differential flotation of copper cobalt ores

(PDF) Improving the efficiency of oxide copper–cobalt ores ...

Sulphidising flotation of oxide copper–cobalt ores with sodium hydrosulphide used as sulphidising agent is common practice in Katanga, Democratic Republic of Congo.From laboratory investigations ...

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Cobalt Ore - an overview ScienceDirect Topics

Srdjan M. Bulatovic, in Handbook of Flotation Reagents: Chemistry, Theory and Practice, 2010 Publisher Summary. The process of flotation of oxide copper and copper cobalt ores involves two basic flotation methods: fatty acid flotation of oxide copper minerals from siliceous ore and sulphidization of oxide copper minerals followed by flotation using sulfhydryl collectors, such as xanthate from ...

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IN NICKEL Metallurgists Perth Perth Strategic Metallurgy

selective flotation of copper and nickel sulfides Strategic Metallurgy have demonstrated differential flotation techniques for Western Australian copper and nickel sulfide ores in saline water. Historically, selective flotation of copper from nickel sulfides has been achieved through pH modification; however, this method is rarely efficient ...

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Biological treatment of clarified wastewater from the ...

2021-3-31  It is interested in the biological treatment of clarified wastewater from the flotation of copper (Cu) and cobalt (Co) oxidized ores conducted in the region of Katanga (Bwapwa 2019; Shengo and Mutiti 2016 ). It specifically focuses on the design of a treatment scheme and on evaluating its effectiveness in removing inorganic and organic chemical ...

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COBALT PROCESSING DEVELOPMENTS K G Fisher

2011-7-5  The copper flotation step is inherently inefficient for cobalt, with recoveries typically from 40% for oxides up to 80% for sulphides, so there is a substantial amount of cobalt contained in tailings dams that could be recovered – e.g. the Kolwezi Tailings Project.

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Differential flotation of lead-zinc ores - AMERICAN ...

A method for, the differential flotation of copper, lead and zinc sulfide ores which comprises treating the ore with a dichromate to depress the lead, floating the ore with an amount of reagent insufficient to float the zinc but sufficient to float the copper to form a copper concentrate, activating the zinc in the pulp with copper sulfate ...

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Differential flotation of chalcopyrite, pentlandite and ...

1996-10-1  Flotation selectivity in the separation of pentlandite from pyrrhotite using sulphur dioxide and diethylenetriamine (pH -9.2, 25 g/tonne Dowfroth 250). S. KELEBEK ef al.: DIFFERENTIAL FLOTATION IN Ni-Cu SULPHIDE ORES titular case, the dosages of sodium isobutyl xanthate and fro- ther were 40 and 15 g/tonne, respectively.

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paper TITLE CHAPTER PDF 925 931 929 - IMPC

2015-2-17  Flotation of selected copper sulfide minerals in saline waters 03. Flotation Chemistry 322 313 PM40N as a precious metals promoter for Silver recovery from Lead ore in South Asia 03. Flotation Chemistry 323 318 New dialkyldithiophosphates for the flotation of copper, gold and silver containing ores 03. Flotation Chemistry 324 328

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Process Development - Alaska

2006-9-27  Most nonconventional hydrometallurgical methods of the processing of complex sulfide ores are based on metals extraction from bulk flotation concentrates (2.1 1-2,111. The recovery of zinc, lead and copper by froth flotation, even as a relatively rich concentrate, presents today

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Froth Flotation Process - Mineral Processing Metallurgy

2021-1-20  “The single most important method used for the recovery and upgrading of sulfide ores”, that’s how G. J. Jameson described the froth flotation process in 1992. And it’s true: this process, used in several processing industries, is able to selectively

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The Sidelight of Chinese Technology on Mineral

2017-4-12  2.2 Ingenious applications of sodium sulphide for flotation of sulphide ores〔5〕 For a Cu-pyrite ore, collectorless differential of copper sulphide could be achieved experimentally without Na 2 S, and collectorless bulk flotation of copper and pyrite could be 2 S.

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NICKEL Metallurgists Perth Perth Strategic Metallurgy

APPLICATION. Strategic Metallurgy have demonstrated differential flotation techniques for Western Australian copper and nickel sulfide ores in saline water. Historically, selective flotation of copper from nickel sulfides has been achieved through pH modification; however, this method is rarely efficient. .

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Differential flotation of lead-zinc ores - AMERICAN ...

A method for, the differential flotation of copper, lead and zinc sulfide ores which comprises treating the ore with a dichromate to depress the lead, floating the ore with an amount of reagent insufficient to float the zinc but sufficient to float the copper to form a copper concentrate, activating the zinc in the pulp with copper sulfate ...

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Continuous Flotation Testing To Recover Cobalt From ...

CONTINUOUS FLOTATION TESTING TO RECOVER COBALT FROM MISSOURI lEAD ORES By W. L. Cornell,1 A. M. Wethington,2 D. C. Holtgrefe,3 and F. H. Sharp1 ABSTRACT The Missouri lead ores are the only domestic sources of cobalt presently being mined and processed for other materials. They represent the best short-term solution for

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12.3 Primary Copper Smelting

2015-9-10  Pine oils, cresylic acid, and long-chain alcohols are used for the flotation of copper ores. The flotation concentrates are then dewatered by clarification and filtration, resulting in 10 to 15 percent water, 25 percent sulfur, 25 percent iron, and varying quantities of arsenic, antimony, bismuth, cadmium,

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FROTH FLOTATION : RECENT TRENDS Flotation of

2011-12-1  History of Sulphide ore flotation dates back to beginning of 20th century. Sulphide ores are major sources of base metals like Copper, Lead, Zinc, Nickel, Cobalt etc. Beneficiation of these base metal sulphide minerals is predominating through froth flotation technique. This technology has acclaimed importance as a versatile process for

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COBALT PROCESSING DEVELOPMENTS K G Fisher

2011-7-5  The copper flotation step is inherently inefficient for cobalt, with recoveries typically from 40% for oxides up to 80% for sulphides, so there is a substantial amount of cobalt contained in tailings dams that could be recovered – e.g. the Kolwezi Tailings Project.

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Copper-Nickel ores - Danafloat

Copper-Nickel ores Pentlandite ((Ni,Fe)S) is the most important nickel sulphide mineral and is often associated with nickel-containing pyrrhotite and chalcopyrite. Gangue minerals can include talc and other troublesome silicates which must be dispersed and/or depressed.

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Process Development - Alaska

2006-9-27  Most nonconventional hydrometallurgical methods of the processing of complex sulfide ores are based on metals extraction from bulk flotation concentrates (2.1 1-2,111. The recovery of zinc, lead and copper by froth flotation, even as a relatively rich concentrate, presents today

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A New Process for Cobalt Nickel Separation

2015-11-20  excellent cobalt-nickel separation primary leach liquor by Cyanex 272. However, manganese extraction from the leach liquor along with cobalt could not be avoided, thus increasing the cost of the process. For sulphide ores, there is another alternative; if the ore can be concentrated by flotation, matte smelting is used instead of leaching.

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paper TITLE CHAPTER PDF 925 931 929 - IMPC

2015-2-17  Flotation of selected copper sulfide minerals in saline waters 03. Flotation Chemistry 322 313 PM40N as a precious metals promoter for Silver recovery from Lead ore in South Asia 03. Flotation Chemistry 323 318 New dialkyldithiophosphates for the flotation of copper, gold and silver containing ores 03. Flotation Chemistry 324 328

More

Froth Flotation Process - Mineral Processing Metallurgy

2021-1-20  “The single most important method used for the recovery and upgrading of sulfide ores”, that’s how G. J. Jameson described the froth flotation process in 1992. And it’s true: this process, used in several processing industries, is able to selectively

More

Copper Processing Equipment, Process Flow, Cases - JXSC ...

2019-8-23  (6) Copper-cobalt ore. valuable components are copper, cobalt-containing pyrite. Flotation law of copper sulfide minerals (1) All iron-free copper minerals, such as chalcocite and covellite, are similar in floatability, and cyanide and lime have weaker

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A Flotation Technique for a Sulfide-Oxidized Cu-Co Mixed ...

Conventional floatation treatment has poor effects on recovering Cu-Co sulfide-oxidized mixed ores due to the high oxidation rate and large amount of carbonaceous mud of the ores. The re showed that the pre-removal of carbonaceous mud - asynchronous flotation process got a better flotation results than the conventional process.

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Continuous Flotation Testing To Recover Cobalt From ...

CONTINUOUS FLOTATION TESTING TO RECOVER COBALT FROM MISSOURI lEAD ORES By W. L. Cornell,1 A. M. Wethington,2 D. C. Holtgrefe,3 and F. H. Sharp1 ABSTRACT The Missouri lead ores are the only domestic sources of cobalt presently being mined and processed for other materials. They represent the best short-term solution for

More

12.3 Primary Copper Smelting

2015-9-10  Pine oils, cresylic acid, and long-chain alcohols are used for the flotation of copper ores. The flotation concentrates are then dewatered by clarification and filtration, resulting in 10 to 15 percent water, 25 percent sulfur, 25 percent iron, and varying quantities of arsenic, antimony, bismuth, cadmium,

More

Flotation of Nickel-Copper Sulphide Ore: Optimisation of ...

2020-1-8  significantly affected copper recovery whilst pH was found to also significantly affect cobalt recovery. Keywords: flotation, process optimization, Taguchi orthogonal array, ANOVA. 1. Introduction Froth flotation is widely used for separating base metal sulphide minerals in complex ores. One of

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US5925862A - Process for the recovery of cobalt from ores ...

A process for the production of cobalt concentrate from an ore containing metal sulfides including sulfides of lead, zinc, and cobalt. The ore is crushed and subjected to a lead and cobalt flotation to separate the lead and cobalt from the zinc and produce a bulk lead cobalt concentrate. The lead cobalt concentrate is then subjected to a cobalt flotation to separate the cobalt from the lead ...

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Copper Processing Equipment, Process Flow, Cases - JXSC ...

2019-8-23  (6) Copper-cobalt ore. valuable components are copper, cobalt-containing pyrite. Flotation law of copper sulfide minerals (1) All iron-free copper minerals, such as chalcocite and covellite, are similar in floatability, and cyanide and lime have weaker

More

FROTH FLOTATION : RECENT TRENDS Flotation of

2011-12-1  History of Sulphide ore flotation dates back to beginning of 20th century. Sulphide ores are major sources of base metals like Copper, Lead, Zinc, Nickel, Cobalt etc. Beneficiation of these base metal sulphide minerals is predominating through froth flotation technique. This technology has acclaimed importance as a versatile process for

More

Process Development - Alaska

2006-9-27  Most nonconventional hydrometallurgical methods of the processing of complex sulfide ores are based on metals extraction from bulk flotation concentrates (2.1 1-2,111. The recovery of zinc, lead and copper by froth flotation, even as a relatively rich concentrate, presents today

More

Axis House Reagent Experts

2021-8-16  A liquid collector designed for the differential flotation of Cu/Pb/Zn circuits. DLQ5 collects copper and lead whilst allowing for effective rejection of zinc. The rejection can be further enhanced with the use of a depressant. MLQ1. A water-soluble collector used

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Projects — Missouri Cobalt

Froth flotation is particularly effective in recovering cobalt, nickel and copper minerals from above ground ore stocks and underground ores. The MMPP is designed to handle 300-360 tons per day of feed and can produce 1000-1500 tons per month of feedstock for the Hydrometallurgy Refining Process.

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paper TITLE CHAPTER PDF 925 931 929 - IMPC

2015-2-17  Flotation of selected copper sulfide minerals in saline waters 03. Flotation Chemistry 322 313 PM40N as a precious metals promoter for Silver recovery from Lead ore in South Asia 03. Flotation Chemistry 323 318 New dialkyldithiophosphates for the flotation of copper, gold and silver containing ores 03. Flotation Chemistry 324 328

More

Copper Flotation, Extraction of Copper, Copper Processing ...

Shandong 500t/d Copper Lead and Zinc Ore Bulk Flotation Project. Ore Property: Shandong client commissioned Xinhai Mine Research Institute to conduct ore dressing experiment after collected 50kg samples on the scene. After tested the ore properties of sample ore, Xinhai lab concluded that the main metal minerals of the project were copper, lead, zinc, and a certain amount of magnetite.

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Flotation Of Cobalt Copper Silver Minerals

copper cobalt flotation ... 4 Apr 2012 A process flowsheet for the treatment of tailings have cobalt and copper minerals ... copper, nickel, cobalt, and silver, ... Copper-Nickel ores; Copper-Cobalt ... is the most important nickel sulphide mineral and is often ... accomplished by

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