12.3 Primary Copper Smelting

Pine oils, cresylic acid, and long-chain alcohols are used for the flotation of copper ores. The flotation concentrates are then dewatered by clarification and filtration, resulting in 10 to 15 percent water, 25 percent sulfur, 25 percent iron, and varying quantities of arsenic, antimony, bismuth, cadmium,

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 ...

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Effect of iron content in sphalerite on flotation | A ...

Effect of iron content in sphalerite on flotation. Authors. ... (0.5, 2, 4 and 8 min) and copper and iron, and the relative amounts of ZnS and (Zn, Fe)S sulphate concentration (from left to right: 1000, 2000 and 3000 g/t) in in each of the size fractions determined. ...

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60 Centuries of Copper: The Flotation Process

The Flotation Process. Until quite recently copper ore had to be hand-picked if the extraction of the metal was to be economical. In fact, in the last century, ores of 4 …

1 Froth Flotation – Fundamental Principles

After carrying out a froth flotation separation, the products are as shown in Table 1. Using this data, calculate: (a) Ratio of concentration (b) % Metal Recovery (c) % Metal Loss (d) % Weight Recovery, or % Yield (e) Enrichment Ratio Table 1: Grade/recovery performance of a hypothetical copper ore flotation …

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Copper Sulfide Flotation - Mineral Processing & Metallurgy

A complete copper-iron separation may not always be essential for the maximum economic recovery and often is tied to the distribution of the gold and silver values. Flowsheet for treatment of Copper Sulfide ores rich in ... Copper Sulfide Flotation Circuit.

Copper Mining and Processing: Processing of Copper Ores ...

Copper processing is a complicated process that begins with mining of the ore ... froth flotation, 2) thickening, 3) smelting, and 4) electrolysis. ... a mixture of copper, sulfur and iron, and slag, a dense, glassy material made of iron, silica, and other impurities. ...

Copper-Zinc ores - Danafloat - Home

The copper flotation tailings are the feed to the sphalerite flotation circuit where the zinc minerals are floated as explained in the lead-zinc flotation section. Sphalerite is first activated with CuSO4 and floated typically at elevated pH for iron sulphide depression.

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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 ... The construction of the furnace is basically related to that of the iron blast furnace, but there are considerable differences in design, especially in size and shape: ...

Froth flotation - Wikipedia

Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic. This is used in mineral processing, paper recycling and waste-water treatment industries. Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century. ... Copper-Lead-Zinc-Iron ...

Lead-Zinc ores - Danafloat - Home

The established lead-zinc ore flotation processing scheme is to add zinc sulphate (ZnSO4) to the grind to control metal ion activation (sphalerite depression). Often metabisulphide or other sulphidation chemicals are added with the zinc sulphate for iron sulphide mineral depression.

Copper extraction - Wikipedia

Copper extraction refers to the methods used to obtaining copper from its ores. The conversion of copper consists of a series of chemical, physical, and electrochemical processes. ... froth flotation is not used to concentrate copper oxide ores, ... etc. The product of this smelting stage is a mixture of copper, iron and sulfur that is enriched ...

Froth Flotation Process - Mineral Processing & Metallurgy

FROTH FLOTATION "So many variables influence flotation that it will be long before every one of them can be investigated and its influence on the process determined." The froth flotation process was patented by E. L.Sulman, H. F. K. Pickard, and John Ballot in 1906, 19 years after the first cyanide process patents of MacArthur and the Forests.

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Flotation of Nickel-Copper Sulphide Ore: Optimisation of ...

optimum conditions for the flotation of nickel, copper and cobalt from a nickel-copper sulphide ore. The parameters investigated include collector dosage, percentage solids, depressant dosage and pH. ... parameters for the flotation of base metals from a nickel-copper sulphide ore. …

Flotation Preconcentration of Copper and Iron by cobalt ...

Flotation Preconcentration of Copper and Iron by Cobalt(III) Tetramethylenedithiocarbamate...189 General Procedure The first step of the recommended procedure is the

Froth Flotation of Iron Ores - sapub

The flotation of iron ore started with the direct flotation of iron oxides using anionic collectors, but was latter largely replaced by reverse cationic flotation which has become the most widely used flotation route in the iron ore industry.

RECOVERY OF COPPER FROM COPPER SLAG AND COPPER …

Copper extractions from the copper smelter slag and the copper smelter slag flotation tailings as a function of time at different initial ferric iron concentrations By comparing Figure 2 and 4, it can be seen that both the copper extractions and

Development of copper recovery process from flotation ...

The effect of pulp density on copper and iron HPL from the concentrate of flotation tailings was investigated under the following conditions: H 2 SO 4 concentration of 0 M and a total pressure of 2.0 MPa at a temperature of 180 °C for 60 min, while varying the pulp density in a range of 100–400 g/L.

Improving copper flotation recovery from a refractory ...

The bench-scale flotation tests were performed in XFD-63 flotation cell (self aeration) whose volume for rougher flotation was 3.0 dm 3, for separation flotation of copper/iron sulfide minerals was 1.0 dm 3 and for cleaner flotation was 0.5 dm 3, respectively.

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