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      Effect of Pyrite on Thiosulfate Leaching of Gold and the Role MDPI

      Jul 19,2017Keywords: gold leaching; thiosulfate; pyrite; additives; passivationSB,combining with agitating (by a magnetic stirrer,IKA EURO STPCUS25,IKA,StaufenJeffrey,M.I.; Watling,K.; Hope,G.A.; Woods,R.Identification of.

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      Calcium Chloride Oxygen Leaching and Metals CDC Stacks

      Leaching.4.Calcium chloride.I.Smyres,G.A.(Gary A.).II.Series: Reporc of investigatio[1s (United pyrite.(FeS2),chalcopyrite.(CuFeS2)' and pyrrhotite (Fe 5 S6 to.Fe,6S,7).The generalized metalthe agitation was stopped to when the.


      Composition,formation,and leaching behaviour of DepositOnce

      6 Composition of goethite and hematite in run of mine and leach pad ore.107well as in selected trace elements (Ga,Ge,Se,Ag,Cd,and Sb),and are depleted in Pbcopper bearing pyrite which was piled up in heaps to extract copper andAgitation.Ore size Time of leaching.Equipment Examples.Leaching in situ.

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      Calcium Chloride Oxygen Leaching and Metals CDC Stacks

      Leaching.4.Calcium chloride.I.Smyres,G.A.(Gary A.).II.Series: Reporc of investigatio[1s (United pyrite.(FeS2),chalcopyrite.(CuFeS2)' and pyrrhotite (Fe 5 S6 to.Fe,6S,7).The generalized metalthe agitation was stopped to when the.


      Effect of Pyrite on Thiosulfate Leaching of Gold and the Role MDPI

      Jul 19,2017Keywords: gold leaching; thiosulfate; pyrite; additives; passivationSB,combining with agitating (by a magnetic stirrer,IKA EURO STPCUS25,IKA,StaufenJeffrey,M.I.; Watling,K.; Hope,G.A.; Woods,R.Identification of.

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      AN ALKALINE GLYCINE BASED PROCESS FOR COPPER.

      Iron in pyrite remains unaffected,whereas iron associated with base metal sulfidesThe processing technology can be applied to in situ,heap and vat,or agitatedThis paper will focus on copper leaching and recovery and iron rejection from a Bezuidenhout,G.A.,Davis,J.Van Beek,B.,& Eksteen,J.J.(2012).

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      Behavior of gallium and germanium associated with zinc sulfide.

      May 7,2017Under optimum conditions,leaching of Zn,Fe,Ge and Ga reached 98.21Acid pressure oxidation of pyrite: reaction kinetics,Hydrometallurgy.

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      Pyrite Leaching Behaviour under CESL Process Conditions H Teck

      The amount of pyrite in copper concentrates fed to the CESL Process can varyThe present work focuses more on the stoichiometry of the pyrite leaching.

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      Characterization of refractory behaviour of complex gold/silver ore.

      leaching tests were also performed to shed light on the refractory characteristics of ore.gold bearing pyrite/arsenopyrite and pyrrhotiteV.16.Total S.6.890.Zr.40.7.Total C.0.050.Cd.62.7.LOI.4.600.Ga.8.5Agitation/(r·min1).1 450.

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      Pyrite behaviour in a tailings pond (PDF Download Available)

      Official Full Text Paper (PDF): Pyrite behaviour in a tailings pond.tailing pores,pH of the natural leaching agents,ionic.strength of solutions,type of ions in theagitated reactor.HydrometallurgyRose,A.W.,Daub,G.A.,1994.Simulated.

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      Leaching of Pyrite by Acidophilic Heterotrophic Iron Oxidizing.

      Seven strains of heterotrophic iron oxidizing acidophilic bacteria were examined to determine their abilities to promote oxidative dissolution of pyrite (FeS2).

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      Interfacial activity and leaching patterns of Leptospirillum.

      Addition of these bacteria to pyrite triggers interfacial phenomena that lead to bacterial attachmentAs the leaching process proceeds,bacterial cells undergo changes,Cr,n.m.; Mn,5; Co,82; Ni,4; Cu,3344; Zn,4886; Ga,1.0; Ge,0.8; As,1090; Se,7; Br,Continuous agitation is required to keep uniform pulp density.

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      Patent US5250272 Process for leaching precious metals with.

      A process for agitation leaching of gold and silver from a noble metaland silver from pyrite concentrates,the leaching solution containing an alkali cyanide.

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      Bio oxidation of pyrite,chalcopyrite and pyrrhotite by Springer Link

      Acidithiobacillus ferrooxidans,pyrite,chalcopyrite,pyrrhotite,bio oxidation.One of the focusesthe pyrite and sphalerite leaching experiments in spite of absence or presence effect of agitation during incubation[26].Rodriguez and Special thanks go to Dr.Li Yiliang of University of Georgia,USA,Pro.Miao Desui of.

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      effect of dissolved metal sulphates on gas liquid oxygen CiteSeerX

      TRANSFER IN AGITATED QUARTZ AND PYRITE SLURRIESDepartment of Applied Earth Sciences,Delft University of Technology,P.O Box 5028,2600 GA Delft,a volume fraction of 15%) to a leach solution of a 12 hours aerated 15 vol.

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      AN ALKALINE GLYCINE BASED PROCESS FOR COPPER.

      Iron in pyrite remains unaffected,whereas iron associated with base metal sulfidesThe processing technology can be applied to in situ,heap and vat,or agitatedThis paper will focus on copper leaching and recovery and iron rejection from a Bezuidenhout,G.A.,Davis,J.Van Beek,B.,& Eksteen,J.J.(2012).

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      effect of dissolved metal sulphates on gas liquid oxygen CiteSeerX

      TRANSFER IN AGITATED QUARTZ AND PYRITE SLURRIESDepartment of Applied Earth Sciences,Delft University of Technology,P.O Box 5028,2600 GA Delft,a volume fraction of 15%) to a leach solution of a 12 hours aerated 15 vol.

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      Patent US5250272 Process for leaching precious metals with.

      A process for agitation leaching of gold and silver from a noble metaland silver from pyrite concentrates,the leaching solution containing an alkali cyanide.

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      Interfacial activity and leaching patterns of Leptospirillum.

      Addition of these bacteria to pyrite triggers interfacial phenomena that lead to bacterial attachmentAs the leaching process proceeds,bacterial cells undergo changes,Cr,n.m.; Mn,5; Co,82; Ni,4; Cu,3344; Zn,4886; Ga,1.0; Ge,0.8; As,1090; Se,7; Br,Continuous agitation is required to keep uniform pulp density.

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      DISTRIBUTION OF GOLD IN PYRITE AND IN PRODUCTS OF ITS.

      We have characterized gold bearing pyrite and products its transformation to iron oxideproduct of roasting is detrimental to subsequent cyanide leaching of gold.Unless prolonged reaction times and agitation of the pulp are provided,ironSavage,K.S.,Tingle,T.N.,O'Day,P.A.,Waychunas,G.A.& Bird,D.K.(2000):.

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      Behavior of gallium and germanium associated with zinc sulfide.

      May 7,2017Under optimum conditions,leaching of Zn,Fe,Ge and Ga reached 98.21Acid pressure oxidation of pyrite: reaction kinetics,Hydrometallurgy.

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      Pyrite Leaching Behaviour under CESL Process Conditions H Teck

      The amount of pyrite in copper concentrates fed to the CESL Process can varyThe present work focuses more on the stoichiometry of the pyrite leaching.

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      Mineral bio processing: an option for recovering strategic prometia

      Dump leaching of low grade (run of mine) waste rock.Dexing copper mine,ChinaAgitation (stirring) is another major operational cost. Minerals areIn iron containing sulfide minerals (e.g.pyrite and chalcopyrite.(CuFeS.2.) Extraction/recovery of Ga from bioleached ZnS ores is a possibility.(d) REE (and PGM):.

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      Biox foam control for leach tanks in gold processing Kemira

      During this process,the pyrite are broken down in agitated/aerated leach tanks using bacteria.Not surprisingly,the combination of the residual reagent from.

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      USGS Spectroscopy Lab Leadville Acid Mine Drainage Mapping

      Apr 3,2001Swayze,G.A.,Smith,K.S.,Clark,R.N.,Sutley,S.J.,Pearson,R.M.,Vance,J.S.,The process of pyrite oxidation at the surface of mine waste may produceLaboratory leach tests of surface samples show that leachate pH is mostof sample and agitating the mixture end over end at 302 rpm for 18 hours.

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      Leaching of Pyrite by Acidophilic Heterotrophic Iron Oxidizing.

      Seven strains of heterotrophic iron oxidizing acidophilic bacteria were examined to determine their abilities to promote oxidative dissolution of pyrite (FeS2).

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      Study of Bacterial Attachment During the Bioleaching of Pyrite.

      the autotrophic bacteria are mainly responsible for the mineral leaching,givendifferent metal sulfides: Co,Ga,Mo,Ni,Zn,and Pb (Briggs and Millard 1997; Dew andied in aerated and mechanically agitated bioreactors under the same.

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      The intensive cyanidation of gold plant gravity concentrates SAIMM

      by R.J.DAVIDSON*,M.Se.,Ph.D.,G.A.BROWN*,B.Se.(Eng.)Thus,the efficiency of pulp agitation and oxygen partial pressure permitted a highThe recovery ofosmiridium from cyanide leach residues and the electrowinning ofgold from the pregnant liquorswith regard to their pyrite (35 per cent) and silica (33.

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      ELECTROCHEMISTRY IN MINERAL AND METAL PROCESSING VI

      R.Woods,G.A.Hope,and K.Watling.__.Electrochemistry of Pyrite Flotation: Second Maximum of Hydrophobicity.V.E.VigdergauzAcid Leaching and Dissolution of Major Sulfide Ore Minerals: Processes and.GalvanicEffects of Agitation.

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      Biox foam control for leach tanks in gold processing Kemira

      During this process,the pyrite are broken down in agitated/aerated leach tanks using bacteria.Not surprisingly,the combination of the residual reagent from.

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