copper oxide recovery flotation

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COPPER Copper production

Flotation of non-sulfide 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 ....

Copper Recovery from Yulong Complex Copper Oxide Ore by ,

25-05-2017 0183 32 Another 1734 Cu was further recovered from the flotation tailing by magnetic separation at 08 T The cumulative recovery of copper reached 9142 The modifier LA played a positive role in facilitating the sulfidation of copper oxide with Na2S, and the combined collector COC was better than other collectors for the copper flotation...

Flotationof Copper Oxides

Copper Oxide Ore Flotation Flotation of a Copper Lead Sulfide Oxide Ore Using a Combined The properties of a Cu Pb oxide ore are investigated by XRD and SEM Results show that the ore is characterized by chalcocite galena azurite and cerusite an investigation of copper recovery from a sulphide oxide ore...

Improving copper recovery from oxide sources in flotation ,

04-05-2021 0183 32 Effect of ZnO SDS nanoparticle concentration on oxide ore flotation recovery The effect of modified ZnO SDS nanoparticle concentration on the recovery of copper ore flotation was investigated For this purpose, experiments were performed with different volumes of SDS modified ZnO nanoparticles 225, 45, and 7 5 ml...

RECOVERY OF COPPER FROM OXIDE COPPER ORE BY FLOTATION ,

The aim of this study was the recovery of copper from the oxide copper ore by froth flotation and agitating sulphuric acid H 2 SO 4 leaching The ore with 421 copper grade used in this study was obtained from Çorum-Dangaz region of Turkey Native copper, cuprite Cu 2 O , tenorite CuO , and malachite Cu 2 OH 2 /CO 3...

Recovery of copper from copper oxide minerals

The recovery of chrysocolla and iron oxide minerals from their ores by flotation utilizing hydroxamic acids and salts such as potassium octylhydroxamate as chelating agents for the copper is described in US Pat No 3,488,494...

Studies of contact angles on oxidized copper minerals

In the concentration of copper ores by flotation, the major loss of unrecovered mineral in the tailings is caused by the ineffective floata 173 bility and recovery of the oxide copper minerals That the industry would benefit greatly, ifmore of the oxide minerals were recovered, is evident when the large tonnages treated are considered...

Study of Flotation Parameters for Copper Recovery from ,

flotation, obtaining conditional copper and zinc concentrat Despite several of studies that have been done related to this issue, effective selective flotation of tennantite ores is still the subject to investigation 42 Effect of particle size distribution on copper recovery Chalcopyrite and tennantite ore samples were received from...

Flotation of mixed copper oxide and sulphide minerals with ,

Flotation of mixed copper oxide and sulphide minerals with xanthate and hydroxamate collectors K Leea, D Archibaldb, J McLeanc, MA Reuterc, a Ausmelt Limited, AMML, Unit 3/8 Yandina Road ....

A New Technique for Recovering Copper from Complex Copper ,

About the author Qicheng Feng is a lecturer at Kunming University of Science and Technology, China He received his PhD from Kunming University of Science and Technology in 2016 and conducts research on the sulfidization flotation of copper, lead and zinc oxide minerals, and mineral interface evolution of unavoidable components in pulp solutions...

Copper Recovery from Yulong Complex Copper Oxide Ore by ,

25-05-2017 0183 32 the most common approach commercially is to sulfidize the surface of oxide minerals with a sulfidizing agent, such as na 2 s, nahs and nh 4 2 s, and then recover copper by conventional flotation 14, 15 the main drawback of this method is that the optimum dose of the sulfidizing agent is highly dependent on the time of conditioning, procedures ,...

A successful operational initiative in copper oxide ,

In general, the conventional flotation methods of copper sulfide ores do not apply to oxide or Flotation with fatty acids or surface sulphidisation of copper oxide minerals and their subsequent flotation using sulfhydryl collectors are two main methods ,...

Clariant reviews phosacid esters for copper oxide recovery ,

17-11-2017 0183 32 Phosphoric acid esters are used in iron, titanium, and tin oxide flotation The specialised collectors are also effective in selectively floating carbonates in the reverse flotation of phosphates, and since malachite is a carbonate mineral, in theory, these collectors will effectively recover copper oxid...

A study of the flotation characteristics of a complex ,

chalcopyrite and therefore LQ ore required alternative flotation methods for the recovery of the oxide minerals Comparison of slug sulphidisation and controlled potential sulphidisation CPS of LQ ore have shown that CPS performs better than slug sulphidisation only when the correct potential range and SIBX dosage after sulphdisation are used...

Review, Evolution and Optimization of the Kansanshi Mixed ,

These iron oxides and hydroxides are particularly prejudicial for flotation if they precipitate on the surface of the copper minerals because they are not collectable with xanthates Woods, 2003 Table I Copper minerals present at the Kansanshi Mine...

Recovery Cu from a Copper Oxide Ore by Flotation and ,

The copper oxide ore is high oxidation ratio and the high combination ratio with a low grade of Cu 071 Copper concentrate of Cu 1502 with a recovery of 3855 was obtained by flotation The optimum acid leaching conditions were investigated Effects of lixiviant concentration, solid-to-liquid ratio, leaching time were investigated The acid leaching ,...

A New Collector for Effectively Increasing Recovery in ,

A new method, staged flotation for effectively increasing the recovery of ultra-fine copper oxide ore with a new type of collector ZH-1, C3-5 carbon chain xanthate is proposed for the first time The flotation process and mechanism were examined by flotation tests, entrainment rate analysis, laser particle size experiments and microscopic imagery as well as economic ,...

EFFECT OF GRINDING CHEMISTRY ON THE ,

The recovery of copper by sulphidisation and flotation from a mixed ore has been studied in detail in this thesis Particular focus was given to the effect of pulp chemistry on the sulphidisation mechanism and subsequent flotation response of oxidised sulphide minerals, both of which are not prevalent in the literature...

Techniques of copper recovery from Mexican copper oxide ,

01-01-2009 0183 32 Mexico copper oxide ore However, the harmful gas H2S was released during the process 2 Copper ore containing 1901 copper, at a recovery of 3502 , was obtained by using sodium sulfide and butyl xanthate flotation 3 The leaching of copper oxide from the ore tailings is over 8333 under suitable conditions such as 1 h stirring at 25 , a ....

Copper Oxide Flotation

25-07-2013 0183 32 Oxide copper in the ore is perhaps not recoverable by flotation Insufficient efforts have been made to demonstrate the efficacy and cost benefits of using alkyl hydroxamates in ,...

flotation of sulphides and oxides of copper

Copper sulphide ores Flotation collectors From previous flotation investigations of mixed copper oxide and sulphide minerals using xanthate and Mineral processing hydroxamate collectors it was hard to distinguish the impact of the alkyl hydroxamate collector on sul- Alkyl hydroxamates phide recovery as the sulphide and oxide minerals occurred...

Flotation of oxide copper ore with sodium oleate from the ,

constituents Oxide copper ore flotation with 800 g/ton sodium oleate at pH 9 yielded 144 Cu with 833 recovery in a rougher circuit To enhance the flotation performance, in terms of Cu, optimum dosages of sodium silicate, quebracho, and pine oil were examined At the optimum dosages, the grade increased to 201 Cu with 764 recovery...

Study of the flotation of argillaceous copper oxide ore ,

08-12-2021 0183 32 Sulfide flotation is still the mainstream flotation process of copper oxide ore oxidized copper ore generally has the characteristics of low grade, high oxidation rate, high binding rate, and easy slimingBecause the slime has prominent problems such as polluting the surface of minerals, reducing the minerals floatability, unnecessary consumption of reagents ,...

The recovery of oxide copper minerals from a complex ,

01-03-2017 0183 32 The preferred method for the flotation of oxide and mixed copper ores is sulphidisation The reagents are typically sodium sulphide Na ,...

GOLD RECOVERY FLOTATION

the recovery of gold from gold-containing copper ores, base metal ores, copper nickelores,platinum group ores and many other ores where other pro-cesses are not applicable Flotation is also used for the removal of interfering impurities before hydro-metallurgical treatment ie carbon preSoat , for upgrading of low sulRde and refractory ores for...

PDF Copper Recovery from Yulong Complex Copper Oxide Ore ,

The results indicate that an ore containing 1901 copper could be obtained at a recovery ratio of 3502 by using sodium sulfide and butyl xanthate flotation Over 8333 of ,...