Mixed copper sulfide and oxide (3 replies) A. Gaco. 8 years ago. ... In a traditional way, sulphide and oxide copper minerals do not recover at the same rate. You typically handle their flotation in a sequential manner: sulphide species #1 followed by oxide minerals. ... Fuloshixwa started Mineral Processing Excel Icons. S.
DetailsMechanochemical sulfidization of a mixed sulfide/oxide copper ore by co-grinding with sulfur and additives including Mg(NO 3) 2 and Fe(NO 3) 3 salts and iron, aluminum and magnesium powders was investigated for the first time. Also, the influence of sulfidization during the wet-milling process was examined on the separation efficiency …
DetailsFlotation of mixed oxide sulphide copper-cobalt minerals using xanthate, dithiophosphate, thiocarbamate and blended collectors May 2019 Minerals Engineering 138(July 2019):246-256
DetailsT he copper mining industry is reaching a turning point. Surface oxide deposits are depleting and copper miners are turning their attention to untapped sulfide ores found deeper underground. However, sulfides require more expensive processing techniques since they are not responsive to standard technologies that are used in …
DetailsThe Kansanshi Mine (First Quantum Minerals Ltd) treats a mixed sulphide/oxide copper-gold vein deposit. Until June 2009, the sulphide and oxide minerals were respectively recovered by the well ...
Detailssupergene enrichment. Sulphide, Oxide and Mixed ore are fed to separate minerals processing circuits tailored for recovery of the dominant copper minerals in each. After comminution to a target grind size of 80% passing 150 µm, each ore type is subjected to flotation to recover the copper sulphide minerals
DetailsThe traditional method applied for the flotation of copper oxide or mixed ores is sulphidisation, which ... These ions react with the copper oxide minerals to form a sulphide layer on the surface of the oxide minerals (Zhou & Chander, 1992).The sulphidiser concentration can be controlled by ... flotation process (Castro et al., 1974; …
DetailsDOI: 10.1016/J.MINENG.2008.11.005 Corpus ID: 94500853; Flotation of mixed copper oxide and sulphide minerals with xanthate and hydroxamate collectors @article{Lee2009FlotationOM, title={Flotation of mixed copper oxide and sulphide minerals with xanthate and hydroxamate collectors}, author={K. A. Lee and Dan …
DetailsAll copper sulfides require the presence of Fe 3+ and O 2 as oxidizing agents for leaching to occur. The copper sulfide is oxidized by Fe 3+.The resulting Fe 2+ is reoxidized to Fe 3+ by O 2.The Fe(II)/Fe(III) redox couple acts in a catalytic manner in these reactions (shown for elevated-temperature reaction conditions where the sulfur-containing product …
DetailsThe dominant challenge of current copper beneficiation plants is the low recoverability of oxide copper-bearing minerals associated with sulfide type ones. Furthermore, applying commonly used conventional methodologies does not allow the interactional effects of critical parameters in the flotation processes to be investigated, …
Detailsmainly focus on either the sulphide ore or the oxide ore for which ef-fective metallurgical processes are well-established. However, less is known about processes for copper and cobalt extraction from mixed oxide-sulphide ore (Crundwell et al., 2011). From the perspective of beneficiation, mixed oxide-sulphide ores present a challenge, not least
DetailsChemical Analysis of Oxide and Sulfide Copper Minerals. ... This last restriction results in the calculated copper production being higher by the actual amount of other cations solubilized and the calculated reagent consumption being lower than the actual consumption for the same reason – the calculated results are therefore, a …
DetailsSherwood Copper's Minto Mine processes a high grade copper-gold deposit in Yukon, Canada. The ore mined is from a primary copper sulphide deposit with separate additional deposits of copper oxides. In conjunction with Ausmelt Chemicals, Minto is currently investigating options to recover copper oxide and sulphide minerals using flotation by …
Detailsthe processing of copper sulfide and oxide ores and their costs are presented. The combined circuit of flota-tion-hydrometallurgical processing of mixed copper ore at the Udokan deposit is considered. The conclu-sions reveal the current trends in the processing of copper ores, including the choice of equipment.
Detailsthe sulphidization of copper oxide. Int J Miner Process. 1(2):141–149. 24. ... mixed copper oxide and sulphide minerals with xanthate and. hydroxamate collectors. Miner Eng 22(4):395–401 ...
DetailsThe traditional method applied for the flotation of copper oxide or mixed ores is sulphidisation, which was first developed with industrial success on Pb–Zn oxide ores …
DetailsIn conjunction with Ausmelt Chemicals, Minto is currently investigating options to recover copper oxide and sulphide minerals using flotation by blending their primary sulphide …
DetailsCopper processing is a complicated process that begins with mining of the ore (less than 1% copper) and ends with sheets of 99.99% pure copper called cathodes, which will ultimately be made into products for everyday use.The most common types of ore, copper oxide and copper sulfide, undergo two different processes, hydrometallurgy and ...
DetailsFor oxide copper ore and some sulfide ores, a combined flotation–hydrometallurgy technology is applied to produce copper concentrate and copper cathodes. The …
DetailsLime (calcium oxide or calcium hydroxide) is arguably the most common reagent used in the extractive minerals processing industry. ... Of total world copper-mine production, almost 80% originates from flotation of the copper (Cu) ... The mechanisms for collector adsorption in mixed sulphide mineral systems are also influenced by …
DetailsAbstract Facing the situation of nickel resource shortage and increasing nickel demand, it is an important task for the development of nickel industry to realize efficient utilization of low-grade nickel sulfide ore. In this work, the process of NaCl roasting-water leaching was proposed to simultaneously extract valuable metals from …
DetailsSince the beginning of the operations in 2004, millions of tons of mixed oxide/sulphide copper-gold ores with a high gangue acid consumption (GAC) were disposed on stockpiles, as they were uneconomic to treat through the old circuit configuration. ... International Journal of Mineral Processing, vol. 84. pp. 108-107. Links ] ...
DetailsTherefore, this study was aimed to utilize the mechanochemical sulfidization as a novel process to sulphidize the oxide minerals of a mixed sulphide-oxide copper ore by co …
DetailsKeywords: Oxide and sulphide copper ore, processing, mixtures. 1 Introduction. This . The leaching of a copper oxide and sulphide cop. per ores have been largely reported. Many investigations on the leachability on different copper sulphide ores from different countries have been conducted and optima working conditions recommended.
Detailsto traditional sulphide collectors, flotation plants can now process blends of sulphide and oxide minerals to produce saleable concentrates. Generally copper oxide minerals do not respond well to ...
DetailsThe influence of secondary copper sulfide minerals. When the secondary copper sulfide mineral content is high, the copper ions in the slurry will increase, which will activate the pyrite and increase the difficulty of Cu-S separation. The influence of pyrrhotite. The high content of pyrrhotite will affect the flotation of copper sulfide.
DetailsThis type of ore is of low grade and often coexists with other minerals, making it difficult to process. 3. Mixed copper ore: Mixed copper ore contains both copper sulfide and copper oxide, and ...
DetailsThe copper ore can be divided into oxide ore, sulfide ore, and mixed ore. The main beneficiation process of copper is the flotation ... Copper ore is generally an aggregate composed of copper sulfide or oxide and other minerals, which react with sulfuric acid to produce blue-green copper sulfate. ... (more than 30% copper oxide) and mixing ore ...
DetailsThese mixed ores are complex to process by flotation alone because carbonate minerals, such as dolomite and magnesite, may represent a significant proportion of the gangue. ... Flotation of mixed copper oxide and sulphide minerals with xanthate and hydroxamate collectors. Minerals Engineering, 22 (2009), pp. 395-401, …
DetailsThe mixed (transitional) sulphide/oxide ores were stockpiled in the absence of an economic processing route due to their poor flotation response and high gangue acid …
DetailsSulphide, oxide, and mixed ore are fed to separate mineral processing circuits tailored for recovery of the dominant copper minerals in each. After comminution to a target grind size of 80% passing 150 μm, each ore type is subjected to flotation to recover the copper sulphide minerals (chalcopyrite, bornite, chalcocite, covellite).
DetailsThe present investigation is a preliminary work on a possible leaching of a mixed sulphide- oxide copper ores from Kamoto in the Democratic Republic of Congo using hydrogen …
DetailsThe treatment of copper sulfide minerals containing a high percentage of oxide copper causes problems in the concentration process, decreasing the copper content. In order to increase the efficiency of the concentration process, it is necessary to treat the copper oxide component by leaching the grinded ore prior to the flotation, or by ...
DetailsPE series jaw crusher is usually used as primary crusher in quarry production lines, mineral ore crushing plants and powder making plants.
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