telfer copper concentrate particle size

Operating strategies to maximise gold recovery at Telfer

Under the current operating strategies i.e. relatively fine primary grind size, copper/pyrite sequential flotation and allowance of partial pyrite recovery into the copper concentrate, Telfer achieved a copper recovery of 91.5% and a gold recovery of 90.7% at a head grade of 0.28% copper and 1.4 g/t gold in Train 1 during the first 6 months of

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.

Influence of Ferric and Ferrous Iron on Chemical and

of copper and iron from flotation concentrates including both primary and secondary copper sulfides has not been well studied as yet. Hence, this research was done to in-vestigate the effect of these cations on chemical and bac-terial leaching of Sarcheshmeh copper concentrate in the presence and absence of mixed cultures of moderately

Evolution of Size and Chemical Composition of Copper

An experimental study was conducted to elucidate the evolution of size and chemical composition of La Caridad copper concentrate particles during oxidation under simulated flash smelting conditions. Input variables tested included particle size and oxygen concentration in the process gas.

Evolution of Size and Chemical Composition of Copper

pension is very dilute, and thus particle–particle colli-sions during flight are negligible. So far, few studies have addressed the size changes experienced by copper concentrate particles during oxidation under flash smelting conditions. The first documented work on this subject was due to Jorgensen[9] who measured the size

uniform particle size simple structure fine jaw crusher

PE150*250 Jaw crusher has high crushing ratio, uniform particle size, simple structure, reliable performance, easy maintenance and economic operation.And it is mainly used in the industries of metallurgy, mining, chemical, cement, construction, refractory materials and ceramics, suitable to crush hard and soft ores with compressive strength

particle size of copper concentrate

Copper concentrate is a flotation product with fine particle size. The copper concentrate, which is close to dry, and it is easy to be lost in the process of storage and transportation, however, it is not suitable for ocean transportation, so the copper concentrate is often kept about 10% moisture in the production process.

Sulphuric acid leaching of zinc and copper from Nigerian

Effect of particle size The effect of particle size on the dissolution of zinc and copper from the complex ore was studied using three different particle sizes ( passing 75, 106 -75 and 150-106 µm). The results shown in Figures 1 and 2 revealed that the leaching efficiencies of zinc and copper increased with a decrease in particle size

particle size of copper concentrate

Copper concentrate is a flotation product with fine particle size. The copper concentrate, which is close to dry, and it is easy to be lost in the process of storage and transportation, however, it is not suitable for ocean transportation, so the copper concentrate is often kept about 10% moisture in the production process. Read More

Size by Size Particle Size Distribution Profile

Size by Size Particle Size Distribution Profile & Flotation Recovery Results Previous Next The unseen factors in flotation are those which affect the economic recovery and

Operating strategies to maximise gold recovery at Telfer

Under the current operating strategies i.e. relatively fine primary grind size, copper/pyrite sequential flotation and allowance of partial pyrite recovery into the copper concentrate, Telfer achieved a copper recovery of 91.5% and a gold recovery of 90.7% at a head grade of 0.28% copper and 1.4 g/t gold in Train 1 during the first 6 months of

Production and Properties of Copper and Copper Alloy Powders

In this method, oxides including mill scale are first ground to control particle size and then reduced by a gas, usually carbon monoxide, hydrogen or cracked natural gas at temperatures below the melting point of copper. Particle size and shape can be controlled within rather wide limits by varying the particle size and shape of the oxides, the

telfer copper concentrate particle size

the plant historical copper concentrate grade data showed that a large portion of liberated, non-sulfide non- floating gangue material was being recovered to the copper concentrate via entrainment. particle size and mineralogical data for January 2014 were collected from the plant and reported by als, (als Quantitative automated

particle size d10 d50 d90 p80BINQ Mining

Mar 02, 2013 · Why the particle size results are varied between two different . Why the particle size results are varied between two different make particle size application of Mie theory calculations start to affect the D10, D50, and D90 values. »More detailed

Effects of Collectors and Frothers on Copper and

size range [1]. Outside this range, the particle recovery decreases progressively. There are a few factors that affect the flotation of coarse particles. The environ-How to cite this paper Feo, T.D. and Lastra, R. (2019) Effects of Collectors and Frothers on Copper and Molybdenum Coarse Particle Recoveries—A Statistical Approach.

A study on the effect of active pyrite on flotation of

Flotation of copper sulphides is a traditional technique for processing the sulphide copper. The presence of pyrite in copper concentrates (especially the pyrite particles that are surrounded with the chalcopyrite) is the most important problem of copper ore processing that leads to a decrease in the quality and grade of concentrate.

Copper Concentratean overview ScienceDirect Topics

4.3 Roasting of Copper Concentrate. One of the drawbacks of matte smelting is the production of large quantities of SO 2 that must be disposed of. One way to avoid this is to roast copper concentrate in the presence of lime or limestone, which captures the sulfur as CaS or CaSO 4. The aim is to produce metallic copper as one of the products

Copper Concentrate Powder at Rs 7900 /ton Copper Powders

Established in the year 2018 at Ahmedabad (Gujarat, India), we "Lisfati Exports" are engaged in Wholesale Supplier and exporter an excellent quality range of Ferro Titanium, Graphite Stone, etc. We are a Sole Proprietorship firm and we source products from the reliable market vendors, which can be availed from us at reasonable prices. Under the guidance of "Shakin Kalyani" (Proprietor

Effect of regrinding conditions on pyrite flotation in the

Dec 10, 2013 · Read "Effect of regrinding conditions on pyrite flotation in the presence of copper ions, International Journal of Mineral Processing" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

A study on the effect of active pyrite on flotation of

Flotation of copper sulphides is a traditional technique for processing the sulphide copper. The presence of pyrite in copper concentrates (especially the pyrite particles that are surrounded with the chalcopyrite) is the most important problem of copper ore processing that leads to a decrease in the quality and grade of concentrate.

Size by Size Particle Size Distribution Profile

Size by Size Particle Size Distribution Profile & Flotation Recovery Results Previous Next The unseen factors in flotation are those which affect the economic recovery and

particle size of copper concentratethomas-zepter

MEASUREMENT OF FLAME SPEED IN COPPER CONCENTRATE. Additionally it is quite different in terms of the adiabatic flame temperature volatile matter stoichiometry and particle size compared to the other fuel dust Indeed copper concentrate has generally less than 8

Evolution of Size and Chemical Composition of Copper

An experimental study was conducted to elucidate the evolution of size and chemical composition of La Caridad copper concentrate particles during oxidation under simulated flash smelting conditions. Input variables tested included particle size and oxygen concentration in the process gas.

COPPER Copper productionTU Delft

Various sensors for particle size, pH, density, and other properties are installed. Figure 4 gives an overview of a typical beneficiation process at a concentrator. In the first flotation stage, as much copper as possible is recovered in a rougher concentrate so that as little as possible goes to the tailings. To increase the copper recovery

(PDF) EVOLUTION OF SIZE DISTRIBUTION OF COPPER CONCENTRATE

Experiments were conducted to investigate the effects of the initial particle size and oxygen concentration in the process gas on the size distribution of copper concentrate particles oxidized

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.

Separation of Copper from Electric Cable Waste Based on

The effect of particle size was also analysed. Jigging and shaking table proved to be effective in the separation of copper from plastics. The result was a copper concentrate with a copper grade of about 97% by both methods and a copper recovery of about 97%. Jigging separation had similar

ATMOSPHERIC LEACHING OF ENARGITE IN IRON SULFATE

Particle size distributions for enargite samples used in the leaching of deleterious impurities in copper concentrates makes their treatment in smelters difficult and costly since it requires the addition of several steps for removal and safe disposal of them. One of the most problematic elements of this kind is

CHEMICAL COMPOSITION AND DUST GENERATION OF

particle size and oxygen concentration in the process gas on the chemical characteristics, morphology and mineralogy of copper concentrate particles during oxidation in a laboratory-scale laminar

ISO 12743 2006(en), Copper, lead, zinc and nickel

This International Standard sets out the basic methods for sampling copper, lead, zinc and nickel concentrates from moving streams and stationary lots, including stopped-belt sampling, to provide samples for chemical analysis, physical testing and determination of moisture content, in accordance with the relevant International Standards.

The Effect of Sulfurization Process on Flotation of Copper

The effect of the parameters such as pH, pulp density, particle size and collector amount were investigated. KAX was used as collector and Dow-250 was used as frother. Key Words Sulfurization, flotation, copper, gold, silver 1. INTRODUCTION Flotation has been utilized in the mineral processing industry to concentrate base

Analysis of the Effects of Grind Size on Production of

grind size of the ore can have on copper concentrate production during flotation process. Therefore this research was more focused on determining whether the size distribution of the ore after comminution would cause significant impact on copper ore response in the floatation process. Comminution

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.

Operating strategies to maximise gold recovery at Telfer

Under the current operating strategies i.e. relatively fine primary grind size, copper/pyrite sequential flotation and allowance of partial pyrite recovery into the copper concentrate, Telfer achieved a copper recovery of 91.5% and a gold recovery of 90.7% at a head grade of 0.28% copper and 1.4 g/t gold in Train 1 during the first 6 months of

Analysis of the Effects of Grind Size on Production of

grind size of the ore can have on copper concentrate production during flotation process. Therefore this research was more focused on determining whether the size distribution of the ore after comminution would cause significant impact on copper ore response in the floatation process. Comminution

Kinetics of chalcopyrite galvanic leaching using sulfate

maximum copper recovery in low temperature was achieved after 24 hours, under the following condition stirring speed of 800rpm, pyrite to chalcopyrite ratio of 4, solution potential of 440mV, temperature of 50°C, and particle size of -38 microns.

particle size of copper concentrateATMANDU Heavy Machinery

Copper Concentrate Vale. Physical Data Particle size The 80 passing size of fresh Copper Concentrate is expected to be 30µm based on pilot plant results ranging from 15 to 50 µm The Copper Concentrate is expected to age and oxidize during storage thus forming agglomerates and lumps

Knelson ConcentratorMetallurgist & Mineral Processing

The Knelson Concentrator is a compact hatch centrifugal separator with an active fluidized bed to capture heavy minerals. A centrifugal force up to 60 times that of gravity acts on the particles, trapping denser particles in a series of rings (riffles) located in the