copper sulfate in gold flotation

copper sulfate in gold flotation

Copper Sulfate In Gold Flotation

effects of gold on copper flotation . Effects of Soluble Metals FlotationEffects of Soluble Metals Flotation. gold 0.15 oz., lead 1%, copper 0.25%, In order further to study the effects of copper sulphate on flotation,T&effects of gold on copper flotation. HG-CIL FEED OPTIMIZATION AT THE RAAHE LAIVA GOLD

Gold Flotation - Mineral Processing & Metallurgy

2016-7-13 · Lime should not be used because it is a depressor of free gold and inhibits pyrite flotation. Sodium sulphide is often helpful in the flotation of partly oxidized sulphides but must be used with caution because of its depressing action on free gold. Copper sulphate is frequently helpful in accelerating the flotation

Copper Sulfide Flotation - Mineral Processing & Metallurgy

2016-4-13 · Flowsheet for treatment of Copper Sulfide ores rich inminerals such as chalcopyrite with gold and silver as well as arsenopyrite. The above flowsheet is designed for the treatment by flotation of copper as chalcopyrite with gold

The effect of copper activation on the behaviour of free ...

2000-5-1 · 1.. IntroductionIt is well known that activation of iron sulphide flotation systems with Cu(II) will provide an increase in sulphide grades and recoveries (Chang et al., 1954; O'Connor and Dunne, 1994; O'Connor et al., 1988).In most cases, when these sulphides such as pyrite, pyrrhotite and arsenopyrite contain gold, activation with copper sulphate will also result in greater gold recoveries.

Extraction of Gold by Flotation Process - cnlitereagent

2019-11-11 · In the extraction of gold by flotation process, sulfurous acid and lime are used as inhibitor, copper sulfate as activator, ethy| xanthate and butyl xanthate as collectors and pine oil as foaming agent.

Optimisation of gold recovery by selective gold flotation ...

Copper sulphides are selectively floated from pyrite ores at high pH's in excess of 11. It is less clear how the free gold behaves under these conditions. In addition, for extra gold recovery, further collectors are added, such as the monothiophosphates, which are known to be selective gold collectors.

The role of copper sulphate in pyrite flotation ...

1988-1-1 · The standard deviation was obtained from a minimum of five tests for each case. The pH for all tests was 4 except Copper sulphate in pyrite flotation 209 for runs 4, 12 and 13 which were done at pH of 9. Copper sulphate, when added to pyrite in the presence of SMBT, resulted in a lower froth height. For coarse particles this effect is even greater.

Optimization and mechanism of gold-bearing sulfide

2014-6-5 · In order to overcome the difficulty of extracting gold from gold-bearing sulfide ore by cyanide process, flotation was adopted based on mineralogical analysis. Mineralogy shows that gold particles are of superfine structure and mainly enclosed by sulfide ores. Primary gold-bearing sulfide ore is fine-grained pyrite and arsenopyrite. The paper describes the effects of ratios and dosage of ...

Effect of Copper Sulfate on Zinc Sphalerite Flotation

2016-10-2 · Copper sulfate, when used as an activator in flotation of sphalerite, forms an invisible but physically detectable film of cupric sulfide on the surface of the sphalerite particles, as evidenced by increased electric conductivity, by chemical metathesis, and by the ability to deactivate with solutions of alkali cyanides, which are known as solvents of copper sulfides.

(PDF) A Review of the Flotation of Copper Minerals

flotation of copper ox ide ore, showed that fl otation recovery increas ed by 12.28% when ammonium sulphate was added in the presence of sodium sulphide. The hig hest recovery was obtained when ...

Industrial Grade Copper Sulphate|FOSHAN YANGXING

2018-5-26 · Industrial Grade Copper Sulphate . Copper sulfate is used by mining organizations in flotation processes, especially for treating lead-zinc and gold metals. It is likewise utilized as a part of some material coloring processess, in the make of specific sorts of rayon strands, in cowhide dressing, as an additive for timber and in hostile to fouling paints.

Optimization and mechanism of gold-bearing sulfide

2014-6-5 · In order to overcome the difficulty of extracting gold from gold-bearing sulfide ore by cyanide process, flotation was adopted based on mineralogical analysis. Mineralogy shows that gold particles are of superfine structure and mainly enclosed by sulfide ores. Primary gold-bearing sulfide ore is fine-grained pyrite and arsenopyrite. The paper describes the effects of ratios and dosage of ...

(PDF) A Review of the Flotation of Copper Minerals

flotation of copper ox ide ore, showed that fl otation recovery increas ed by 12.28% when ammonium sulphate was added in the presence of sodium sulphide. The hig hest recovery was obtained when ...

Barrick Gold Corporation - New Technology Uses Salt Or ...

2016-9-29 · September 29, 2016. Flotation froth of copper concentrate during laboratory testing in Santiago, Chile. Barrick has developed and patented a new flotation process that can produce copper concentrates from copper or copper-gold ores using salt or

The development of regrind-flotation pre-treatment of

2019-10-9 · copper recovery [1]. With liberated and copper-associated gold readily recovered in the flotation stage, this recovery difference is often due in part to operating strategies that require rejection of gold-bearing iron sulphide gangue minerals in order to maintain a saleable copper concentrate grade. To minimise gold losses, it is a common ...

Recovery of Gold as By-Product from the Base-Metals ...

2016-1-1 · Gold is a significant byproduct of the base-metals industries. This chapter focuses in particular on the practice of recovering gold from the copper industry (anodic slimes), the nickel industry, the PGM refineries, as well as within lead and zinc smelters. Recovery of gold from electronic scrap and other industrial wastes is increasingly ...

Mining Reagents - Orica

Sodium Metabisulphite (SMBS) Cyanide detoxification in gold mining Sulphuric Acid Lixiviant for uranium and nickel. Cyanide destruction in gold mining Zinc Powder Gold extraction via Merrill‑Crowe precipitation of gold cyanide solution Flotation Copper Sulphate Pentahydrate Activator for sphalerite (ZnS), pyrite (FeS2) in base metal ores

Gold-copper ores - ScienceDirect

2005-1-1 · The association of gold and copper mineralization in commercially viable ore is a common occurrence. At one end of the spectrum is the predominantly copper ore, which contains levels of gold mineralization. This would be uneconomic to mine for its gold content, but the gold provides a significant opportunity value.

Recovery of Copper from Cyanidation Tailing by Flotation ...

2015-12-10 · Effect of Copper Sulfate on Copper Recovery in the Flotation Process. The effect of copper sulfate on copper recovery were studied at pH 9.8–10.2, xanthate concentration 6.66 × 10 −5 mol/L as collector and 2# oil concentration 10 mg/L as frother. The activation time was fixed at 3 min.

1 Froth Flotation – Fundamental Principles

2009-8-27 · 1 Froth Flotation – Fundamental Principles Froth flotation is a highly versatile method for physically separating particles based on differences in the ability of air bubbles to selectively adhere to specific mineral surfaces in a mineral/water slurry. The particles with attached air bubbles are then carried to the surface and

The treatment of copper–gold ores by ammonium

2002-10-1 · The application of ammonium thiosulfate for the treatment of copper–gold ores has been investigated. Copper minerals and copper–gold samples were leached in an ammonium thiosulfate solution under varying experimental conditions, i.e. aeration, temperature and reagent addition. The behaviour of thiosulfate, tetrathionate and sulfate in ...

Copper Sulfate, Copper Sulfate, blue vitriol, कॉपर सल्फेट ...

- Synonyms: Cupric Sulfate, Copper Sulfate Pentahydrate, Blue Stone And Blue Vitriol - Application:Flotation Processes, Particularly For Treating Lead-Zinc And Gold Ores. Dyeing Processes, Preservative For Timber, Anti-Fouling Paints. Electroplating, Electrotyping And Electro Refining Of Copper

(PDF) Assesment of Ammoniacal Ammonium Sulphate

Porphyry copper ores and gold-bearing sulphides are significant contributors to overall world gold production. Flotation is the principal process for pre-concentration of the sulphides, for ...

The oxidation of thiosulfates with copper sulfate ...

In that case, sulfates and copper sulfide were formed in a similar amount in mol, when >0.57 g·L −1 Cu were used. After this, the copper sulfide formed, and had to be oxidized to copper sulfate ...

Leaching of Copper Sulphides - SAIMM

2016-6-8 · copper sulphide leaching options as alternatives to the more conventional pyrometallurgical processing route of copper sulphides. Three copper sulphide leaching and refining processes are discussed: total pressure oxidation, ferric sulphate leaching and copper chloride leaching. The effect of

1 Froth Flotation – Fundamental Principles

2009-8-27 · 1 Froth Flotation – Fundamental Principles Froth flotation is a highly versatile method for physically separating particles based on differences in the ability of air bubbles to selectively adhere to specific mineral surfaces in a mineral/water slurry. The particles with attached air bubbles are then carried to the surface and

Flotation Behavior of Complex Sulfide Ores in the Presence ...

2017-6-12 · In this study, chitosan polymer was tested as a potential selective green depressant of pyrite in the bulk flotation of galena (PbS) and chalcopyrite (CuFeS 2 ) from sphalerite (ZnS) and pyrite (FeS 2 ) using sodium isopropyl xanthate as a collector and 4-methyl-2-pentanol (MIBC) as a frother. Flotation tests were carried out in a D12-Denver flotation laboratory cell in the presence and ...

Copper Sulfate General Fact Sheet - npic.orst.edu

2016-10-5 · Copper sulfate is an inorganic compound that combines sulfur with copper. It can kill bacteria, algae, roots, plants, snails, and fungi. The toxicity of copper sulfate depends on the copper content. Copper is an essential mineral. It can be found in the environment, foods, and water. Copper sulfate

Ore deposits formed by oxidation and supergene

Ore Deposits Formed by Oxidation and Supergene Enrichment · When ore deposits are exposed to the oxidation zone they are weathered and altered with the country rocks. · The surface waters oxidize many ore minerals and yield solvents that dissolve other minerals. · An orebody thus becomes oxidized and generally leached of many of its valuable materials down to the groundwater table, or to ...

Copper Sulfate: Benefits, Side Effects, Dosage, and ...

2020-1-19 · Copper sulfate is an inorganic compound that combines copper and sulfate. In its liquid or powdered form it’s most commonly called basic copper sulfate, BSC copper fungicide, CP basic sulfate, or tri-basic copper sulfate. In its solid, crystal-shaped