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flotation oxidised copper ore

flotation oxidised copper ore

This paper reviews uses of sodium sulfide in the flotation of oxide minerals of copper, lead, and zinc. The activation and depression effects of sodium sulfide are of particular importance because of their applications with oxidized lead and copper ores. In spite of its industrial importance, the nature of the heterogeneous reactions between sulfide ions in solution and the surface of oxidized ...

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  • Evaluating the sulphidisation and flotation of oxidised

    Evaluating the sulphidisation and flotation of oxidised

    Apr 01, 2021 Due to its potential to improve flotation of the low quality oxide ores, it has been applied to flotation of oxidised copper sulphide ores as well over the years. Specific cases include John et al. (1991) on oxidised chalcopyrite at the Nchanga mine, Orwe et al. (1998) ...

  • A New Application For Flotation Of Oxidized Copper Ore

    A New Application For Flotation Of Oxidized Copper Ore

    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. An effective processing method has not been found to recover copper and cobalt from this ore, which has been stockpiled for 40-45 years in the idled plant. It was established that recovery of copper and cobalt ...

  • How to Beneficiate Oxidized Copper Ores  JXSC Machine

    How to Beneficiate Oxidized Copper Ores JXSC Machine

    Sep 08, 2021 Separation flotation method can also achieve good results for refractory oxidized copper ore. It is to crush the mineral to a certain particle size, mix 0.1% ~ 1.0% salt and 0.5% ~ 2.0% pulverized coal, and heat it to about 900 ℃ in oxygen isolation. The copper in the ore will precipitate on the carbon particle surface in metal state.

  • Flotation of mixed oxide sulphide copper cobalt minerals

    Flotation of mixed oxide sulphide copper cobalt minerals

    Jul 01, 2019 Bulk flotation experiments with Zambian copper-cobalt sulphide ore showed superior flotation performance, with improved kinetics, when using Sodium Ethyl Xanthate (SEX) as a collector instead of a blend of alkyl dithiophosphate and thionocarbamate collectors, with copper sulphides floating more rapidly than cobalt sulphides (Mainza et al., 1999).

  • Copper ores  Danafloat

    Copper ores Danafloat

    Effective flotation collector reagent selection is dependent on the sulphide minerals present, their mineral associations in the ore, and circuit characteristics. Because an ore typically has more than one copper sulphide mineral type, often a combination of sulphide flotation collectors is used to maximize metallurgical performance.

  • Copper Mining and Extraction Oxide Ores

    Copper Mining and Extraction Oxide Ores

    The process used to treat sulfide copper ores begins at the mine site, where the copper-bearing minerals are physically separated from the rest of the rock. The flow diagram below shows how the percentage of copper increases as the ore is refined, first physically by froth flotation, then chemically by smelting and finally electrolytic refining.

  • Effect of Rinkalore Mixture on the Flotation of Mupine

    Effect of Rinkalore Mixture on the Flotation of Mupine

    In this study, flotation of oxidised ores rich in copper and cobalt from Mupine deposit in the Democratic Republic of Congo had been investigated. This ore contains 4.85% copper, 0.16% cobalt. The recovery of copper and cobalt was performed using flotation to increase the concentration of copper and cobalt.

  • sodium amyl xanthate copper flotation cells

    sodium amyl xanthate copper flotation cells

    May 21, 2021 Flotation of mixed copper oxide and sulphide minerals with . At a blend of 70% sulphide ore and 30% oxide ore, the rougher scavenger copper recovery was as high as 95.5%. The copper recovery from the blended ore using a mixture of collectors was shown to be superior to the recovery obtained using only xanthate after . Online Service

  • PDF Flotation of an Oxidized Copper Sulfide Ore

    PDF Flotation of an Oxidized Copper Sulfide Ore

    sodium sulfide as a sulfidizing agent for flotation of oxidized copper ores (Cao et al., 2016, Qu et al., 2012; Chekushin et al., 2015). Copper mineralization occurrences in Sudan were recorded in...

  • Flotation of Copper oxide ore  Fodamon Machinery

    Flotation of Copper oxide ore Fodamon Machinery

    Flotation of Copper oxide ore. The floatability of copper oxide ores is generally worse than that of copper sulfide ores, and is greatly influenced by the existing form of copper in minerals and gangue composition. For example, when copper is in the form of carbonate (malachite, blue copper ore), the flotability is relatively good, while the flotability of silicate (silica malachite) is poor, free copper oxide is easy to float, and copper oxide can not be recovered by a single flotation …

  • CN103894294A  Copper oxide ore flotation agent  Google

    CN103894294A Copper oxide ore flotation agent Google

    The copper oxide ore flotation agent is good in flotation effect, easy to prepare and low in cost; it is only required that the materials are poured into a stirring pot to be evenly stirred, and...

  • Flotation of oxidized copper ores  Inspiration

    Flotation of oxidized copper ores Inspiration

    The method of recovering copper by froth flotation from an aqueous pulp of an ore containing both sulfide and oxidized minerals of copper which comprises subjecting an aqueous pulp of the ore to a first froth flotation operation in the presence of a collector for sulfide copper minerals, thereby producing a concentrate containing a large proportion of the sulfide copper minerals, then subjecting the residual ore …

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