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Sulfide Ore Separating Metals In Chile

sulfide-ore-separating-metals-in-chile A lowgrade sulfide ore was used with a copper grade of 025 110 to 150 rpm the separation of bacteria from Sarcheshmeh Copper Mine was carried out After adjustment of the sample bioleaching tests were performed in accordance with the pattern defined by the metals from ores and waste materials 24 Bioleaching has been

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Optimization of parameters affecting recovery of copper

A lowgrade sulfide ore was used with a copper grade of 025 110 to 150 rpm the separation of bacteria from Sarcheshmeh Copper Mine was carried out After adjustment of the sample bioleaching tests were performed in accordance with the pattern defined by the metals from ores and waste materials 24 Bioleaching has been

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Leaching of Primary Copper Sulfide Ore in Chloride

Agglomerated ore the ore was rst cured for 14 days and then leached for 90 days The highest copper extraction 5023 was achieved at 329 C with the addition of 06 kg of H 2SO4 per ton of ore 0525 kg of NaCl per ton of ore and 05 kg of FeSO4 per ton of ore In respect to copper extraction

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Copper Mining and Extraction Sulfide Ores

An ore is a rock or mineral that has enough metal in it to make it worth extracting Mining copper About 200 years ago the UK was an important world source of copper and tin and there were mines in Cornwall and Devon These mines have now closed and today the biggest copper mines are in Chile Escondida mine and Indonesia Grasberg mine

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Separate iron from sulfide zn ores BINQ Mining

Apr 28 2013018332Electrochemistry Encyclopedia Extracting metals from sulfide ores 1 Blasting sulfide ore in the Codelco Chuquicamata opencut copper mine Chile nickel sulfides and separate them from iron sulfides and gangue minerals 187More detailed

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EXTRACTING METALS FROM SULFIDE ORES

Blasting sulfide ore in the Codelco Chuquicamata opencut copper mine Chile The first step in recovering metals from their minerals is that of finding orebodies in which metal sulfides are present in a sufficient quantity and at a sufficient concentration for mining to be economic

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Hardwood lignosulfonates for separating gangue materials

CLAIMS We claim 1 An ore slurry comprising a a metal sulfide ore b water c a hardwood lignosulfonate wherein i the lignosulfonate has a weight average molecular weight of about 3 kDa to about 12 kDa ii the lignosulfonate has a total sulfur content of less than about 100 ww and iii the lignosulfonate has a sulfonate content of less than about 75 ww and d a

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PDF Leaching of Primary Copper Sulfide Ore in Chloride

Copper extraction from primary copper sulfide ore from a typical porphyry copper deposit from Antofagasta Chile was investigated after leaching with a chlorideferrous media at two temperatures

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Leaching of Primary Copper Sulfide Ore in ChlorideFerrous

Copper extraction from primary copper sulfide ore from a typical porphyry copper deposit from Antofagasta Chile was investigated after leaching with a chlorideferrous media at two temperatures The study focused on whether this chemical leaching system could be applied at an industrial scale Leaching tests were conducted in columns loaded with approximately 50 kg of agglomerated ore the

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Ore mining sulfide

Copper Mining and Extraction Sulfide Ores Traduire cette page Metals are often found as compounds in ores An ore is a rock or mineral that has enough metal in it to make it worth extracting Mining copper About 200 years ago the UK was an important world source of copper and tin and there were mines in Cornwall and Devon

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Sulfide Ores an overview ScienceDirect Topics

Copper zinc and nickel are recovered from the pregnant leach solution by sequential hydrogen sulfide precipitation of separate metal sulfide precipitates The heaps are typically leached for 15 years The planned production of nickel in the sulfide precipitate is approximately 50 000 tonnes per year

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The Blue Water Footprint of Primary Copper Production in

Feb 01 2014018332Abstract Water consumption related to the life cycle of metals is seldom reported even though mines are often situated in very dry regions In this study we quantified the life cycle consumption of groundwater and fresh surface water blue water footprint WF for the extraction and production of highgrade copper refined from both a copper sulfide ore and a copper oxide ore in the

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Metal Mobilization by Iron and SulfurOxidizing Bacteria

Furthermore it gives the possibility to develop microbial methods of metals extraction from ore deposits 5 8 and to predict biogeochemical pathways of metals transformation in the areas of man

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Froth Flotation Method JXSC Machine

Gold silver and xanthate form insoluble xanthate The order of solubility product is after Mercury and before bismuth and antimony so it can be separated from other metal minerals When flotation of gold and silver sulfide ores the general xanthate dosage is 50150 gt

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Rebellious Ores Sulfides Selenides and Tellurides

In many locations where they had initially been recovering 90 of the assay values processing oxidized surface ore with the rebellious sulfide ores they were recovering less than 50 The rest of the precious metals in their ore simply flowed uselessly out from the mill and into the tailings pond

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Hardwood lignosulfonates for separating gangue materials

Jul 17 2012018332We claim 1 An ore slurry comprising a a metal sulfide ore b water c a depressant consisting essentially of a hardwood lignin sulfonate wherein i the lignin sulfonate has a weight average molecular weight of about 3 kDa to about 12 kDa ii the lignin sulfonate has a total sulfur content of less than about 100 ww and iii the lignin sulfonate has a sulfonate content of

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The Blue Water Footprint of Primary Copper Production in

Jun 21 2013018332Water consumption related to the life cycle of metals is seldom reported even though mines are often situated in very dry regions In this study we quantified the life cycle consumption of groundwater and fresh surface water blue water footprint WF blue for the extraction and production of highgrade copper refined from both a copper sulfide ore and a copper oxide ore in the Atacama

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Science Desk How SulfideOre Copper Mines Pollute Save

May 08 2015018332No metal recovery method is 100 efficient and metals and sulfides are left behind in the tailings Tailings also contain residue from the explosives used to blast the pit wall chemicals used to separate metals from sulfide minerals and other ore components with little economic value

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Twin Metals owner has a history of environmental disaster

May 26 2017018332Twin Metals a Minnesota company owned by Chilean mining titan Antofagasta Minerals has dreams of striking valuable copper nickel and platinum near Ely But the

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Copper output to spike in worlds top producer Chile

Nov 19 2018018332Copper output in Chile the worlds top producer of the metal is expected to increase 4 in 2019 and continue to grow steadily during 2019 due

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Sustainable Production in the Mining Industry By

Ore Mining There are three basic methods of extracting copper ore surface underground and solution mining Representing 83 of domestic mining capacity surface openpit mining is the predominant method used today by the US copper mining industry However solution mining of copper oxide and sulfide ores has increased since 1975

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Great Deposits of the World La Escondida Porphyry Copper

Sep 11 2020018332The Global resources is 217 Billion tonnes at 054 percent Copper including Escondida and adjacent deposits and the mine and ancillary industries contributes 25 to Chiles GDP The mine itself excavates and mills some 370 million tonnes per annum shipping over 1 million tonnes of the red metal every year

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Copper Sulfide an overview ScienceDirect Topics

The common route for turning copper sulfide ores into metal is high temperature oxidation of sulfides to produce an impure liquid copper This is cast into slablike anodes Principal impurities are iron and precious metals gold and silver The anodes are electrolytically refined in cells sketched in Fig 8

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How to use magnetic separation sulfida gold ore

The copper processing industry refines copper from metal ores or scrap copper The leading consumers of copper are wire mills and brass mills which use the Pyrometallurgy or smelting is used on ore with copper sulfide and iron sulfide minerals and includes sorting stripping shredding and magnetic separation Chat Now

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Sierra Gorda CopperMolybdenum Mine Project Chile

The feasibility study focused on the principal sulfide ore which is processed at an initial daily throughput of 110000 tons per day tpd with provision for potential expansion to 190000 tpd The project facilities included those for open pit mine development and preproduction stripping

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US981451A Method of separating metallic compounds

US981451A US57327410A US1910573274A US981451A US 981451 A US981451 A US 981451A US 57327410 A US57327410 A US 57327410A US 1910573274 A US1910573274 A US 1910573274A US 981451 A US981451 A US 981451A Authority US United States Prior art keywords ferrous non iron metals solvent Prior art date 19100722 Legal status The legal status is an assumption and is not a

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EXTRACTING METALS FROM SULFIDE ORES

Weathering of sulfide orebodies Ore blasting Fig 1 Blasting sulfide ore in the Codelco Chuquicamata opencut copper mine Chile The first step in recovering metals from their minerals is that of finding orebodies in which metal sulfides are present in a sufficient quantity and at a sufficient concentration for mining to be economic

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