cyanidation of gold ores containing antimony

Brewster, A Brief History of Mining in Utah - UtahRails

The production of quicksilver, arsenic, tungsten, manganese, antimony and ... By-product gold from copper ore has made Utah a leading gold producing state. ..... grade ores usually contain much lead and silver with some copper and gold. .... as a precipitant of gold from cyanide solutions, the remedy at Mercur having been...

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The Basics of Small-Scale Heap Leaching with Cyanide Part I ...

The cyanide solution dissolves gold and silver and the liquid drains down to a .... Ores containing antimony sulfides, graphite or carbonized wood, oxidized...

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Cyanidation of gold ores containing copper, silver ... - Science Direct

Jul 1, 2010 ... Cyanidation of gold ores containing copper, silver, lead, arsenic and ... first sample contained 10.5 ppm gold with high arsenic and antimony.

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Influence of lead nitrate on cyanide leaching of gold and silver from ...

Extraction of gold from its ores by cyanide leaching has been the preferred method ..... parameters for a refractory gold ore containing aurostibite and antimony...

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Cyanide Leach Packet - Earthworks

as a means of extracting gold from ores that had been considered too low in .... Cyanide-leaching allows mining companies to reopen and expand mines containing ..... mining facilities are: Aluminum, Antimony, Arsenic, Barium, Beryllium,...

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Reactivity of Sulfide minerals and its Effect on Gold Dissolution and ...

of gold in cyanide solution in the presence of suEde minerals in air and ... solution containing various ions and sulfide minerals. ... dissolution followeed by antimony ions. ...... revolutionized the processing technology for gold and silver ores.

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the alkaline sulfide hydrometallurgical - SAIMM

application to arsenic, antimony and mercury bearing ores, concentrates, by-products, and other materials. .... solutions as it does for gold cyanide solutions. ... gold from an alkaline sulfide leach solution containing these impurities. The assay...

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Gold - Encyclopedia - Theodora

Native arsenic and antimony are also very frequently found to contain gold and silver. .... In 18 99, 57 62 stamps were in operation, crushing 7,331,446 tons of ore, ..... Auric cyanide, Au(CN) 3, is not certainly known; its double salts, however,...

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technical report treatment of cyanide heap leaches and tailings

solution, contains between 1 and 3 ppm of gold material (Bureau of Mines 1986). ..... cyanide and cyanide metals, and did not contain arsenic or antimony, then...

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Biooxidation Pretreatment Cyanide Leaching of a Flotation Gold ...

Oct 22, 2012 ... Abstract:This study reached a gold ore which contain 3.83g/t gold, ... them, contain arsenic, antimony resources of the biggest gold depoits[2]...

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Lead and Zinc - Department of Energy

Lead and zinc ores are usually found together with gold and silver. A lead-zinc ore ..... This dross contains a wide variety of metals (copper, nickel, arsenic, antimony, and lead) present in the ...... These reagents may include cyanide, which is...

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Patent US3174848 - Process for treating high antimonybearing gold ...

A well established method for treating refractory gold ores in which the gold is locked ... roast, followed by cyanidation of the resulting calcine to recover the gold. ... a roasting charge of gold ore concentrates containing 2% to 20% antimony is...

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Hilson&AJM,JCP2006.doc - Spiral - Imperial College London

Keywords: cyanide; gold; alternatives; thiourea; thiosulphate; thiocyanate ..... Moreover, if using cyanide to treat refractory sulphide gold-containing ore, which ... at the New England Antimony Mines in New South Wales, Australia, which was...

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Download as PDF - InTech

Feb 1, 2012 ... Carbonaceous gold ores contain (a) an activated component which is capable of ... prior to cyanidation to treat refractory gold ores: chemical (chlorine, hypochlorite, chlorates, ..... arsenic, antimony and copper content (37).

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Gold Mining Process Development – Denver Mineral Engineers

Gravity separation; Flotation; Cyanidation; Refractory ore processing; Alternative lixiviants; Amalgamation. Cyanidation ... contact of ore with mercury to form a gold-mercury amalgam. This process ... contain the gold. .... antimony, and arsenic.

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Copper, Silver and Gold

Nov 24, 2002 ... Copper, silver and gold are found in elemental or "native" form at the earth's .... Most ancient "copper" is indeed bronze, containing tin but also lead and zinc. .... The sulphide ores are roasted to drive off the sulphur, arsenic and antimony, then .... The cyanide ion is used in silver plating and in the cyanidation...

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A fundamental study of the alkaline sulfide leaching of gold

sulfur containing streams are difficult to treat using cyanidation. In the present ... Many gold ores are problematic as they contain metal sulfides, such as pyrite, arsenopyrite and chalcopyrite. ... leaching of antimony (Anderson and Krys, 1993).

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Cyanide Leaching Of Gold - Mine Engineer

information on cyanide leaching of gold leach plants. ... Zinc, the element used to precipitate gold from solution, if present in the ore, will bond with the ... Arsenic and antimony do present a larger problem, by reacting with the cyanide and using...

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The reasons of gold refractory, Gold ore classification, and ...

Nov 28, 2016 ... The gold is fine-grained or microscopic granular in the gold ore, and it is surrounded or ... The side effect of Oxygen and cyanide consumption minerals. ... Pyrite, Arsenical pyrite, realgar, orpiment, and Arsenic antimony sulfur gold ore .... GOLD CONCENTRATE CONTAINING ARSENIC AND CARBON.

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Gold-PM Conference - ALTA Metallurgical Services

(Australia). GLYCINE-CYANIDE SYNERGIES IN THE LEACHING OF COPPER-GOLD ORES AND CONCENTRATES. 254 ... for ASGM, due to implication of low grade and more complex ores containing copper, arsenic and antimony minerals.

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Comparison of different extraction methods to determine gold in ...

The extraction methods were fire-assay (FA), cyanide leach, and methyl isobutyl ketone (MIBK) solvent ... Refractory gold ores are not free milling and cannot ... antimony and copper. ... The complex bead containing gold and silver was.

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Cyanidation of gold ores containing copper, silver ... - ResearchGate

Cyanidation tests on two ore samples from two different gold deposits are reported. The first sample contained 10.5 ppm gold with high arsenic and antimony.

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Hydrometallurgy 2008 - Proceedings of the Sixth International ...

Antimony, Arsenic, Gold, Mercury and Tin Separation, Recovery and Fixation by ..... a Refractory Gold Ore Containing Aurostite and Antimony Minerals: Part II-AD ... Treatment of the Carmacks Copper-Gold Ore by Acid Leaching and Cyanide...

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Processing Gold Ores Using Heap Leach-Carbon ... - Anfacal

leaching of gold ores with dilute cyanide solutions and the recovery of gold ... dolomite siltstone-type ores containing submicrometer particles of gold in a .... tion, such as partially oxidized sulfides of antimony, zinc, iron, copper, and.

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How Arsenic Affects Cyanidation Leaching of Gold - Mineral ...

Sep 7, 2016 ... The Influence of Arsenic in the Cyanidation of Gold Ores is explained ... arsenic is so often accompanied by antimony, pyrrhotite or graphite, stating that ... to does not deal with the cyanidation of silver ores containing arsenic.

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Full text of "The cyanide process of gold extraction: a text-book for ...

When an ore contains a proportion of both fine and coarse gold the cyanide ... oxide, and carbonate ores of copper, and also on the sulphides of antimony,...

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Sulfides, Selenides and Tellurides: rebellious and refractory gold ores

Sulfide ore from Austin that didn't contain at least 70 ounces per ton of silver had to ... also contain things like copper or antimony that can react with the cyanide,...

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Arsenic and Antimony Sulphide Minerals in Cyanidation - Mineral ...

Oct 23, 2016 ... The successful cyanidation of gold ores containing appreciable amounts of arsenic or antimony sulphide minerals such as orpiment, realgar,...

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Selective froth flotation concentration of antimonite ore from ... - IJEAS

containing antimony 30.68%, lead 1.52% and arsenic 0.85% ... The froth flotation process is used for ore concentration by ... with gold (auroantimonite) and in oxides (kermesite, .... Effect of using Potassium dichromate and sodium cyanide.

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Implementation of sodium hydroxide pretreatment for refractory ...

Alkaline pretreatment of a refractory gold-silver ore containing antimony ... to 90% and gold from less than 49.3% to 85.4% during subsequent cyanidation.

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(AuSb2) during amalgamation - Mineralogical Society

These zones contain gold, ... of gold;. (ii) Its easy artificial formation when gold ores containing antimony ... mercury and cyanide (Coleman, 1953; Sobotka,.

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bearing refractory gold and silver ore by diagnostic leaching

cyanide leaching tests showed that the extractions of gold and silver from the ore (d80: 50 µm) were limited to 76% and 23%, ... refractoriness of iron oxy/hydroxide bearing gold/silver ore and as a .... found to contain 8.4 g/t Au, 167.0 g/t Ag, 2.6% Pb, 4.8% ..... from a refractory antimony ore by pre-treatment with alkaline.

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Mobilisation and transport of arsenic and antimony in the adjacent ...

Jul 11, 2009 ... Arsenic and antimony distribution in water, sediment, soil and plants in the Yata ... Some mine tailings usually contain abundant As and Sb, and constitute ... Ores are crushed and gold is extracted by cyanide heap leaching.

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Full-Text PDF - MDPI

Aug 27, 2015 ... germanium from zinc ores and for the recovery of ultrafine gold is also ... The use of tannins for the polymetallic ore containing tin, antimony lead, and .... lignin sulfonate salts, sodium cyanide, and other tannin extracts were...

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Cyanide Leaching Chemistry & Gold Cyanidation - Mineral ...

Oct 23, 2016 ... Arsenic in the form of realgar and orpiment and antimony as stibnite ... Products obtained from gold ores by flotation contain, in addition to gold...

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Recovery of precious metals

Dec 6, 1983 ... by solubilization with sodium or potassium cyanide and subsequent ... Gold ores containing antimony and silver ores contain ing arsenic or...

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Evaluation of leaching parameters for a refractory gold ore ...

A cyanidation study was conducted on a mild refractory gold ore sample from the Central ... The ore also contains 2.8% pyrrhotite, together with several antimony...

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