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  • Copper Sulfide Flotation Mineral Processing & Metallurgy

    13/04/2016· Flowsheet for treatment of Copper Sulfide ores rich in minerals such as chalcopyrite with gold and silver as well as arsenopyrite The aboveFlotation of a copper sulphide ore from Okiep using thiol collectors and their mixtures The collectors sodium ethyl xanthate (C2X), sodium diethyl dithiophosphate (diC2DTP) and sodium diethyl dithiocarbamate (diC2DTC) were supplied by Senmin Mining Chemicals Each of their performances was assessed at collector dosages of 00348, 00695 and 0139 mol/ton oreFlotation of a copper sulphide ore from Okiep using thiol01/10/2019· Flotation: Froth flotation is a standard technique for concentrating copper sulphide minerals from ores The surfaces of the copper bearing minerals are made selectively hydrophobic with chemical action and collected in the froth, which is continually removed, from the flotation tanks The technique is economical and with careful choice of reagents can fulfil theComparison of single and mixed reagent systems for flotation of

  • 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 955% The copper recovery from the blended oreMixed oxide sulphide ore Flotation Copper Cobalt QEMSCAN ABSTRACT More than half of the global cobalt supply from primary sources is currently produced in the Democratic Republic of Congo (DRC) from ores containing coppercobalt oxides or coppercobalt sulphides Where oxide and sulphide cobaltbearing copper minerals occur together, efficient recovery of copper and cobalt is known to beFlotation of mixed oxide sulphide coppercobalt mineralsFlotation of a copper sulphide ore from Okiep using thiol collectors and their mixtures The collectors sodium ethyl xanthate (C2X), sodium diethyl dithiophosphate (diC2DTP) and sodium diethyl dithiocarbamate (diC2DTC) were supplied by Senmin Mining Chemicals Each of their performances was assessed at collector dosages of 00348, 00695 and 0139 mol/ton ore respectively (molarFlotation of a copper sulphide ore from Okiep using thiol

  • Mining Industry | Copper Sulfide Ore and Flotation Process

    09/07/2019· 1 Types of copper sulfide ore (1) Single copper mineral Its ore characteristic is relatively simple, and the only useful component that can be recycled is copper The gangue minerals are mainly quartz, carbonate and silicate (2) Coppersulfur ore Called copperbearing pyrite In addition to copper minerals, iron sulfide can be recovered, and the main mineral of sulfur is pyriteAt a blend of 70% sulphide ore and 30% oxide ore, the rougher scavenger copper recovery was as high as 955% The copper recovery from the blended ore using a mixture of collectors was shownFlotation of mixed copper oxide and sulphide minerals withsulphide ore the galena can be floated first at higher using cyanide to prevent sphalerite and pyrite from floating Then activation of sphalerite with copper sulphate and high pH to depress pyrite enables a sphalerite concentrate to be made Finally a lowering of pH can enable aCHAPTER 7 FLOTATION OF SULPHIDE MINERALS

  • Effect of alkalinity of a pulp on selective flotation of

    We study the effect of one of the main parameters of flotation oredressing, specifically, alkalinity of the pulp, on the selective flotation of sulfide and oxide minerals of copper from the Udokan deposition ores (Chita oblast) It is found that the optimum values are pH = 9 for sulfide minerals of copper and pH = 10 for the oxide ones A supply of lime at the stage of pounding and sodium453 Acid leaching of oxide–sulfide copper ore prior the flotation – A way for an increased metal recovery Miroslav D Sokić1, Vladan D Milošević1, Velizar D Stanković2, Vladislav LjMatković1, Branislav R Marković1 1Institute for Technology of Nuclear and Other Mineral Raw Materials, Belgrade, Serbia 2University of Belgrade, Technical Faculty, Bor, SerbiaAcid leaching of oxide–sulfide copper ore prior the18/04/2016· Problem with gold recovery from sulphide ore: Sulphides such as copper or zinc, etc, are present which can be recovered and sold at a profit for specific metal content by shipping direct to the smelter Removal of refractory material by flotation ahead of cyanide plant Each of the above gold process flowsheets lend themselves to variations Briefly, some of these are: The concentrateSulphide Gold Ore Treatment by Leaching and Flotation Process

  • Rational separation of complex copper–zinc concentrates of

    23/03/2017· Monomineral and compound fractions, ore material and concentrates are used to study the effect of basic processing factors on mineral separation The key criteria are determined to choose a method of selective extraction of minerals and their species in various cycles of a process flow chart Such key criteria include: degree of activating effect of copper minerals on other sulfidesLeaching of Copper Sulphides Marc Nicolle,1 Marko Lampi,2 Kari Valkama, 2 and Janne Karonen 1 Outotec (RSA) (Pty) Ltd, Johannesburg, South Africa 2 Outotec (Finland) Oy, Pori, Finland Corresponding author: [email protected] In the ten years from 2003 to 2013 global mine production of copper has increased by over 23% to meet demand while the weighted average headLeaching of Copper Sulphides SAIMMMixed oxide sulphide ore Flotation Copper Cobalt QEMSCAN ABSTRACT More than half of the global cobalt supply from primary sources is currently produced in the Democratic Republic of Congo (DRC) from ores containing coppercobalt oxides or coppercobalt sulphides Where oxide and sulphide cobaltbearing copper minerals occur together, efficient recovery of copper and cobalt is known to beFlotation of mixed oxide sulphide coppercobalt minerals

  • Flotation of mixed copper oxide and sulphide minerals with

    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 blending their primary sulphide ore with oxide ores The blend used in this laboratory scale investigation was 70% sulphide ore and 30% oxideThe mineral composition of copper–cobalt ores is more complex than that of copper sulfides, and it is also difficult to discard tailing efficiently in primary flotation for the finegrained disseminated of ore In this work, a mineral liberation analyzer (MLA) was employed to study the characteristics of minerals As a significant mineralogical characteristic, the liberation degree of usefulFlotation and Tailing Discarding of Copper Cobalt SulfideFlotation of copper sulfide ores Download PDF Info Publication number USA USA USA USDA USA US A US A US A US A US A US A US D A USD A US DA US A US A US A Authority US United States Prior art keywords flotation ore copperUSA Flotation of copper sulfide ores Google Patents

  • Influence of liberation of sulphide minerals on flotation

    Flotation in copper ore processing is being used for selection of sulfide copper minerals from gangue minerals, as well as from other sulfides that could have a negative impact on the quality ofThe ore is a sulfide copper ore containing heads of approximately: copper 045, iron 35, molybdenum 0006, and zinc 006 per ore sample Prior flotation of this ore has employed, in the flotation cell, the addition of pine oil as required to optimize froth, ordinarily resulting in a total pine oil concentration of about 024 lb/ton Collector mix was initially added in the amount of 001 lbFLOTATION OF COPPER SULFIDE ORES STEPHAN CHEM CO,USWe study the effect of one of the main parameters of flotation oredressing, specifically, alkalinity of the pulp, on the selective flotation of sulfide and oxide minerals of copper from the Udokan deposition ores (Chita oblast) It is found that the optimum values are pH = 9 for sulfide minerals of copper and pH = 10 for the oxide ones A supply of lime at the stage of pounding and sodiumEffect of alkalinity of a pulp on selective flotation of

  • CHAPTER 7 FLOTATION OF SULPHIDE MINERALS

    sulphide ore the galena can be floated first at higher using cyanide to prevent sphalerite and pyrite from floating Then activation of sphalerite with copper sulphate and high pH to depress pyrite enables a sphalerite concentrate to be made Finally a lowering of pH can enable aThe invention belongs to the field of mineral processing, relates to a beneficiation method, and particularly relates to a method of sorting copper sulfide ore flotation tailings The method comprises the following steps: A, the tailings with copper and sulfur separated are dewatered through a thickener, wherein the content of the sulfur in the tailings is more than 20%, and the concentrationCNA Beneficiation method of recovering sulfurMiningpedia is a valuable and professional communication platform who focuses on providing mineral processing knowledge, mineral extraction process and the concentration of ore +86 neral Extraction, Mineral Processing, Concentration of

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