pyrometallurgical extraction of copper
Copper Mining and Processing: Processing of Copper Ores ...
Sulfide ores are generally processed using pyrometallurgy, the extraction and purification of metals by processes involving the application of heat. This process uses a series of physical steps and high temperatures to extract and purify copper from copper sulfide ores, in four basic steps: 1) froth flotation, 2) thickening,...read more
Pyrometallurgy - Wikipedia
Pyrometallurgical treatment may produce products able to be sold such as pure metals, or intermediate compounds or alloys, suitable as feed for further processing. Examples of elements extracted by pyrometallurgical processes include the oxides of less reactive elements like iron, copper, zinc, chromium, tin, and...read more
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. Methods have evolved and vary with country depending on the ore source, local environmental regulations, and other factors. As in all mining...read more
COPPER Copper production
Copper production. About 80 % of primary copper production comes from low-grade or poor sulfide ores. After enrichment steps, the copper concentrates are usually treated by pyrometallurgical methods. Generally, copper extraction follows the sequence (see Figure below):. 1. Beneficiation by froth flotation of ore to give...read more
METALLURGY OF COPPER-EXTRACTION OF COPPER-BLISTER ...
Large amount of copper are obtained from copper pyrite (CuFeS2) by smelting. Ores containing 4% or more copper are treated by smelting process. Very poor ores are treated by hydro-metallurgical process. For latest information , free computer courses and high impact notes visit : www.citycollegiate.com. EXTRACTION...read more
Recovery of Copper from Copper Sulfide Concentrate by Sulfation ...
Feb 11, 2015 ... vering copper from ore. The extraction of copper from ore has commonly been performed using mainly pyro- metallurgical, hydrometallurgical, and biochemical processes -. In traditional pyrometallurgical process, various gases released produced unacceptable air pollution, and metallurgy equipments...read more
extraction of gold, silver and copper from the copper ... - Cetem
Introduction. The Flash Smelting process, from Outokumpu/Finland, is the pyrometallurgical that transform directly copper sulphides, comprising the flotation concentrate, in impure metallic copper, also known as blister copper [1 - 4]. The pyrometallurgical copper extraction from copper sulphides consists, traditionally, of.read more
Copper: smelting, producing and classification-Metalpedia
This page contains two ways of smelting copper(pyrometallurgy and hydrometallurgical), characteristics & comparisons of the two methods and copper classification. ... be separated as: the sulfating roasting- leaching- electrodeposition method; leaching- extraction- electrodeposition method; and bacterial leaching method.read more
Primary Metal Production
Pyrometallurgy of Copper. The pyrometallurgical extraction of copper from sulfide minerals traditionally consists of the following basic steps: • Roasting of sulfide concentrate. • Matte smelting. • Converting. • Fire-refining. After fire-refining, the copper is about 99.5% pure, and is further treated by electrolytic refining to produce...read more
METHODS OF EXTRACTION AND
Pyrometallurgical methods of metal production are usually cheaper and suited ... All relatively inexpensive metals (e.g. iron, lead, zinc, copper, aluminium, ..... for extraction of copper. The principal ore mineral of copper is Chalcopyrite (CuFeSz). The usual copper content in Chalcopyrite ores is less than 2%. The ores are...read more
Pyrometallurgy | Article about Pyrometallurgy by The Free Dictionary
Processes that use chemical reactions at elevated temperatures for the extraction of metals from raw materials such as ores and concentrates, or for the. ... In modern metallurgy, pyrometallurgy is of major importance in the production of many of the most useful metals, including iron, steel, lead, copper, and nickel.read more
copper pyrometallurgy,copper hydrometallurgy, solvent extraction ...
In the field of copper metallurgy, Unionsum can provide a full set of technology and fast service. We can design production line according to different copper ore specifications and customers' requirements. Apart from final product of copper cathode, variety of solutions and byproducts recovery like sulfuric acid and precious...read more
Chapter 82 - Metal Processing and Metal Working Industry
When sufficient copper has been cemented out, the copper-rich iron is put into the smelter together with the ore concentrates for copper recovery via the pyrometallurgical route. In the SXEW process, the pregnant leach solution (PLS) is concentrated by solvent extraction, which extracts copper but not impurity metals (iron...read more
Copper - Department of Energy
hydrometallurgical methods (copper beneficiation). Pyrometallurgical methods consist of smelting technology, and are widely used. Hydrometallurgical methods involve leaching and recovery by precipitation or electrowinning. These methods are gaining in extraction/electrowinning (SX/EW). 1 U.S. Department of Interior,...read more
Oxygen Pyrometallurgy at Copper Cliff - TMS
Oxygen Pyrometallurgy at Copper Cliff—A Half Century of Progress ... Economic application of oxygen pyrometallurgy would permit replacement of this sulfur by liquid sulfur dioxide, with simultaneous replacement of the coal by low-cost tonnage oxygen, ... Flowsheets of nickel-copper extraction at Copper Cliff—1995.read more
occurrence and speciation of copper in slags obtained ... - doiSerbia
copper extraction using a two-stage pyrometallurgical process: 1) smelting concentrates in flash furnace to matte, in which the average copper content is raised from 30 to 62 wt %; and 2) converting matte to blister copper with an average content of. 99.5 wt % Cu). The silicate slags produced from both the flash furnace and...read more
Traditional Pyrometallurgical Treatment of Concentrate - Copper ...
The use of fire to extract metals - known as pyrometallurgy – pre-dates recorded history. Currently, just under 90 percent of the cathode copper in the world is produced by pyrometallurgy. There are multiple reasons: reactions are faster at higher temperatures; molten metals are easy to handle and alloy; reagents are cheap...read more
Growing role of solvent extraction in copper ores processing (PDF ...
Full-text (PDF) | Heap leaching of oxide copper ores and cathode copper recovery by solvent extraction (SX) and elec-trowinning (EW) has been well established a... ... pyrometallurgy. Hydrometallurgy has been used for copper recovery for more than 300 years. The. most important development in copper hydrometallurgy,...read more
Current Energy Requirements in the Copper Producing Industries ...
Dec 20, 2013 ... Another important factor is the “recovery efficiency” of the metallurgical processes used to extract the copper. ... Several of the newer copper pyrometallurgical processes which utilize more of the combustion energy of the sulfides as heat show a significant improvement over conventional smelting. Generally...read more
Copper, Nickel and Cobalt Extraction from FeCuNiCoMn ... - OnePetro
Copper, Nickel and Cobalt Extraction from FeCuNiCoMn Alloy Obtained after Pyrometallurgical. Processing of Deep Sea Nodules. Vladislava Przebinda Stefanova, Peter Kostadinov Iliev and Boris Stoilov Stefanov. University of Chemical Technology and Metallurgy. Sofia, Bulgaria. ABSTRACT. During pyro-reduction...read more
Methods of Extraction – Study Material for IIT JEE | askIITians
Table of Content. Pyrometallurgy. Calcination. Roasting. Smelting. Self-Reduction Process. Reduction of Oxides with Hydrogen. Distillation. Hydrometallurgy. Electrolytic Reduction .... Similarly, in the extraction of copper, the sulphide and the oxide interact at an elevated temperature to give the metal. Cu2S + 2Cu2O...read more
Metal Extraction Processes for Electronic Waste and ... - CiteSeerX
Feb 19, 2014 ... Currently, pyrometallurgical routes are used initially for the segregation and upgrading of PMs (gold and silver) into base metals (BMs) (copper, lead and nickel) and followed by hydrometallurgical and electrometallurgical processing for the recovery of pure base and PMs. For the recycling of e-waste in...read more
technoeconomic study for production of copper from saudi ore
used pyrometallurgical copper extraction pro- cesses (both batch and continuous), in an at- tempt to find out their advantages and disad- vantages with a view to selecting the most appropriate technique for copper extraction from Saudi ores. A preliminary economic as- sessment for a complete copper extraction proj-.read more
Copper - Ullmann's Encyclopedia of Industrial Chemistry - Lossin ...
Jan 15, 2001 ... The extraction of precious metals and other rare elements can be decisive for the profitability of copper mines, smelters, and refineries. ..... Examples of fluidized-bed roasters are Boliden Rönnskär (Sweden), Bor Smelter (Yugoslavia) in front of pyrometallurgical copper extraction, and Chambishi (Zambia)...read more
Distribution of Precious Metals During the Reducing ... - InTechOpen
Feb 1, 2012 ... sulphide concentrates or with the pyrometallurgical treatment of copper scrap, smelting dust or other kind of ... In the conventional pyrometallurgical process for the production of metallic copper from copper ...... extract silver, gold and copper; the iron-rich alloy may be harmlessly discarded if the content of...read more
SYNERGY OF ENERGY RESOURCES OF COPPER ...
pyrometallurgical process of anode copper production, electrolytic refining of anode copper. The analysis of energy consumption in the process often comes ... pyrometallurgical copper production occurs as the result of increasing demand for .....  Mitovski, M., Mitovski, A., Energy in Pyrometallurgical Copper Extraction,.read more
Copper Extraction | Smelting | Copper - Scribd
Copper About 80 % of primary copper production comes from low-grade or poor sulﬁde ores. copper extraction follows the sequence: 1) Beneﬁciation by froth ﬂotation of ore to give copper concentrate 2) Optional partial roasting to obtain oxidized material or calcines 3) Two-stage pyrometallurgical extraction a) smelting...read more
Thermal Decomposition of Copper Sulfides - Research Collection
required for the development of a solar-thermal processfor the extraction of copper. About 80 % of copperin the world is found as sulfide ores, which are mainly treated by pyrometallurgical processes. In today's smelting processes, the oxygen partial pressure in the furnace is used to minimize the amount of copper in the...read more
Sources of Copper Ore | Copper Development Association of South ...
Pyrometallurgical extraction. The following is a process of copper extraction from chalcopyrite ore into pure metal. While oxide ores can be processed using Pyrometallurgical techniques, Hydrometallurgical methods are more cost effective. The copper ore is crushed and ground before it is concentrated to between 20 and...read more
Non – Ferrous Extractive Metallurgy - VSSUT
2.1 Extraction of Cu in Pyrometallurgical Process. 17 ... 43. 2.5 Extraction of Mg in Pyrometallurgical Process. 48. 2.6 Extraction of Al in Pyrometallurgical Process. 53. 2.7 Extraction of Zr. 64. 2.8 Extraction of Ti. 66. 2.9 Extraction of Sn. 68 ..... (iv) Electrolytic Refining: A large number of metals like copper, silver, zinc, tin etc.read more
Pyrometallurgical Processing of Copper-Smelting Slags - Scientific.net
It is offered the two stage technology for Copper slag pyrometallurgical processing, which allows to extract from slag the metallic part during the separating smelting, and during the reducing smelting to extract the metallic components from nonmetallic part, where its presents at the chemical combined condition.read more
A High Temperature Process for Extracting Valuable Metals from ...
May 25, 2009 ... generated from conventional pyrometallurgical processes. Therefore, present work is focused on the development of pyrometallurgical process for possible utilization of waste copper slag as a slag formative for extracting copper and tin contained in WEES. The proposed process is simple and economical...read more
Sustainability analysis of copper extraction and ... - Imperial Spiral
Sustainability analysis of copper extraction and processing using LCA methods by. Julio Castro Molinare. A thesis submitted for the degree of. Doctor of Philosophy of the. Imperial College London. December 2014. Imperial College of Science, Technology and Medicine. Royal School of Mines. Department of Earth Science...read more
Extractive Metallurgy of Copper
Extractive Metallurgy of Copper. Electrochemical processing is always used in producing high-purity copper: electrorefining in the case of pyrometallurgical extraction and electrowinning in the case of hydrometallurgical extraction. The principal final copper product is electrolytic tough pitch copper (-250 ppm oxygen and 20...read more
By-products recovery technologies in primary non-ferrous metals ...
Nov 13, 2015 ... impurities can be extracted. • Non-ferrous metals, such as copper, nickel, zinc, lead are good carrier metals with various solutions for extraction of by-products. • Combination of pyrometallurgical and hydrometallurgical processing enables good metallurgical options. • Metallurgical non-ferrous production...read more
Oxides and Pyrometallurgy
Oxides and Pyrometallurgy. - Copper Extraction from Sulfide Concentrates. - Using Equilib Program. • Selection of databases. • Phase selection. • ?Slag and ?Monoxide. • Transition calculation. 2010. Montreal. Oxides and Pyrometallurgy 1. • Transition calculation. • Export of results to Excel and plotting. - Phase Diagrams of...read more
Economical Recovery of By-products in the Mining Industry - OSTI.gov
There are two basic methods of extracting copper ore: surface and underground mining. Copper is extracted from the ore in two ways, through hydrometallurgical and pyrometallurgical process. Surface open-pit mining is the predominant method used today by the U.S. copper mining industry, representing 83% of domestic...read more
Patent US4036636 - Pyrometallurgical process for smelting nickel ...
Jul 19, 1977 ... The process as set forth in claim 6 also including the step of contacting the slag with a sulfide extractant to extract copper or nickel metal values remaining in the slag after it has been reduced in step (d). 9. The process as set forth in claim 8 wherein the metal phase is separated frm the slag in a sulfide matte...read more
recent advances in the extraction of copper, nickel ... - [email protected]
Moreover, copper is extracted by matte smelting process without using any reductant. The process flow sheet for conventional pyrometallurgical extraction of copper from chalcopyrite concentrate is shown in Fig. 4. Concentrate (15-35% Cu). Fig. 4 : Pyrometallurgical extraction of copper from sulfide ores. The ores containing...read more
Extractive Metallurgy of Copper - 1st Edition - Elsevier
It contains an even greater depth of industrial information, focussing on how copper metal is extracted from ore and scrap, and how this extraction could be made more efficient. Modern high ... Overview. Extracting copper from copper-iron-sulfide ores. ... Decreasing copper in slag III: pyrometallurgical slag settling/reduction.read more PRE Post:Raymond grinding mill for mining use
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