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1. Introduction. The flotation process is a separation technique primarily used in mineral processing for the recovery of minerals (Wills and Finch, 2016), that also finds application in other industrial processes such as wastewater treatment and paper recycling (Saththasivam et al., 2016, Vashisth et al., 2011).Separation of mineral particles by …
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MIBC is a non-ionic surface-active substance that preferentially adsorbs at the liquid–gas interface and has an impact on the bubble size and its velocity. Therefore, MIBC affected the particle-bubble collision by increasing the sliding time between the bubble and the particle in a micro-flotation cell.
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2.1. Effect of Collector Concentration on Flotation Recovery. Xanthates are the salts of xanthic acid (alkyl/aryl dithiocarbonic acid) and are formed through the replacement of two oxygen atoms in carbonic acid by sulfur and replacement of one hydrogen atom by an alkyl/aryl group. 22 They are commonly used as a standard …
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Nevertheless, this possible consumption of MIBC does not show to have an overall negative impact on the flotation of graphite as the cooperative effect of hydrophobization of particles and froth ...
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MIBC absorbs at the water-air interface, aids in the production of bubbles, and stabilizes the flotation froths. Two major types of frothers in commercial use today are short chain aliphatic alcohols and polyglycols. MIBC is the most commonly used alcohol frother due to its many advantages: Fast kinetics. Forms dry but easy-to-break froths.
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The effect increased with ion valence and a correlation between gas holdup and ionic strength was demonstrated. Gas holdup for salt solutions with ionic strength ca. 0.4, as at the Raglan concentrator, is similar to that of ca. 10 ppm MIBC, which is a typical dosage for this common frother
DetailsDOI: 10.1007/s42461-024-00919-1 Corpus ID: 267084857; The Effect of Methyl Isobutyl Carbinol "MIBC" on the Froth Stability and Flotation Performance of Low-Grade Phosphate Ore
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In this study, effect of diesel on the froth stability and its anti mechanism in fine coal flotation used MIBC as the frother was investigated. Three-phase and two-phase froth stability tests were first carried out and the negative effect of diesel on froth stability was further explained by the single film drainage and spreading ...
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The Effect of Flotation Reagents Addition (MIBC and PAX) on the Relative Permittivity Value Using 2-Electrode Capacitance Sensor @article{Haryono2017TheEO, title={The Effect of Flotation Reagents Addition (MIBC and PAX) on the Relative Permittivity Value Using 2-Electrode Capacitance Sensor}, author={Didied Haryono and Harisma Nugraha …
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flotation have been discussed in our previous work (Xu et al., 2022). The promotion effects of air-oversaturated water on the recovery of graphite in flotation without regeants were …
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In this study, flotation tests in seawater were conducted to examine the effect of frother's dosage (MIBC) on the froth stability and flotation performance of low-grade phosphate ore.
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Flotation characteristics of molybdenite and talc are controlled by surface properties of their cleavage planes. Because the inherent hydrophobicity is common to the cleavage planes of both of these minerals, their separation by flotation is relatively more difficult compared to other mineral separation systems. Wettabilities of molybdenite and …
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Test results indicate that F-1, MIBC, and MPC (in order of decreasing effectiveness) provided the weakest performance in terms of combustible recovery while F-2, MAC, …
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This work aims to examine the effect of frother's dosage (MIBC) on the froth stability and flotation performance of low-grade phosphate ore in seawater. This research was motivated by the fact that phosphate flotation operations use a huge amount of fresh …
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interaction between mibc and sodium metasilicate effect of flotation reagents on the adsorption
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The conditioning of shale was carried out by mixing 1.0 g of solid particles with 0.500 dm 3 of either water or aqueous solutions of flotation reagents on a magnetic stirrer at 300 rpm for 10 min. The MIBC concentration was constant and equal to 25 mg·dm −3, while the concentration of KEX ranged from 0 to 1.0 mg·dm −3.In the ultrasound pre …
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In this study, the effect of MIBC on C-matter flotation was investigated to understand the role of the frother in bubble and froth formation and on flotation kinetics. MIBC dosages between 30 and 150 g/t were used in combination with 500 g/t of kerosene as a collector. The results showed that the recovery and selectivity of C-matter were ...
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A new analytical approach was developed to measure the MIBC concentration in the flotation and the water circuit through the coking coal processing plant. It is based on the specific interaction of the apolar group of MIBC with a formulated liquid comprising β –CD and pyrene. The method involves mixing the formulated liquid with the sample ...
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This paper attends the study of froth behaviour for the design of future launder, crowder and scraper configurations. The effect of gas superficial velocity (Jg) and Methyl Isobutyl Carbinol/Sodium Isopropyl Xanthate (MIBC/X-343) reagent dosage on froth horizontal displacement, bubble size of the froth surface, froth velocity, froth carrying …
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Currently, the nonionic mixed surfactant is widely employed as the frother for fine coal flotation. In this study, we focused on examining the properties of a mixed …
DetailsAs freshwater resources are becoming scarce, the use of seawater as replacement of fresh water is appealing in order to make mineral processing operations more sustainable. Since froth stability plays a critical role in determining the performance of flotation operations, there is an urgent need to study the effect of frother dosage and seawater on froth …
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On the other hand, the use of raw seawater can adversely affect the flotation of sulfides such as molybdenite (MoS 2 ) and increase lime consumption due to the buffering effect of seawater at high ...
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Flotation is the traditional process used for concentrating sulfide ores, based on the differences in hydrophobicity exhibited by the minerals which are enhanced by collectors. Xanthates are the collectors widely used in the flotation of minerals such as common sulfides (Cu, Mo, Pb, Zn, Co, Ni) and native metals. However, xanthates have …
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The material for batch scale flotation tests was the same that is being fed to the Kiruna concentrator. About 40 kg materials were collected from the feed line to the flotation circuit at the plant and it was filtered, dried and sampled to 2 kg batches. All flotation chemicals, Atrac, water glass and MIBC that
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Collector type and pulp pH play an important role in the lead–zinc ore flotation process. In the current study, the effect of pulp pH and the collector type parameters on the galena and ...
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The alcohols (such as MIBC) give relatively large change in gas hold-up with increasing frother concentration but little change in stable froth height in comparison to polyglycols …
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In this study, flotation tests in seawater were conducted to examine the effect of frother's dosage (MIBC) on the froth stability and flotation performance of low-grade phosphate …
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Bournival et al. (2012) studied NaCl and MIBC as bubble coalescence inhibitors in relation to froth flotation and found that NaCl at higher concentrations was as effective as MIBC in preventing ...
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In this study, the effect of MIBC on C-matter flotation was investigated to understand the role of the frother in bubble and froth formation and on flotation kinetics. MIBC dosages between 30 and ...
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Flotation Frothers – Frothing Agents. The next reagent that is added is the Flotation FROTHER. The frother strengthens the surface tension of the air that is injected into the flotation cell. As the air rises in the shape of bubbles, they come into contact with the mineral laden collector which attaches itself to the air.
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Quinn et al. (2007) investigated the effect of inorganic ions on gas dispersion in a two-phase column cell where the results were compared to MIBC. They found similarities in flotation performance in saline conditions with ionic strength of 0.4 M (NaCl) and 10 ppm of MIBC.
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As the MIBC concentration increases, the Sauter mean diameter of bubble (D32) decreases from 2.0-4.0 mm at 0 ppm to around 1.0 mm at the CCC, depending on test conditions [7, 9, 10,12]. With an ...
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The use of alkaline pressure oxidation to pretreat refractory gold ore often results in insufficient gold recovery (<60%) in downstream thiosulfate leaching. To improve gold recovery, flotation was considered for the separation of carbonaceous matter (C-matter). In this study, the effect of MIBC on C-matter flotation was investigated to …
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Froth Flotation Froth flotation is one of the most versatile and flexible of all mineral separation processes. Reasonable results are fairly easy to obtain but outstanding performance from a circuit requires constant attention and good understanding of the process and ore. Some of the variables that affect the operation and
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concentrate, the proper dosage of MIBC was 175 g/ton. Figure 7. Effect of MIBC dosage (diesel oil 600 g/t, solid ratio 10%, pH= 8, Na2SiO3 1000 g/t). 4.1.5 Effect of collector type and dosage To determine the effect of collector type and dosage on graphite flotation, diesel oil, kerosene and n-dodecane were tested. The results are shown in Fig. 8.
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Flotation results showed that DMSA has strong depression effect on chalcopyrite but slightly inhibition effect on molybdenite. Optimal separation efficiency is obtained when DMSA concentrate was ...
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Flotation of coarse-sized quartz was examined with and without NBs. • DDA, A65, MIBC and PO were employed to generate NBs by hydrodynamic cavitation. • Stability and d 32 of the NBs followed as DDA > PO > MIBC>A65 and A65 < MIBC
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