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A maximum recovery of copper was 88,58% while the grade was 2,88 with 32,29 copper oxide on the total massive copper under the flotation conditions: 1,15 pulp density, 10 …
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Lead cleaner-tail products were sent to the zinc circuit, and the zinc cleaner tails were combined with the final flotation tails for analyses. Since grade and recovery of lead were …
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As shown in the summary tables, copper was, on average, 63% recovered into the copper concentrate grading 24% copper. The recovery and grade of unwanted lead and zinc was very low when compared to the other …
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the rougher/scavenger flotation circuit consistently recovers 91% of the total copper sulphide minerals, with the greatest loss typically being from the >75µm and <7µm size fraction. the …
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Coarse copper metal was present in the flotation tails for this test suggesting the pre-flotation screen size was too coarse. Further optimisation of the grinding and flotation …
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Measure and Evaluate Flotation Scavenger and Cleaner Tail Losses; Effect of Regrinding; Evaluating Copper Flotation Cleaner Circuit Grade/Recovery Results; Copper …
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copper flotation tailings obtained from the mine have been reported to still contain 0.26wt% copper, which is larger than the economic grade (0.07%) for recovering single copper ele-ment …
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Measured and Indicated resources are 421.9 million tonnes ("Mt") at an average grade of 0.45% copper for a contained 4.2 billion pounds of copper. Exploration upside: The …
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Prediction of metallurgical responses during the flotation process is extremely vital to increase the process efficiency using a proper modeling approach. In this study, two new variants of the recurrent neural network …
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Three factors were measured in the flotation process of copper ore: the copper grade in a concentrate (β), the copper grade in tailings (ϑ), and the recovery of copper in a concentrate (ε).
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Konkola West Concentrator stockpile handles 55000 tonnes copper ore per day producing an average of 400 tonnes of concentrate. The grade of the concentrate is 36 to 40% TCu. ... of …
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The copper concentrate obtained from the flotation of tailings [30] was used as feed sample in this study.To achieve an excellent copper dissolution from the concentrate of …
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International Journal of Mineral Processing, 2009. Molybdenite flotation in the bulk copper/molybdenum flotation circuit at Kennecott Utah Copper was studied by means of a …
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The copper flotation circuit consisted of four OK 3 rougher and scavenger cells. Rougher concentrates went through two cleaning stages in OK 1.5 flotation cells. Flotation tailings were …
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In this fitting, the grade of copper in the floatable material (G Max) is 34% (this grade is very close to the grade of copper in Chalcopyrite mineral), the grade of copper in the …
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The average revenue was 129.3 million dollars. In the copper concentrate, the average grade was 27.3 % and the average recovery rate was 95.7 %, showing the best …
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Dual-chamber flotation machines are not new. Early forms of the modern dual-chamber pneumatic cells can be traced back to the early 1960s [].Their primary characteristic …
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The fallacy of this reasoning is not difficult to see since, by definition, percent recovery is a function of feed assay, tails, and concentrate grade. If copper tailing is constant, …
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Page: 2 The example will use the following design criteria from metallurgical testwork: Plant feed rate 10,000 tonnes/day of 0.5%Cu ore. Overall plant recovery of 90% by weight. Final …
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The present invention involves a method for separating copper sulfide from rimmed iron sulfide by flotation. Prior to flotation, a slurry containing the sulfides is oxidized and conditioned to …
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The results showed an optimum flotation condition at dosages of 80 g/t, 30 g/t, and 150 g/t of collector, frother, and dispersant respectively with copper recovery and grade of …
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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 …
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Copper Flotation Cleaner Grade – Recovery Results To facilitate the presentation of the modal data, the cleaner circuit of this case concentrator was separated into three …
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80% passing 150 µm, each ore type is subjected to flotation to recover the copper sulphide minerals (chalcopyrite, bornite, chalcocite, covellite). The Oxide float tails and a large …
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Hargraves Resources operates a gold copper mine at Brown's Creek, NSW, Australia. The mine treats 450,000 t/y of ore containing 5.6 g/t gold and 0.4 % copper, producing about 72,000 …
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form of water-based slurry) is transported to the flotation circuit where the copper sulfide ore minerals are concentrated and separated from the nonmineralized material by a series of …
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During the sampling survey, the average Cu grade of the flotation feed was 0.89 % and the concentrate grade was approximately 21 %. But the average Cu concentrate grade was …
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new high grade copper sulfide mine, which includes a 1.5 mtpa concentrator which was completed in 2013. early after commissioning, it was identified that the flotation capacity in the …
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The theoretical grade-recovery curve for an ore is a definition of the maximum expected recovery by flotation of a mineral or element at a given grade. This is defined by the surface area liberation of the value minerals …
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1) the plant processed 10 587 tons of CS in July. The copper grade of the concentrate ranged from 14,69% to 19,15% (16,92% on average) with a copper recovery of 73,93%. In August, 15 …
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