Copper Flotation Mineral Processing & Metallurgy

A Copper Flotation Flowsheet. Because the copper in this type of ore usually assays only plus or minus 1% copper, the porphyry copper operations must be relatively large in order to be commercial. The flowsheet in this study illustrates a typical 3,000 ton per day operation.

MEI Blog: Challenges in copper flotation

Sep 17, 2011· Until 1907 practically all the copper mined in the USA was from underground vein deposits, averaging 2.5% Cu, whereas flotation allowed the mining of porphyry deposits of only 0.6% grade. Nevertheless, the flotation of copper ores still presents challenges to the minerals engineer.

Copper Sulfide Flotation Mineral Processing & Metallurgy

Copper Sulfide Flotation Circuit. The pulp from the Conditioner is treated in a 10-cell “Sub-A” Flotation Machine and a 4-cell “Sub-A” Flotation machine. Sometimes conditioners are not provided; however, their use insures that reagents are thoroughly mixed into the pulp ahead of flotation. The Porphyry Copper Extraction Process

INVESTIGATION OF EFFECTIVE PARAMETERS FOR

porphyry copper flotation is generally controlled by pH. The presence of clay in the ore is the main reason for unstable froths and lowered frothing power. It has been shown that destabilization of frother takes place in the presence of ultrafine particles (Srdjan 2007). It is a common practice that during flotation of

Pyrite-Gold Recovery in Copper Rougher Flotation Tailings

pyrite associations are problematic in porphyry copper-gold flotation due to the requirement to minimise sulphur content (improve concentrate grade) in the final Cu concentrate. For example, in most Cu-Au flotation plants (i.e. Telfer gold mine, OK Tedi, liming Indonesia, etc.), in

A novel approach for preferential flotation recovery of

Fig. 1b has also been adopted by Dexing copper mine. While in the rougher flotation step, a selective collector thionocarbamate is used for preconcentration of copper and molybdenum from porphyry copper ores, which can reduce the influence of lime on the floatability of molybdenite and obtain relatively high overall recovery of molybdenite.

Effect of O-isobutyl-N-ethyl thionocarbamates on flotation

For each test, 1000 g of the porphyry copper ore was wet ground using a ball mill to 65 wt% passing 200 mesh. The slurry was transferred into the flotation cell while agitating at approximately 2000 rpm for 2 min. Flotation tests were performed in a 3L XFD Ⅳ flotation cell. The flotation flowsheet and corresponding conditions are shown in Fig. 2.

(PDF) A Review of the Flotation of Copper Minerals

Copper sulphide ores are normally f iner grained than porphyry copper ores and require A number of different collectors have been evaluated for oxide copper flotation without sulphidisation

What Makes for a Copper Porphyry Takeover Target

Major miners look to copper porphyry deposits for large-tonnage, low-cost operations. We take a look at what makes for a copper porphyry takeover target. Ask any economic geologist the most

AN INVESTIGATION OF COPPER RECOVERY FROM A

The flotation of a natural porphyry copper ore with bornite and malachite was investigated via fundamental work with pure minerals and a bench-scale testing regime. The processing of the test ore was problematic due to a mineral assemblage that caused prevalent slime generation.

Effect of clay slimes on copper, molybdenum flotation from

Request PDF Effect of clay slimes on copper, molybdenum flotation from porphyry ores The presence of clay adversely affects the floatability of copper and molybdenum during processing porphyry

Depression of pyrite in porphyry copper flotation

Depression of pyrite in porphyry copper flotation Ian Wark Research Institute Australian Research Council Special Research Centre For Particle and Material Interfaces M.

Types of Copper Deposits in the World INN

Porphyry copper mineral deposits are usually massive, with extraction taking place by open-pit mining. I believe that in the parlance of the copper industry, froth flotation is a means of

Porphyry copper deposit Wikipedia

Porphyry copper deposits are copper orebodies that are formed from hydrothermal fluids that originate from a voluminous magma chamber several kilometers below the deposit itself. Predating or associated with those fluids are vertical dikes of porphyritic intrusive rocks from which this deposit type derives its

Copper Flotation YouTube

Sep 12, 2012· This shows you the froth produced by flotation on a porphyry copper ore of about 1.5% Cu. You see the rougher flotation, the cleaner and scavenger circuit. It is a very small pilot plant small

Handbook of Flotation Reagents MESA

12.3 Flotation Properties of Individual Copper Minerals and Associated Sulfides .. 240 12.4 Flotation Practice in Beneficiation of Copper and Copper-Molybdenum Ores .. 244 12.4.1 Effect of grinding on metallurgy .. 245 12.4.2 Reagent schemes in flotation of porphyry copper and

Size dependent gold deportment in the products of copper

the majority of large-scale copper/gold ores is low, typically around 1-2 g/t3,4. Flotation is the principal method of pre-concentration for copper and gold5,6. Thus, porphyry copper ore concentrators are designed with the goal of maximizing copper recovery and grade; however, gold recovery as a by-product is also economically important7.

Chapter 6 Copper Production Technology

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

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.

A study on the effect of active pyrite on flotation of

Abstract: Active pyrite is one of the most undesirable phenomena in the flotation of porphyry copper ores. Misreported pyrite into copper concentrates decreased the grade and recovery of copper. In this study, the effective parameters on the flotation process including grinding condition and stone

Factors affecting the flotation recovery of molybdenite

abstract = "Investigations have been conducted to characterize the surface stone and flotation properties of molybdenite in aqueous environments typical of those that exist in the copper circuits of plants which process porphyry copper ores.

Batu Hijau mine Wikipedia

The Batu Hijau mine is an open pit copper-gold mine operated by PT. Amman Mineral Nusa Tenggara. The mine is located 1,530 kilometres (950 mi) east of the Indonesian capital Jakarta on Sumbawa, in southern Taliwang Regency, an island in West Nusa Tenggara.The mine is the result of a ten-year exploration and construction program based on a 1999 discovery of the porphyry copper deposit.

Increasing the grind size for effective liberation and

Increasing the grind size for effective liberation and flotation of a porphyry copper ore by microwave treatment A.R. Batchelor *, D.A. Jones, S. Plint, S.W. Kingman Faculty of Engineering, The University of Nottingham, University Park, Nottingham, NG7 2RD, United Kingdom * Corresponding author.

A study on the effect of active pyrite on flotation of

Abstract: Active pyrite is one of the most undesirable phenomena in the flotation of porphyry copper ores. Misreported pyrite into copper concentrates decreased the grade and recovery of copper. In this study, the effective parameters on the flotation process including grinding condition and stone

Factors affecting the flotation recovery of molybdenite

abstract = "Investigations have been conducted to characterize the surface stone and flotation properties of molybdenite in aqueous environments typical of those that exist in the copper circuits of plants which process porphyry copper ores.

Batu Hijau mine Wikipedia

The Batu Hijau mine is an open pit copper-gold mine operated by PT. Amman Mineral Nusa Tenggara. The mine is located 1,530 kilometres (950 mi) east of the Indonesian capital Jakarta on Sumbawa, in southern Taliwang Regency, an island in West Nusa Tenggara.The mine is the result of a ten-year exploration and construction program based on a 1999 discovery of the porphyry copper deposit.

Increasing the grind size for effective liberation and

Increasing the grind size for effective liberation and flotation of a porphyry copper ore by microwave treatment A.R. Batchelor *, D.A. Jones, S. Plint, S.W. Kingman Faculty of Engineering, The University of Nottingham, University Park, Nottingham, NG7 2RD, United Kingdom * Corresponding author.

The Influence of Textural Variation and Gangue Mineralogy

influence of textural variation and gangue mineralogy on recovery of copper by flotation from porphyry ore a review, in Proceedings The Second AusIMM International Geometallurgy Conference (GeoMet) 2013, pp 279-292 (The Australasian Institute of Mining and Metallurgy: Melbourne).

Copper Mining and Extraction Sulfide Ores

Volcanic copper deposits are called porphyry copper. Web search hints: Porphyry copper Nazca subduction Global volcanism smithsonian. Stage 2: Froth flotation The powdered ore is mixed with a special paraffin oil which makes the copper mineral particles water repellent. It is then fed into a bath of water containing a foaming agent

Major Mines & Projects La Arena Sulphide expansion Project

In the hypogene portions of copper porphyry deposits, the copper occurs predominantly as chalcopyrite; other important copper ore minerals may include bornite and enargite. Supergene copper mineralization is generally dominated by chalcocite and lesser covellite. Pyrite will be floated from the copper flotation tailing to mitigate acid

Flotation of Copper Sulfide Ores PDF Free Download

The literature classifies copper–gold ore as a porphyry copper ore [34]. Although some porphyry copper ores contain gold (San Manuel, USA) from a processing point of view, these ores cannot be classified as porphyry copper ores because they do not respond to flotation in the same way as porphyry copper ores.

Increasing the grind size for effective liberation and

Batchelor, A.R. and Jones, D.A. and Plint, S. and Kingman, S.W. (2016) Increasing the grind size for effective liberation and flotation of a porphyry copper ore by microwave treatment. Minerals Engineering, 94 . pp. 61-75. ISSN 0892-6875

Copper Mining and Processing: Processing of Copper Ores

Copper processing is a complicated process that begins with mining of the ore (less than 1% copper) and ends with sheets of 99.99% pure copper called cathodes, 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

Isolation and characterization of lost copper and

The importance of flotation separation has long been, and continues to be, an important technology for the mining industry, especially to metallurgical engineers. However, the flotation process is quite complex and expensive, in addition to being influenced by many variables. Understanding the variables affecting flotation efficiency and how valuable minerals are lost to the tailings gives

Model Discrimination in the Flotation of a Porphyry Copper

Flotation tests were carried out on samples of a US porphyry copper ore (Pinto Valley, AZ). The ore was tested using various collector and frother systems to produce different time-recovery profiles. These were used to calculate flotation rate and ultimate recovery parameters for each model.

Estimated Water Requirements for the Conventional

Estimated Water Requirements for the Conventional Flotation of Copper Ores . By Donald I. Bleiwas . Introduction . This report provides a perspective on the amount of water used by a conventional copper flotation plant, including the makeup water required to compensate for water losses. Much of the global

Preliminary Model of Porphyry Copper Deposits

Porphyry copper deposits result from the complex interactions and feedbacks of many processes. Owing to the complexity, a succinct definition that includes the essential attributes of this deposit class is elusive. Consequently, this descriptive model uses a working definition of a porphyry copper deposit.

Model Discrimination in the Flotation of a Porphyry Copper

Flotation tests were carried out on samples of a US porphyry copper ore (Pinto Valley, AZ). The ore was tested using various collector and frother systems to produce different time-recovery profiles. These were used to calculate flotation rate and ultimate recovery parameters for each model.

Estimated Water Requirements for the Conventional

Estimated Water Requirements for the Conventional Flotation of Copper Ores . By Donald I. Bleiwas . Introduction . This report provides a perspective on the amount of water used by a conventional copper flotation plant, including the makeup water required to compensate for water losses. Much of the global

Mineralogical and Metallurgical Examination of

Mineralogical and Metallurgical Examination of Fluorosilicate Mineral Flotation in the Ok Tedi Circuit L S Pang urn 1, D W Lauder2, E V Manlapig 1, I R Mackinnon3 and J W Glatthaar4 ABSTRACT The Ok Tedi copper orebody consists of porphyry and skarn orebodies.

Effect Of Clay Slimes On Copper, Molybdenum Flotation From

Effect Of Clay Slimes On Copper, Molybdenum Flotation From Porphyry Ores Export Citation × Citation (Style = APA) Bulatovic, S. (1999). The presence of clay adversely affects the floatability of copper and molybdenum during processing porphyry copper/molybdenum ores. In addition, reagent consumptions are much higher than when treating clay

Porphyry Copper Deposits in the Rockstone Research

Currently, new porphyry copper deposits are formed somewhere in the world beneath active volcanic territory. Size & Grades: Typically, porphyry copper deposits are low-grade yet being mined on a large scale via open-pits resulting in a processing of at least a few 100 million tons averaging mostly below 1% copper.

Porphyry copper deposit formation by sub-volcanic sulphur

Porphyry copper deposits—the primary source of the world’s copper—are a consequence of the degassing of intrusion complexes in magmatic arcs associated with ancient subduction zones 1,2.They

bornitic ore copper flotation difficulties

bornitic ore copper flotation difficulties BINQ Mining 4.75·Ł.1K ratingsMar 23, 2013· Bornite flotation Crusher,crusher solution,crusher application Bornite flotation. Bornite is in many porphyry copper operations that have a complex >>Chats Online.

(PDF) CHARACTERISTICS OF MODERN COPPER FLOTATION

This methodology has been utilised in many copper flotation plants around the world with some notable similarity of trends observed. The floatability of the porphyry ores could be characterised by two parameters, denoted as ‘fast floating’ and ‘slow floating’ with similar magnitudes.

Benchmarking Performance of the Two- Copper Sulfide

for a number of porphyry copper ores (Bulatovic, 2007). This curve shows empirically that the recovery in classical mechanical tank flotation exhibits a kind of pass-band behavior with respect to particle size. Flotation is effective in the middle decade, but decays quickly

Major Mines & Projects Quebradona Project

The ore can be treated by a typical porphyry copper flotation circuit producing a copper/gold concentrate. The concentrate is clean and free of deleterious elements which would attract smelter penalties. The processing circuit includes primary crushing underground, secondary crushing, high pressure grinding rolls, ball milling, rougher

Mine Tales: Miami's Inspiration Mine once supplied nearly

Dec 09, 2019· One of the most prominent mining properties among the many porphyry copper ore deposits in the Globe-Miami Mining district is The Inspiration Mine boasted the first flotation mill in

News Releases Los Andes Copper Ltd.

Vancouver, BC Los Andes Copper Ltd. (“Los Andes”, or the “Company”, TSX Venture Exchange: LA) is pleased to announce the results of an updated Preliminary Economic Assessment (PEA) for its 100%-owned Vizcachitas Project, a copper-molybdenum porphyry deposit located in central Chile, approximately 150 km northeast from Santiago.

Copper beneficiation process Yantai Jinpeng Mining

Copper ore divides into ore sulfide ,ore oxide and mixing ore according to its oxide rate . The main process for copper ore is flotation,for refractory mixed copper ore and refractory oxide ore,normally use hydrometallurgy process .It is a high technological enterprise that integrated research,manufacture, sales and service . The company has multiple subsidiaries such as Mineral

Porphyry copper mineral processing process-Ore

Porphyry copper ore beneficiation: Copper flotation using compared commonly simple copper ore dressing process, after primary grinding, fineness of 200 mesh accounted for about 50% to 70%, one roughing and 2-3 times selection, 1 2 times scavenging.