured a cell with an effective volume of 30 mL and an impeller with a diameter of 25.0 mm, rotating at 1992 rpm. For each experiment, 2.0 g of a single mineral or a mixed mineral (with a mass ratio of 3∶2 for magnesite to dolomite) was precisely weighed and introduced into the flotation cell.
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##tihuan2##The effect of -10 μm dolomite fines (Dol-10μm) on the flotation of -75 + 25 μm dolomite (Dol-75+25μm) and -75 + 25 μm fluorapatite (FAp-75+25μm) from a detailed mechanism was investigated by ...
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##tihuan2##Moreover, this electrolysis unit is adapted in a mechanical Denver-type flotation cell. The resulting hybrid flotation device is capable of producing bubbles within a wide range of diameters. ... The dolomite content in the concentrate is about 20%, where 80% of dolomite was removed and importantly 98% of the quartz was removed, with …
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##tihuan2##Herein, the flotation separation of dolomite and brucite was performed using tetrasodium hydroxyethylphosphate (TH) as the inhibitor. Microflotation tests show that for a sodium dodecyl sulfonate (SDS) concentration of 30 mg/L, 100 mg/L of TH can achieve the maximum flotation separation of 73.91% between brucite and dolomite. Moreover, the …
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##tihuan2##514 Physicochem. Probl. Miner. Process., 56(3), 2020, 513-527 Generally, the conventional mechanical flotation cells produce bubble size in the range of 1.2-2.7 mm
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##tihuan2##Micro-flotation results indicated that the addition of P (AA-AMPS) could achieve the efficient separation of apatite from dolomite at pH 8.5 by selectively depressing the dolomite flotation, in ...
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##tihuan2##This paper presents a comprehensive study on the selective flotation of a multi calcium-bearing minerals ore, focusing on the efficient removal of dolomite and …
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##tihuan2##Micro-flotation results indicated that the addition of P (AA-AMPS) could achieve the efficient separation of apatite from dolomite at pH 8.5 by selectively depressing the dolomite flotation, in ...
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##tihuan2##The Brillouin zone were sampled using 3 × 3 × 3 Monkhorst-Pack k-point for crystallographic unit cell of magnesite and dolomite. In DMol3, The DFT Semi-core pseudopots (DSPP) was utilized to treat core electrons. ... GG could be employed as a high-efficiency flotation inhibitor in separating magnesite from dolomite. CRediT …
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##tihuan2##dolomite is higher than that of apatite, which is due to the strong reaction between calcium lignosulfonate and the Ca sites on dolomite. In addi-tion, there is a hydrogen bond between calcium lignosulfonate and dolomite, which further prevents the adsorption of sodium oleate to dolo-mite, thus greatly inhibiting the flotation of dolomite.
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##tihuan2##Micro-flotation results indicated that the addition of P (AA-AMPS) could achieve the efficient separation of apatite from dolomite at pH 8.5 by selectively depressing the dolomite flotation, in ...
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##tihuan2##2.9.2. DFT simulation. DFT is extensively employed to analyze the chemical reaction mechanisms between flotation reagents and mineral surfaces, thereby enhancing the efficiency and selectivity of the flotation process [30], [31].The optimization of geometry and calculation of energy for the dolomite crystal and its adsorption system were …
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##tihuan2##l role in both direct flotation and reverse flotation of minerals [13–16]. In order to separate apatite from carbonate minerals (dolomite or calcite) using the direct flotation method, …
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##tihuan2##Equipment Co., Ltd., Changchun) was used. The flotation cell capacity was 40 cm3, and the impeller speed was adjusted to 1992 r/min. 2.0 g of mineral samples and 35 cm3 of deionized water were added to the flotation cell. The slurry was evenly stirred for 1 min,followed by adding PASP for 2 min.
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