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APPLICATION OF THE BIOX PROCESS TO THE PRETREATMENT OF REFRACTORY …
hydrometallurgy in order to recovery Au and Ag from refractory sulphide gold ores and concentrates. Using the BIOX process as a pretreatment procedure of refractory …
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Microbial Pretreatment of Refractory Sulfide and Carbonaceous Gold …
Microbial Pretreatment of Refractory Sulfide and Carbonaceous Gold Ores … Gold recovery from sulfide ores and concentrates was enhanced following pretreatment …
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Process Options for Refractory Sulfide Gold Ores: Technical …
for "Process Options for Refractory Sulfide Gold Ores … Refractory sulfide gold ores or concentrates require an oxidation pretreatment step to yield the contained …
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Unigold Reports Positive Metallurgical Results from – Bloomberg
Oct 15, 2012 · – gold, silver and base metal recoveries of 85-90% to a ‘clean’ sulphide concentrate — a sulphidic … procedure for sulphidic refractory gold ores …
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Blog | Mining & Metallurgy
Microwave Pretreatment of Gold Concentrates … of this process on different refractory gold … will be designed to treated complex gold ores …
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Developments in the pretreatment of refractory gold minerals by …
pretreatment of refractory gold ores using nitric acid as the oxidant. Pressure oxidation … gold from sulphide concentrates with thiosulphate/ polysulphide …
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DMI Refractory Gold Process – Eco Refractory Solutions Inc.
A: In refractory ores gold particles are in solution in the sulphide minerals and pretreatment is … pre-treat gold ores and concentrates that exhibit refractory …
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pretreatment of refractory gold ore with microwaves – Grinding …
Application of the BIOX Process to the Pretreatment of Refractory Sulphide Gold Ores and Concentrates in Order to Increase Au and Ag Recovery Rate in …
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Economics of Bacterial Leaching of Refractory Gold Ores and …
Economics of Bacterial Leaching of Refractory Gold Ores and Concentrates. … Bacterial leaching as a pretreatment of refractory gold ores in sulphide matrix
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Unigold Reports Positive Metallurgical Results from Candelones …
– gold, silver and base metal recoveries of 85-90% to a ‘clean’ sulphide concentrate … concentrate, which is a very common procedure for sulphidic refractory gold ores.
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Bacterial leaching as a pretreatment of refractory gold ores in …
… the effectiveness of bacterial leaching as a pretreatment of gold ores bearing sulphide … Economics of Bacterial Leaching of Refractory Gold Ores and Concentrates.
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microwave heating of refractory minerals – Gold Ore Crusher
Microwave pretreatment of a Gulin refractory gold ore | Mendeley … Microwave Assisted Leaching of Refractory Gold Concentrates … Infrared recognition of high sulphide …
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Oxidative pretreatment of refractory sulphide concentrates to …
Oxidative pretreatment of refractory sulphide concentrates to enhance gold extraction. Publication: Research › Licentiate thesis
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ScienceDirect.com – Hydrometallurgy – Refractory gold-bearing ores …
Refractory gold-bearing ores: a review of treatment methods … of high-grade sulphide flotation concentrates, is proposed for the pretreatment of gold-bearing sulphide ores.
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Treatment Of Refractory Carbonaceous Sulfide Ores For Gold …
Reduction of lime consumption when treating refractory gold ores or concentrates … the ore may also be considered to be very refractory. Typical autoclave pretreatment …
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ECONOMICS OF REFRACTORY GOLD ORE PROCESSES
Refractory gold ore pretreatment processes continue to receive much attention. … of processes have been applied to the treatment of refractory ores and concentrates.
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pretreatment of refractory gold ore with microwaves in …
… by microwave pretreatment of a free-milling gold ore … in Refractory Gold Ores … … and de-arsenic of refractory gold concentrate by … from refractory sulphide ores …
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REBgold Corporation – Technical Summary – Tue Oct 9, 2012
… gold ores. In the past, the treatment method used has first involved making a sulphide concentrate that contains the gold … the pretreatment of refractory gold concentrates …
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Treatment of refractory carbonaceous sulfide ores for gold …
… amounts of gold from these refractory ores. Such … yields, but the pretreatment conditions are not sufficient for high gold … 30 ounces of gold per ton of concentrate …
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Gold extraction – Wikipedia, the free encyclopedia
Ores in which gold occurs in chemical composition with … processes may also be used to concentrate the gold. … gold and gold-cyanide complexes. Refractory gold …
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