frothing in the flotation of copper sulfide ores

Copper Sulfide Flotation - Mineral Processing & … Flowsheet for treatment of Copper Sulfide ores rich in minerals 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 and silver values.

frothing in the flotation of copper sulfide ores

Flotation Behavior of Complex Sulfide Ores in the Presence . Base metals such as copper lead and zinc are mainly extracted from sulfide ores Mostly these base metals tend to exist together in an ore Flotation process is widely used to separate these minerals in sulfide ores A wide range of chemical reagents are used in the flotation process to separate the different minerals

Frothing in the flotation of copper sulfide ores in sea ...

The selection of appropriate frothing agents for flotation of porphyry copper ores in sea water is becoming an important issue. In this paper a specially modified laboratory flotation cell was ...

(PDF) A Review of the Flotation of Copper Minerals

The recovery of these copper minerals by flotation or hydrometallurgy from ores, typically containing 0.5%TCu (open pit mines) and 1-2%TCu (underground mines) is of great commercial importance.

Copper–molybdenum ores flotation in sea water ...

Frothing in the flotation of copper sulfide ores in sea water. In: Proc. International Symposium on Water in Mineral Processing. The 2012 SME Annual Meeting, Seattle, USA, pp. 211–223.

the most effificient sulphide ore flotation cell

Flotation Cell. A large floatation ... Introduction:A new efficient thickener independently developed by Xinhai. ... Flotation of a copper sulphide ore from Okiep using. Inquire Now; frothing in the flotation of copper sulfide ores. frothing in the flotation of copper sulfide ores_ Copper Sulfide Mineral Flotation MineralProspectorcomAir is ...

Copper Sulfide Flotation - Mineral Processing & Metallurgy

Flowsheet for treatment of Copper Sulfide ores rich in minerals 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 and silver values. The ore, ranging from 60-65% silica, with pyrite, arsenopyrite, and calcite with 3 to 4% copper.

Froth flotation - Wikipedia

Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic.This is used in mineral processing, paper recycling and waste-water treatment industries. Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century.

Froth Flotation Process - Mineral Processing & Metallurgy

in the flotation of Cu-Mo sulfide ores containing pyrite can be related to the precipitation of magnesium hydroxide, an explanation of the phenomena associated with frothing in the flotation of Cu-Mo ores is still missing. Experimental Material and methods In our previous tests the samples of Cu-Mo sulfide ores from three different plants in

Flotation of copper ore - Henan Mining Machinery Co., Ltd.

Flotation of nonsulfide copper minerals is rare because these ores are mostly subjected to hydrometallurgical copper recovery, for example, heap leaching In Zambia and Zaire, however, siliceous copper oxide ores are floated with fatty acid collectors, and dolomitic copper oxide ores are sulfidized with sodium hydrogensulfide and then floated. 6.

Flotation of metal ores - Henan Mining Machinery Co., Ltd.

The polymetallic sulfide ores of copper, lead, and zinc are usually processed via flotation, and the concentrates of these three metals and sulfur can be obtained Valuable elements in the ore are recovered by enriching the concentrate products and can be further recovered via smelting[24] 12.

pper sulfate in gold flotation - colorholland.nl

Effect of Copper Sulfate on Zinc Sphalerite Flotation. As an example of the beneficial effect of copper sulfate in the activation of zinc sphalerite toward flotation, the series of results shown in Fig. 1 is of interest. These represent rougher tests on a sample of heavy pyritic ore.

Sulphide Flotation - an overview | ScienceDirect Topics

The copper-bearing eluate is returned to the leaching circuit, while the gold eluate is either electrowon or precipitated. Jeffrey et al. (2008b) also reported gold recoveries of >95% from a pressure-oxidized flotation sulfide concentrate.

Sulfide Ores Copper Froth Flotation

Flotation Of Copper Sulfide Ores Noferplei. Copper sulfide flotation circuit beneficiation of copper sulfide by flotation copper, due to the present world demand and price, is of foremost interest to the mining industry.Many new properties are either in the process of being brought into production or are.Copper mining and extraction sulfide ores.Copper mining and extraction sulfide ores.

Process For The Flotation Of Base Metal Sulfide Minerals ...

A process for the beneficiation of copper sulfide mineral values from base metal sulfide ores with selective rejection of pyrite and/or pyrrhotite or other gangue minerals at pH values of below about 10.0 by froth flotation is disclosed. The process includes the use of a new and improved collector which at pH values below 10.0 exhibits unexpectedly high collector activity for copper sulfide ...

The role of collectors in the flotation of partially ...

Batch flotation tests were used to assess the performance in terms of mass-water recovery, sulphur grade-recovery, copper grade-recovery and acid soluble copper grade-recovery relationships and the Klimpel rate constant for copper recovery. Flotation characteristics of bornite rich Carolusberg copper sulphide ore from Okiep Copper Company (1.8% ...

FLOTATION OF COPPER SULFIDE ORES - STEPHAN …

25-12-1973· A flotation promoter for the selective water flotation of thin finely ground copper-bearing sulfide ores and the suppression of iron pyrites therein, finely ground state consisting essentially of an aliphatic hydrocarbon sodium sulfate having a C 8 - C 10 carbon chain and having propylene oxide chemically combined therewith in an amount in the range of 5 to 30 mols.

Copper extraction - Wikipedia

Sulfide ores. Secondary sulfides – those formed by supergene secondary enrichment – are resistant to sulfuric leaching.These ores are a mixture of copper carbonate, sulfate, phosphate, and oxide minerals and secondary sulfide minerals, dominantly chalcocite but other minerals such as digenite can be important in some deposits.. Supergene ores rich in sulfides may be concentrated using ...

Acid leaching of oxide–sulfide copper ore prior the ...

453 Acid leaching of oxide–sulfide copper ore prior the flotation – A way for an increased metal recovery Miroslav D. Sokić1, Vladan D. Milošević1, Velizar D. Stanković2, Vladislav Lj.Matković1, Branislav R. Marković1 1Institute for Technology of Nuclear and Other Mineral Raw Materials, Belgrade, Serbia 2University of Belgrade, Technical Faculty, Bor, Serbia

Acid leaching of oxide–sulfide copper ore prior the ...

453 Acid leaching of oxide–sulfide copper ore prior the flotation – A way for an increased metal recovery Miroslav D. Sokić1, Vladan D. Milošević1, Velizar D. Stanković2, Vladislav Lj.Matković1, Branislav R. Marković1 1Institute for Technology of Nuclear and Other Mineral Raw Materials, Belgrade, Serbia 2University of Belgrade, Technical Faculty, Bor, Serbia

Process For The Flotation Of Base Metal Sulfide Minerals ...

A process for the beneficiation of copper sulfide mineral values from base metal sulfide ores with selective rejection of pyrite and/or pyrrhotite or other gangue minerals at pH values of below about 10.0 by froth flotation is disclosed. The process includes the use of a new and improved collector which at pH values below 10.0 exhibits unexpectedly high collector activity for copper sulfide ...

US3865718A - Frothers for the flotation of sulfidic ores ...

A process involving the use of a new and improved class of frothing agents in the froth flotation of ores such as the sulfide ores of copper, molybdenum, lead, nickel and zinc, as well as for separating coal fines by flotation. The class comprises the non-hydroxylated ether derivatives of dialkylene glycols such as ethylene glycol and propylene glycol.

Sulfide Ores Copper Froth Flotation

Flotation Of Copper Sulfide Ores Noferplei. Copper sulfide flotation circuit beneficiation of copper sulfide by flotation copper, due to the present world demand and price, is of foremost interest to the mining industry.Many new properties are either in the process of being brought into production or are.Copper mining and extraction sulfide ores.Copper mining and extraction sulfide ores.

Flotation of Copper Sulfide Ores - PDF Free Download

Many porphyry copper plants have a frothing problem and because of this, the usual tendency is to use collectors with frothing properties. Table 12.7 lists reagent schemes according to the type of copper minerals and ore gangue compositions. ... Flotation of Copper Sulfide Ores 6.

FLOTATION OF COPPER SULFIDE ORES - STEPHAN …

25-12-1973· A flotation promoter for the selective water flotation of thin finely ground copper-bearing sulfide ores and the suppression of iron pyrites therein, finely ground state consisting essentially of an aliphatic hydrocarbon sodium sulfate having a C 8 - C 10 carbon chain and having propylene oxide chemically combined therewith in an amount in the range of 5 to 30 mols.

Flotation Reagents For Gold And Silver Ores

2020-4-28However there are some limitations in flotation such as ores with gold particles larger than 0.2-0.3 mm or pure quart gold ores without metal sulfides which are difficult to deal with by flotation separation alone. This paper introduces commonly used reagents and the flotation process of gold and silver ore for you. You may interest in 1

Copper Production: How Is Copper Made? - ThoughtCo

26-9-2019· Virtually all sulfide-type copper ores, including chalcocite (Cu 2 S), chalcopyrite (CuFeS 2) and covellite (CuS), are treated by smelting.After crushing the ore to a fine powder, it is concentrated by froth flotation, which requires mixing the powdered ore with reagents that combine with the copper to make it hydrophobic.

Copper Mining and Extraction Sulfide Ores

The smelter for sulfide ores produces sulfur dioxide gas. This is scrubbed from the flue gases to make sulfuric acid for leaching copper from oxide ores. Scrubbing sulfur dioxide also protects the environment. For example: FeO(s) + SiO 2 (s)→ FeO.SiO 2 (slag) This is …

US2130574A - Flotation of carbonaceous ores - Google …

US2130574A US163302A US16330237A US2130574A US 2130574 A US2130574 A US 2130574A US 163302 A US163302 A US 163302A US 16330237 A US16330237 A US 16330237A US 2130574 A US2130574 A US 2130574A Authority US United States Prior art keywords flotation carbonaceous pulp presence lignin sulphonate Prior art date 1937-09-10 Legal status (The legal status is an assumption …