Froth Flotation Of Sulfide Minerals

Flotation of sulfide minerals Inspiration

What is claimed is 1 In the process of froth flotation concentration of a sulfide mineral which minimizes the collection of slimes and in which an aqueous pulp of an ore containing such mineral is subjected to a flotation operation to produce a final high recovery of such mineral in a flotation concentrate the improvement comprising carrying out said flotation with a polyglycerol added

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Surface Chemistry of Froth Flotation Volume

29/06/2013· th The technology of froth flotation invented in the early 20 century was first used for the concentration of sulfide minerals Since then it has been applied for the processing of many nonsulfide ores as weIl including oxides carbonates silicates soluble minerals like halite and sylvite and energy minerals like coal and bitumen In recent years it has been used for several nonrnineral

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BENEFICIATION OF SULFIDE MINERALS Justia

15/10/2002· In froth flotation processes in which it is desirable to selectively collect copper sulfide minerals and selectively reject iron sulfide minerals such as pyrite and pyrrhotite as well as other gangue sulfides the collector is preferably used in amounts of from about lb /ton to about 5 lbs /ton of ore in the slurry

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Froth flotation

Froth flotation is a selective process for separating minerals from gangue by using surfactants and wetting agents The selective separation of the minerals makes processing complex that is mixed ores economically feasible The flotation process is used for the separation of a large range of sulfides carbonates and oxides prior to further refinement

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Minerals Free Full Text Derivation of

The wettability and floatability of oxidized chalcocite bornite and chalcopyrite with the conditions of sodium hydrosulfide NaHS dosages and pHs were studied by contact angle measurements and single and mixture mineral flotation tests To evaluate the results of the flotation the flotation kinetic model for copper sulfide minerals treated by NaHS was derived

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Froth Flotation Process Detailed Explanation

Froth flotation is one of the most popular operational processes for mineral beneficiation In ore/mineral beneficiation froth flotation is a method by which commercially important minerals are separated from impurities and other minerals by collecting them on the surface of a froth layer Flotation is the process of separation of beneficial

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Froth flotation of Aljustrel sulphide complex ore

Froth flotation of Aljustrel sulphide complex ore 759 Froth flotation occurs in an aqueous medium which involves aggregation of air bubbles and mineral particles with subsequent levitation of aggregates to the surface and transfer to a froth phase The degree of particle surface wettability determines attachment and aggregation

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How to Select the Froth Flotation Method

26/02/2020· The Pb Zn sulfide ore is often associated with a variety of valuable components such as lead zinc copper sulfur and other useful minerals whose floatability is obviously different which determines the different froth flotation method used in the extraction of lead and zinc sulfide ores

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Why Is Froth Flotation Used For Sulphide Ores

Froth Flotation Method In Metallurgy Introduction froth flotation is widely used for separating base metal sulphide minerals in complex ores one of the major challenges faced by the flotation of these ores is the ever varying grade and mineralogy as the ore is exploited kabuda et al 2011

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1 Froth Flotation Fundamental Principles

Froth flotation can be adapted to a broad range of mineral separations as it is possible to use chemical treatments to selectively alter mineral surfaces so that they have the necessary properties for the separation It is currently in use for many diverse applications with a few examples being separating sulfide minerals from silica gangue

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Froth flotation process used for the

Answer A Froth floatation process used for the concentration of sulphide ore is based on the difference in wettability of different minerals The metallic sulphide particles of ore are preferentially wetted by oil and the gangue particles by water N a as collector Other examples of collector include ethyl xanthate and potassium ethyl xanthate

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Froth flotation Wikipedia

Froth flotation cells to concentrate copper and nickel sulfide minerals Falconbridge Ontario Froth flotation is a process for separating minerals from gangue by taking advantage of differences in their hydrophobicity Hydrophobicity differences between valuable minerals and waste gangue are increased through the use of surfactants and

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Froth flotation process used for the

Answer A Froth floatation process used for the concentration of sulphide ore is based on the difference in wettability of different minerals The metallic sulphide particles of ore are preferentially wetted by oil and the gangue particles by water N a as collector Other examples of collector include ethyl xanthate and potassium ethyl xanthate

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US4214710A Froth flotation of zinc sulfide

US4214710A US05/953 140 US95314078A US4214710A US 4214710 A US4214710 A US 4214710A US 95314078 A US95314078 A US 95314078A US 4214710 A US4214710 A US 4214710A Authority US United States Prior art keywords zinc sulfide depressant froth flotation flotation collector Prior art date 1978 10 20 Legal status The legal status is an assumption and is not a legal conclusion

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Flotation Behavior of Complex Sulfide Ores in

12/06/2017· As for zinc Figure 10 shows that at 50 g/ton of chitosan the recovery of zinc in the froth increased by 40% compared to NaCN at its optimum dosage which is undesirable in the differential flotation of sulfide minerals where lead and copper sulfides are floated in the first flotation stages while sphalerite is depressed Results also revealed

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Flotation Behavior of Complex Sulfide Ores in

12/06/2017· As for zinc Figure 10 shows that at 50 g/ton of chitosan the recovery of zinc in the froth increased by 40% compared to NaCN at its optimum dosage which is undesirable in the differential flotation of sulfide minerals where lead and copper sulfides are floated in the first flotation stages while sphalerite is depressed Results also revealed

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How to Select the Froth Flotation Method

26/02/2020· The Pb Zn sulfide ore is often associated with a variety of valuable components such as lead zinc copper sulfur and other useful minerals whose floatability is obviously different which determines the different froth flotation method used in the extraction of lead and zinc sulfide ores

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Flotation of sulfide minerals Inspiration

What is claimed is 1 In the process of froth flotation concentration of a sulfide mineral which minimizes the collection of slimes and in which an aqueous pulp of an ore containing such mineral is subjected to a flotation operation to produce a final high recovery of such mineral in a flotation concentrate the improvement comprising carrying out said flotation with a polyglycerol added

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Principles and practice of sulphide mineral

Synopsis This paper presents both the fundamentals of sulphide mineral flotation and the practical aspects of sulphide ore flotation The fundamental aspects of the flotation of sulphide minerals both in the absence and presence of thiol collectors are discussed in relation to their crystal structure surface chemistry and electrochemical characteristics

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Froth Flotation Process Used in the Lead Zinc

20/02/2020· The lead zinc sulfide is often associated with a variety of valuable components such as lead zinc copper sulfur and other useful minerals whose floatability is obviously different which determines the different froth flotation process of lead and zinc sulfide ores The common froth flotation process of sulfide ore mainly includes priority

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Froth Flotation Process Detailed Explanation

Froth flotation is one of the most popular operational processes for mineral beneficiation In ore/mineral beneficiation froth flotation is a method by which commercially important minerals are separated from impurities and other minerals by collecting them on the surface of a froth layer Flotation is the process of separation of beneficial

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Froth flotation process used for the

Answer A Froth floatation process used for the concentration of sulphide ore is based on the difference in wettability of different minerals The metallic sulphide particles of ore are preferentially wetted by oil and the gangue particles by water N a as collector Other examples of collector include ethyl xanthate and potassium ethyl xanthate

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Froth flotation method for stibnite Engelhard

I claim 1 A froth flotation process for recovering stibnite from an ore ore concentrate or ore preconcentrate containing iron sulfide minerals using acidic recirculated or mine water containing sulfate salts of heavy metals and alkaline earth metals to form the flotation pulp said water not having undergone conventional water treatment intended to render the water neutral and to remove

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