mining copper extraction from sulphide ores by chloride

patent us - hcl treatment of copper sulfide minerals

a particularly useful concentrate is that obtained from sulfide copper ores and when hydrogen chloride gas is used a comparable concentration of the results are expressed as percent of copper and iron extracted from the sulfide mineral

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copper mining and extraction sulfide ores

resource looks at copper mining extraction and pyroprocessing of sulfide ores this is either sold for industrial use or used to extract oxide ores of copper by

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the chloride volatilization process of ore treatment

the bureau of mines in carrying out one of the provisions of its organic act-to dimeminate information treatment of copper ores gold-silver-copper ore from ludlow calif volatilization of silver and lead from low-grade sulphur ore from park chlorine as a metallurgical reagent for extracting metals from ores

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bacterial consortium for copper extraction from sulphide ore

oct 30 bacterial consortium for copper extraction from sulphide ore consisting the mining industry is looking forward for bacterial consortia for economic some of the chalcocite heap operations began as oxide chemical leach

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the chloride volatilization process of ore treatment

the bureau of mines in carrying out one of the provisions of its organic act-to dimeminate information treatment of copper ores gold-silver-copper ore from ludlow calif volatilization of silver and lead from low-grade sulphur ore from park chlorine as a metallurgical reagent for extracting metals from ores

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next-generation smelting technologies nikko chloride process

development of a new extracting technology for the next generation is called the nikko chloride process this method is applicable to primary sulfide copper ores commercialize the process while searching the mines to apply the process

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gold chlorination processes methods - metallurgist

aug 31 introducing the chapter entitled chlorine metallurgical processes liddell says pyritic ore or concentrate requires a dead roast before chlorination treatment of surface ores or to clean gold and silver sulphide ores the dry crushed ore was moistened and mixed with copper sulphate common salt

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patent us - hcl treatment of copper sulfide minerals

a particularly useful concentrate is that obtained from sulfide copper ores and when hydrogen chloride gas is used a comparable concentration of the results are expressed as percent of copper and iron extracted from the sulfide mineral

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the leaching of sulphide minerals in chloride media - sciencedirect

mineral sciences laboratories canmet energy mines and resources canada the leaching of copper from sulphide ore deposits occurs naturally as early scale as early as to extract copper from the acid waters at rio tinto

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innovative hydrometallurgical processes for the

aug 12 likewise solvent extraction techniques are now used for the hydrometallurgical treatment of zinc-oxide ores on an industrial scale the treatment of poor and complex zinc-sulphide resources has been extensively studied in the anaconda copper mining company commenced a -t/d electrolytic

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next-generation smelting technologies nikko chloride process

development of a new extracting technology for the next generation is called the nikko chloride process this method is applicable to primary sulfide copper ores commercialize the process while searching the mines to apply the process

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hydrometallurgy process development - alaska division of

ferric chloride leaching of the delta sulfide ores and gold extraction sulfide ores are treated by ferric chloride leaching to dissolve zinc lead copper the help of mr dan walsh in the mineral processing portion of the program and in

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simultaneous extraction of copper and iron from - research inventy

cufes2 chalcopyrite is the most abundant primary copper ore and as a result the extractive metallurgy of copper is based largely on this mineral extraction with chlorine leaching of copper sulphide minerals in an enclosed percolation

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simultaneous extraction of copper and iron from - research inventy

cufes2 chalcopyrite is the most abundant primary copper ore and as a result the extractive metallurgy of copper is based largely on this mineral extraction with chlorine leaching of copper sulphide minerals in an enclosed percolation

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copper extraction and purification - chemguide

extracting copper from its ores the method used to extract copper from its ores depends on the nature of the ore sulphide ores such as chalcopyrite are

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the cuprex metal extraction process recovering copper from

the cuprex metal extraction process recovering copper from sulfide ores e peters application of chloride metallurgy to treatment of sulphide of chalcopyrite concentrate ri washington d c u s bureau of mines

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the effect of seawater based media on copper dissolution from low

fig 1 copper extraction from low-grade ore in seawater medium acidified with csiro-chile international centre of excellence in mining and mineral processing chile leaching of sulfide ores and copper concentrates in chloride media

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acidified ferric chloride leaching of a chalcopyrite - ore dressing

mine turkey was investigated in acidified ferric chloride fecl3 solutions optimum dissolution kinetics of the abundant and most refractory of all copper sulphides 14-16 organic extracting additions sulfidizing chalcopyrite activation

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copper extraction - wikipedia

oxidised copper ore bodies may be treated via several processes react with the oxide mineral particles to produce a thin rime of sulfide

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ferric chloride leaching of the delta sulfide ores and gold extraction

grades far zinc lead and copper from the complex sulfide ores found at tok alaska1 the united states bureau of mines has conducted extensive tests on ferric lead chloride will be crystallized !kt followed by a solvent extraction and

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bacterial consortium for copper extraction from sulphide ore

oct 30 bacterial consortium for copper extraction from sulphide ore consisting the mining industry is looking forward for bacterial consortia for economic some of the chalcocite heap operations began as oxide chemical leach

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copper mining and extraction sulfide ores

resource looks at copper mining extraction and pyroprocessing of sulfide ores this is either sold for industrial use or used to extract oxide ores of copper by

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the leaching of sulphide minerals in chloride media - sciencedirect

mineral sciences laboratories canmet energy mines and resources canada the leaching of copper from sulphide ore deposits occurs naturally as early scale as early as to extract copper from the acid waters at rio tinto

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ammonia leaching in the copper industry a review - researchgate

copper from the resulting pregnant solution by solvent extraction process although copper oxide and pure copper were first used to recover copper due to high solubility in ammonia later on ammonia leaching of sulfide ores was also considered arbiter process in anaconda mine kuhn arbiter and kling

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the cuprex metal extraction process recovering copper from

the cuprex metal extraction process recovering copper from sulfide ores e peters application of chloride metallurgy to treatment of sulphide of chalcopyrite concentrate ri washington d c u s bureau of mines

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ammonia leaching in the copper industry a review - researchgate

copper from the resulting pregnant solution by solvent extraction process although copper oxide and pure copper were first used to recover copper due to high solubility in ammonia later on ammonia leaching of sulfide ores was also considered arbiter process in anaconda mine kuhn arbiter and kling

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a review on novel techniques for chalcopyrite ore processing

jan 1 keywords copper and chalcopyrite ore processing leaching solvent extraction and electrowinning quantity and as a result of oxidation of the sulfide mineral most oxide of copper minerals dissolves readily in

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a review on novel techniques for chalcopyrite ore processing

jan 1 keywords copper and chalcopyrite ore processing leaching solvent extraction and electrowinning quantity and as a result of oxidation of the sulfide mineral most oxide of copper minerals dissolves readily in

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minerals free full-text microbiological advances in - mdpi

may 25 known of the microorganisms that assisted metals extraction from sulfide ores the recovery of copper from mine water by cementation table 1 but the strains with preferred ph 12 have limited tolerance to chloride

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atmospheric pressure leaching application for the recovery - saimm

the southern african institute of mining and metallurgy to improve copper extraction the tailings were copper is produced by pyrometallurgical processes from sulphide ores while the remainder is produced by oxide ores and tailings acid consumption can be escalated by the presence of gangue minerals such as

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