In this paper, the flotation behaviour of nickel-copper ores processed in the Sudbury area is discusse~ with emphasis on the effect of oxidation on individual minerals, pnmarily pyrrhOlite. …

These minerals are relatively complex, so the flotation of oxidized copper ore is more difficult than that of sulfide copper ore. The flotation of oxidized copper ores requires …

Mechanochemical sulfidization of a mixed sulfide/oxide copper ore by co-grinding with sulfur and additives including Mg(NO3)2 and Fe(NO3)3 salts and iron, aluminum and …

The crushed ore undergoes concentration through froth flotation, where copper minerals are separated and collected. For sulfide ores, the concentrated ore is roasted to …

A New Application For Flotation Of Oxidized Copper Ore Recep Ziyadanogullari, Firat Aydin* Dicle University, Faculty of Science and Art, Chemistry Department, 21280, Diyarbakır …

The flotation of oxide copper ore with sodium oleate was investigated to determine the optimum pH and dosages of chemical reagents. ... OPTIMIZATION OF FLOTATION OF THE QALEH …

Acid leaching of oxide-sulfide copper ore prior the flotation - A way for an increased metal recovery. January 2014; ... Oxidation of chalcopyrite in air (i.e. 0.2 atm of O2 equilibrated …

The flotation of gold-bearing ores is classified according to ore type (i.e., gold ore, gold copper ore, gold antimony ores, etc.), because the flotation methods used for the recovery …

Suppressors of gangue minerals are not usually used in flotation of copper disseminated ores. But if the pulp has an increased content of slimes, then liquid glass (up to 0.4 g/t) is added to the …

(CuO.SiO₂). These oxidised copper minerals are found in weathered regions of most copper sulphide ore bodies The overlaying oxidic ore is usually stockpiled after it is removed from the …

The continuous development of the global economy has resulted in a high demand for copper production and high copper consumption [1], [2], and exploitation and effective use …

To model the copper ore flotation process, an analysis was made on the factors that affect the results of the process. We choose the following seven factors as independent …

The surface of oxidized ore is highly hydrophilic and highly soluble, and the chemicals adsorbed on the mineral surface are easily desorbed with the dissolution of metal …

of minerals, association of gangue mineral slimes and the presence of oxidised copper minerals pose special problems in designing the flotation process and achieving the desired results [1 …

The copper grade of one copper oxide ore from Dongchuan, Yunnan province is 1.14%, and oxidation rate and binding rate of which reach up to 77.81% and 20.79% respectively.

GRINDING COPPER ORE. As it is shown in this study the ¾" or 1″ crushed ore is fed to a rod mill operating in open circuit and discharging a product approximately minus 14 …

The process has been traditionally applied to flotation of copper oxide-bearing ores to activate them for thiol collector flotation (Castro et al., 1974, Castro et al., 1976, Lee et al., …

In this study, the flotation of oxidized copper ore obtained from Ergani Copper Mining Company in Turkey was performed. This ore contains 2.03% copper, 0.15% cobalt and 3.73% sulfur.

This study is focused on the froth flotation reprocessing of a copper mineral from flotation tailings. The effects of flotation parameters including pulp density, collector dosage, frother dosage ...

Sulphidization is an aqueous process by which a non-sulphide mineral surface is converted to a sulphidelike surface and has been successfully used to improve the flotation recoveries of …

The processing of complex copper ores involves contemporary methodologies such as flotation, leaching, and hybrid approaches that integrate flotation with magnetic …

Successful flotation of oxidized copper ores with short-chain xanthates requires prior sulphidization of the copper mineral surfaces. Control of the amount of the sulphidizing agent, …

Minerals 2024, 14, 1105 5 of 23 3.1.1. Effect of Metal Ions on the Flotation of Copper Sulfide Ore +

The highest recovery was obtained when ammonium sulphate and sodium sulphide were in the same dosages. Wen and his colleagues[42] reported that there was an improvement in the …