Method for the recovery of gold from sulphide concentrate
The invention relates to a method for recovering gold from a sulphidic concentrate, particularly one containing arsenopyrite and/or pyrite, hydro-metallurgically.
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Effect of Pretreatment of Sulfide Refractory Concentrate ...
The majority of the refractory gold and silver occurs in occlusion in sulphides, then precious metal dissolution is possible by first oxidizing auriferous sulfide ...
- Authors: Alejandro Valenzuela · Jesus L Valenzuela · Jose R PargaAffiliation: Universidad De Sonora · Lamar UniversityInquire Now
[Biooxidation of a Double-Refractory Gold-Bearing Sulfide ...
[Biooxidation of a Double-Refractory Gold-Bearing Sulfide Ore Concentrate ... insufficient for efficient treatment of double-refractory gold-bearing sulfide ore ...
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Effect of Pretreatment of Sulfide Refractory Concentrate ...
Optimal Dearsenification Parameters of Gold Sulfide Concentrate with a High As Content: Pre-treatment of a refractory gold sulfide ore by means of acidithiobacilli cells:
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Optimal Dearsenification Parameters of Gold Sulfide ...
The gold sulfide concentrate with a high As content in Liangshan District, Sichuan Province, China, is a potentially important resource. This paper describes ...
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Copper extraction Wikipedia
... air bubbles attach to the hydrophobic copper sulfide ... common in copper concentrate treatment, ... form of copper concentrate contains gold and ...
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ECONOMICS OF REFRACTORY GOLD ORE
ECONOMICS OF REFRACTORY GOLD ORE ... preheat the combustion and oxidation air in all cases except the concentrate from 4% sulfide ... various treatment
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Recovery of Platinum, Palladium, and Gold From
From Stillwater Complex Flotation Concentrate ... and gold from Stillwater Complex flotation concentrate ... countered with conventional treatment of PGM sulfide ...
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Corvus Gold Receives Sulfide Gold Recovery of +90%
Corvus Gold Receives Sulfide Gold Recovery of +90% Using AAO Process at the North ... (no AAO treatment) concentrate sample was cyanide leached which recovered only ...
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Corvus Gold Receives Sulfide Gold Recovery of +90%
Corvus Gold Receives Sulfide Gold Recovery of +90% Using AAO Process at the North ... (no AAO treatment) concentrate sample was cyanide leached which recovered only ...
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Small Scale Treatment of PM Sulfide Ores
Small Scale Treatment of PM Sulfide Ores. ... in addition to gold or silver, ... . so I expect about 10 to 20 pounds of sulfide concentrate.
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PRESSURE OXIDATION OF PYRITE-ARSENOPYRITE
PRESSURE OXIDATION OF PYRITE-ARSENOPYRITE REFRACTORY GOLD CONCENTRATE ... Many of the gold deposits today contain gold finely disseminated in iron sulfide
- Published in: Physicochemical Problems of Mineral Processing · 2013Authors: Lauri Rusanen · Jari Aromaa · Olof ForsenAffiliation: Aalto University · Helsinki University of TechnologyAbout: Factorial experiment · Hydrometallurgy · Gold extraction · LeachingInquire Now
Copper Concentrates Cargo Handbook the world's
Description. Copper extraction techniques refers to the methods for obtaining copper from its ores. This conversion consists of a series of chemical, physical, and ...
Inquire NowRecovery of Silver, Gold, and Lead From a Complex
Recovery of silver, gold, and lead from a complex sulfide ore using ferric chloride, rhiourea, ... sulfide concentrate. These methods re ...
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CHLORIDE HYPOCHLORITE OXIDATION AND
SULFIDE GOLD CONCENTRATE ... refractory gold ore, oxidative pretreatment, non ... Chloridehypochlorite oxidation and leaching of refractory sulfide gold ...
- Published in: Physicochemical Problems of Mineral Processing · 2013Authors: Mehdi Ghobeiti Hasab · Fereshteh Rashchi · Shahram RayganAffiliation: University of TehranInquire Now
Patent CA2067472A1 Treatment of copper sulfide ...
U.S. Patent No. 4,022,866 in the names of Kuhn and Arbiter relates to the treatment of a sulfide concentrate containing copper together with nickel and zinc, ...
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Sulfides, Selenides and Tellurides: rebellious and ...
Sulfides, Selenides and Tellurides: Information on how to capture all the Gold from ... but sulfide ores still require a lot of extra treatment and ...
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Biooxidation of a DoubleRefractory GoldBearing
sulfide ore concentrates ... dHugues P., 2007). Gold bearing sulfide ore concentrates are ... AbstractThe efficiency of biooxidation for treatment of a ...
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1 The BIOX Process for the Treatment of
1 The BIOX Process for the Treatment of Refractory Gold ... sulfide concentrate from the flotation ... processes to either increase the treatment capacity of ...
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Effect of Pretreatment of Sulfide Refractory Concentrate ...
The majority of the refractory gold and silver occurs in occlusion in sulphides, then precious metal dissolution is possible by first oxidizing auriferous sulfide ...
- Authors: Alejandro Valenzuela · Jesus L Valenzuela · Jose R PargaAffiliation: Universidad De Sonora · Lamar UniversityInquire Now
Simultaneous sulfide oxidation and gold ... ScienceDirect
In the present paper, simultaneous oxidative pretreatment and gold leaching of a sulfide concentrate using the chloride/hypochlorite solution has been studied.
- Published in: Minerals Engineering · 2013Authors: Mehdi Ghobeiti Hasab · Fereshteh Rashchi · Shahram RayganAffiliation: University of TehranInquire Now
Treatment of refractory carbonaceous sulfide ores for gold ...
Refractory carbonaceous sulfide ores are treated in a manner so as to improve gold recovery by a treatment in specific combination of steps whereby the ore is treated ...
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Pre-treatment of a refractory gold sulfide ore by means
Latin American applied research ... Pre-treatment of a refractory gold sulfide ore by means of ... to the bioleaching of refractory gold concentrate", Int. J ...
- Published in: Latin American Applied Research · 2003Authors: Patricia Chiacchiarini · V De La Fuente · E DonatiAffiliation: National University of La PlataInquire Now
Corvus Gold Receives Sulfide Gold Recovery of
Corvus Gold Receives Sulfide Gold Recovery of +90% Using ... unoxidized (no AAO treatment) concentrate sample was cyanide leached which recovered only
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Biooxidation of a double-refractory gold-bearing sulfide ...
The efficiency of biooxidation for treatment of a double-refractory gold-bearing sulfide ore concentrate from the Bakyrchik deposit (East Kazakhstan) was defined. The ...
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Biooxidation of Refractory Gold Sulfide Concentrate of ...
Biohydrometallurgy 2009: Biooxidation of Refractory Gold Sulfide Concentrate of Olympiada Deposit
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EXTRACTING METALS FROM SULFIDE ORES
EXTRACTING METALS FROM SULFIDE ... is recovered and this concentrate is then refloated in a cleaner ... and zinc, and in the treatment of certain gold and ...
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CN100485059C Method for recovering gold from
Method for recovering gold from sulphide concentrate Info ... Hydrometallurgical process for the treatment of metal-bearing sulfide mineral concentrates ...
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TREATMENT OF SULFIDE GOLD CONCENTRATE CONTAINING COPPER ...
Investigation has been carried out to identify the effects of various parameters on leaching gold from sulfide gold concentrate containing copper by using thiosulfate ...
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Effect of Pretreatment of Sulfide Refractory Concentrate ...
Optimal Dearsenification Parameters of Gold Sulfide Concentrate with a High As Content: Pre-treatment of a refractory gold sulfide ore by means of acidithiobacilli cells:
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Sulphide Gold Gekko
Sulphide Gold Recovery. ... Target a fully owned subsidiary of Avgold Limited decided to install a Gekko ILR100BA to treat the gravity concentrate. ...
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EXPERIMENTAL TESTING OF THE COMBINED
506 journal of mining science, vol. 45, no. 5, 2009 experimental testing of the combined oxidation procedure for gold-bearing sulfide ores and concentrates
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TREATMENT OF SULFIDE GOLD CONCENTRATE CONTAINING COPPER ...
Investigation has been carried out to identify the effects of various parameters on leaching gold from sulfide gold concentrate containing copper by using thiosulfate ...
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Treatment of refractory carbonaceous sulfide ores for gold ...
Refractory carbonaceous sulfide ores are treated in a manner so as to improve gold recovery by a treatment in specific combination of steps whereby the ore is treated ...
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Biooxidation of Refractory Gold Sulfide Concentrate of ...
Biohydrometallurgy 2009: Biooxidation of Refractory Gold Sulfide Concentrate of Olympiada Deposit
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Memorandum Allied Nevada Gold
Memorandum To: Randy ... rapidly in the correct environment and requires lower levels of sulfide oxidation to achieve gold ... A sulfide concentrate treatment test ...
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Sulfides, Selenides and Tellurides: rebellious and ...
Sulfides, Selenides and Tellurides: Information on how to capture all the Gold from ... but sulfide ores still require a lot of extra treatment and ...
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Catalytic Oxidation Pretreatment of Sulfide-Rich Arsenic ...
Powder Technology & Application IV: Catalytic Oxidation Pretreatment of Sulfide-Rich Arsenic-Bearing Refractory Gold Concentrate by Hydrogen Peroxide in Sulfuric Acid ...
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Recovery of copper and silver from sulfide concentrates
Recovery of copper and silver from sulfide concentrates ... or concentrates from treatment of ores by ... refractor gold ores or concentrates ...
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Effect of Pretreatment of Sulfide Refractory
Effect of Pretreatment of Sulfide Refractory Concentrate ... gold in iron sulfide minerals such as pyrite and arsenopy- ... and 72 hours treatment, ...
- Authors: Alejandro Valenzuela · Jesus L Valenzuela · Jose R PargaAffiliation: Universidad De Sonora · Lamar UniversityInquire Now
1 The BIOX Process for the Treatment of
1 The BIOX Process for the Treatment of Refractory Gold ... sulfide concentrate from the flotation ... processes to either increase the treatment capacity of ...
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MICROWAVE ELECTROMAGNETIC PROCESSING OF
MICROWAVE ELECTROMAGNETIC PROCESSING OF ORE CONCENTRATES FOR ... concentrates of gold-sulfide-quartz ores and ... the treatment of molybdenum concentrate
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Refractory Gold Ore Treatment Methods
Refractory Gold Ore Treatment Methods. ... If an antimonial ore or concentrate is roasted ... The initial plant had a capacity of 28 t/h of sulfide concentrates and ...
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Treatment of copper sulfide concentrates patents.com
Treatment of copper sulfide concentrates Abstract. A hydrometallurgical method is provided for recovering copper from particulate copper sulfide flotation concentrate ...
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by David F. Briggs During the late 1970s, sixteen
evolved from their use in the gold mining ... $ lower concentrate treatment costs compared ... the life of the project as the mine transitions from oxide to sulfide-
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Gold extraction Wikipedia
Gold extraction refers to the ... froth flotation processes may also be used to concentrate the gold. ... recovery of the gold from the sulfide concentrates ...
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Use of Hydrometallurgy in Direct Processing of
hydrometallurgy, and as such, is ... how it might be applied to direct treatment of sulfide flotation concentrates for PGM ... concentrate processing would dissolve ...
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Sulfide Ore Treatment Gold Silver Copper Cobalt ...
The valuable metals are usually recovered as a sulfide mineral concentrate. ... gold, silver, zinc Comments Off on Sulfide Ore Treatment Gold Silver Copper ...
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Treatment of a refractory gold-copper sulfide concentrate ...
On Jun 1, 2001 M.G. Aylmore published: Treatment of a refractory gold-copper sulfide concentrate by copper ammoniacal thiosulfate leaching
Inquire NowMINERAL DRESSING Effect of Sulfide and Petroleum
treatment. Fig. 1. Gravity circuit. Table 4. ... 100/100 g/t, gold yield to sulfide flotation concentrate grows by 2.52.7%; the concentrate quality is
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Treatment of a refractory goldcopper sulfide concentrate ...
The potential for leaching gold directly from a refractory Au Cu sulfide concentrate, to replace the current treatment of roasting and cyanidation, was investigated ...
- Published in: Minerals Engineering · 2001Authors: Mark G AylmoreAffiliation: University of Western AustraliaAbout: Concentrate · Leaching · Hydrometallurgy · Copper · Extractive metallInquire Now
Biooxidation of Refractory Gold Sulfide Concentrate of ...
Biohydrometallurgy 2009: Biooxidation of Refractory Gold Sulfide Concentrate of Olympiada Deposit
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[Effect of acidic treatment of the chemical composition ...
[Effect of acidic treatment of the chemical composition and bacterial oxidation of arsenic-bearing gold concentrate ... arsenic sulfide, would allow more efficient ...
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Patent US3896208 HCl Treatment of copper sulfide ...
A hydrometallurigical process featuring treating sulfide metal concentrate with ... 1975 15 HCL TREATMENT OF COPPER SULFIDE 752.320 2/1904 ... silver and gold bearing ...
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Pretreatment Using Alkaline Sulfide Leaching and
pretreatment using alkaline sulfide leaching and nitrogen species catalyzed pressure oxidation on a refractory gold concentrate corby g. anderson, phd
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BIOX Process Outotec
The Outotec BIOX process for the treatment of refractory gold concentrates has been in commercial operation for over 30 ... Uranium containing sulfide concentrates ;
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Small Scale Treatment of PM Sulfide Ores
Small Scale Treatment of PM Sulfide Ores. ... in addition to gold or silver, ... . so I expect about 10 to 20 pounds of sulfide concentrate.
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METHOD FOR THE HYDROMETALLURGICAL TREATMENT OF SULFIDE ...
Nov 17, 2010· method for the hydrometallurgical treatment of sulfide concentrate containing several valuable metals
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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, and sulfide ores over the years, until their ...
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Method for the recovery of gold from sulphide concentrate
Method for the recovery of gold from sulphide concentrate Download ... Treatment can also ... Method and system for pressure oxidation of sulfide gold ores involving ...
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Corvus Reports 92% Average Gold Recovery Using AAO
Corvus Reports 92% Average Gold Recovery Using AAO From All Sulfide Rock Types, North Bullfrog Project, NV. ... (no AAO treatment) concentrate sample was cyanide ...
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DOI: 10.1595/147106704X1667 Treatment of
Minor amounts of gold and ferroplatinum in ... Treatment of Platinum Flotation Products ... sulfide concentrate ...
Inquire NowEffect of Pretreatment of Sulfide Refractory Concentrate ...
Effect of Pretreatment of Sulfide Refractory Concentrate with Sodium Hypochlorite, Followed by Extraction of Gold by Pressure Cyanidation, on Gold Removal
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ALTA Gold 2012 E-Doc Albion Process
Demonstration of economic treatment options allows gold companies to ... sulfide grades then used to ... concentrate for high sulphide recovery discussed ...
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Effect of Pretreatment of Sulfide Refractory Concentrate ...
Effect of Pretreatment of Sulfide Refractory Concentrate with Sodium Hypochlorite, Followed by Extraction of Gold by Pressure Cyanidation, on Gold Removal
- Authors: Alejandro Valenzuela · Jesus L Valenzuela · Jose R PargaAffiliation: Universidad De Sonora · Lamar UniversityInquire Now
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