Pyrite Flotation Tailing

Experiment study on recovering lead and zinc from a

The main usful elements in a flotation tailings in Inner Mongolia were lead zinc and silver and the main lead distributed directional bundle fibrous and plate or strip aggregation mostly was in fissure of sphalerite or near a fine vein of quartz

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Study on Flotation Tailings of Kaolinite type Pyrite when

Abstract In Southwest China the pyrite resources are very rich and the proven reserves of pyrite ranks first in the country In the past 50 years of mining and processing hundreds of millions of tons of tailings have been produced However the tailings have not been used effectively as yet causing adverse effects to the local ecological environment

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Recovery of Lime Sulfur and Iron from Gypsum and Pyrite

Extraction of Alumina from Coal Derived Pyrite Flotation Tailing by Pre Desilication Bayer Process 2021 125 130 DOI / Yotamu Stephen Rainford Hara Animesh Jha Kinetic and Thermodynamic Analysis of the Reduction of Oxides of Cu and Co in a SiO 2

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REPROCESSING OF THE OLD FLOTATION TAILINGS DEPOSITED

contain 60 to 70% of SiO2 10 to 17% of Al2O3 and pyrite 5 to 8% Flotation tailings reprocessing consisted of acid leaching followed by re flotation of the leach residue Leaching of the tailings resulted in leach liquors containing Cu2 ions from 50 to 580 ppm The average copper removal degree in the leaching stage was 70%

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CLEAN TAILING RECLAMATION REVEGETATION OF MILL TAILINGS

from tailing material through gravimetric and flotation separation After reprocessing tailings to remove metal sulfides CTR employs vegetative stabilization utilizing chemical lime amendments ^The lime application rate for neutralization of acid generated in tailings is decreased by removal of pyrite and other acid forming metal

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Basic Concepts in Environmental Geochemistry of Sulfidic

addition so the tailings resulting from sulfide ores contain certain percentage of sulfides mostly pyrite Fig 1 The ore flow path from the mine thro ugh crushing and millin g to flotation The concentrate is refined in the smelter while th e main part of the treated material will be deposited on the tailings

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Pyrite Flotation Separation and Encapsulation A

Pyrite flotation separation and encapsulation in tailings dams is proposed as a viable way to chemically stabilize tailings Characterization of potential acid mine generation in tailings led to an innovative process in which acid generating pyrite is separated by flotation from the coarse tailings and incorporated into the slime zone

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Influence des propriétés superficielles de la pyrite sur

Une nouvelle technique de gestion des résidus miniers appelée désulfuration environnementale a été proposée au cours des dernières années Cette technique consiste à extraire du rejet de concentrateur les minéraux responsables de la génération de drainage minier acide et de la pollution des effluents en métaux La désulfuration se pratique par flottation non sélective des

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ROLE OF STARCH AND METABISUPHITE ON PURE PYRITE AND

depressant type and dosages at two different pHs for flotation behavior of pyrite were investigated The flotation flow sheet with copper ore is given in Figure 2 Three stages cleaning were applied after obtaining a rougher copper concentrate Pyrite was removed with gangue minerals as tailings

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PDF Sulphur Removal of Iron Ore Tailings by Flotation

The flotation behavior of pyrite in the sample as a function of slurry pH was investigated in pH 7 and and results obtained are shown in Figure 7

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Environmental Impact Variability of Copper Tailing Dumps

Till 2021 a second flotation line separated a pyrite concentrate from the discarded chalcopyrite flotation line Pyrite concentrate was then sent to a sulfuric acid production plant at Rubik while the resulting pyrite poor tailing was stacked in another impound ment located downstream in the same valley Figure 1

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Pyrite Tailings Recovery by Flotation

Pyrite has long been used as a source of sulphur and its recovery as a by product from the flotation of certain base metal ores is a well established practice Large tonnages of mill tailings which have accumulated as a result of various milling operations frequently contain significant amounts of pyrite In many instances these tailings can be treated to yield pyrite concentrates that are a

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Gold Pyrite ores Danafloat

Natural pH is recommended for gold flotation Alternatively using soda ash for pH adjustment can reduce gold depression Where gold is associated with pyrite in base metal ores where iron sulphides are depressed and report to the tailings a separate tailings pyrite flotation concentrate should be

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Water recycling in flotation Aalto

The purpose of this thesis was to investigate how water recycling and accumulation of different species in the water affects the flotation efficiency of pyrite The wider scope was also to investigate whether the environmental properties of tailings could be improved by removing the sulfidic species which can cause acid drainage

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Caractérisation de la pyrite dans les conditions de

Résumé L industrie minière génère d importantes quantités de rejets miniers qui peuvent impacter l environnement quand ils contiennent des sulfures de métaux capables de s oxyder Parmi ces rejets les résidus de concentrateur sont composés de phases minérales sans valeur économique avérée sulfures et gangue silicatée finement broyées pour faciliter la libération

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Development of a Combined Flotation and High Pressure

The mine tailings sample used in this study was taken from BCL Limited mine Selebi Phikwe Botswana The mine tailing is represented as flotation tailings in the form of mud containing residual metal sulfides in the form of chalcopyrite pyrite pyrrhotite and pentlandite and reagents after flotation

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A Brief Review of Auriferous Sulphide Flotation

Oxidation of pyrite and Arsenopyrite Froth flotation is a physicochemical process and warrants an in depth understanding of mineral surface alteration typically in aqueous solution for flotation Dong et al 2021 Wills and Finch 2021 The mineral oxidation dictates the surface species

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Separation of chalcopyrite and pyrite from a copper

After the recovery of Cu the Cu tailing was mainly composed of pyrite as the valuable mineral However pyrite was depressed in the Cu flotation by CaO and AH In order to activate pyrite sulfuric acid was added to the pulp to adjust the pulp pH to 5 6 which displayed the best pyrite recovery and pyrite grade as shown in Fig 11 a

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Pyrite behaviour in a tailings pond Semantic Scholar

Abstract This paper deals with the behaviour in a tailings pond of the residues produced during the flotation of a complex sulphide ore The composition of the tailing was essentially pyrite % with minor amounts of Cu Pb and Zn sulphides and respectively In addition sulphite ion and other thiosalts were present in the liquid phase

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PDF Recovery of pyrite from copper tailings by flotation

The effect of conditioning time pH collector and frother dosage and a number of flotation stages on grade and recovery of pyrite were studied at laboratory scale using a fresh tailing sample

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TECHNOGENIC DEPOSIT IN THE AREA OF THE OLD FLOTATION

tailings smelter slags calcined pyrite No 3 2021 2 Mining & Metallurgy Engineering Bor Figure 1 The spatial position of the old flotation tailing dump in relation to the town center

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Effect of Collector Type and Blends on Mixed Pyrite and

improve overall flotation recovery and reduces loss of values to tailings This paper is aimed at investigating the effect of collector type and blends on flotation performance and pyrite arsenopyrite selectivity This research forms part of a study focused on selectively separating high gold bearing arsenopyrite and

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CHAPTER 8

on pyrite and activate it Consequently xanthate could not adsorb and pyrite could not float Addition of copper sulphate to flotation streams treating cyanidation tailings has been reported to enhance pyrite recovery through formation of copper cyanide complexes

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APPENDIX Q Tailings Management Alternatives Evaluation

Pyrite would be removed from the tailings during ore processing in this alternative after whichThe need to first adjust the pH of process water downward for pyrite flotation then adjust the pH back upward for copper flotation which would increase lime consumption and

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Effect of Flotation Reagents for Upgrading and Recovery of

Application of flotation for upgrading and recovery of copper Cu and molybdenum Mo contained in flotation tailings from a copper/molybdenum mine was investigated in this study The sample contained mainly pyrite FeS 2 and quartz SiO 2 as dominant phases with Cu and Mo contents at % and % respectively

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Recovery of pyrite from copper tailings by flotation

The pyrite grade in the fresh tailing sample and in the flotation product was determined indirectly from the content sulfur copper and iron Calculations carried out considering the elemental chemical composition presented in Table 1 and the mineralogical species that contained sulfur identified by the XRD analysis allowed to determine that the fresh tailings sample contained % FeS 2

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Instructions for use

or AMD in the tailing dam when pyrite is disposed as tailing from the flotation process The disposed pyrite comes in contact with oxygen and water and is oxidized to produce sulfuric acid which can dissolve toxic heavy metals from other minerals [7]

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