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flotation oxidised copper ore

  • (PDF) Flotation of an Oxidized Copper Sulfide Ore

    From a flotation feed assaying 2.7% Cu, a copper concentrate assaying about 23.5% Cu at a recovery of 91.5% was obtained in only one roughing and one cleaning stages. EFFECT OF THE COLLECTOR DOSAGE.Copper Flotation Recovery Rates of Oxidized Ores,A crude display of how oxide content (copper) affects the overall recovery of any given ores. Below are flotation recovery responses of 5 different ores from North and South America. In all cases, the recovery VS %Oxide relationship is obvious. Samples vary from 0.4% to 1.6% total copper. The heavy oxide chart (4th one down) being the 1.6% Copper

  • Flotation of an Oxidized Copper Sulfide Ore

    Flotation of an Oxidized Copper Sulfide Ore Ahmed A. Seifelnasr 1,Ghorashi Z. Zain 2,Abdel-Zaher M. Abouzeid *3 1 Faculty of Petroleum and Mining Engineering, Suez University, Suez, EgyptA New Application For Flotation Of Oxidized Copper Ore,oxidized copper ore and different structures of copper ore have been carried out by many researchers using various flotation conditions. Oxidized copper ores are found in many places in the world. Formation of this type of ore occurs in the same locations as other copper ores

  • The Effect of Oxidation on the Flotation Behaviour of

    In this paper, the flotation behaviour of nickel-copper ores processed in the Sudbury area is discusse~ with emphasis on the effect of oxidation on individual minerals, pnmarily pyrrhOlite. In general, moderate oxidation of a freshly ground ore promotes the flotability of all principal sulphides in the ore leading to a bulk flotation concentrate.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

  • Evaluating the sulphidisation and flotation of oxidised

    Apr 01, 2021· The process has been traditionally applied to flotation of copper oxide-bearing ores to activate them for thiol collector flotation (Castro et al., 1974, Castro et al., 1976, Lee et al., 2009, Phetla and Muzenda, 2010, Shengo et al., 2014, Tijsseling et al., 2019).How to Process Copper Ore: Beneficiation Methods and,Oct 27, 2020· Flotation method of copper oxide ore 1. Sulphidizing flotation. The oxidized ore is vulcanized by adding vulcanizing agent and then the flotation is carried out with the ordinary reagents of copper sulphide flotation. Scope of application: mainly malachite, azurite and atacamite.

  • Vulcanization flotation of copper oxide ore-News-Kunshan

    Sep 27, 2019· Sulfuration flotation method is the main flotation method for treating copper oxide ore and mixed ore at home and abroad. For malachite, azurite, and red copper. Mine-based copper oxide ore can get better indicators.17 Flotation of Gold Ores,ores that contain impurities that result in high consumption of cyanide, which have to be removed before cyanidation. 4. The flotation method is a technique widely used for the recovery of gold from gold-containing copper ores, base metal ores, copper nickel ores, platinum group ores and many other ores where other processes are not applicable.

  • Flotation of Copper oxide ore Fodamon Machinery

    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 method. Copper 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 Process Copper Ore: Beneficiation Methods and

    Oct 27, 2020· Flotation method of copper oxide ore 1. Sulphidizing flotation. The oxidized ore is vulcanized by adding vulcanizing agent and then the flotation is carried out with the ordinary reagents of copper sulphide flotation. Scope of application: mainly malachite, azurite and atacamite.(PDF) BULK FLOTATION OF COMPLEX COPPER ORE Khmer Lee,BULK FLOTATION OF COMPLEX COPPER ORE FROM SIOCON, ZAMBOANGA DEL NORTE _____ An Undergraduate Thesis Presented to the Faculty of the Metallurgical Engineering Department College of Engineering MSU- Iligan Institute of Technology Iligan City _____ In Partial Fulfillment of the requirements for the degree of Bachelor of Science in Metallurgical Engineering Khmer Lee P. Lugod

  • The Effects of Different Depressants on Oxidised Copper

    For refractory oxidised copper ores of Huidong Sichuan province, studing the different depressants on the influence of oxidised copper ores flotation behavior. The results showed that: the depressanting effect of the combination of sodium hexametaphosphate primarily is better. When the dosage of the combination of sodium hexametaphosphate and sodium humate reagent is 300 g/t, ratio is 2:1,theEFFECT OF GRINDING CHEMISTRY ON THE SULPHIDISATION ,The effect of pulp chemistry on oxidised copper sulphide minerals and copper oxide minerals were first studied separately before examining a mixed system. The work completed on the oxidised sulphide mineral revealed that grinding pulp chemistry affects the flotation performance of the ore for each oxidation degree tested. For the

  • The Complete Collection of Copper Beneficiation Reagents

    Copper and sulfur in copper ore have strong collection properties, which is also conducive to improving the recovery of associated gold in copper sulphide ores. The flotation effect of refractory copper-sulfur ore containing secondary copper minerals is better than that with butyl xanthate, but its selectivity is (PDF) Investigation into the mineralogy and flotation,In some instances the ore recovered from near surface has been altered by weathering and oxidation and if the ore is treated by flotation instead of being left in situ, stockpiled or discarded, then very poor flotation recoveries are achieved.Although few descriptions of the effect of alteration and oxidation on the mineralogy of ores from the

  • Copper extraction Wikipedia

    Copper extraction refers to the methods used to obtain copper from its ores.The conversion of copper consists of a series of physical and electrochemical processes. Methods have evolved and vary with country depending on the ore source, local environmental regulations, and other factors.. As in all mining operations, the ore must usually be beneficiated (concentrated).17 Flotation of Gold Ores,ores that contain impurities that result in high consumption of cyanide, which have to be removed before cyanidation. 4. The flotation method is a technique widely used for the recovery of gold from gold-containing copper ores, base metal ores, copper nickel ores, platinum group ores and many other ores where other processes are not applicable.

  • Ore deposits formed by oxidation and supergene enrichment

    Ore Deposits Formed by Oxidation and Supergene Enrichment · When ore deposits are exposed to the oxidation zone they are weathered and altered with the country rocks. · The surface waters oxidize many ore minerals and yield solvents that dissolve other minerals. · An orebody thus becomes oxidized and generally leached of many of its valuable materials down to the groundwater table, or toRecovery of PGMs from an oxide ore by flotation and leaching,has triggered interest in exploration of techniques for PGM recovery from near surface oxidised PGM ores. All earlier attempts to process the oxidised PGM ores by conventional flotation methods achieved poor recoveries (typically less than 50 %) hindering the commercial exploitation of these resources.

  • Sulfide filming and flotation of chrysocolla

    The porphyry ore-bodies in the Southwest contain both copper sulfide and oxidized copper minerals. The sulfide minerals are readily concentrated by flotation. Although concentration of oxidized minerals by flotation methods by the Kenneoott Copper Company in Alaska was successful, many other large and small scale attempts have failed. Chapman1Froth Flotation Analysis of Oxidized Lead-Zinc Ore,Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic,which is suitable for lead-zinc ore.But the flotation of oxidized lead-zinc ore is a difficult one. In the treatment of lead-zinc oxide ore, it is complicated to choose flotation reagent and process flow.

  • RECOVERY OF COPPER FROM OXIDE COPPER ORE BY

    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 4.21% copper grade used in this study was obtained from Çorum-Dangaz region of Turkey. Native copper, cuprite (Cu 2 Flotation of a Refractory Copper Oxide Ore Using Ammonium,Flotation of Jinping refractory copper oxide ore activated by a combined reagent of amine and ammonium has been fully studied in present study. The results show that the combined reagent (i.e., ethylenediamine phosphate and ammonium bicarbonate) has a remarkable effect on flotation performance, which can not only effectively activate the refractory copper oxide mineral, but also

  • 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.(PDF) BULK FLOTATION OF COMPLEX COPPER ORE Khmer Lee,BULK FLOTATION OF COMPLEX COPPER ORE FROM SIOCON, ZAMBOANGA DEL NORTE _____ An Undergraduate Thesis Presented to the Faculty of the Metallurgical Engineering Department College of Engineering MSU- Iligan Institute of Technology Iligan City _____ In Partial Fulfillment of the requirements for the degree of Bachelor of Science in Metallurgical Engineering Khmer Lee P. Lugod

  • The Effects of Different Depressants on Oxidised Copper

    For refractory oxidised copper ores of Huidong Sichuan province, studing the different depressants on the influence of oxidised copper ores flotation behavior. The results showed that: the depressanting effect of the combination of sodium hexametaphosphate primarily is better. When the dosage of the combination of sodium hexametaphosphate and sodium humate reagent is 300 g/t, ratio is 2:1,theCopper 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.

  • Sulfide filming and flotation of chrysocolla

    The porphyry ore-bodies in the Southwest contain both copper sulfide and oxidized copper minerals. The sulfide minerals are readily concentrated by flotation. Although concentration of oxidized minerals by flotation methods by the Kenneoott Copper Company in Alaska was successful, many other large and small scale attempts have failed. Chapman1(PDF) Investigation into the mineralogy and flotation,In some instances the ore recovered from near surface has been altered by weathering and oxidation and if the ore is treated by flotation instead of being left in situ, stockpiled or discarded, then very poor flotation recoveries are achieved.Although few descriptions of the effect of alteration and oxidation on the mineralogy of ores from the

  • 17 Flotation of Gold Ores

    ores that contain impurities that result in high consumption of cyanide, which have to be removed before cyanidation. 4. The flotation method is a technique widely used for the recovery of gold from gold-containing copper ores, base metal ores, copper nickel ores, platinum group ores and many other ores where other processes are not applicable.Handbook of Flotation Reagents MESA,Handbook of Flotation Reagents Chemistry, Theory and Practice: Flotation of Sulfide Ores by Srdjan M. Bulatovic • ISBN: 0444530290 • Publisher: Elsevier Science & Technology Books • Pub. Date: April 2007

  • APPLICATION OF MODIFIED SULFIDIZING REAGENT (MSR) IN

    MSR for a preliminary sulfidization of the oxidized copper ore in the flotation chamber, i.e. by variant II. This procedure of sulfidization of the oxidized cop-per minerals with using of MSR was tested on a sample of the oxidized copper ore from the Balkhash region containing mass/%: Cu gener. Froth flotation Wikipedia,Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic.This is used in mineral processing, paper recycling and waste-water treatment industries. Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century.

  • Flotation behavior of the oxidized copper-cobalt-bearing

    The flotation by surface sulphidisation of the oxidized copper-cobalt-bearing ore from Kimpe (1.97% Cu; 0.66% Co) was studied in order to evaluate its behavior by the analysis of its most influential parameters and their possible interactions.Flotation of upper zone copper sulfide ores Exxon,In another embodiment of the present invention, an alkaline conditioned ore containing copper sulfide and oxidized copper sulfide minerals is treated prior to flotation by adding a collector or mixture of collectors, optionally a frother or mixture of frothers, and a surface modifying agent such that the platinum electrode potential of the ore

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