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flotation fluorite selective

Selective flotation separation of fluorite from calcite by application ...

Jul 1, 2021Flotation results of fluorite and calcite mixed minerals under different reagent schemes. Fig. 5 shows flotation recovery of fluorite and calcite as a function of FG dosage using 20 mg/L NaOl as collector at pH 8. As is shown in Fig. 5, the flotation recovery of fluorite barely changed (around 90%) as FG dosage increases to 120 mg/L.

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Lower temperature flotation of carbonate-fluorite ores

It is found that oxyhydrate collectors used in combination with sodium fluoride provide rather high level of selectivity in fluoride flotation from poor high-carbonate ores and make it possible to eliminate high-temperature pulp treatment with acceptable reduction in the flotation temperature to 15°C and below.

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Selective Separation of Fluorite from Scheelite Using N ... - MDPI

Jul 4, 2022A new collector SDAA was applied to the selective reverse flotation of fluorite from scheelite. The results of minerals flotation tests showed that under the 1.6 × 10 −5 mol/L SDAA at pH 7.0, the selective separation of fluorite against scheelite could be achieved and both high-grade scheelite tailing and fluorite concentrate could be obtained.

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Selective flotation separation of fluorite from calcite by using ...

Dec 1, 2021Micro-flotation experiments indicated that SG could efficiently realise the flotation separation of fluorite from calcite. Laboratory-scale flotation tests showed that good beneficiation indices...

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IMPROVING FLUORITE FLOTATION UNDER LOW TEMPERATURE AND NEUTRAL pH ...

The authors provide insight into the problem of selective flotation of fluorite from quartz-fluorite ores. The flotation of fluorite mineral from ores by using acidized water glass as depressant has been studied for substitution of the commonly used depressant. It was found that the acidized water glass could achieve higher selectivity of ...

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Selective flotation separation of fluorite and calcite by utilising a ...

Mar 1, 2022Flotation tests were conducted to study the flotation performance of fluorite and calcite, and X-ray photoelectron spectroscopy (XPS) and atomic force microscopy (AFM) analyses were performed to...

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Selective flotation of fine-ingrained carbonate-fluorite ore in pulp of ...

The studies into the fine-ingrained high-carbonate fluorite ore concentration show that increasing of pulp dispersion uniformity results in higher selectivity of flotation. The researchers find out availability of quality fluorite concentrate in processing of low-grade ore with carbonate index less than 1 at CaF2 recovery up to 70%.

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Selective flotation separation of fluorite from calcite by using ...

Dec 1, 2021however, the flotation separation of fluorite and calcite under anionic fatty-acid system is difficult and problematic and the main reasons are as follows ( zhu et al., 2018 ): (1) their similar surface properties and similar reactivity to fatty-acid collectors; (2) their soluble characteristics and complex dissolved mineral lattice ions and (3) .

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Selective Flotation of Calcite from Fluorite: A Novel Reagent Schedule

A selective depressant for fluorite is needed. An SOA dosage of 6 mg/L was preferred for all other flotation experiments. Figure 3. Effect of SOA dosage ( a) and pH ( b) on flotation recoveries of calcite and fluorite minerals using SOA as the collector. CA was used as a depressant for the flotation test.

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