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Mineralogical Prediction on the Flotation Behavior of

The copper ore in Chilean copper porphyry deposits is often associated with molybdenum minerals. This copper–molybdenum (Cu–Mo) sulfide ore is generally mined from various locations in the mining site; thus, the mineral composition, oxidation degree, mineral particle size, and grade vary. Therefore, in the mining operation, it is common to blend the ores mined from various spots and then ...

Combined Effect of Operating Parameters on Separation

Sep 24, 2018 For this purpose, flotation tests were conducted with different conditions of pulp density, collector and frother dosages, and preparation and froth collection time. This study was carried out on a Sungun porphyry copper sulfide ore which was obtained from East Azerbaijan Province in …

Crustal magmatic controls on the formation of porphyry

roughly divide the barren, porphyry Cu-only and porphyry Au-Cu (and Cu-Au) systems. The light grey band represents the range of Pd/Pt r atios for primitive arc magmas 96 , 97 , 186 , 187 .

Model Discrimination in the Flotation of a Porphyry Copper

Numerous flotation models have been proposed in the literature. Thirteen of these have been applied to batch flotation data and evaluated with respect to one another using statistical techniques.Flotation tests were carried out on samples of a US porphyry copper ore (Pinto Valley, AZ). The ore was tested using various collector and frother systems to produce different time-recovery profiles.

Escalones World Copper Ltd.

Copper sulphide flotation was also successful and rougher-cleaner flotation testing of the porphyry material achieved 25-34% copper concentrate grades at …

Multi Scale Exploration of Giant Qulong Porphyry Deposit

The recent discovery of large porphyry copper deposits (PCDs) associated with Miocene (22–12 Ma) granitoid magmas in the eastern section of the Paleocene-Eocene Gangdese magmatic arc in the ...

US5902977A Flotation cell and method Google Patents

The present invention provides a process that employs both non-selective flotation and oxidative leaching of the resulting concentrates to recover an increased amount of copper from porphyry copper ores. The non-selective flotation step uses collectors and conditions, such as pH, that are conducive to the strong flotation of sulfide minerals generally.

Copper Flotation Mineral Processing amp Metallurgy

May 16, 2016 Porphyry copper ores, usually medium to medium hard, require grinding to about 65-mesh to economically liberate the copper minerals from the gangue. Although a clean rougher tailing can often be achieved at 65-mesh the copper mineral is not liberated sufficiently to make a high grade copper concentrate, thus some form of regrinding is necessary on the rougher flotation copper …

Copper Sulfide Flotation Mineral Processing amp Metallurgy

Apr 13, 2016 One of the major sources of Copper is the so-called porphyry ores such as the large deposits in the west and southwestern United States, Mexico, South America and Europe. Porphyry ores, with copper occurring in the form of Chalcocite and Chalcopyrite are normally low in grade and the copper minerals must be concentrated before smelting. In this flowsheet using “Sub-A” Cells the …

Flotation behaviour of gold during processing of porphyry

Sep 01, 1997 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 subsequent smelting, roasting or hydrometallurgical treatment. Lakefield Research has had the opportunity to study ores from many large deposits, both new discoveries and existing operations.

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