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A Copper Oxide Ore Treatment by Flotation ResearchGate

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

Flotation Of Copper Ore anticamacelleriaconiglio

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 loions as other copper ores

Copper 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.

(PDF) Investigation into the mineralogy and flotation

Investigation into the mineralogy and flotation performance of oxidised PGM ore

Chapter 6 Copper Production Technology

Chapter 6 Copper Production Technology The last boomin technological innovation for the copper industry occurred in the first two decades of this century, whenopen pit mining, flo tation concentration,and the reverberatory smelter were adapted to porphyry copper ores. With the exception of leachingsolvent extrac

Role of sodium sulfide in the flotation of oxidized copper

This paper reviews uses of sodium sulfide in the flotation of oxide minerals of copper, lead, and zinc. The activation and depression effects of sodium sulfide are of particular importance because of their appliions with oxidized lead and copper ores. In spite of its industrial importance, the nature of the heterogeneous reactions between sulfide ions in solution and the surface of oxidized

(PDF) Oxidative weathering of a copper sulphide ore and

The influence of grinding chemistry on the flotation behaviour of sulphides minerals has been widely studied. However, its influence on partially oxidised sulphide ores is not well documented.

Oxidative weathering of a copper sulphide ore and its

In this study, a copper sulphide ore has been artificially oxidised for varying lengths of time and a series of grinding and flotation tests under several grinding environments were completed at each time interval to study the combined effect of ore oxidation and grinding pulp chemistry. The results highlight the importance of

Flotation of a copper sulphide ore from Okiep using thiol

Flotation of a copper sulphide ore from Okiep using thiol collectors and their mixtures The Journal of The South African Institute of Mining and Metallurgy VOLUME 105 NONREFEREED PAPER MARCH 2005 201 Figure 1—The final cumulative copper recovery vs. collector dosage obtained with C2X, diC2DTP and diC2DTC in the flotation of the Okiep copper ore

(PDF) Flotation of an Oxidized Copper Sulfide Ore

Flotation of an Oxidized Copper Sulfide Ore . Ahmed A. Seifelnasr 1, Ghorashi Z. Zain 2, AbdelZaher M. Abouzeid *3. 1 Faculty of Petroleum and Mining Engineeri ng, Suez University, Suez, Egypt .

Copper Ore BeneficiationOre Beneficiation,Flotation

4. Oxidation ore beneficiation. Generally, we adopt flotation and wet smelting combined method or separation and flotation combined processing. we adopt wet smelting processing to deal with ore which has large content of cooper oxide. The process of copper ore beneficiation production line designed by our company is as follows:

The effect of grinding conditions on the flotation of a

The high dosage of reagents necessary for the flotation of Salobo''s ore is responsible for the high final copper recovery even for grinding conditions less adequate for flotation. Very high collector dosages are necessary to provide the adhesion of the oxidised copper sulphide particles to air bubbles.

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 Copper Sulfide Ores PDF Free Download

Partially oxidized copper–gold ores, such as those from Red Dome (Australia), belong to a group of refractory ores and also contain high clay. The gold in these ores is also found in iron hydroxides and oxide copper. Else_HFRCBulatovic_Ch012.qxd 1/3/2007 1:10 PM Page 268 268 12. Flotation of Copper Sulfide Ores 12.5.1 Flotation of sulfide

FLOTATION OF OXIDIZED COMPLEX COPPERLEAD ZINC

ore was tested. Low selectivity and recovery problems occur in the flotation of this copperrich ore since it includes secondary copper minerals causing high degrees of surface oxidation. Also, this ore contains high amount of clay and mica minerals. In order to increase the flotation performance of this ore, the effects of different types of

A New Appliion 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 4045 years in the idled plant. It was established that recovery of copper and cobalt

Flotation Behavior of Iranian Oxidized Zinc Ore Using

In the present study, the flotation behavior of oxidized zinc ore from Angooran deposit, Iran was studied using several ionic, anionic and mixed (ionic/anionic) collectors by means of bench scale flotation studies. 2. Materials and Methods The oxidized zinc ore samples were obtained from Angooran deposit, Iran.

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.

The critical degree of mineral surface oxidation in copper

Jan 01, 2020 · Little work has been done to quantitatively relate the degree of surface oxidation to copper sulphide flotation, which makes it inherently difficult for processing plants to optimise flotation conditions for oxidised ores and explore potential solutions that could be tailored to flotation of minerals with different degrees of oxidation.

Sulfide Ores an overview ScienceDirect Topics

Copper sulfide ores must be concentrated before they can be economically transported and smelted. The universal technique for this concentration is froth flotation of finely ground ore. Froth flotation entails attaching fine Cusulfide mineral particles to bubbles and floating them out of a water–ore mixture.

Copper Mining and Extraction: Oxide Ores

The process used to treat sulfide copper ores begins at the mine site, where the copperbearing minerals are physically separated from the rest of the rock. The flow diagram below shows how the percentage of copper increases as the ore is refined, first physically by froth flotation, then chemically by smelting and finally electrolytic refining.

Procedure for extaction of metals from gold containing

A method of refining sulfide is oxidized copper ores (RU # 2337160, publ. 27.10.2008), including collective flotation of sulphide and oxidized copper minerals from the ore, leaching of concentrate sulfuric acid solution involving ozone and/or hydrogen peroxide and ferric ions, dewatering and washing of the cake leaching and extraction of copper

Study on the Beneficiation of an Oxidised Copper Ores in

For a refractory oxidised copper ores in Yunnan province, studing the beneficiation of a oxidised copper ores sulfide flotation behavior. The results showed that: When ethylenediamine phosphate was added with the dosage of 120 g/t, the final copper concentrates were gained with the grade of 21.06% and recovery of 83.20%. Compared to the direct sulfide flotation, the concentrate grade was

Copper Mining and Extraction Sulfide Ores

About 200 years ago the UK was an important world source of copper and tin and there were mines in Cornwall and Devon. These mines have now closed and today the biggest copper mines are in Chile (Escondida mine) and Indonesia (Grasberg mine). These produce many millions of tonnes of copper ore per year. The main ores of copper are sulfides and

The effect of surface oxidation of copper sulfide minerals

The industry is well aware of the difficulty in treating copper ores in the presence of clay minerals. In this study, the effect of bentonite on the flotation of chalcopyrite (a primary copper sulfide mineral) and chalcocite (a secondary copper sulfide mineral) was investigated in terms of surface coating.

A New Appliion 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 loions as other copper ores

PROCESS OPTIMISATION OF MIXED COPPER ORES

Mixed copper ores are treated through different processes depending on the degree of oxidation as well as the consumption of acid. With the availability of realtime technology that can reliably measure differences between oxide and sulphide minerals, it is now possible to control a mixed copper ore

Role of sodium sulfide in the flotation of oxidized copper

Abstract. This paper reviews uses of sodium sulfide in the flotation of oxide minerals of copper, lead, and zinc. The activation and depression effects of sodium sulfide are of particular importance because of their appliions with oxidized lead and copper ores.

Copper Oxide Ore Scientific

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 35g/t as foaming, sodium sulphide1000g/t, lime3000g/t, and the flowsheet is one stage of roughing, three stage of cleaning and two stage of scavenging operationg

Perturbations from the recycled water chemical components

Recycling water in flotation of oxidized ores of copper can contribute to the environment and hydric resources safeguarding in the Katanga province of the Democratic Republic of Congo (DRC) through minimization of the release of pollutants to watercourses used as spillways of effluents.

(PDF) A Review of the Flotation of Copper Minerals

These oxidised copper minerals are found in weathered regions of most copper sulphide ore bodies The overlaying oxidic ore is usually stockpiled after it is removed from the sulphide lode and left

EFFECT 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

Treatment of Mixed Sulfide Oxide Ores of Copper

Unfortunately, much of the oxidized copper in the large porphyry mines is in the form of copper silie. While it might not be very difficult to coat pure copper silie with sulfide and recover it in concentrated form by flotation, concentration of most of the silie copper of the Southwest would lead to

Mining Industry Copper Sulfide Ore and Flotation Process

Jul 09, 2019 · (5) Coppernickel ore Copper minerals and nickel, such as nickel sulfide ore and nickelcontaining pyrite and pyrrhotite. (6) Coppercobalt ore Copper mineral and cobaltcontaining pyrite and other cobalt minerals. (7) Arsenic sulfide copper ore The ore has a high content of arsenic, which is mainly in the form of arsenopyrite. Flotation

Copper processing Ores Britannica

Copper processing Copper processing Ores: Principal forms in which copper ores are found include native copper, porphyry copper, massive deposits, and mixed ores. Native copper is simply the metal found unadulterated in nature. Occasionally copper is still found in its native form, but more frequently it is mixed with other minerals, some of which may have value themselves. The amount of

flotation copper oxide Froth Flotation (Sulphide & Oxide

Froth Flotation (Sulphide & Oxide) Radio Hill in Australia successfully used the Ausmelt reagent AM28 (an alkyl hydroxamate) to float mixed sulphide/oxide copper ore, increasing recovery from a low of 40 to 50% up to 70%. They used AM28 to replace sulphidisation of oxide minerals, in conjunction with standard sulphide collectors to recover

(PDF) A New Appliion 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.

Copper Mining and Processing: Processing of Copper Ores

Copper processing is a complied process that begins with mining of the ore (less than 1% copper) and ends with sheets of 99.99% pure copper called hodes, which will ultimately be made into products for everyday use.The most common types of ore, copper oxide and copper sulfide, undergo two different processes, hydrometallurgy and pyrometallurgy, respectively, due to the different