Our copper oxide recovery flotation

A Copper Oxide Ore Treatment by Flotation


The ore containing 0.77%copper, the main metal minerals in the ore are hemesite, pyrite bornite, covellite, malachite, the main gangue minerals in the ore are quartzite, dolomite, plagioclase, Chlorite, calcite. And the copper oxidation ratio of the ore is 45.5%, According several flotation tests, finally found that the optimum reagents dosage are: butyl xanthate 90g/t as collector, pine oil ...

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 feasibility analysis.

The recovery of oxide copper minerals from a complex ...


The recovery of oxide copper minerals from a complex copper ore by sulphidisation. ... can be partially attributed to the recovery of oxide minerals which were not recovered during flotation with SIBX only. The grade-recovery results are summarised in Fig. 2. In the case of slug sulphidisation, Cu recovery increased with increasing NaHS addition.

v117n8a11 The role of pulp potential and the ...


contained both sulphide and oxide copper minerals, the flotation procedures developed focused on optimizing firstly the sulphide mineral recovery and then the oxide mineral recovery by investigating CPS. A schematic of the flotation procedures is given in Figure 2. Sulphide mineral recovery tests were conducted over 10 minutes, during which four

AN INVESTIGATION OF COPPER RECOVERY FROM A …


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 4.10 : The relationship between the flotation recovery of pure malachite and bornite with

Copper Flotation - Mineral Processing & Metallurgy


Even though these minerals occur in relatively small amounts they can often be economically recovered as by-products for the expense of mining, crushing, and grinding is absorbed in recovery of the copper. A Copper Flotation Flowsheet Because the copper in this type of ore usually assays only plus or minus 1% copper, the porphyry copper ...

Oxide Flotation Collector | Collector for Copper Oxide Ore


In this flotation tests and evaluation for the best collector for copper oxide "ore" 911Metallurgy continues with material that's 60% Oxide copper. Sample C: 1.7% Copper about 60% Oxide Cu Rougher Tests: Both reagents appear to behave similarly as the "blue dots" are seemingly a continuation of the trend started by "red dots".

Flotation of Copper Oxide Minerals Using Ethylene ...


Studying on difficulty of copper oxide`s flotation, the activation of new pharmaceutical KLY refractory copper oxide ore achieves better test results than the other activator. The final recovery rate of copper ore is 83.99% and the copper grade of concentrate is 22.87%.Through the mechanism of the test shows that the improved ethylene phosphate plays a major role for the activation, which not ...

flotation copper oxide - Froth Flotation (Sulphide & Oxide ...


Is there a way for flotation of copper oxide? Is it possible to recovery up to 75 percent achieved? I have sample that about 45% of copper oxide and about 40% recovery was achieved with the SIPX and Sodium Mercaptobenzothiazole Dithiophoishate collector. I need to know how to increase copper recover

Mechanism and application on sulphidizing flotation of ...


Pre-flotation of sulfide Fig. 4 Effect of pH value on sulphidizing flotation recovery with different collectors minerals and de-sliming were proceeded prior to copper oxide flotation. Since this work was primarily focused on the performance of NaBX+DDA as combined collector in copper oxide flotation, the flotation of copper sulfide concentrates ...

A Copper Oxide Ore Treatment by Flotation


The aim of this study was the recovery of copper from the oxide copper ore by froth flotation and agitating sulphuric acid (H2SO4) leaching. The ore with 4.21% copper grade used in this study was ...

1 Froth Flotation – Fundamental Principles


After carrying out a froth flotation separation, the products are as shown in Table 1. Using this data, calculate: (a) Ratio of concentration (b) % Metal Recovery (c) % Metal Loss (d) % Weight Recovery, or % Yield (e) Enrichment Ratio Table 1: Grade/recovery performance of a hypothetical copper ore flotation process.

Copper Oxide - an overview | ScienceDirect Topics


The process involves two basic flotation methods: (a) fatty acid flotation of oxide copper minerals from siliceous ore, and (b) sulphidization of oxide copper minerals followed by flotation using sulfhydryl collectors, such as xanthate [1] from carbonate ores. In the past 50 years, extensive research has been carried out on a variety of oxide ...

Froth Flotation (Sulphide & Oxide)


The copper recovery is by standard flotation reagents identified in the description of the copper mineral flotation. The naturally float molybdenum with copper but can be congested in the foam by the mineralization of copper and molybdenum collector use (such as diesel oil, kerosene, refined oils, pine oil or xanthate ester) improves its buoyancy.

Copper Recovery from Yulong Complex Copper Oxide Ore …


Copper Recovery from Yulong Complex Copper Oxide Ore by Flotation and Magnetic Separation JUNWEI HAN,1,3 JUN XIAO,2,4 WENQING QIN,1 DAIXIONG …

(PDF) The recovery of oxide copper minerals from a complex ...


Assuming that oxides are only recovered during the oxide flotation stage, Cu-oxide minerals recovery can be estimated at around 52%. That constitutes an increase of more than 20% compared to the ...

Recovery of Copper from Sulfide-Oxidized Copper Ore by ...


The copper mine is the sulfide-oxidized copper ore. The grade of copper is 0.5%, with the oxidation of 22%. According to the properties of the ore; a systematic study was did for the ore, include collectors, activators and grinding fineness. Under the optimized conditions, copper concentrates grade of Cu 16.56% with a recovery of 85.62% was obtained through the locked cycle flotation of twice ...

RECOVERY OF COPPER FROM OXIDE COPPER ORE BY …


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.

Copper Oxide Flotation - Mineral Processing & Metallurgy


Continuing with the evaluation of copper oxide flotation using hydroxamate we now evaluate a rock that's 41% copper oxide with some lead oxide included. Sample B: 1.8% Copper about 41% Oxide Cu Rougher Tests: Unseen in these charts is the order in which the results were obtained. The last/best "Blue" dot (the best data point) was the last test of the series.

A New Application For Flotation Of Oxidized Copper Ore


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 from this ore with hydrometallurgical treatment is not economical, so using flotation to increase the concentration of copper and cobalt was chosen. When flotation of the oxidized copper

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.

PROCESS OPTIMISATION OF MIXED COPPER ORES …


PROCESS OPTIMISATION OF MIXED COPPER ORES THROUGH REAL-TIME MINERALOGICAL ANALYSES Paquot, F.X.*, ... base metals industry and is aimed at optimising the recovery of copper in the flotation circuit. 1. Background ... the TCu in the tails follows the ASCu in the tails because oxide minerals are the most difficult

Clariant reviews phosacid esters for copper oxide recovery ...


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 oxides.

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 0.71%. Copper concentrate of Cu 15.02% with a recovery of 38.55% was obtained by flotation.

Recovery of pyrite from copper tailings by flotation ...


The recovery of pyrite at 5 min of flotation is 97.8%, and at 7 min of flotation the maximum estimated recovery of 99.1% is reached. In order to produce a concentrate with a pyrite grade closest to 90%, and a recovery above 90%, 3.5 min were selected for the recleaner flotation stage as the optimum flotation …

Copper extraction - Wikipedia


Copper oxide ores have occasionally been treated via froth flotation via sulfidation of the oxide minerals with certain chemicals which react with the oxide mineral particles to produce a thin rime of sulfide (usually chalcocite), which can then be activated by the froth flotation plant. Sulfide smelting

How to improve copper & gold recovery to copper ...


I have been given a project on optimization of copper concentrate grade so as to improve copper and gold recovery. I need help on the main factors which I have to consider in my project. The targeted copper concentrate grade at the plant is 18- 20%Cu, but currently the target is not achieved. ... Froth Flotation (Sulphide & Oxide) robertd 2017 ...

Tetrazinan-thione collectors for copper oxide mineral ...


Oct 15, 2019· While, hydroxamates show the unsatisfactory selectivity against Ca/Fe-bearing gangue minerals [3,27], and xanthates suffer from the surface-sulfidized species of oxide copper minerals despite sulfidization xanthate approach has become a common technique for flotation recovery of copper, lead or zinc oxide minerals [,,, ].

World's largest flotation cells improve copper and ...


World's largest flotation cells improve copper and molybdenum recovery in Mexico. The first two Outotec TankCell ® e630's – the largest operating flotation cells in the world at 630 m 3 – are running at the Buenavista del Cobre (BVC) concentrator in Northern Mexico. Start-up was completed in March 2018, and since then the site has ...

Recovery of Ultrafine Copper Oxide Mineral with Vacuum ...


Tangdan copper oxide ore deposit, located in the northeast Yunnan province of China, is the largest independent copper oxide deposit in China. The ore from the deposit is characterized by low grade, high oxidation ratio and fine-grained dissemination, which results in the poor flotation recovery. The analysis of plant flotation data reveals that the loss of copper minerals into tailings is ...

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