Galena Sphalerite Flotation


Galena - Sphalerite Flotation & Separation Method

Galena – Sphalerite Flotation & Separation Method The ore for treatment is a lead-zinc carbonate ore in a mixed siliceous-lime carbonate gangue The association of the minerals and gangue requires a 65 mesh grind for liberation The problem is to produce marketable grades of lead and zinc float …


(PDF) Floc flotation of galena and sphalerite fines

At good operating conditions, the floc flotation of galena and sphalerite fines can reach floatabiliJy of 100%, in comparison to conventional flotation obtaining floatability of about 40% It has been found that a small addition of kerosene greatly improved the floc flotation, saving a large amount of PAX


Lead activation of sphalerite during galena flotation

The galena flotation was fast for the first three minutes and tapered off afterwards After the first 3 or 4 minutes of flotation time, the rate of galena flotation was sufficiently reduced that it became comparable to the rate of sphalerite flotation


The selective flotation of galena from sphalerite with

The selective flotation of galena from sphalerite with special reference to the effects of particle size Int J Miner Process, 3: 151--166 The selectivity of galena flotation from a synthetic mixture with sphalerite and quartz and from a typical Broken Hill ore has been determined


Galena Sphalerite Flotation

Froth Flotation (Sulphide amp; Oxide) mind is the possible ions may of sphalerite reporting in galena flotation circuit can addressed for reduction in column Get Price Activation of Sphalerite by Ammoniacal Copper …


Lead activation of sphalerite during galena flotation

Bench scale flotation using two different complex sulfide ores showed that chalcopyrite, galena, and sphalerite recoveries are higher in process water than tap water and general decrease of the


Floc flotation of galena and sphalerite fines | Request PDF

The flotation of galena and sphalerite fines in the form of flocs, which is termed floc flotation, has been studied in the present work


Flotation of sphalerite and pyrite in the presence of

effect of sulfite is more important on pyrite flotation than on sphalerite flotation, hence the better separation obtained in the presence of sodium sulfite Sphalerite flotation slightly decreases with an increase in sodium sulfite concentration with recoveries afterŽ 8 min of flotation of 88% in the absence and 73% in the presence of 10 mol dm y3 3


The effect of mode of occurrence of galena and sphalerite

The flotation results shown in Figure 12 indicate that galena and pyrite were the fast floating minerals, while sphalerite was the slow floating mineral Figure 12 also indicates that approximately 36% of pyrite, 34% of galena and 72% of sphalerite were recovered in the first minute of flotation


Lead-Zinc ores - Danafloat - Home

Flotation separation and recovery of lead and zinc concentrates from ores containing galena (PbS) and sphalerite (ZnS) is well established and generally achieved quite effectively Silver often provides highly significant economic value, if not the greatest value, with the silver most often associated with the galena mineralization which is fortuitous since smelters pay more for silver in lead vs zinc concentrates


Galena Sphalerite Flotation

sphalerite flotation machine in this study chitosan polymer was tested as a potential selective green depressant of pyrite in the bulk flotation of galena sphalerite galena Get Price; PROCESS TO REMOVE LEAD FROM GALENA YouTube Sep 21, 2016· Video …


OPTIMISATION OF THE SELECTIVE FLOTATION OF GALENA …

flotation recoveries of galena and sphalerite are discussed in Chapter 5 The flotation results indicate that high dosages of xanthate collector of long chain length such as PNBX are detrimental to the flotation selectivity between galena and sphalerite As expected, Cu(II) is a much stronger activator for sphalerite than Pb(II) ions It is also


SELECTIVE FLOTATION OF GALENA AND SPHALERITE AT …

flotation recoveries of galena and sphalerite are discussed in Chapter 5 The flotation results indicate that high dosages of xanthate collector of long chain length such as PNBX are detrimental to the flotation selectivity between galena and sphalerite As expected, Cu(II) is a much stronger activator for sphalerite than Pb(II) ions It is also


Selective separation of galena and sphalerite from pyrite

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 obtained optimum flotation condition


Flotation and surface modification characteristics of

Abstract The flotation tests and XPS analyses on galena, sphalerite and pyrite have been carried out in a collecting-depressing-reactivating system (hereafter referred as the CDR system) In this system, sulfide minerals were first collected and activated by the collector, and then depressed strongly by Ca(OH) 2 in the strong alkaline solution,


Optimization of Galena Flotation Process of Irankouh

Optimization of Galena Flotation Process of Irankouh Complex Ore Using A Statistical Design of Experiments The total number of experiments designed with Taguchi and RSM for modeling the process was 42; instead of 240 experiments needed if only RSM is applied In order to achieve the required experiments initially,


Extraction Process For Pb and Zn from Galena (PbS) and

Nov 17, 2008 · In the world, usually Galena ore (PbS) is found together with Sphalerite ore (ZnS) in sulfide mineral The Grade of PbS and ZnS in the ore between 2-8% for PbS and 8-16 % for ZnS Generally, to increase the concentration of the metal in sulfide mineral is used The Froth Flotation


Flotation experiment research on a polymetallic sulfide ore of

The major metal minerals are galena, sphalerite, chalcopyrite, and pyrite, whereas the non-metallic minerals are quartz, plagioclase, calcite, dolomite, and chlorite In addition, the most usable elements found in the polymetallic sulfide ore in Shanxi province are copper, lead, zinc, gold, and silver


The Application of Xanthate in Froth Flotation Process

Xanthate Application in Sphalerite Froth Flotation The sphalerite which surface is clean have low floatability If the low-grade xanthate is directly used for its flotation, the recovery rate is low, so it is necessary to use high-grade xanthate to process the sphalerite


THE EFFECT OF MODE OF OCCURRENCE OF GALENA AND …

flotation of sphalerite and pyrite at the concentrator Although cyanide is an effective depressant in selective flotation of sulphide minerals, considerable amounts of zinc are still recovered together with lead, reflecting poor selectivity during the flotation of galena at Rosh Pinah High dosages of cyanide are required to overcome this situation


Galena: Mineral information, data and localities - Mindatorg

About Galena Hide Galena Group Galena is the primary ore mineral of lead Worked for its lead content as early as 3000 BC, it is found in ore veins with sphalerite, pyrite, chalcopyrite, tennantite-tetrahedrite, etc and in skarns, as well as in sedimentary rocks where it may replace carbonate beds or be deposited in …


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 …


Activation of Sphalerite by Ammoniacal Copper Solution in

Because of the similarity between marmatite and sphalerite, we assumed that ACS might also be appropriate for the selective flotation of sphalerite In this study, we determined whether ACS can be an effective activator for sphalerite 2 Experimental 21 Materials Sphalerite was obtained from Dulong Mine, Yunnan Province, China


CHAPTER 7 FLOTATION OF SULPHIDE MINERALS

Lecture 5 Flotation 1 CHAPTER 7– FLOTATION OF SULPHIDE MINERALS Contents: Xanthate adsorption Oxidation reactions Activation & depression Flotation of chalcopyrite, galena, sphalerite, pyrite Selective flotation Pb-Zn bulk flotation Sulphide minerals are floated by sulphydryl collectors (thio-componds) Adsorption of Sulphydryl Collectors:


Selective separation of galena and sphalerite from pyrite

in these deposits influences the selectivity between galena, sphalerite and pyrite species in the flotation process [1-3] The Kooshk mine is one of the largest zinc and lead deposits in Iran The ore contains of sphalerite and galena as the valuable minerals, and pyrite, dolomite, calcite, are the main gangue minerals In addition,


galena sphalerite optimization - videlcoza

galena is regarded as a silver ore and called argentiferous galena Sphalerite is flotation to produce concentrates of 50 to 60 percent zinc Lead ore moisture is added, the mixture is pelletized and fed to the sinter machine Get Price; Interaction between sphalerite and pyrite and its effect


The Enhancement of Galena Flotation Using Cyanide - AusIMM

Cyanide has been variously described as an iron sulphide depressant, a preventor of sphalerite activation and as an activator of galena In the case described here, the cyanide appeared to act as an enhancer of the galena flotation performance, raising the lead recoveries by 25 per cent but leaving the sphalerite and pyrite responses unaffected


galena lead flotator - nijmegenfotograafnl

During flotation of Galena (lead) and sphalerite (zinc), why do we have to depress sphalerite first to effectively separate them? Galena Mineral " Uses and Properties Galena is a lead sulfide mineral It is the world"s most important ore of lead and a significant ore of silver


manganese ore flotation galena separation - africar-hirecoza

The two principal minerals containing lead and zinc are galena and sphalerite Flotation is the usual mineral separation or concentration process of choice Lead, calcium, and magnesium are collected in molten lead chloride slag,


Lead /Zinc /Gold /Silver/ Galena /Sphalerite Ore Flotation

Flotation Machine, Flotation Cell, Ore Flotation manufacturer / supplier in China, offering Lead /Zinc /Gold /Silver/ Galena /Sphalerite Ore Flotation Machine, China Automatic Mechanical Ore Stone Vibration Sieve, Sand and Stone Separation Pebble Screen Machine and so on


beneficiation of sphalerite - vhf-venwnl

Chapter 7 Depression of sphalerite with cyanide and zinc , Depression of sphalerite with cyanide and zinc sulphate 102 Chapter 7 Depression of sphalerite with cyanide and zinc sulphate 71 Introduction Cyanide is the only depressant currently used at the Rosh Pinah Mine to depress sphalerite and pyrite in the lead flotation circuit As explained in Chapter 2, cyanide dosages of 150-180 g/t NaCN


The Depression of Sphalerite during Carbon Pre-flotation

sphalerite surface as a mechanism of sphalerite recovery during lead flotation was not significant at the Century Mine concentrator, (b) the recovery of sphalerite during the carbon pre-flotation was predominantly due to a bulk flotation action and entrainment in the …


Experiment study on recovering lead and zinc from a

Concentrate of sulfide minerals of zinc and concentrate of oxide minerals of zinc can be combined into a concentrate of zinc The index of yield of concentrate of zinc for 501%, grade of concentrate of zinc for 4224%, total recovery of zinc for 8469% was obtained


Froth flotation - Wikipedia

Froth flotation is a process for selectively separating hydrophobic materials from hydrophilicThis is used in mineral processing, stone recycling and waste-water treatment industries Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century


BENEFICIATION OF ARSENIC BEARING COMPLEX SULPHIDE …

limonite Sphalerite particles are generally seen to form irregular shapes and rarely replaced by pyrite Sphalerite is the most abundant mineral in the ore after pyrite and it has an average particle size of 70 µm Galena has irregular particle shapes with an average size of 60 µm In the advanced cases of the replacement tennantite particles


A review of the effect of water quality on flotation - ENM

are often found in water for galena–sphalerite flotation because of the addition of sodium cyanide in the milling circuit (Seke and Pistorius, 2006) Similar to ore dissolution, flotation reagents themselves may contribute a small portion of water constituents (Slatter et al, 2009), but these constituents can be accumulated in water in


FROTH FLOTATION : RECENT TRENDS Flotation of Sulphide …

Chelating agents and use of cationic collectors for flotation of oxidised minerals are also practised Heavy metal ions are present in slurry water if ore is slightly oxidised Sphalerite can become activated by heavy metal ions in solution Lime and soda ash is used to precipitate these heavy metal ions


(PDF) Effect of iron content in sphalerite on flotation

One of the main impuri- recovery In the present study, we have investigated the ties present in sphalerite is iron, which substitutes for effect of iron content in sphalerite on sphalerite flotation zinc atoms in the sphalerite lattice, thus reducing the as a function of particle size