flotation of copper sulfide ores
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- flotation of copper sulfide ores
In copper processing, is typically used with copper sulfide ores, and involves froth flotation, thickening, smelting, and electrolysis. reclamation: In mining, the process of restoring land that has been mined to a more natural or economically usable state.
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Copper sulfide ores must be concentrated before they can be economically transported and smelted. The universal technique for this concentration is froth flotation of finely ground ore. Froth flotation entails attaching fine Cu-sulfide mineral particles to bubbles and floating them out of a water–ore mixture.
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This paper presents both the fundamentals of sulphide mineral flotation and the practical aspects of sulphide ore flotation. The fundamental aspects of the flotation of sulphide minerals both in the absence and …
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Chapter 12 Flotation of Copper Sulfide Ores. 235: Chapter 13 Flotation of CopperZinc Ores. 295: Chapter 14 Flotation of LeadZinc Ores. 323: Chapter 15 Flotation of CopperLeadZinc Ores. 367: Chapter 16 Flotation of Nickel and NickelCopper Ores. 401: Subject Index. 443: Chapter 9 Interaction of Organic Regulating Reagents. 185:
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Preferential flotation of copper sulfide ore beneficaition For the disseminated copper-sulfur ore, the preferential flotation process is adopted, and the sulphur in the tailings must be re-floated. To reduce the …
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Flotation experiments and chemical reagents The flotation kinetic behavior of chalcopyrite, pyrite and Materials and methods molybdenite (in an elevated-pyritic copper complex ore) and In this research, two ore types were utilized to analyze the apatite, dolomite and silicate (in a high-grade carbonaceous flotation kinetic models for either ...
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As ore grades constantly decline, more copper tailings, which still contain a considerable amount of unrecovered copper, are expected to be produced as a byproduct of froth flotation. This research reveals the occurrence mechanism of copper minerals in typical copper sulfide tailings using quantitative mineral liberation analysis (MLA) …
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The copper flotation tailings were cyanided for 4 hours; 28.9 percent of the total gold and 35.8 percent, of the total silver were extracted, giving overall recoveries of 91.2 percent of the Gold and 97.0 percent of the silver. Cyanide consumption was 4.7 pounds per ton of original ore.
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For copper ores with oxidation rates of up to 94%, flotation tests have been performed by sulfidization-xanthate flotation, 2,5-dithiol-1,3,4-thiodiazole flotation, and sulfidization-2,5-dithiol-1,3,4 thiodiazole–xanthate flotation.
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The recovery of these copper minerals by flotation or hydrometallurgy from ores, typically containing 0.5%TCu (open pit …
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Flotation is a process of separating fine particles of different minerals from each other by lifting creation minerals at or on a water surface. For this test, 355.8 g of …
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Copper sulfide ore, which accounts for 80% of the copper resource, is the major source for the metallic copper [1]. The major copper sulfide ores contain chalcopyrite (CuFeS 2), bornite (Cu 5 FeS 4), covellite (CuS), and chalcocite (Cu 2 S). The concentrates of copper from sulfides ores are generally performed by flotation and then processed by ...
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12 - Flotation of Copper Sulfide Ores. Pages. 235-293. Publisher Summary. Flotation properties of individual copper minerals and associated sulfides from natural ores differ significantly. The mineralogy of the ore mineral impurities in a crystal structure, variation in crystal structure, other interfering gangue minerals, and the liberation ...
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As is seen from Table 3, tennantite floated with butyl xanthate has the lowest Beloglazov flotation rate constant.The use of soda increases the flotoactivity of tennantite, which is consistent with research data [].It is known that soda medium promotes the active flotation of pyrite; during flotation of copper-bearing sulphide …
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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. In general most operations of this type have two or more …
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Probably more than any other aspect, xanthate entrenched froth flotation's role in the utilization of the world's natural mineral resources. Sulfide minerals are the largest of the groups of minerals floated. Today, more than a billion tons of sulfide ores are concentrated annually throughout the world with this technology.
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Copper sulfide ores must be concentrated before they can be economically transported to a smelter. Froth flotation is part of a copper beneficiation process in which finely ground …
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Flotation is a common mineral processing method used to upgrade copper sulfide ores; in this method, copper sulfide mineral particles are concentrated in froth, …
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Complex and non-sulfide lead–zinc ores are difficult to concentrate, but the growing demand for lead and zinc metals necessitated their beneficiation. Froth flotation is practically the most effective method in their beneficiation when optimum flotation conditions are attained. The aim of the current study is to use process mineralogy as a …
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The flotation of two types of complex nickel–copper sulfide ores was examined to emphasize the differences in behavior of pentlandite at the pH 10 using lime versus soda ash. One sample was typical of the Sudbury region and …
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Selective flotation of sulphide minerals from complex ore is dependent on the several parameters such as: type and dosage of collectors, galvanic interactions and activation by dissolved ions 5,6 ...
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The flotation by surface sulphidisation of the oxidized copper-cobalt-bearing ore from Kimpe (1.97% Cu; 0.66% Co) was studied in order to evaluate its behavior by the analysis of its most ...
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During flotation, the following reagents were used: sodium sulfide (Na 2 S) for sulfidization of minerals, zinc sulfate (ZnSO 4 *7H 2 O) and sodium cyanide (NaCN) for depression of zinc minerals and pyrite. Sodium butyl xanthate (C 4 H 9 OS 2 Na) is used as a collector; oxal T-92 (CH 3 CHOHCH 3) is used as a frother.Before each flotation run, …
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Direct flotation of copper oxide ores has been extensively studied. ... The addition of ammonium salts is an effective way for enhanced sulfidation on the sulfide-xanthate flotation of copper ...
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The copper ore in Chilean copper porphyry deposits is often associated with molybdenum minerals. This copper–molybdenum (Cu–Mo) sulfide ore is generally mined from various locations in the mining site; thus, the mineral composition, oxidation degree, mineral particle size, and grade vary. Therefore, in the mining operation, it is common to …
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This means that 95.7% of the copper present in the ore was recovered in the concentrate, while the rest was lost in the tailings. (c) The % Cu Loss can be calculated by subtracting the % Cu Recovery from : % Cu Loss = 100 – 95.7 = 4.3% This means that 4.3% of the copper present in the ore was lost in the tailings.
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1 Types of copper sulfide ore. (1) Single copper mineral Its ore characteristic is relatively simple, and the only useful component that can be recycled is copper. The gangue minerals are mainly quartz, carbonate and silicate. (2) Copper-sulfur ore Called copper-bearing pyrite. In addition to copper minerals, iron sulfide can be recovered, …
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A Flowsheet to recovery gold from sulfide ores. There are many arrangements and combinations using flotation in conjunction with treatment of gold ores. The two gold process flowsheets shown, with …
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Through flotation of Copper-Nickel Sulfide Ores, the copper-nickel mixed concentrate with copper grade of 4.43% and recovery of 88.18% is obtained. In the pH range of 2–12, the surface of ...
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Our FLOTANOL™ frothers are customized to help you achieve the right froth to maximize recovery of coarse or fine materials, and our FLOTICOR™ additives can handle difficult ores with high viscosity pulps or undesirable contaminants. FLOTICOR™ DP sulfide depressants are efficient NaSH replacements to depress copper in the flotation of ...
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As ore grades constantly decline, more copper tailings, which still contain a considerable amount of unrecovered copper, are expected to be produced as a …
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