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Pyrometallurgical extraction of copper

  • DEVELOPMENTS IN COPPER COOLER DESIGN FOR

    The use of copper cooling elements to enhance refractory lining life in pyrometallurgical vessels is common in modern furnace design. Copper elements typically incor porate a base panel with cast in cooling passages and an integral extended surface (formed of pins, fins or similar) onto which suitable refractory material is cast.

  • Traditional Pyrometallurgical Treatment of - Copper

    Traditional Pyrometallurgical Treatment of Concentrate Copper Applications in Mining & Extraction. By Tony Eltringham. The use of fire to extract metals - known as pyrometallurgy pre-dates recorded history. Currently, just under 90 percent of the cathode copper in

  • Physicochemical characterization of copper slag and

    However, pyrometallurgical processes produce large quantities of slag, and this constitutes one of the main by-products of the metal extraction industry [2]. The average composition of primary copper slag corresponds to 3040 % iron, 35 -40% silica, less than 10 % of alumina and calcium oxide and copper

  • Management of copper pyrometallurgical slags: giving

    1,522,000 metric tons of fine copper in 2002, approximately one half of total copper concentrate production, with a notorious environmental impact due to the great amount of slag produced during these extraction steps. In this work, a global characterization of copper pyrometallurgical

  • Pyrometallurgical Process - an overview ScienceDirect Topics

    Roasting, smelting, and converting are pyrometallurgical process steps that are based on the relative affinities of metals for sulfur and oxygen. A typical process flowsheet is shown in Fig. 1.Iron sulfide is primarily converted to oxide in roasting. When only about half the iron is oxidized during roasting, less nickel and copper sulfides are oxidized.

  • World Copper Production at a Glance - FEECO International Inc.

    Of the top 20 copper mines listed by ICSG, half produced copper by the pyrometallurgical approach alone. Hydrometallurgical Copper Refining. The hydrometallurcial approach to refining copper ore is known as solvent extraction electro-winning (SX-EW), or leach solvent extraction electro-winning (L-SX-EW) for its convergence with the heap

  • COPPER Copper production - Repository

    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 copper concentrate

  • Copper: smelting, producing and classification-Metalpedia

    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 hydrometallurgical.

  • EXTRACTION OF GOLD, SILVER AND COPPER FROM THE

    The pyrometallurgical copper extraction from copper sulphides consists, traditionally, of the following basic steps: a) roasting of the concentrate; b) smelting of the matte; c) Conversion, and d) fire Refining [5]. After fire refining, the copper purity is around 99.5% being later purified by electrolytic

  • Copper and copper alloys - SlideShare

    Jan 02, 2014· EXTRACTION OF COPPER FROM SULPHIDE ORES Copper is extracted usually from the sulphide ore chalcopyrite (CuFeS2) by smelting process. Ores containing 4% or more copper are treated by smelting process. There are following steps for the Pyrometallurgical extraction of copper from Chalcopyrite. 1. CONCENTRATION 2. ROASTING 3. SMELTING 4.

  • Copper_extraction_techniques - chemeurope

    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 40% copper in a flotation

  • US5849172A - Copper solvent extraction and electrowinning

    An improved method and apparatus is provided for the production of copper using a solvent extraction electrowinning process. Process streams formed during the process containing entrained liquids are fed to a cyclone to remove either organic extractant or water (aqueous solutions) from the stream. A raffinate stream fed to a cyclone removes entrained organic phase which organic phase may be

  • Pyrometallurgical extraction of valuable metals from

    Pyrometallurgical extraction of valuable metals from polymetallic deep-sea nodules Proceedings of EMC 2015 3 1970s. The table further highlights, that a metallurgical process to treat this kind of raw material has to be flexible in dealing with varying nodule compositions. Therefore, a

  • 12.3 Primary Copper Smelting

    Pyrometallurgical techniques use heat to separate copper from copper sulfide ore concentrates. Process steps include mining, concentration, roasting, smelting, converting, and finally fire and electrolytic refining. 12.3.2 Process Description2-4 Mining produces ores with less than 1 percent copper. Concentration is accomplished at the

  • RECENT ADVANCES IN THE EXTRACTION OF COPPER, NICKEL

    Fig. 4 : Pyrometallurgical extraction of copper from sulfide ores The ores containing chalcopyrite minerals are upgraded by flotation and then roasted under controlled conditions.

  • Review of copper pyrometallurgical practice: Today and

    Dec 06, 2020· Copper smelters around the world currently implement a great number of different pyrometallurgical processes for copper extraction [6,10, 11]. The authors of

  • Efficient Synchronous Extraction of Nickel, Copper, and

    Jun 18, 2020· Synchronous extraction of nickel and copper from a mixed oxidesulfide nickel ore in a lowtemperature roasting system. Journal of cleaner production 177 ,

  • Energy and Environmental Profile of the U.S. Mining

    Copper processing or pyrometallurgical processes employ high-temperature chemical reactions to extract copper from its ores and concentrates. Generally, these processes are used with copper sulfides and, in some cases, high-grade oxides. Depending on the copper mineral and the type of equipment, pyrometallurgical recovery may take as many

  • (PDF) LEACHING OF A ROASTED COPPER SULFIDE ORE

    The extraction of copper from ore Suitable roasting temperatures, roasting time and a has commonly been performed using mainly proper amount of addition have been explored in this pyrometallurgical, hydrometallurgical and bio- study. chemical, and metallurgy equipment always suffered serious erosion, leading to high production OBJECTIVES OF THE

  • The Extraction of Copper - Chemistry LibreTexts

    Aug 21, 2020· Extracting of Copper from Other Ores. Copper can be extracted from non-sulfide ores by a different process involving three separate stages: Reaction of the ore (over quite a long time and on a huge scale) with a dilute acid such as dilute sulfuric acid to produce a very dilute copper

  • COPPER SOLVENT EXTRACTION FROM CHALCOPYRITE

    Copper production from ores or sulphide concentrates is classically realized by pyrometallurgical route. In this study, hydrometallurgical treatment of a copper sulphide concentrate, provided by Hajar Mine (ONA-Group, Morocco), was tested by using a mixture of nitric and hexafluorosilicic acids. Copper is present in the solid product as

  • Biomining: metal recovery from ores with microorganisms

    Biomining is an increasingly applied biotechnological procedure for processing of ores in the mining industry (biohydrometallurgy). Nowadays the production of copper from low-grade ores is the most important industrial application and a significant part of world copper production already originates from heap or dump/stockpile bioleaching.

  • Copper Extraction By Pyrometallurgical Method

    Copper Extraction By Pyrometallurgical Method. 1522000 metric tons of fine copper in 2002 approximately one half of total copper concentrate production with a notorious environmental impact due to the great amount of slag produced during these extraction steps in this work a global characterization of copper pyrometallurgical.

  • 21.12A: Copper Metal - Chemistry LibreTexts

    Feb 03, 2021· Pyrometallurgical Method. This technique is often used in the extraction of sulphide ores. There are four main stages: Mining and Milling: The ore is crushed and ground into a powder usually containing less than 1% copper.

  • Chapter 6 Copper Production Technology

    Figure6-1 shows flow-sheets for pyrometallurgical and hydrometallurgical2 copper production. Tables 6-1 and 6-2 provide capsule summaries of these processes. 1 PyrometaIIurgy IS the extractIon of metaI from ores anD concen- trates using chemical reactions at high temperatures.

  • Resources Free Full-Text Metal Extraction Processes

    Various investigators studied the extraction of PMs, copper, In these pyrometallurgical processes, e-waste/copper/lead scrap is fed into a furnace, whereby metals are collected in a molten bath and oxides form a slag phase. More details about the lead and copper smelting routes are

  • Extraction of Aluminum, Copper, Zinc & Iron - Video

    Jan 15, 2020· Extraction of Copper. Chalcopyrite (CuFeS 2) is the commonest copper ore.Copper is mainly extracted from the sulphide ore (Cu 2 S) by the self

  • Management of copper pyrometallurgical slags: giving

    1,522,000 metric tons of fine copper in 2002, approximately one half of total copper concentrate production, with a notorious environmental impact due to the great amount of slag produced during these extraction steps. In this work, a global characterization of copper pyrometallurgical

  • Copper extraction by wet chemical method

    Currently the extraction of copper is performed using a pyrometallurgical process that involves the use of electricity as well as coal, both of which are expensive. The use of fossil fuels in extraction produces carbon dioxide which contributes to global warming. The other method used is solvent extraction followed by electro-winning (SX-EW).

  • Copper Environmental Profile

    Primary copper production starts with the extraction of copper-bearing ores. There are two basic ways of copper mining: surface and underground mining. Due to copper being spread in relatively low concentrations The final product is the same as through the pyrometallurgical routerefined copper cathode containing over 99.99 percent copper

  • Hydrometallurgical Copper Extraction Process

    Dec 15, 2018· Hydrometallurgical Copper Extraction Process. Post navigation. Previous. Next. The successful development of the Cyprus Copper Process has been an evolutionary series of events covering a time span of some seven years. What does the Cyprus Copper Process do? Very simply, it converts copper concentrates of varying composition into copper metal

  • US5667557A - Hydrometallurgical extraction and recovery of

    A hydrometallurgical process for treating copper feed materials containing gold and/or silver by simultaneously leaching copper, gold and/or silver into an aqueous cyanide solution, recovering copper in metallic form by electrowinning and regenerating cyanide ions is provided, wherein high current efficiencies are achieved at high current densities and at low copper concentrations.

  • Concept for a Hydrometallurgical Processing of a Copper

    Mar 11, 2020· In the pyrometallurgical processes, For the extraction of copper, oximes are the most common extractants. For the extraction of cobalt from sulfate solutions, phosphonic acids are used. In this work, the usage of solvent extraction for copper and cobalt is investigated. 10,

  • PYROMETALLURGICAL RECOVERY OF COPPER VALUES FROM

    If the reduction is conducted in a single furnace, copper can be extracted; however, the product grade may be low. Preferably, the reactor system should be staged to achieve a high recovery of copper and a high grade copper product. The pyrometallurgical recovery of copper from molten, high magnetite slage is based upon chemical reduction.

  • Pyrometallurgical recovery of copper from slag material

    The extraction of copper from copper ores by pyrometallurgical methods is a very old art, and the losses of copper in slags produced in pyrometallurgical extraction methods has

  • Pyrometallurgical method used for the extraction of copper

    The 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 ore is not concentrated by leaching with dil sulphuric acid.

  • Flow chart for the pyrometallurgical extraction of nickel

    Flow chart for the pyrometallurgical extraction of nickel from nickel sulphide Products. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, Flow chart for the pyrometallurgical extraction of nickel from nickel sulphide, quarry, aggregate, and different kinds of minerals.

  • Copper extraction - Academic Kids

    Jun 18, 2005· Pyrometallurgical Extraction The following is a process of copper extractionfrom chalcopyrite ore into pure metal. While oxide ores can be processed using Pyrometallurgical techniques, Hydrometallurgical methods are more cost effective.

  • PHYSICOCHEMICAL CHARACTERIZATION OF COPPER

    However, pyrometallurgical processes produce large quantities of slag, and this constitutes one of the main by-products of the metal extraction industry [2]. The average composition of primary copper slag corresponds to 3040 % iron, 35-40% silica, less than 10 % of alumina and calcium oxide and copper content is around 1 %Cu, similar to the ore

  • RECOVERY OF COPPER FROM COPPER SLAG AND COPPER

    Copper extraction from the slag was typically found to be twice as high as that from the slag flotation tailings. Hydrogen peroxide was determined to be the best lixiviant. Thus, copper and iron extractions were 63.4% as the type of ore mined and the type of pyrometallurgical process utilized (Shen and Forssberg, 2003).

  • Phase analytical studies of industrial copper smelting

    The pyrometallurgical extraction of copper from sulfide ore concentrates is determined by the behaviour of the associated iron during smelting. Hence, 57 Fe Möss spectroscopy is an attractive tool for studying the phases in silicate slags from German and Chilean smelting plants. Other methods used were ore microscopy, electron microprobe analysis, and X-ray powder diffraction. <P />

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