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RECOVERY OF COPPER FROM OXIDE COPPER ORE BY

2014-12-24  RECOVERY OF COPPER FROM OXIDE COPPER ORE BY FLOTATION AND LEACHING Kiraz, Emirhan M.S., Department of Mining Engineering Supervisor: Prof. Dr. Mustafa Ümit Atalay December 2014, 65 pages 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.

(PDF) A Review of the Flotation of Copper Minerals

The recovery of these copper minerals by flotation or hydrometallurgy from ores, typically containing 0.5%TCu (open pit mines) and 1-2%TCu (underground mines) is of great

Copper Oxide Flotation Mineral Processing & Metallurgy

2013-7-25  After many attempts at the copper oxide flotation contest, Axis does manage to bring the results of its last test of the series to a Au/Ag %Recovery similar to Oxflo’s

AN INVESTIGATION OF COPPER RECOVERY FROM A

2010-1-19  improvement of sulphide-oxide copper ores processing through the use of mixed collector systems has surged. The flotation of a natural porphyry copper ore with bornite and malachite Figure 4.9 : The relationship between the flotation recovery of pure malachite and bornite with

Copper Recovery from Yulong Complex Copper Oxide Ore

2017-5-25  A combined process of flotation and high-gradient magnetic separation was proposed to utilize Yulong complex copper oxide ore. The effects of particle size, activators, Na2S dosage, LA (a mixture of ammonium sulfate and ethylenediamine) dosage, activating time, collectors, COC (a combination collector of modified hydroxyl oxime acid and xanthate) dosage, and magnetic intensity

Flotation of oxide copper ore with sodium oleate from

2020-5-12  constituents. Oxide copper ore flotation with 800 g/ton sodium oleate at pH 9 yielded 14.4% Cu with 83.3% 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 20.1% Cu with 76.4% recovery.

A New Technique for Recovering Copper From Complex

2018-9-24  Copper oxide ore has a complex composition, and a low recovery rate is often achieved via the traditional sorting method. A new combined process of flotation–high-gradient magnetic separation–leaching is proposed here to recover copper minerals. The test results showed that the flotation process was successful when using sodium sulfide as a vulcanizing agent and butyl xanthate

Study of Flotation Parameters for Copper Recovery from

2020-4-1  time, collector type and addition on efficiency of tennantite flotation. It was shown that maximum copper recovery of 95,3% was obtained at pH 12.3 by lime.It was suggested to grind up to 65.72% of -0.074 mm to achieve the optimum recovery of

(PDF) The role of pulp potential and the sulphidization

It was also found that the highest recovery of oxide copper could be obtained using CPS method and in this case, 10.34% of the oxide copper and 4.48% of the total copper improved and also the

Flotation of Copper oxide ore Fodamon Machinery

It can improve the recovery of copper oxide ore. The reason is that the decrease of PH value after adding ammonium sulfate is beneficial to the increase of HS concentration, the acceleration of sulfidation reaction and the flotation of copper oxide ore. However,

Enhanced sulfidation xanthate flotation of malachite

2017-8-23  Direct flotation of copper oxide ores has been extensively studied. They selected fatty acids, fatty amines, petroleum sulfonates, and hydroxamic as flotation collectors for the direct recovery of

Flotation of oxide copper ore with sodium oleate from

2020-5-12  constituents. Oxide copper ore flotation with 800 g/ton sodium oleate at pH 9 yielded 14.4% Cu with 83.3% 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 20.1% Cu with 76.4% recovery.

A Brief Introduction to Copper Oxide Ores Fote Machinery

2021-10-27  Brochantite type copper oxide ore is dominated by copper alum minerals. It is a middle-difficult-to-beneficiate copper oxide ore. Flotation and chemical beneficiation can be used to recover copper. And the combined method shall be used if the gangue mineral is carbonate. Native copper oxide ore

1 Froth Flotation Fundamental Principles

2009-8-27  Table 1: Grade/recovery performance of a hypothetical copper ore flotation process. Product % Weight % Cu Assay Feed 100 2.09 Concentrate 10 20.0 Tailings 90 0.1 (a) From Table 1, the Ratio of Concentration can be calculated as F/C = 100/10 = 10. If only

(PDF) The role of pulp potential and the sulphidization

It was also found that the highest recovery of oxide copper could be obtained using CPS method and in this case, 10.34% of the oxide copper and 4.48% of the total copper improved and also the

Effect of Des on Flotation Response of Kansanshi

2019-8-12  Kansanshi Sulfide Oxide Copper Ore, Flotation, Baseline, Des. 1. Introduction. Flotation recovery of valuable minerals from ores is a function of particle size and it is therefore anticipated that variation in the granulometric characteristics of feed

Copper Recovery from Yulong Complex Copper Oxide Ore

2017-5-25  Copper Recovery from Yulong Complex Copper Oxide Ore by Flotation and Magnetic JOM ( IF 2.471) Pub Date : 2017-05-25, DOI: 10.1007/s11837-017-2383-x Junwei Han, Jun Xiao, Wenqing Qin, Daixiong Chen, Wei Liu

Study of Flotation Parameters for Copper Recovery from

2020-4-1  time, collector type and addition on efficiency of tennantite flotation. It was shown that maximum copper recovery of 95,3% was obtained at pH 12.3 by lime.It was suggested to grind up to 65.72% of -0.074 mm to achieve the optimum recovery of

Mechanochemical sulfidization of a mixed oxide-sulphide

2019-6-28  The highest recovery (75.76%) and separation efficiency (63.44%) were achieved at pH of 7.5 and 8.5, respectively. Key words: Sulphide/oxide copper ore, Floatability, Mechanochemical sulfidization, Reductive additives, Recovery

Effects of Pyrite Texture on Flotation Performance of

2021-10-18  A copper concentrate could be produced from Ore A with approximately 28% Cu grade at 76% recovery. Use of Na 2 S and MBS improved flotation response of Ore B to some extent, and a copper concentrate was produced assaying 21.62% Cu at 52.36% recovery. The copper flotation performance of the mixed ore samples was just between the two ores, as

Review, Evolution and Optimization of the Kansanshi

2016-6-8  sulphidisation for flotation of oxidized sulphides has also been demonstrated (Newell et al., 2006). When introduced in the slurry, the sulphidiser dissociates into -the species H 2 S, HS-or S 2, depending on the pH. These ions react with the copper oxide minerals to form a

1 Froth Flotation Fundamental Principles

2009-8-27  Table 1: Grade/recovery performance of a hypothetical copper ore flotation process. Product % Weight % Cu Assay Feed 100 2.09 Concentrate 10 20.0 Tailings 90 0.1 (a) From Table 1, the Ratio of Concentration can be calculated as F/C = 100/10 = 10. If only

Multianalysis Characterization of Mineralogical Properties

2020-11-26  Copper-lead-zinc mixed ore in Tibet, China, is a complex and refractory polymetallic ore resource; thus, ascertaining its mineralogical properties is very important for comprehensive recovery of valuable elements. In this work, the mineralogical properties of this copper-lead-zinc mixed ore have been characterized in detail following a multidisciplinary approach, including chemical, phase, x

从某氧化铜浮选尾矿中回收铜、钴的试验研究-Experimental

2019-8-7  Huang Sheng,Liang Zhi’an,Chen Shuibo,zhang xingxun,ye zhiyong.Experimental Study on Recovery of Copper and Cobalt from a Copper Oxide Flotation Tailings[J].Nonferrous Metals(Mineral Processing Section),2020(3):29-34.

A New Technique for Recovering Copper from Complex

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.

Flotation Optimisers to Increase Recovery and Grade

Flotation Optimisers and Depressants. Pionera® F-Range of biopolymers consists of selective depressants and flotation optimisers for a broad range of gangue minerals in mineral beneficiation processes. They can offer a significant economic advantage in the flotation of minerals by reducing smelter penalties, increasing grades and recovery of

Mechanochemical sulfidization of a mixed oxide-sulphide

2019-6-28  The highest recovery (75.76%) and separation efficiency (63.44%) were achieved at pH of 7.5 and 8.5, respectively. Key words: Sulphide/oxide copper ore, Floatability, Mechanochemical sulfidization, Reductive additives, Recovery

Frontiers Synthesis of 1-(2-Hydroxyphenyl) Dec-2-en-1

2020-11-26  A batch-flotation test was conducted by operating a flotation machine (Jilin Province Prospecting Machinery Factory) with an effective cell volume of 750 mL. First, the copper oxide ore was ground to −74μm (>80 wt%) in an XMB-70 rod mill. After that, the pH of the copper oxide ore for batch flotation was adjusted at around 8.0.

Recovery of Copper from Flotation Tailings by Leaching

A technology route of Reverse flotation of acid-consuming gangue mineralsAcid leaching for copperExtractingElectrodepositing is proposed for recovery copper from a

Flotation Responce of the Refractory Yangla Copper Oxide

To establish the flotation response and suitability of the collectors, series of bench-scale flotation tests are conducted for the refractory oxide copper ores obtained from Yangla Mine in Yunnan province. A simple xanthate (PAX) is used as the sulphide collector and a chelating reagent of hydroxamate AM28 as the oxide collector. It is found and confirmed by mineralogical examination that AM28