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For each flotation test, the slurry was acquired by introducing the mineral samples (individual mineral of 2g or artificially mixed minerals of 1.4 g fluorapatite and 0.6 g dolomite) into the plexiglass cell with 25-mL deionized water. ... When PBTCA concentration increased to 0.2 mM, dolomite flotation was depressed (13.48% of …
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magnesite and dolomite are presented in Figure1where it can be seen that both magnesite and dolomite samples have high purity and almost no impurity peaks. 2.2.2. Flotation Tests Flotation tests of single minerals and artificially mixed samples were performed using an XFG-type agitation flotation machine (Shunze mining and …
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Laboratory comparison of five phosphate-dolomite-silica flotation separation processes, developed by various investigators, was completed using a 26% P 2 O 5 / 2+ % MgO …
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This paper analyzes the influence of sodium phosphate salts with different chain lengths as depressants on the flotation behavior of magnesite and dolomite through single mineral flotation test, contact angle test, and theoretical analysis. Flotation tests show that depressants should be added for the flotation separation of magnesite and …
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The single mineral flotation test was performed in the XFGCII flotation machine (Jilin Exploration Machinery Factory, China), and the impeller speed of the flotation machine was 1992 r/min. Firstly, 2.0 g of dolomite sample and 40 mL of different concentrations of SO 4 2-or PO 4 3-solutions were added in the cell.
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Single and artificially mixed minerals (mixture of magnesite and dolomite in mass ratios of 1:1 and 9:1, respectively) micro-flotation tests were performed in a 30 mL micro-flotation cell of a laboratory XFG self-aeration flotation machine (Jilin Exploration Machinery Plant, China) and the micro-flotation test is shown in Fig. 2.Micro-flotation …
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The flotation tests show that NaOL has strong collecting capacity in magnesite and dolomite flotation, so it is difficult to separate two minerals via flotation without inhibitors.
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The results of the dolomite flotation test (Figure 12 and Figure 13) demonstrated that grinding with short cylinder grinding media had a positive impact on …
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Flotation test of a single mineral under an ether amine system. Under the ether amine system, the flotation behaviour of magnesite, dolomite, and quartz single minerals was studied.
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dolomite surface were detected by AFM in a pH 5 solution. Meanwhile, the deionized aqueous solution was serves as a reference. The influence of CO 2 bubbles on flotation behavior and surface wettability of dolomite was clarified by micro-flotation test, contact angle measurement, and molecular dynamics simulation (MDS). 2. Materials and …
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The flotation separation of dolomite and fluorapatite is difficult due to the similar surface properties. In this study, carboxymethyl cellulose (CMC) was introduced as a depressant for flotation of dolomite and fluorapatite, the adsorption mechanism of CMC on the mineral surfaces was clarified by DFT calculations, XPS analysis, zeta potential and …
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In the reverse flotation of fluorapatite and dolomite, high-efficiency depressors of fluorapatite have received considerable attention. In this paper, the depression mechanism of hydroxy ethylene …
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Reflecting on the flotation test in Fig. 13, Atrac 50L successfully recovered a carbonate concentrate assaying 78.23% carbonate (calcite and dolomite), but it also …
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The recovery of dolomite was only 30%. In the flotation test of mixed minerals, the recovery of magnesite increased by 19.6%, and the SI separation index …
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In the practical flotation test of the ore, the concentration of MgO in the concentrate, compared with the original process with CMC alone, was reduced from 9.62% to lesser than 5.92%, with the ...
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The influence of pulp temperature on the floatability of magnesite and dolomite were studied by flotation test. Inductive Coupled Plasma Emission Spectrometer (ICP) was used to measure the dissolved metal ion content in the pulp by minerals in solution. X-ray photoelectron spectroscopy (XPS) was used to measure the presence …
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This paper analyzes the influence of sodium phosphate salts with different chain lengths as depressants on the flotation behavior of magnesite and dolomite through single mineral flotation test ...
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The flotation results demonstrate that Na2ATP exhibits a more intense depression on the flotation of dolomite than that of magnesite and can separate effectively magnesite from dolomite, which ...
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Flotation test. The micro-flotation tests utilized an FGC inflatable hanging groove flotation device, equipped with a 40 mL effective volume organic glass flotation cell, …
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In this study, HEDP was selected to use together with water glass, the objective was to study the magnesite-dolomite-calcite flotation separation using WG + HEDP as depressants, and the inhibition performance of the mixed depressants was elucidated by micro-flotation test, zeta potential test, contact angle test, XPS test and …
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A reverse flotation test was carried out for the artificial ore of apatite and dolomite, and the influence of the sodium oleate dosage on the flotation separation performance of apatite dolomite was discussed. ... R. Effect and mechanism of phosphoric acid in the apatite/dolomite flotation system. Int. J. Miner. Process. 2017, 167, 95–102 ...
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The flotation experimental results (Fig. 6 a) demonstrates that, compared to oleic acid, the reduced collecting abilities of 2-Cl-9-ODA for dolomite and calcite particles grant it better selectivity in the flotation separation of apatite from dolomite and calcite. The following sections provide a detailed explanation of the mechanism behind the ...
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Flotation is the most widely used method to effectively separate dolomite and quartz from collophane. Conventional amine collectors can't effectively remove silicate minerals due to their poor ...
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This paper analyzes the influence of sodium phosphate salts with different chain lengths as depressants on the flotation behavior of magnesite and dolomite through single mineral flotation test, contact angle test, and theoretical analysis. Flotation tests show that depressants should be added for the flotation separation of magnesite and …
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The separation of magnesite from dolomite was studied by flotation tests, X-ray photoelectron spectroscopy (XPS), and zeta potential measurements in the presence of calcium ion (Ca2+) dissolved from dolomite. Sodium oleate (NaOL) was used as collector, and sodium carbonate (Na2CO3) and sodium hexametaphosphate (SH) …
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Flotation test of a single mineral under an ether amine system. Under the ether amine system, the flotation behaviour of magnesite, dolomite, and quartz single minerals was studied.
WhatsApp: +86 18221755073
Using sodium oleate as a collector, we carried out the flotation test of magnesite and dolomite under different concentrations of collector. The test result is shown in Figure 3. The test shows that,
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Reflecting on the flotation test in Fig. 13, Atrac 50L successfully recovered a carbonate concentrate assaying 78.23% carbonate (calcite and dolomite), but it also captured 12% CFA. Among these CFA particles, 22% existed as free particles, while the remaining 78% were mainly associated with calcite and dolomite.
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The flotation results demonstrate that Na2ATP exhibits a more intense depression on the flotation of dolomite than that of magnesite and can separate effectively magnesite from dolomite, which ...
WhatsApp: +86 18221755073
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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