sulfur flotation concentrate

  • Characterization and Flotation of Sulfur from

    2013-12-24 · Characterization and Flotation of Sulfur from Chalcopyrite Concentrate Leaching Residue H. K. Lin Mineral Industry Research Laboratory University of Alaska Fairbanks, Fairbanks, AK 99775-7240 Elemental sulfur produced by chloride leaching of sulfide ores or concentrates contains selenium and tellurium usually too high to be used in

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  • (PDF) Characterization and Flotation of Sulfur from ...

    The sulfur flotation concentrate can be treated with an innovative process [7,8] to purify the sulfur to +99.9% and simultaneously remove selenium and tellurium.

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  • Characterization and Flotation of Sulfur from Chalcopyrite ...

    2017-5-10 · The upgraded flotation concentrate f Vo1. 2, No.1 Characterization and Flotation of Sulfur from Chalcopyrite Concentrate Leaching 3 can serve as the feed for the above-mentioned or similar processes to produce selenium- and tellurium

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  • Selective Flotation of Elemental Sulfur from Pressure Acid ...

    An efficient flotation process was developed to selectively recover elemental sulfur from a high-sulfur pressure acid leaching residue of zinc sulfide concentrate. The process mineralogy analysis showed that the sulfur content reached 46.21%, and 81.97% of the sulfur existed as elemental sulfur which was the major mineral in the residue and primarily existed as pellet aggregate and

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  • Selective Flotation of Elemental Sulfur from Pressure Acid ...

    An efficient flotation process was developed to selectively recover elemental sulfur from a high-sulfur pressure acid leaching residue of zinc sulfide concentrate. The process mineralogy analysis showed that the sulfur content reached 46.21%, and 81.97% of the sulfur existed as elemental sulfur which was the major mineral in the residue and primarily existed as pellet aggregate and

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  • Characterization and Flotation of Sulfur from Chalcopyrite ...

    The majority of chalcopyrite remains in the sulfur flotation tailings and can be readily recovered by flotation with different flotation reagents. When amyl xanthate is used, 85% of chalcopyrite can be recovered with a copper grade of 14.5% in a single-stage froth flotation. The chalcopyrite flotation concentrate can be sent back to chloride ...

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  • Effective extraction of high purity sulfur from industrial ...

    2020-7-1 · Sulfur concentrate is produced as residue in the flotation of zinc industry, coming from the leaching process of zinc concentrate. Up to 86.7% of sulfur is recovered using toluene at 100 °C, and a 96.3% of high purity sulfur recovered at room temperature using carbon disulfide as

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  • Separation of elemental sulfur from hydrometallurgical ...

    2011-9-1 · Dried sulfur concentrate (~ 15% moisture) is fed continuously to a melting cone which is also fed by recycled molten sulfur from the dirty sulfur pit into which the melting cone discharges. The elemental sulfur fraction of the flotation concentrate melts and the unreacted sulfide particles are suspended in the melt.

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  • Performance Recognition for Sulphur Flotation Process ...

    Sulphur concentrate grade depends on flotation separation performance, and it is affected by the accuracy of the performance recognition. It is well recognized that froth visual appearance observed can characterize the combining effect of multiple process conditions on flotation [ 2 ], and it is also known as the indicator of flotation ...

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  • SRU Sulphur Recovery Process

    2016-5-9 · SULFUR FLOTATION. The superior cell-to-cell design and the principles of “Sub-Aeration” incorporated in “Sub-A” Flotation Machines enable

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  • (PDF) Characterization and Flotation of Sulfur from ...

    The sulfur flotation concentrate can be treated with an innovative process [7,8] to purify the sulfur to +99.9% and simultaneously remove selenium and tellurium.

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  • Effective extraction of high purity sulfur from industrial ...

    2020-7-1 · Sulfur concentrate is produced as residue in the flotation of zinc industry, coming from the leaching process of zinc concentrate. Up to 86.7% of sulfur is recovered using toluene at 100 °C, and a 96.3% of high purity sulfur recovered at room temperature using carbon disulfide as

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  • Characterization and Flotation of Sulfur from Chalcopyrite ...

    2016-7-13 · Elemental sulfur produced by chloride leaching of sulfide ores or concentrates contains selenium and tellurium usually too high to be used in various industrial or agricultural uses. The sulfur in the leaching residue can be upgraded to 90% in grade by froth flotation and the sulfur concentration can be followed by sulfur purification and selenium and tellurium removal.

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  • The Choice of Flotation Principle Process - JXSC Mining

    2021-12-29 · Sulfur flotation is separated to obtain copper concentrate, lead concentrate, zinc concentrate, and sulfur concentrate. This process is suitable for ore whose useful minerals are in aggregate, with coarser particle size, and the float-ability of different useful minerals are close, and the tailings can be discarded under rough grinding conditions.

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  • Performance Recognition for Sulphur Flotation Process ...

    Sulphur concentrate grade depends on flotation separation performance, and it is affected by the accuracy of the performance recognition. It is well recognized that froth visual appearance observed can characterize the combining effect of multiple process conditions on flotation [ 2 ], and it is also known as the indicator of flotation ...

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  • Dissolution mechanisms of elemental sulfur during ...

    2018-11-1 · For gold recovery, a Chinese refractory, high-sulfur gold concentrate was subjected to biooxidation with high pulp density in a single stirred-tank reactor. The flotation concentrate contained 36.9 percent sulfur (S) and 33.9 percent iron (Fe). Different experimental regimes for biooxidation were applied. With a mixed culture and by controlling the amount of addition of

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  • Hydrometallurgical treatment process for extraction of ...

    The process according to claim 1, wherein (A) sulfide levels in the flotation concentrate are 5-50% by mass sulfur, and (B) pressure oxidation conditions in the sulfide leaching are selected to control a partial oxidation of the sulfide minerals so that more than 10%, and up to approximately 80% by mass of the sulfur is retained as elemental ...

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  • Method of recovering sulfur from minerals and other

    A sulfurous compound such as a sulfur-rich “float” (concentrate) obtained by flotation of the residue from the leaching of a zinc concentrate is heated at a temperature not lower than the melting point of sulfur but below its boiling point, preferably not higher than 200° C., more preferably not higher than 140° C., and the evolving gas containing sulfur vapor is cooled at a

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  • Mechanism study on the sulfidation of ZnO with

    2017-2-10 · The experimental results of zinc leaching residue showed that a flotation concentrate with 39.13% Zn, 6.93% Pb and 973.54 g/t Ag was obtained, and the recovery rates of Zn, Pb and Ag were 48.38% ...

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  • Hunan Luxixinfeng 600 tpd Phosphorite Mineral

    The overflow from settling pond could be returned to the stage of sulfur flotation for recycle. The flotation phosphate concentrate used the the mechanical method of thickener + filter to dehydrate. The phosphate concentrate used a high-efficiency modified thickener to thicken and disc type vacuum filter to filter.

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  • Moving horizon estimation of sulfur concentrate grade

    2020-1-1 · This article proposed a moving horizon approach to predict sulfur concentrate grade in a sulfur flotation process. In this approach, the grade prediction problem is formulated as a moving horizon estimation problem. To build the nominal model for the ...

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  • Investigation of Flotation Separation of Elemental Sulfur ...

    The rectification of the obtained concentrate by flotation did not give acceptable results, since the yield of the foam product in all experiments was 93-96%. For the separation of lead sulphate from sulphur-sulfide concentrate was used in the granulation of sulfur in the following conditions: t = 145 °C, Po2 = 0,0-0,5 MPa, τ = 60 to 120 min.

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  • Performance Recognition for Sulphur Flotation Process ...

    Sulphur concentrate grade depends on flotation separation performance, and it is affected by the accuracy of the performance recognition. It is well recognized that froth visual appearance observed can characterize the combining effect of multiple process conditions on flotation [ 2 ], and it is also known as the indicator of flotation ...

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  • Process of removing sulfur from magnetite concentrates

    1. The flotation method of allocation of iron sulphides of magnetite concentrate and magnetizacijas the products, including grinding, conditioning with acid, ionic sulfur-containing collector, the reactant-modifier and flotation with the release of sulfides in the foam product, characterized in that as a reactant-modifier is based composition isoalantolactone alcohols C 8

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  • Method of recovering sulfur from minerals and other

    A sulfurous compound such as a sulfur-rich “float” (concentrate) obtained by flotation of the residue from the leaching of a zinc concentrate is heated at a temperature not lower than the melting point of sulfur but below its boiling point, preferably not higher than 200° C., more preferably not higher than 140° C., and the evolving gas containing sulfur vapor is cooled at a

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  • [Oxidation of sulfur-containing substrates by aboriginal ...

    The oxidation of elemental sulfur, sodium thiosulfate, and potassium tetrathionate as sole sources of energy has been monitored. The oxidation rate of the experimental community is higher as compared to the aboriginal community isolated from a flotation concentrate of pyrrhotine-containing pyrite-arsenopyrite gold-arsenic sulfide ore.

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  • Mechanism study on the sulfidation of ZnO with sulfur and ...

    2017-2-10 · The experimental results of zinc leaching residue showed that a flotation concentrate with 39.13% Zn, 6.93% Pb and 973.54 g/t Ag was obtained, and the recovery rates of Zn, Pb and Ag were 48.38% ...

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  • Hunan Luxixinfeng 600 tpd Phosphorite Mineral

    The overflow from settling pond could be returned to the stage of sulfur flotation for recycle. The flotation phosphate concentrate used the the mechanical method of thickener + filter to dehydrate. The phosphate concentrate used a high-efficiency modified thickener to thicken and disc type vacuum filter to filter.

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  • 1 Froth Flotation – Fundamental Principles

    2009-8-27 · 1 Froth Flotation – Fundamental Principles Froth flotation is a highly versatile method for physically separating particles based on differences in the ability of air bubbles to selectively adhere to specific mineral surfaces in a mineral/water slurry. The particles with attached air bubbles are then carried to the surface and

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  • 易流态化散装货物目录表《国际海运固体散装货物规则 ...

    2011-11-3 · 易流态化散装货物目录表《国际海运固体散装货物规则》(《IMSBC 规则》)中将易流态化货物标记为 类危险品,详细目录如下:序号 英文名 中文名 Blende (zinc sulphide) 闪锌矿(硫化锌) Calcinedpyrites 煅烧黄铁矿 CEMENTCOPPER 沉积铜 Chalcopyrite黄铜矿 COALSLURRY 煤泥 ...

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