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Excellence in resource and operations Salobo overview

5 Salobo –Overview•Largest copper deposit ever found in Brazil with more than 49 years of mine life •Sulphide ore deposit •World-class ore body High copper grade 0 91% in 1Q16 High gold grade 0 67 g/t in 1Q16 •High quality concentrate with 38 0-38 8% Cu Get Price

Copper extraction

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 Get Price

Application of SART to Heap Leaching of Gold

low grade preg solutions Typical solution application rates are 1 5 - 2 0 m 3 /t ore Preg solution flowrates from the base of the heaps average 2 000 - 2 400 m 3 /hr and contain about 0 3 - 0 4 ppm Au 300 - 350 ppm total CN and 300 ppm Cu Figure 1 Regional Get Price

Low grade ores

2010/1/1In an earlier paper (Norgate and Jahanshahi 2006) the authors used life cycle assessment (LCA) methodology to examine the effect of ore grades down to 0 25% and grind sizes down to 5 μm on the life cycle-based energy consumption and greenhouse gas emissions of copper and nickel metal production by conventional pyrometallurgical processing (i e ore concentration followed by smelting Get Price

ore

Low grade lead ore isn't suitable for final applications It need to increase the ore grade and reduce the gangue content There are many different technics for lead ore beneficiation including crushing grinding washing filtration sorting sizing gravity concentration magnetic separation flotation and agglomeration (pelletizing sintering briquetting ornodulizing) Get Price

INVESTIGATION OF THE USE OF AMMONIUM ACETATE AS AN

malachite ore The copper in the malachite ore is in the form of CuCO3⋅Cu(OH)2 Thus when malachite ore is added into ammonium acetate solution the re-actions occurring during the leaching process are pro-bably as follows CuCO3 Cu(OH)2 + 2H3O + → Cu Get Price

Morenci Mine Is The Largest Copper Producer In North

2015/10/25Morenci mine is the largest copper producer in North America and remains a major contributor to Phelps's copper output which is second only to that of Chile's Codelco In 1986 Phelps Dodge Morenci Inc was established as a partnership between Phelps Dodge Mining Company (85%) and Sumitomo Metal Mining Arizona Inc Get Price

ore

Low grade lead ore isn't suitable for final applications It need to increase the ore grade and reduce the gangue content There are many different technics for lead ore beneficiation including crushing grinding washing filtration sorting sizing gravity concentration magnetic separation flotation and agglomeration (pelletizing sintering briquetting ornodulizing) Get Price

Implementation and practice of an integrated process to

2020/8/1At present the copper grade of Zijinshan copper ore respectively fed to HBL and flotation plant is 0 15–0 25% and 0 25–0 45% The analysis of a representative sample to HBL is shown in Table 1 The content of sulfur and iron in the ore is relatively high as 4 68% S Get Price

COPPER Copper production

Copper concentrators typically treat up to 100 000 t of ore per day They are located directly at the mines to achieve low transport costs The copper recovery efficiency is over 90 % About 95 % of the ore input goes into the tailings which are stored in large Get Price

COPPER AND SELENIUM IN RAINWATER SOILS AND

COPPER AND SELENIUM IN RAINWATER SOILS AND ALFALFA FROM AGRICULTURAL ECOSYSTEMS OF VALPARAISO REGION CHILE I DE GREGORI 1 * G LOBOS 1 S LOBOS 1 H PINOCHET 1 M POTIN-GAUTIER 2 AND M ASTRUC 2 1 Instituto de Qumica Universidad Catlica de Valparaso Casilla 4059 Valparaso Chile Get Price

Copper Statistics and Information

Copper is usually found in nature in association with sulfur Pure copper metal is generally produced from a stage process beginning with the mining and concentrating of low-grade ores containing copper sulfide minerals and followed by smelting and Get Price

Morenci Mine Is The Largest Copper Producer In North

2015/10/25Morenci mine is the largest copper producer in North America and remains a major contributor to Phelps's copper output which is second only to that of Chile's Codelco In 1986 Phelps Dodge Morenci Inc was established as a partnership between Phelps Dodge Mining Company (85%) and Sumitomo Metal Mining Arizona Inc Get Price

Department for Energy and Mining

Copper was discovered at Kapunda in 1842 and mined until 1879 producing approximately 13 700 t of copper from 69 000 t of ore A resource of 4 3 Mt at 1 1% Cu has been estimated in the supergene oxide and sulfide zone plus a large low-grade resource of primary chalcopyrite–pyrite mineralisation at depth Get Price

Capstone Mining

Jetti's patented technology makes it possible to extract copper from low-grade primary sulfides such as chalcopyrite the world's most abundant copper mineral ore Jetti has developed and commercially deployed a catalytic technology that allows for the efficient and effective heap and stockpile leach extraction of copper trapped in these challenging mineral ores Get Price

How copper is made

Despite this early production most copper used in the United States was imported from Chile until 1844 when mining of large deposits of high-grade copper ore around Lake Superior began The development of more efficient processing techniques in the late-1800s allowed the mining of lower-grade copper ores from huge open-pit mines in the western United States Get Price

Precious Metal Heap Leach Design and Practice

A recent review (Kappes 1998) concluded that for a typical Nevada-type ore body with ore grade of 3 0 grams gold/tonne (0 088 oz/ton) the mill recovery would have to be 21% higher than the heap leach recovery to achieve the same return on investment - and this is very seldom the Get Price

Treatment of Ore Mount Morgan

Advances in concentration techniques (froth flotation) had vastly increased the concentration ratio (now 22 1) making much lower grade ore now profitable In 1931 independent laboratory tests in Australia confirmed overseas tests that 87% of the copper and at least 75% of the gold could be recovered by froth flotation Get Price

The World's 20 Largest Copper Mines

2019/11/25The world's 20 largest copper mines produce nearly 9 million metric tons of the precious metal a year about 40% of the world's total copper mine capacity Chile and Peru alone account for more than half of the copper mines on this list The U S makes the cut as Get Price

Copper Mining Using Acidothiobacillus

2011/7/23A study done on the copper solubilizing activity of At ferrooxidans strains isolated from a low-grade copper mine in Chile revealed that when grown in a chalcopyrite-containing medium a particular strain called D3-2 had a greatly enhanced solubilizing activity in Get Price

INVESTIGATION OF THE USE OF AMMONIUM ACETATE AS AN

malachite ore The copper in the malachite ore is in the form of CuCO3⋅Cu(OH)2 Thus when malachite ore is added into ammonium acetate solution the re-actions occurring during the leaching process are pro-bably as follows CuCO3 Cu(OH)2 + 2H3O + → Cu Get Price

The World's 20 Largest Copper Mines

2019/11/25The world's 20 largest copper mines produce nearly 9 million metric tons of the precious metal a year about 40% of the world's total copper mine capacity Chile and Peru alone account for more than half of the copper mines on this list The U S makes the cut as Get Price

Copper Ore Conc Copper Manufacturers

manufacturers and suppliers of copper ore conc copper from around the world Panjiva uses over 30 international data sources to help you find qualified vendors of copper ore conc copper The companies listed above have not approved or sponsored Panjiva's Get Price

Copper

UPCAST technology enables the production of wire of various diameters (8-12 7-16-20-22-24-25 mm) and of wire from low-alloy copper with the addition of silver This installation includes a cathode charging system an induction melting furnace an induction casting furnace a casting machine with moulds and primary and secondary coolers for vertical casting along with 16 coiling machines Get Price

COPPER AND SELENIUM IN RAINWATER SOILS AND

COPPER AND SELENIUM IN RAINWATER SOILS AND ALFALFA FROM AGRICULTURAL ECOSYSTEMS OF VALPARAISO REGION CHILE I DE GREGORI 1 * G LOBOS 1 S LOBOS 1 H PINOCHET 1 M POTIN-GAUTIER 2 AND M ASTRUC 2 1 Instituto de Qumica Universidad Catlica de Valparaso Casilla 4059 Valparaso Chile Get Price

Use ore sorting equipment to concentrate ores and cut

Optical sorting and lasers are very well suited to the detection of ores with different colours such as copper oxide or crystalline structures in quartz By using ore sorting equipment ore concentrates can be created at very low cost in small or remote mining installations Get Price

INVESTIGATION OF THE USE OF AMMONIUM ACETATE AS AN

malachite ore The copper in the malachite ore is in the form of CuCO3⋅Cu(OH)2 Thus when malachite ore is added into ammonium acetate solution the re-actions occurring during the leaching process are pro-bably as follows CuCO3 Cu(OH)2 + 2H3O + → Cu Get Price

Treatment of Ore Mount Morgan

Advances in concentration techniques (froth flotation) had vastly increased the concentration ratio (now 22 1) making much lower grade ore now profitable In 1931 independent laboratory tests in Australia confirmed overseas tests that 87% of the copper and at least 75% of the gold could be recovered by froth flotation Get Price

Innovations Introduction to Copper Mining Extraction

El Teniente in Chile is the world's largest underground copper mine Open pit mining is employed when the orebodies are extensive low in grade and relatively near the surface where they can be quarried after removal of overburden Chile also boasts the world Get Price

1 1 PHASES OF A MINING PROJECT

6 Guidebook for Evaluating Mining Project EIAs 1 1 6 Beneficiation Although metallic ores contain elevated levels of metals they generate large quantities of waste For example the copper content of a good grade copper ore may be only one quarter of one Get Price

COPPER AND SELENIUM IN RAINWATER SOILS AND

COPPER AND SELENIUM IN RAINWATER SOILS AND ALFALFA FROM AGRICULTURAL ECOSYSTEMS OF VALPARAISO REGION CHILE I DE GREGORI 1 * G LOBOS 1 S LOBOS 1 H PINOCHET 1 M POTIN-GAUTIER 2 AND M ASTRUC 2 1 Instituto de Qumica Universidad Catlica de Valparaso Casilla 4059 Valparaso Chile Get Price

Bioleaching metal solubilization by microorganisms

Leaching of low-grade copper ore in air-lift percolators 5 1 2 Submerged leaching Because the oxygen supply is often inadequate and the surface ratio unfavorable percolator leaching is not very efficient fairly slow and series of experiments lasting 100–300 days are not unusual Get Price

1 1 PHASES OF A MINING PROJECT

6 Guidebook for Evaluating Mining Project EIAs 1 1 6 Beneficiation Although metallic ores contain elevated levels of metals they generate large quantities of waste For example the copper content of a good grade copper ore may be only one quarter of one Get Price

Copper

UPCAST technology enables the production of wire of various diameters (8-12 7-16-20-22-24-25 mm) and of wire from low-alloy copper with the addition of silver This installation includes a cathode charging system an induction melting furnace an induction casting furnace a casting machine with moulds and primary and secondary coolers for vertical casting along with 16 coiling machines Get Price

COPPER AND SELENIUM IN RAINWATER SOILS AND

COPPER AND SELENIUM IN RAINWATER SOILS AND ALFALFA FROM AGRICULTURAL ECOSYSTEMS OF VALPARAISO REGION CHILE I DE GREGORI 1 * G LOBOS 1 S LOBOS 1 H PINOCHET 1 M POTIN-GAUTIER 2 AND M ASTRUC 2 1 Instituto de Qumica Universidad Catlica de Valparaso Casilla 4059 Valparaso Chile Get Price

Copper Mining Using Acidothiobacillus

2011/7/23A study done on the copper solubilizing activity of At ferrooxidans strains isolated from a low-grade copper mine in Chile revealed that when grown in a chalcopyrite-containing medium a particular strain called D3-2 had a greatly enhanced solubilizing activity in Get Price