pyrite flotation processing

Pyrite Flotation - Metallurgist Mineral Processing Engineer

2021-5-28  2. pH is important for pyrite flotation. Normally, pyrite can float well at acid conditions without adding any activator. However, if you want to float the pyrite at alkaline conditions, you need to add Cu2+ as activator, because pyrite can be depressed at alkaline conditions. 3.

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Processing a bulk pyrite concentrate by flotation reagents ...

1992-3-1  Keywords Flotation, pyrite, zeta-potential. arsenopyrite, gold, concentrate, reagents, modifiers, INTRODUCTION The traditional application of flotation is mainly to sulphide minerals [1,2]. The separation of pyrite from other sulphides, is usually achieved by carefully controlling the operating conditions and the addition of flotation reagents [3,4].

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Complex sulphide ore processing with pyrite flotation by ...

1989-6-1  Complex sulphide ore processing with pyrite flotation by nitrogen. Int. J. Miner. Process., 26: 95-110. Investigations on the effect of nitrogen on the flotation separation of sulphides from complex ores showed that pyrite floatability was enhanced after nitrogen conditioning.

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Suppression of floatability of pyrite in coal processing ...

2011-5-1  SO 2 is one of the main constituents for acid rain formation therefore the separation of pyrite from coal before combustion is environmentally important [1], [2]. Dense media separation, cyclones, jigs, and froth flotation are some of the existing techniques for coal processing [3].

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A review on electrochemical behavior of pyrite in the ...

2017-3-25  Electrochemical mechanisms are often known to be responsible for various phenomena, occurring in a flotation system containing pyrite, such as changes in pyrite surface chemistry due to oxidation, the interaction of pyrite with other components, adsorption of collector and precipitation of metals on the surface .

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Dextrin as a non-toxic depressant for pyrite in flotation ...

2004-9-1  Therefore, depression of pyrite is desirable in the concentration of base metal sulfides by flotation. This can be achieved by floating in alkaline solutions (lime) using highly selective inorganic modifiers such as cyanides, sulfites, ferrocyanides and cyanides in combination with zinc sulfate (Fuerstenau et al., 1985).

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Pyrite Depressant - Froth Flotation (Sulphide Oxide ...

2021-5-22  Flotation of copper at different alkaline pH from 7upto 10 and using different Xanthates as collector vs. recovery of copper may give some clue. Minimum Pyrite obtained in copper concentrate is the starting point for further flotation test work. Depressing Pyrite is always a tricky matter.

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Role of dixanthogen on pyrite flotation: solubility ...

2002-5-1  Additionally, adsorption studies, Eh and infrared spectrophotometer measurements were performed. Pyrite floats at pH levels between 3 and 6 using ethyl and amyl xanthafes with a maximum at pH 4. The solubility of pyrite in the absence and presence of xanthate was investigated in detail with respect to pH and conditioning time.

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Pyrite Depression in Copper Flotation - 911 Metallurgist

2015-10-8  In froth flotation, depressing pyrite or any metal is impossible if minerals are locked. Effective grinds-liberation and good pH targeting will let you effectively depress pyrite. Generally, the higher you raise the pH, the less floatable sulphides become. pH

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Pyrite Processing Equipment, Process Flow, Cases - JXSC ...

2019-8-26  The pyrite processing mostly in flotation, flowed by the gravity separation process, and gravity-flotation combination. Gravity separation process For ore with simple ore properties, coarser grain size or uneven grain size, a single gravity separation process can be used. General gravity separation equipment, such as pyrite jig, spiral chute ...

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pyrite flotation - Xinhai

2021-4-29  So, comprehensively considering mineral processing cost, flotation indexes, and other factors, choosing a suitable slurry concentration, a good pyrite flotation effect can be reached. 02 Mineral particle size. The particle size has a certain relationship with flotation speed.

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Complex sulphide ore processing with pyrite flotation by ...

Complex sulphide ore processing with pyrite flotation by nitrogen @article{Martin1989ComplexSO, title={Complex sulphide ore processing with pyrite flotation by nitrogen}, author={C. Martin and S. Rao and J. Finch and M. Leroux}, journal={International Journal of Mineral Processing}, year={1989}, volume={26}, pages={95-110} }

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A study on the effect of active pyrite on flotation of ...

2018-6-27  Flotation of copper sulphides is a traditional technique for processing the sulphide copper. The presence of pyrite in copper concentrates (especially the pyrite particles that are surrounded with the chalcopyrite) is the most important problem of copper ore processing that leads ... factors controlling the copper-activated pyrite flotation so ...

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Removal of Pyrite in Coal Flotation: Mineral Processing ...

2007-4-25  In most operating coal-cleaning plants, a significant amount of pyrite is recovered in the froth during flotation of high-sulfur coal. Reducing the pyrite recovery first requires that the primary recovery mechanism should be identified, as different measures are required for reducing entrainment, locked-particle flotation, or true hydrophobic flotation.

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Pyrite flotation: Magma Copper Company's Superior Facility

Pyrite Flotation: Supertor Mine additiond income for the facility. Because this facility is currently operating the pyrite flotation circuit on an as needed basis to suppiy demand, pyrite-bearing tailings continue to be discharged to the tailings impoundment. Because the pyrite flotation has not fully eliminated a

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Quantum-mechanics of pyrite flotation SpringerLink

2014-3-1  The authors have carried out molecular modeling of clusters of simple structure and ring structure pyrite. It is suggested to analyze bonding of a collecting agent and cluster atoms using the collector capacity forecasting index. It is shown that butyl dixanthate more vigorously connects to cluster atoms than thionocarbamates, e.g., Z 200 and IETNC. Analysis of the charge transfer during ...

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Study Status on Mineral Processing of Pyrite ...

1 XIAO Fei-yan (Department of Mineral Processing Engineering. Guangzhou Research Institute of Non-ferrous Metals, Guangzhou 510651, China);Study on pyrite flotation with ferrous sulfate as a substitute of sulfuric acid[J];Journal of Guangdong Non-ferrous Metals;2001-01

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Electrochemical properties of pyrite, pyrrhotite, and ...

2012-10-26  flotation circuits, and the application of this information in the field of electrochemistry15. One of the most important separation stages in flotation circuits is the separation of pyrite and pyrrhotite from other sulphide minerals. Understanding of activation and depression of sulphide minerals, such as pyrite

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Hydrophobic Agglomeration of Fine Pyrite Particles Induced ...

Flotation reagents can change the surface properties of minerals, leading to differences in the interaction between mineral particles and affecting the mutual aggregation or dispersion of particles. In this work, we studied the role of activator copper sulfate, collector butyl xanthate and frother terpineol in adjusting the potential energy of pyrite particles from the perspective of the ...

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Pyrite Processing Equipment, Process Flow, Cases - JXSC ...

2019-8-26  The pyrite processing mostly in flotation, flowed by the gravity separation process, and gravity-flotation combination. Gravity separation process For ore with simple ore properties, coarser grain size or uneven grain size, a single gravity separation process can be used. General gravity separation equipment, such as pyrite jig, spiral chute ...

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pyrite flotation - Xinhai

2021-4-29  So, comprehensively considering mineral processing cost, flotation indexes, and other factors, choosing a suitable slurry concentration, a good pyrite flotation effect can be reached. 02 Mineral particle size. The particle size has a certain relationship with flotation speed.

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(PDF) A review on electrochemical behavior of pyrite in ...

The results of these studies need to be integrated with each other to be more effectively applicable to the mineral processing plants.Due to the electrochemical nature of pyrite, the studies show that any change in the electrochemical potential may have significant effects on the pyrite flotation results, whether pyrite is a gangue or a desired ...

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A study on the effect of active pyrite on flotation of ...

2018-6-27  Flotation of copper sulphides is a traditional technique for processing the sulphide copper. The presence of pyrite in copper concentrates (especially the pyrite particles that are surrounded with the chalcopyrite) is the most important problem of copper ore processing that leads ... factors controlling the copper-activated pyrite flotation so ...

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[PDF] A study on the effect of active pyrite on flotation ...

Active pyrite is one of the most undesirable phenomena in the flotation of porphyry copper ores. Misreported pyrite into copper concentrates decreased the grade and recovery of copper. In this study, the effective parameters on the flotation process including grinding condition and chemical parameters were evaluated in order to decrease the active pyrite recovery by flotation.

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Study Status on Mineral Processing of Pyrite ...

1 XIAO Fei-yan (Department of Mineral Processing Engineering. Guangzhou Research Institute of Non-ferrous Metals, Guangzhou 510651, China);Study on pyrite flotation with ferrous sulfate as a substitute of sulfuric acid[J];Journal of Guangdong Non-ferrous Metals;2001-01

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Electrochemical properties of pyrite, pyrrhotite, and ...

2012-10-26  flotation circuits, and the application of this information in the field of electrochemistry15. One of the most important separation stages in flotation circuits is the separation of pyrite and pyrrhotite from other sulphide minerals. Understanding of activation and depression of sulphide minerals, such as pyrite

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Pyrite Depression with Pionera Biopolymers - Borregaard

The use of Pionera F-250 gives flotation recoveries similar to the use of cyanide as a pyrite depressant. For the mine, the replacement of cyanide as a pyrite depressant represents a significant change. It has been a long-term goal to reduce cyanide consumption, and the results from the herein described plant trial are the first step.

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Influences of collector DLZ on chalcopyrite and pyrite

2010-3-30  flotation behavior of pyrite and chalcopyrite [6−9]. It has been shown that mineral oxidation degree, pulp pH value and potential have a great effect on the flotation behavior of pyrite and chalcopyrite. In conventional flotation of Cu/S separation, it is general to collect

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Flotation Optimisers to Increase Recovery and Grade ...

Our flotation depressants are proven to be effective on a variety of gangue minerals: Sulfide minerals, like pyrite, pyrrhotite, arsenic and bismuth sulfides; Oxide minerals, like silicates, talc and calcite; ... Mineral processing is the art and technology of treating ores from the mining areas in order to separate the valuable minerals from ...

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