Copper O Ide Ore Pyrometallurgy

Review of copper pyrometallurgical practice: today and The pyrometallurgical processing of copper varies worldwide with respect to the charge materials, proces Copper O Ide Ore Pyrometallurgy

Copper O Ide Ore Pyrometallurgy

Review of copper pyrometallurgical practice: today and

The pyrometallurgical processing of copper varies worldwide with respect to the charge materials, process, operating parameters, and the physical shape, size, and orientation of the vessel Plant operations may be either batch, semicontinuous, or fully continuous to produce blister copper or other end productExtraction of copper from sufidic ores, either by pyrometallurgy or hydrometallurgy, has various limitations In this study, a solvometallurgical process for the extraction of copper from sulfidic ore minerals (chalcopyrite, bornite, chalcocite and digenite) wasSolvometallurgical process for extraction of copper fromIn carrying out the process modelling, the ore feed rate was assumed to be 1000 t/h (Stream 1 in Figures 46) with the mineral composition of this stream given in Table 1 This typical ore composition corresponds to a copper grade of 10% and an arsenic content of 002% (200 ppm) Assumptions made for all flowsheets are shown in Table 2 Table 1A TECHNOECONOMIC COMPARISON OF

Copper: smelting, producing and classificationMetalpedia

Copper: smelting and classification; The smelting of copper; Copper that is mined from copper ore, after beneficiation, becomes high quality copper concentrate Then, after being smelted, refined copper and copper products are yielded There are two ways of smelting copper, one is pyrometallurgy, the other hydrometallurgicalExtraction of copper from sufidic ores, either by pyrometallurgy or hydrometallurgy, has various limitations In this study, a solvometallurgical process for the extraction of copper from sulfidic ore minerals (chalcopyrite, bornite, chalcocite and digenite) was developed by using an organic lixiviant (FeCl 3 as oxiSolvometallurgical process for extraction of copper fromIn the converter slag, the copper content is higher, may reach 2–15% The copper exists in forms of dissolved Cu 2 S, entrained droplets of matte, white metal, Cu 2 O, and blister copper The high oxygen potential in converter operation results in the formation of Fe 3 O 4 in the slagforming stage, and formation of Cu 2 O at the end ofPyrometallurgical Process an overview | ScienceDirect

Pyro Versus Hydrometallurgy or Dry Versus Wet Methods

O Electorysis Zn 2 + + 2e → Zn SO 4 2 + H 2 O → H 2 SO 4 + O 2 + 2eCopper Matt formation versus Pressure leaching Matte Formation: Copper sulfide concentrate is melted in a flash smelting furnace (Figure 10) to produce matte This must be treated further in a converter (Figure 11) to remove the iron then to produce blister copper forThe copper is extracted from sulphide ore by pyrometallurgy which involves reduction of the concentrated ore at high temperature This process is a dry process In this process, the sulphide ore is concentrated by froth floatation process In this process, the sulphide orePyrometallurgical method used for the extraction ofO 3 Copper ore 175 675 15 Copper concentrate 35 25 40 Iron ore 20 80 SlagCopper ore Matte Reverberatory furnace Flux: CaCO 3 Iron ore Copper concentrate Iron ore (80% Fe Slag 35% SiO 20% 45% Reaction: CaCO 3 = CaO + CO 2 Calculate the quantities of concentrate, iron ore and flux in order to smelt 1000 kg ofCharge Calculations in Pyrometallurgical Processes

Chapter 6 Copper Production Technology

mans found nearly 100 lensshaped ore bodies in the Rio Tinto copper district Modern geologists have found only a few additional deposits, and almost all of Rio Tinto’s modern production has been from ore first discovered by the Remans3 At Rio Tinto, the Remans mined the upper, oxidized, part of the ore and collected the copperExtraction of copper from sufidic ores, either by pyrometallurgy or hydrometallurgy, has various limitations In this study, a solvometallurgical process for the extraction of copper from sulfidic ore minerals (chalcopyrite, bornite, chalcocite andSolvometallurgical process for extraction of copper fromCopper: smelting and classification; The smelting of copper; Copper that is mined from copper ore, after beneficiation, becomes high quality copper concentrate Then, after being smelted, refined copper and copper products are yielded There are two ways of smelting copper, one is pyrometallurgy, the other hydrometallurgicalCopper: smelting, producing and classificationMetalpedia

Solvometallurgical process for extraction of copper from

Extraction of copper from sufidic ores, either by pyrometallurgy or hydrometallurgy, has various limitations In this study, a solvometallurgical process for the extraction of copper from sulfidic ore minerals (chalcopyrite, bornite, chalcocite and digenite) was developed by using an organic lixiviant (FeCl 3 as oxiIn carrying out the process modelling, the ore feed rate was assumed to be 1000 t/h (Stream 1 in Figures 46) with the mineral composition of this stream given in Table 1 This typical ore composition corresponds to a copper grade of 10% and an arsenic content of 002% (200 ppm) Assumptions made for all flowsheets are shown in Table 2 Table 1A TECHNOECONOMIC COMPARISON OFCopper oxide is mainly used to make rayon, ceramics, glaze and enamel, batteries, petroleum desulfurizes, pesticides, and also for hydrogen production, catalysts, and green glass Cuprous oxide CuO is produced on a large scale by pyrometallurgy, which is a stage of extracting copper from oreHigh Purity Copper Oxide CuO powder CAS ,

Extraction Of Copper | Mining, Concentration, Smelting

Copper Smelting means that the concentrated ore is heated strongly with silicon dioxide (silica), calcium carbonate (CaCO 3) and air in a furnace The major steps in the extraction of copper are Copper in Chalcopyrite is reduced to copper sulphide JustConversion of matte to metallic copper in a side blown converter Oxidation of FeS to FeO to form slag Conversion of Cu2S to Cu Cu,5111 +o, (0) 2Cu (I) SO2 (g) Matte Smelting of Cu Copper Ore blister Cu 14 Chalcopyrite (CuFeS2) Sulphides of metal such Fe, Pb, Zn and silicates Matte smelting in a reverberatory CompOuent's Copper matte [wt16]I PRINCIPLES OF EXTRACTIVE METALLURGYhave no effect on extraction of copper and iron from the calcine in the range of 30 to 85 oC Keywords: copper, slag, sulphation, roasting, acid baking, leaching Introduction The environmental burden of waste disposal and decreasing metal ore grades make a strong case for implementation of alternative processes for metal recovery and metalRECOVERY OF COPPER FROM SMELTING SLAG BY

(PDF) Potential of copper alloys to kill bacteria and

h a v e s hown that a w ide variety of bacter i a, demonstrat ed abili t y o f copper a ll oys to kill profes s ional s w h o are m ore aware o f the Pyrometallurgy The branch of extractive metallurgy in which processes employing chemical reactions at elevated temperatures are used to extract metals from raw materials, such as ores and concentrates, and to treat recycled scrap metal For metal production, the pyrometallurgical operation commences with either a raw material obtained byPyrometallurgy | Article about Pyrometallurgy by The FreeFor copper sulfide ore, electrolysis is the final stage in the process of pyrometallurgy, in which anode copper slabs are hung in a large tank full of a copperbased electrolyte solution and an electric current is applied, resulting in the plating of copper onto 999% pure copper cathodesCopper Mining and Processing: Resources and Glossary

Copper Mining and Processing Superfund

Processing Copper Sulfide Ore Sulfide ores are generally processed using pyrometallurgy Mining considerations: Sulfide ore is often less abundant Pyrometallurgy process is more expensive Sulfide ore is often a highergrade ore (contains more copper) Ultimately more copper can be extracted from sulfide ore depositsConversion of matte to metallic copper in a side blown converter Oxidation of FeS to FeO to form slag Conversion of Cu2S to Cu Cu,5111 +o, (0) 2Cu (I) SO2 (g) Matte Smelting of Cu Copper Ore blister Cu 14 Chalcopyrite (CuFeS2) Sulphides of metal such Fe, Pb, Zn and silicates Matte smelting in a reverberatory CompOuent's Copper matte [wt16]I PRINCIPLES OF EXTRACTIVE METALLURGYsilver, copper, zinc, etc Due to the strong sulphur binding to these minerals, metals are process can be divided in Pyrometallurgy and Hydrometallurgy Particularly, chemical oxidation can be classified generally as roasting and aqueous ks is the rate constant of the reaction, U is the density of the FeS 2 ore, R 0, is the radius 2Oxidative Hydrometallurgy of Sulphide Minerals

Solvometallurgy: An Emerging Branch of Extractive

platinumgroup metals (PGMs) zinc, and copper The aluminum industry has also contributed to the development of hydrometallurgy; for example, the Bayer process, used to prepare pure alumina from bauxite ore, is the oldest example of a commercialized, highpressure hydrometallurgical process For the production of iron, pyrometallurgyextract copper via chemical (hydrometallurgical or pyrometallurcial) methods A list of some valuable minerals is provided in Table 1 Table 1 Some Common Metalliferous Ore Minerals Metal Ore Mineral Chemical Formula Aluminum AlBauxite 2 O 3 3H20 Chromium Chromite FeCr 2 O 4 Cobalt Skutterudite (Co,Ni,Fe)As 3 Copper Chalcopyrite Chalcocite BorniteIntroduction to Mineral ProcessingCrushed ore heap leaching (of secondary sulfides) consumes approximately half the energy of millingflotationsmelting process Overall resource utilization is less efficient 75% vs 87% copper extracted ROM stockpile leaching Similar energy efficiency to crushed ore heap leaching, based on ore grade assumptionEnergy Efficiency & Copper Hydrometallurgy

Application of bioleaching to copper mining in Chile

O Tenorite CuO Malachite CuCO 3 x Cu(OH) 2 Chrysocolla CuSiO 3 x 2H 2 O Atacamite CuCl 2 x 3Cu(OH) 2 Sulfides 2 Chalcocite Cu 2 S Covellite CuS Chalcopyrite CuFeS Bornite Cu 3 FeS 3 Enargite Cu 3 AsS 4 Tennantite Cu 3 AsS 3 Not long ago ores used to contain 5% copper or more, but nowadays most ore grades have diminish to less than 1%In the furnace, the concentrates are instantly oxidized, after which they melt and separate by their own reaction heat into copper matte with a grade of 65% and slag consisting of iron oxide, silica, and other compounds Reaction in the flash smelting furnace CuFeS 2 + SiO 2 + O 2 → Cu 2 S・FeS + 2FeO・SiO 2 + SO 2 + Reaction heatCopper Smelting and Refining Process | Pan Pacific CopperO 3), tinstone (SnO 2), and gold (Au) In this method, as shown in the Fig 13 the powdered ore is agitated with water or washed with a strong current of water The heavier ore settles down rapidly in the grooves and the lighter sandy and earthy materials (gangue particles) are washed awayDepartment of Metallurgy & Materials Engineering Veer