porphyry copper flotation circuit

Recovery of high-grade copper concentrate from sulfur-rich ...

Jul 01, 2021· A new environmentally friendly closed-circuit flotation process for a sulfur-rich porphyry ore was also designed in which tricarboxystarch was successfully implemented as a depressant. Obviously, the use of tricarboxystarch as a depressant significantly improved copper grade.

(PDF) Recovery of molybdenum and copper from porphyry ore ...

A copper–molybdenum iso-flotability flotation process has been developed to efficiently improve the recovery of molybdenite from Duobaoshan porphyry Cu–Mo ores. The effects of flotation ...

EFFECT OF PARTICLE SIZE AND LIBERATION ON FLOTATION …

Flotation plant "Veliki Krivelj" commi-ssioned in 1983, with selective rougher flotation of copper minerals from pyrite and gangue. In the rougher flotation stage three parallel lines of Denver DR 500 flotation cells were installed, and each row consists of 21 …

Coarse PartiCle Flotation

PARTICLE FLOTATION Developed in 1999 and later patented in 2002, ... Traditional Copper Sulﬁde Circuit Future Circuit with the HydroFloat™ Separator ... FROM A PORPHYRY COPPER TAILINGS STREAM T-Y a h n A 5-0 m 0-2 g g s 6 4 3-0 u T d-t o h D - t t g s …

Major Mines & Projects | Alumbrera Mine

The original plant uses a conventional porphyry copper flotation circuit with proven, large scale equipment. The plant produces three products, a copper flotation concentrate containing the major gold credit; doré bullion fromgravity recovery of coarser free gold and, since July 2008, a …

Size dependent gold deportment in the products of copper ...

Commercial porphyry copper ores usually contain copper grades between 0.5% and 2%1. Minor amounts of gold are often present in these orebodies2. The concentration of gold in 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 ...

Open vs. Closed Circuit Configurations for the Flotation ...

Circuit simulations conducted on a low-grade porphyry copper flotation circuit show that this approach can substantially increase the overall plant performance and throughput. The simulations are based on the results obtained from a series of bench-scale HHS tests, in which copper concentrates assaying 20-34 %Cu are readily obtained from a ...

Flotation behaviour of gold during processing of porphyry ...

Sep 01, 1997· The same copper recovery was obtained with this ore but there was a higher gold recovery with the bulk float circuit. 902 S. M. Bulatovic Flotation Feed CU-AU rougtw Cu-Au w4ivenger Regrind I St. cleaner Cu-AuTailing I St. cleaner 2nd cleaner 3rd clearber Cu-Au cleaner concentrate Fig.10 Conventional flowsheet Flotation Feed Bulk rougher ...

Chapter 6 Copper Production Technology

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-tion-electrowinning, the basic methods ...

HydroFloatTM Case Study: Copper Recovery from Tailings …

• Install a HydroFloatTM circuit to treat the full flotation tailings stream from Train 3 (T3) of the Concentrator 1 flotation circuit (~9Mtpa) • Primary objective to recover gold and copper previously lost to T3 tailings in coarse composite particles (+150 µm), …

A comparison of two flotation circuits

The present study used the recovery arrangement for two and three stage circuits to evaluate the effect of stage recovery on the overall circuit recovery and flotation circuit configuration.

Supertund A SOUTHAM BUSINESS PUBLICATION CANADIAN

A porphyry copper deposit which has undergone supergene alteration, the Afton orebody is 1,700 ft long in a west-northwest by east-southeast direction, 300 ft wide and dips at 55 degrees to the south. Average grade is ... circuit. Flotation consists of sixteen 600 cu ft

copper ore flotation plant widely froth flotation machines

copper ore flotation. mineral processing plant copper ore froth flotation machine Nov 07 20180183 32 Froth flotation can be adapted to a broad range of mineral separations as it is particularly useful for processing fine grained ores that are not amenable to Table 1 Grade recovery performance of a hypothetical copper ore flotation process

(PDF) CHARACTERISTICS OF MODERN COPPER FLOTATION …

CIRCUIT CHARACTERISTICS Winckers [14] describes the processing of the copper mineral deposits, with a general flotation circuit shown in Figure 3. As discussed previously, porphyry copper deposits tend to be processed through high tonnage flotation plants, often with several parallel banks of cells at each stage of flotation.

NEWCREST'S INDUSTRY FIRST APPLICATION ... - Eriez Flotation

Coarse flotation, Copper, Flotation, HydroFloatTM, Newcrest ... The Cadia East ore body is a low-grade porphyry style copper-gold-molybdenum deposit. Copper ... gangue-mineral composite particles as the primary driver for copper losses from the flotation circuit, accounting for over 75% of the contained copper grade in tailings.

Copper Sulfide Flotation - Mineral Processing & Metallurgy

Apr 13, 2016· Copper Sulfide Flotation Circuit. Beneficiation of Copper Sulfide by Flotation. Copper, due to the present world demand and price, is of foremost interest …

INVESTIGATION OF EFFECTIVE PARAMETERS FOR …

Flotation of porphyry copper–molybdenum ores (theoretical considerations) Molybdenite-bearing copper sulphide ores are typically beneficiated by froth flotation techniques in two stages. The first stage, commonly known as the copper circuit, produces a bulk copper sulphide molybdenum sulphide concentrate. The second stage

Copper Oxide Flotation - Mineral Processing & Metallurgy

Jul 25, 2013· 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.

A study of mechanisms affecting molybdenite recovery in a ...

Dec 08, 2009· Ametov et al. (2008) conducted a series of surveys at different porphyry copper flotation plants. In the operations investigated, the recovery of molybdenite in the rougher/scavengers of the bulk Cu/Mo flotation circuit was consistently lower than the recovery of copper sulphide, the difference ranging from about 2% to 12% (Ametov et al., 2008).

copper Archives - Mineral Processing & Metallurgy

Copper Flotation. Although basic porphyry copper flotation and metallurgy has remained virtually the same for many years, the processing equipment as well as design of the mills has continually been improved to increase production while reducing operating and maintenance costs. ... This molybdenum flotation circuit, based on 250-500 tons per 24 ...

HSC Sim® simulation model of the Assarel copper ﬂotation ...

0.32% Cu. The flotation process is performed in two stages – bulk sulfide flotation and selective copper flotation (Figure 1). The purpose of the bulk circuit is to assure high recovery of sulfide minerals. Rejection of gangue minerals is maintained at maximum possible level. All …

IMPROVEMENT OF PORPHYRY COPPER FLOTATION …

Selective circuit of molybdenite extraction involves hydro-carbons (oils or kerosene). Such reagents prevent ing sometimes. High-viscous oils used in flotation of porphyry copper allow molybdenite recovery from 80 to 90% [7–9]. It has earlier been found that reagents DMIPEC and DC-80 increase metal extraction in concentrates. In flo-

Effect of pyrite content of feed and configuration of ...

Mar 01, 2018· Reserve contains one billion tons of 0.70% copper and 0.03% molybdenum in average. Its flotation circuit is producing 50,000 tons copper concentrate per month with an average grade of 28–32% of copper in final recleaner banks. A schematic diagram of flotation circuit of Sarcheshmeh concentrator is presented in Fig. 1. Rougher flotation cells ...

The Society for Mining, Metallurgy & Exploration

Mar 01, 2021· Circuit simulations conducted on a low-grade porphyry copper flotation circuit show that this approach can substantially increase the overall plant performance and throughput. The simulations are based on the results obtained from a series of bench-scale HHS tests, in which copper concentrates assaying 20-34 %Cu are readily obtained from a ...

Model Discrimination in the Flotation of a Porphyry Copper ...

Numerous flotation models have been proposed in the literature. Thirteen of these have been applied to batch flotation data and evaluated with respect to one another using statistical techniques.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 ...

COPPER SUPER CONCENTRATE PRODUCTION …

centration circuit in lime—the bulk flotation content of CaO is 400– 50 mg/l, the scavenger flotation content of CaO is 700 mg/l. Then, Cu–Mo concentrate is sent to selective flota-tion, and Cu concentrate in that case becomes the middlings of the molybdenum flotation circuit. In the world, processing plants treating porphyry copper

A process mineralogy approach to study the efficiency of ...

Dec 03, 2020· Molybdenite is a sulfide mineral and is often found in copper-molybdenum porphyry deposits, which is processed as a by-product of copper during the …

Application of D-optimal design for optimizing copper ...

Keywords: copper, molybdenum, flotation, chemical reagents, D-optimal, optimization Introduction Although it seems that porphyry copper deposits are relatively simple, the geology of porphyry copper ores is almost complex and varies significantly within the ore body. Many copper sulphide ore deposits occur with molybdenum, mainly related to pyrite

Copper Flotation - Mineral Processing & Metallurgy

May 16, 2016· Although basic porphyry copper flotation and metallurgy has remained virtually the same for many years, the processing equipment as well as design of the mills has continually been improved to increase production while reducing operating and …

Improvement of porphyry copper flotation efficiency with ...

The article presents the research findings on potential enhancement of porphyry copper flotation efficiency at Erdenet processing plant, Mongolia, by means of improvement of reagent regime with addition of auxiliary collectors from tertiary acetylene alcohols class. Reagents DC-80 (2-methyl-3-butyn-2-ol) (CH3)2C(OH)–C≡ CH and DMIPEC (2,5-dimethylhexen-1-in-3-ol-5) …

Improving copper flotation recovery from a refractory ...

The concentration of the copper ore from porphyry copper ore was examined using N ... while the tailing of molybdenum circuit was treated by a copper flotation circuit to obtain a high recovery of ...

Estimated Water Requirements for the Conventional ...

3. Banks of rougher cells in the flotation circuit of the Sierrita copper porphyry mine, Arizona ..... 11 4. Photograph of the tailings storage facility for the Sierrita copper porphyry mine in Arizona..... 11 Tables 1. Engineering and operational parameters for a conventional copper flotation circuit with

(PDF) Effects of aluminosilicate minerals on copper ...

Effects of aluminosilicate minerals on copper–molybdenum flotation from Sarcheshmeh porphyry ores ... In many porphyry copper ores, various alumino- coating is the result of electrostatic forces. ..., is fed to ball mills in closed circuit with cyclones to produce 70% of and 15 g/ton of the frother MIBC were used in the ﬂotation tests. the ...

INVESTIGATION OF THE ELECTROCHEMICAL FACTORS …

Sarcheshmeh porphyry copper sulphide ore. Influence of pH, solid content, water type, aeration condition and type of steel ball on pulp Eh, dissolved oxygen concentration (DO), open circuit potential (OCP) and EDTA extractable iron percentage and subsequently their influence on copper flotation were investigated. The results indicated that the low

Open Circuit Flotation

Jan 17, 2019· Open Circuit Flotation. The use of open circuit flotation is common practice in porphyry copper ore concentrators and Australian copper concentrators and its use in other than copper concentrators is minimal a completely open flotation circuit is not used and it is general practice to have recirculation within the cleaner flotation stage.

porphyry copper flotation circuit

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