Separation Of Pyrite Ore

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Xanthate used in selective flotation of pyrite skarn ore

Xanthate used in selective flotation of pyrite skarn ore Iron sulfide minerals pyrite is the most common pyrrhotite is less marcasite is rare pyrite is widely associated with copper sulfide lead and zinc sulfide ores and many other non-ferrous metal mines

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Selective Attachment of Leptospirillum ferrooxidans for

pyrite (FeS2) [2 3] thus separation and refinement are key processes in copper recovery Pyrite is the most abundant sulfide mineral in the Earth's crust having no overall commercial value it is regarded as a gangue mineral The most common method of separation for sulfide minerals is froth flotation [1]

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ROLE OF STARCH AND METABISUPHITE ON PURE PYRITE

Role of starch and metabisulphite on pure pyrite and pyritic copper ore flotation 43 occurred with 1 7 mg/ dm3 while 21% depression occurred with the same dosages of starch at pH 6 5 where pyrite flotation is expected to be weak at pH 10

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Copper extraction

Copper extraction refers to the methods used to obtain copper from its ores The conversion of copper consists of a series of physical and electrochemical processes Methods have evolved and vary with country depending on the ore source local environmental regulations and other factors

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EP0568672B1

Arsenopyrite is separated from a mixture with pyrite by contacting the mixture with a sulfitic agent providing HSO3- ions at elevated temperature and pH below about 8 for a period sufficient to impart a selective depression property to the arsenopyrite On addition of a collector the pyrite is rendered floatable enabling froth flotation to achieve a concentrate rich in pyrite and tailings

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Separating the Magnetite Mining Pyrite by the Flotation

In the ore selection process magnetite is the major recovery of minerals To ensure the quality of magnetite the magnetite should be separated from the magnetite mining pyrite and pyrite As the magnetite and the magnetite mining pyrite are all strongly magnetite mining minerals it is easy to achieve separation in the week magnetite mining

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Galena

If a pyrite concentrate is required this can usually be obtained by sending the tailing of the zinc flotation section direct to a third stage where the iron sulphides are floated with the addition of 0 05-0 15 lb per ton of pine oil and 0 1-0 2 lb of ethyl and/or amyl xanthates the

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Calcination process technology of hematite ore

Calcination process technology of hematite ore In general common equipment is mainly composed of hematite flash pyrolysis magnetizing calcination system device is composed of two gas solid separation dynamic calciner preheater cyclone spiral feeding pulse type dryer and feeder gas furnace combustion chamber combustion system and the

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How to Extract Precious Metals From Sulfides

How to Extract Precious Metals From Sulfides Crushing begins the separation process by preparing the ore to be floated in water First the ore is crushed using a gyratory crusher to reduce the ore to 6-inch diameter pieces Then wet grinding mill grinding and/or semi-autogeneious grinders are employed to reduce the ore particles to

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THE SEPARATION OF PYRITE AND ARSENOPYRITE BY

The aim of the research programme is to investigate the potential of flotation for the separation of arsenopyrite and pyrite minerals The efficient separation of pyrite and arsenopyrite by a cheap process such as flotation has long been recognized as a desirable technological goal for

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Selective separation of galena and sphalerite from pyrite

In this research the selective flotation of galena and sphalerite minerals was evaluated from a pyrite-rich lead-zinc sample An optimum mixture of selective collectors against pyrite and also organic/inorganic pyrite depressants was obtained in the flotation of galena and sphalerite by an experimental mixture design The effect of different collectors and pH values were investigated in the

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SEPARATION OF COPPER MINERALS FROM PYRITE USING AIR

Dec 03 2010These and other needs are addressed by the various embodiments and configurations of the present invention The invention is directed generally to sulfoxy reagent-assisted flotation separation of valuable metal sulfide minerals from other sulfides particularly pyrite marcasite pyrrhotite arsenopyrite and other gangue minerals

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Separating the Magnetite Mining Pyrite by the Flotation

In the ore selection process magnetite is the major recovery of minerals To ensure the quality of magnetite the magnetite should be separated from the magnetite mining pyrite and pyrite As the magnetite and the magnetite mining pyrite are all strongly magnetite mining minerals it is easy to achieve separation in the week magnetite mining

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INFLUENCE OF PYRITE CONTENT ON THE FLOTATION OF

Pyrite 0 180 44 9 53 5 0 44 0 13 0 69 0 02 0 02 0 08 Experimental procedures Flotation A 200 g ore sample comprising different proportions of pyrite and chalcopyrite (20 % 50% and 80% Py) together with demineralised water and lime was milled in a Galigher Mill to d 80 of 105 m at pH 10 using stainless steel rods The mill product was

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PDF Flotation and depression control of arsenopyrite

flotation separation arsenopyrite The aim of the research programme is to investigate the potential of flotation for the separation of arsenopyrite and pyrite minerals The efficient separation of pyrite and arsenopyrite by a cheap process such as flotation has long been recognized as a desirable technological goal for More Detail

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Marcasite Mineral

However crystal form if observable provides a conclusive separation The streak of pyrite can be slightly greenish while marcasite is a pure gray In reflected light microscopy of polished coals and ore specimens marcasite will have a noticeably whiter color than the brass yellow of pyrite although inexperienced observers might see them

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gold pyrite froth flotation separation

gold pyrite froth flotation separation gold pyrite froth flotation separation Someone have information related with problems associated with excessive froth in a Gold sulfides ore in flotation and Live Chat FLOTATION OF AURIFEROUS PYRITE USING A associated with either pyrite galena or a carbonaceous material (karogen)

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THE FLOTATION SEPARATION OF CHALCOPYRITE

Abstract In this paper the flotation separation of chalcopyrite-pyrite has been studied in the presence of sodium humate Results of single mineral tests indicate that sodium humate is a good depressant with high selectivity and pH values and calcium ions in pulp influence the activity of sodium humate

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US3847357A

A process of separating copper minerals from pyrite wherein a flotation concentrate containing copper minerals and pyrite is reground in the presence of lime and subsequently conditioned at a pH of 12 0 or more for a predetermined period sufficient to depress the pyrite with optional additions of sulf-hydryl collector cyanide and dispersing agent and the conditioned pulp is subjected to

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Dispersive effect of low molecular weight sodium

the adsorption density of a collector on the pyrite surface but also reducing the flotation recovery PAAS increased the flotation recovery of pyrite by promoting dispersion between pyrite and serpentine The effective flotation separation of pyrite from the refractory iron sulphide ore

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Copper and Pyrite Separation by Selective and Sequential

The copper pyrite separation Process Flowsheet Crushing circuit of a copper pyrite ore The crushing section shown consists of single stage crushing with a Forced Feed Jaw Crusher The mine run ore is fed from the coarse ore bin by means of a Apron feeder to the grizzly Jaw Crusher

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Flotation of pyrite

Iron ore processing from pyrite Pyrite flotation process iron ore - hotelhengelsportnl iron ore processing from pyrite durbanlizards the mineral pyrite or iron pyrite also known as fools gold is an iron sulfide with the chemical this process is hastened by the action of acidithi View All

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Effect of sodium hexametaphosphate on separation of

between serpentine and pyrite is intense Sodium hexametaphosphate could effectively disperse serpentine and pyrite In order to further investigate the effect of sodium hexametaphosphate on the flotation separation of serpentine from pyrite the adsorption quantity of PAX on artificial mixed ore (pyrite 15 g/L serpentine 5 g/L)

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Dispersive effect of low molecular weight sodium

the adsorption density of a collector on the pyrite surface but also reducing the flotation recovery PAAS increased the flotation recovery of pyrite by promoting dispersion between pyrite and serpentine The effective flotation separation of pyrite from the refractory iron sulphide ore

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Pyrite Mining

As flotation also can be used for pyrite ore separation though flotation separation has deficiency with considerable large investment in equipment higher mining cost while better efficiency and index in mining with simple flotation reagents so flotation methods can be used for low grade pyrite ore

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Gold Pyrite Froth Flotation Separation

Gold Pyrite Froth Flotation Separation Regencyparkcoin Gold pyrite froth flotation separation used gold flotation for sale ukgold mobile mineral processing crushersarchitectural designs for gold ore processing plant contact supplier pyrite flotation morethere will Separating Flotation Gold From Pyrite Wieklaartdeklusnl

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Extraction of Copper from Copper pyrite

The principal ore of copper is copper pyrite and copper is extracted from this ore The different steps in extraction of copper are Crushing and Concentration The ore obtained from mines are broken down into small piece by jaw crusher and then pulverized The ore being sulphide ore is concentrated by froth floatation process

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Separating Pyrite Blende Magnetism

Table of ContentsSeparation of Roasted Pyrite and Marcasite from Nonmagnetic Blende Separation of Magnetic Blende from Pyrite Separation of Magnetic Blende from Pyrite The co-occurrence of the sulphides of zinc and iron is frequent blende and pyrite or marcasite are found together in important ore bodies which are worked for the value of the contained zinc and many lead deposits in their

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separation pyrite

Other Case separation of pyrite ore About Ciros separation of pyrite ore Process mineralogy study for a carbonaceous muddy pyrite Read More of mineral surfaces for selective separation of pyrite This paper discusses the utility of FTIR spectra in understanding the mechanism of selective separation of chalcopyrite from pyrite after

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Copper and Pyrite Separation by Selective and Sequential

The copper pyrite separation Process Flowsheet Crushing circuit of a copper pyrite ore The crushing section shown consists of single stage crushing with a Forced Feed Jaw Crusher The mine run ore is fed from the coarse ore bin by means of a Apron feeder to the grizzly Jaw Crusher

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Pyrite Mining

As flotation also can be used for pyrite ore separation though flotation separation has deficiency with considerable large investment in equipment higher mining cost while better efficiency and index in mining with simple flotation reagents so flotation methods can be used for low grade pyrite ore

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THE FLOTATION SEPARATION OF CHALCOPYRITE

Abstract In this paper the flotation separation of chalcopyrite-pyrite has been studied in the presence of sodium humate Results of single mineral tests indicate that sodium humate is a good depressant with high selectivity and pH values and calcium ions in pulp influence the activity of sodium humate

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