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pyrite arsenopyrite flotation

MAXGOLD® | CYTEC SOLVAY GROUP

In Process Separation. ... Very effective in the flotation of pyrite and arsenopyrite in mildly ... Faster kinetics in the flotation of sulfides and ...


pyrite flotation

Prior art keywords arsenopyrite pyrite concentrate flotation conditioning Prior art date 1991-11-27 Legal status (The legal status is an assumption and is not a legal .


Flotation Behavior of Arsenopyrite and Pyrite, and …

Flotation Behavior of Arsenopyrite and Pyrite, and Their Selective Separation Kyuhyeong Park, Junhyun Choi, Allan Gomez-Flores and Hyunjung Kim+


FUNDAMENTAL STUDIES ON PYRITE, PYRRHOTITE …

FUNDAMENTAL STUDIES ON PYRITE, PYRRHOTITE AND ARSENOPYRITE FLOATABILITY ... Gold Flotation; ... Chemical analysis of the arsenopyrite, pyrite and Fe S As Pb Cu Zn Mn


Pyrite flotation: Magma Copper Company's …

PYRITE FLOTATION: MAGMA COPPER COMPANY’S ... 'arsenopyrite (FeAsS) and ... The pyrite flotation circuit is similar to the copper flotation circuit and uses existing ...


Separation of pyrite and arsenopyrite in a gold sulfide ...

Froth flotation produces a concentrate with low ... and arsenopyrite in a gold sulfide concentrate. ... the concentrate into pyrite and arsenopyrite rich ...


Flotation separation of arsenopyrite from pyrite - google.com

Arsenopyrite is separated from a mixture with pyrite by contacting the mixture with a sulfitic agent providing HSO 3 - ions at elevated temperature and pH below about ...


Alkaline Oxidative Leaching of Gold-Bearing …

Analysis of arsenopyrite ores ... low-grade gold ore and a bulk sulfide flotation ... mercial status for treating gold-bearing arsenopyrite or pyrite ...


THE SEPARATION OF PYRITE AND ARSENOPYRITE BY FLOTATION

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 ...


Arsenopyrite and pyrite bioleaching: evidence from …

of a pyrite and arsenopyrite flotation concentrate with a mixed microflora mainly consisting of Acidithiobacillus ferrooxidans. X-ray diffraction, ...



US2342277A - Separation of pyrite, arsenopyrite, and ...

Prior art keywords arsenopyrite pyrite flotation permanganate pyrrhotite Prior art date 1943-02-02 Legal status (The legal status is an assumption and is not a legal ...


Patent WO1993010904A1 - Flotation separation of ...

1. A froth flotation process for effecting separation of arsenopyrite mineral from pyrite mineral comprising conditioning at pH less than 8 and at a temperature of at ...


ph modifiers for chalcopyrite flotation

THE SEPARATION OF PYRITE AND ARSENOPYRITE BY FLOTATION separation of pyrite and arsenopyrite by a cheap process remarkable selectivity for chalcopyrite.


Pyrite Flotation - Froth Flotation (Sulphide & Oxide ...

Froth Flotation (Sulphide & Oxide) ... In your sense, does the refractory ore refer to the gold ore that gold is finely disseminated in pyrite and arsenopyrite?


Patent US5171428 - Flotation separation of arsenopyrite ...

1. A froth flotation process for effecting separation of arsenopyrite mineral from pyrite mineral comprising conditioning at pH less than about 8 and at a temperature ...


DEVELOPMENT OF PROCESSING ALTERNATIVES …

development of processing alternatives for frankfield east deposit using selective arsenopyrite-pyrite flotation g. wilcox 1 and d. koningen 1, r. jackman 2


Influence of Oxidation-Reduction Potential on Bio ...

The main sulphidic minerals, contained in the Olimpiada flotation concentrate, are pyrrhotite, arsenopyrite, pyrite and antimonite. Biooxidation of these minerals ...


Separation of pyrite, arsenopyrite, and pyrrhotite by ...

This invention relates to a process of separating pyrite from arsenopyrite and/or from pyrrhotite by froth flotation. Many sulfide ores contain mixtures of pyrite and ...


Patent US2342277 - Separation of pyrite, arsenopyrite, …

' Patented Febi22,1944 . SEPARATION OF PYRITE, ARSENOPYRITE, AND PYRRHOTITE BY FLOTATION Earl G. Herkenhofl, Stamford, Conn., assignor to American Cyanamid- Company ...


Electrochemical study of surface oxidation and ...

Electrochemical study of surface oxidation and collectorless flotation of arsenopyrite ... The flotation separation of arsenopyrite from pyrite is


Recovery of Gold in Pyritic Sulfide Ores - Mine …

Recovery of Gold in Pyritic Sulfide Ores The now extinct Us Bureau of Mines conducted numerous studies of gold in pyrite ... First is froth flotation, ...


Gold-Pyrite ores

Gold-Pyrite ores. Gold has varying ... arsenopyrite and pyrrhotite, flotation recovery of the gold is dependent on recovery of the associated minerals.


Coarse & Fine Free Gold in Arsenopyrite, Pyrrhotite, Pyrite

This study deals with an ore containing coarse and fine free gold associated with arsenopyrite, pyrrhotite, pyrite ... flotation produces an ... and arsenopyrite ...


pyrite flotation arsenopyrite

Separation of pyrite and arsenopyrite by flotation using xanthates presents difficulties due to the fact that xanthates adsorb onto both these ...


Leaching of the arsenopyrite/pyrite flotation …

LEACHING OF THE ARSENOPYRITE/PYRITE FLOTATION CONCENTRATES 3 Gibb’s free energy change calculations using data from Bard et al.(1985), clearly shows the


SEPARATION OF PYRITE FROM ARSENOPYRITE BY …

Abstract This thesis reports investigations into the flotation separation of pyrite from arsenopyrite using xanthates and the new collectors Fl, S7 and F2B developed by


The selective flotation of arsenopyrite from pyrite ...

Currently, pyrite and arsenopyrite predominantly report to the tailings. Selective flotation could be used to create a separate pyrite and arsenopyrite concentrate [101].


The flotation separation of pyrite from arsenopyrite …

The effect of HTA on the flotation recovery of pyrite, arsenopyrite and quartz is seen in Fig. 4. Unlike xanthates, HTA recovers pyrite poorly in the acidic region ...


The influence of the oxidation state of pyrite and ...

In this paper, the influence of the oxidation state of pyrite and arsenopyrite on the flotation of an auriferous sulphide ore was investigated by different techniques ...


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