Alkaline Flotation Of Copper Sulphide

Copper Sulfide Flotation - Mineral Processing & …

Copper Sulfide Flotation Circuit. The pulp from the Conditioner is treated in a 10-cell “Sub-A” Flotation Machine and a 4-cell “Sub-A” Flotation machine.

US3596838A - Flotation of sulphide ores - Google Patents

The first step comprises conditioning a pulp of the ore in the presence of at least one alkaline ... flotation of copper-nickel sulphide ... flotation of sulphide ...

Flotation of Copper Sulfide Ores - Handbook of Flotation ...

Reagent scheme used for flotation of sulfide copper ores. ... schemes used in the treatment of copper sulfide ores. ... If the flotation is conducted in alkaline pH, ...

Pyrite Flotation With Xanthate Under Alkaline …

oxidation and pH decrease to reach optimal flotation condition with a relatively low xanthate concentration. INTRODUCTION Pyrite is the most common sulfide mineral. Pyrite is often associated with other base-metal sulfide minerals and coal. It is generally considered as a barren mineral and concentrated in the mine tailings produced at the …

alkaline flotation of copper sulphide - gurusrestaurant

alkaline flotation of copper sulphide - gujaratgenomicsin Effect of Seawater on Sulfide Ore Flotation: A , strong buffering effect, which difficult the operation at high alkaline condition The objective of this . know more

Flotation Reagents - Mineral Processing & Metallurgy

This data on chemicals, and mixtures of chemicals in froth flotation with some of the more common flotation reagents and their uses.

Flotation of heavily oxidized pyrite in the presence of ...

The ease or complexity of the selective separation of copper sulphur minerals during sulphide flotation is always dominated by the level of surface oxidation.

Effect of pH on the Recovery and Grade of Base …

Effect of pH on the Recovery and Grade of Base ... the cost of lime in sulphide minerals flotation is roughly ... their selective flotation from lead or copper ...

Copper extraction - Wikipedia

Supergene sulfide ores rich in native copper minerals are refractory to treatment with sulfuric acid leaching on all practicable time scales, and the dense metal particles do not react with froth flotation media.

Flotation of a copper sulphide ore from Okiep …

froth flotation performance obtained with a bornite-rich copper sulphide ore from Okiep Copper Mine with a feed grade of 1.8% copper. Batch flotation tests were used to assess the performance in terms of mass-water recovery, sulphur grade-recovery and copper grade-recovery relationships and the Klimpel rate constant for copper recovery.

Flotation of a copper sulphide ore from Okiep …

copper. Batch flotation tests were used to assess the performance in terms of mass-water recovery, sulphur grade-recovery and copper grade-recovery relationships and the Klimpel rate constant for copper recovery. The results showed that the di-ethyl-dithiocar-bamate (di C2-DTC) was the weakest collector of copper sulphide minerals.

Flotation experiment research on a polymetallic …

Flotation experiment research on a polymetallic sulfide ore of ... polymetallic sulfide ore; bulk flotation of copper ... and zinc is generally suitable at alkaline ...

Hydrometallurgical Options to Add Value to …

Hydrometallurgical Options to Add Value ... Flotation) ROM ore ... Other (Cement, Copper Sulphide, Copper Oxide)

Flotation of mixed copper oxide and sulphide …

Flotation of mixed copper oxide and sulphide minerals with xanthate and hydroxamate collectors K. Leea, D. Archibaldb, J. McLeanc, M.A. Reuterc,* a Ausmelt Limited, AMML, Unit 3/8 Yandina Road, West Gosford, NSW 2250, Australia

Alkaline Sulfide - ResearchGate

common copper sulfide ore with high amounts of ... an alkaline sulfide leach potentially ... flotation concentrate production at Marca Punta Norte is 125 tonnes ...

Interpreting the role of reagents in the flotation of ...

generally considered to be a slow floating sulphide, with the flotation ... Interpreting the role of reagents ... the majority of the added copper, at these alkaline ...

FLOTATION OF SULPHIDE ORES - DAVID WESTON

Aug 03, 1971· I claim 1. A process for the flotation recovery of copper and nickel sulphide minerals from ores containing both such minerals by a process in which at least two-conditioning steps precede flotation, said process consisting essentially of; conditioning a pulp of the ore in the presence of at least one alkaline agent selected …

FLOTATION OF COPPER ORES - WESTON D,CA

May 29, 1973· FLOTATION OF COPPER ... treatment for subsequent flotation at an alkaline ... the effective recovery by flotation of copper sulphide values and ...

Optimization of Cu–Zn Massive Sulphide Flotation by ...

Optimization of Cu–Zn Massive Sulphide Flotation by Selective ... when floatation is carried out in alkaline ... Flotation of a copper sulphide ore from Okiep ...

Flottec 2000 Series Collector Product Data Sheet | Sulfide ...

dithiophosphates (DTP). These products are used primarily for the flotation of sulfide ores containing copper, lead, zinc, silver, and gold. The DTP’s are especially suited for sulfide flotation in alkaline circuits when selectivity against iron sulfides is needed.

Copper extraction - Wikipedia

Copper extraction refers to the ... and the dense metal particles do not react with froth flotation media. Typically, if native copper is a minor part of a supergene ...

ENVIRONMENTAL ISSUE IN COPPER ORE …

ENVIRONMENTAL ISSUE IN COPPER ORE FLOTATION BY XANTHATES ... The process of flotation of copper ... have shown that the presence of copper sulphide …

pyrite depression in copper flotation - …

Pyrite Flotation With Xanthate Under Alkaline . ... Diethylenetriamine dIn copper sulphide flotation, copper adsorbs on pyrite through superficial oxidation of the ...

Collectors - Moly-Cop

We offer our clients collectors for sulphide ore flotation, ... It is an effective collector of copper in both alkaline and acidic circuits.

Copper Mining and Extraction Sulfide Ores

Copper Mining and Extraction: Sulfide Ores. ... This is done by heating the concentrated ore from froth flotation. ... of blister copper by reduction of copper sulfide:

sulfide iron leaching for gold recovery flowsheet - …

Alkaline Sulfide Recovery of Gold ... Sulphide Gold Ore Treatment by Leaching and Flotation Process. Sulphide Gold Ore Treatment by Leaching and ... leaching copper ...

Collectors - Moly-Cop

This product has historically been considered a good choice for the flotation of sulphide ores such as copper, lead, nickel and zinc. Dithiophosphate and Mercaptobenzothiazol Blend (MC404) Is a mixture of dithiophosphate and mercaptobenzothiazol widely used in tarnished and secondary copper ore flotation, also used in tarnished lead and zinc ore …

Introduction to Mineral Processing - Chevron Phillips …

Introduction to Mineral Processing. ... from the copper sulfide. Chemicals referred to as depressants are added to the pulp to reduce the flotation of the copper ...

Copper Mining and Processing: Processing of Copper …

B. Processing of Sulfide Ore Sulfide ores are generally processed using pyrometallurgy, the extraction and purification of metals by processes involving the application of heat. This process uses a series of physical steps and high temperatures to extract and purify copper from copper sulfide ores, in four basic steps: 1) froth flotation, 2) thickening, 3) …

Copper Sulfide Ore Flotation Technologies - Xinhai

Copper sulfide ore has good inherent floatability, so flotation process is a mature method used for copper sulfide ore separation. In recent years, with the continuous development of copper sulphide flotation technology, many scholars also proposed a series of new principles of mineral processing, such as “collect early, loss early” and “more crushing …

Optimization of Cu–Zn Massive Sulphide Flotation by ...

S.J.M. Bulatovic, Handbook of Flotation Reagents: Chemistry, Theory and Practice: Flotation of Sulfide Ores, vol. 1 (Elsevier Science & Technology Books, Amsterdam, 2007) Google Scholar 2. A.P. Chandra, A.R. Gerson, A review of the fundamental studies of the copper activation mechanisms for selective flotation of the sulfide minerals, …

US2485083A - Froth flotation of copper sulfide ores …

The lignin sulfonate may be used in acid form but we prefer to use the alkali metal or alkaline ... In the concentration by froth flotation of copper sulfide ...

Possibility of sodium cyanide elimination from a …

Possibility of sodium cyanide elimination from a flotation process . ... floating in alkaline solutions ... strong depressants in selective flotation of sulphide

Journal of Dispersion Science and Technology

One of the very important characteristics of pyrite flotation is that in alkaline ... sulfide (Na 2 S) on flotation of copper ... Journal of Dispersion Science and ...

FLOTATION OF SULPHIDE ORES - DAVID WESTON

Aug 03, 1971· I claim 1. A process for the flotation recovery of copper and nickel sulphide minerals from ores containing both such minerals by a process in which at least two-conditioning steps precede flotation, said process consisting essentially of; conditioning a pulp of the ore in the presence of at least one alkaline agent selected …

PROCESS OPTIMISATION OF MIXED COPPER ORES …

PROCESS OPTIMISATION OF MIXED COPPER ORES THROUGH REAL-TIME MINERALOGICAL ANALYSES ... ores are either treated through standard sulphide flotation…

ROLE OF STARCH AND METABISUPHITE ON PURE …

Depression of pyrite is very important in sulphide ore flotation. This ... in alkaline conditions for ... pyrite and pyritic copper ore flotation ...

DEPRESSION OF COPPER AND IRON SULFIDES IN …

Feb 02, 2017· A method of depressing copper sulfides and iron sulfides in a molybdenite floatation recovery process uses alkaline or alkaline earth polysulfides at high concentrate pH.

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