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Technologies for processing copper concentrate

  • Copper Ore Beneficiation Technology

    Processing bornite concentrator, mostly coarse concentrate regrinding - a selection of stage grinding and separation processes, and its essence is mixed - flotation process. First by a coarse grinding, roughing, scavenging, and then rough concentrate regrinding recleaner get high-grade copper concentrate and concentrate.

  • copper processing Definition, History, & Facts Britannica

    The early development of copper probably was most advanced in Egypt.As early as 5000 bce, copper weapons and implements were left in graves for the use of the dead.Definite records have been found of the working of copper mines on the Sinai Peninsula about 3800 bce, and the discovery of crucibles at these mines indicates that the art of extracting the metal included some refining.

  • Processing of Complex Materials in the Copper Industry

    Jul 06, 2020· Pyrometallurgical processing of complex copper concentrates has been traditionally associated with the smelting of specific materials containing substantial concentrations of deleterious elements, such as arsenic and/or smelted polymetallic base metal concentrates containing relevant quantities of copper, lead, and zinc as carrier metals, associated with precious metals and other


    Partial roasting is a method to clean the concentrate from arsenic and thereby produce a suitable raw material for the copper smelter. Also mercury is commonly found in copper bearing minerals. In partial roasting process the both the arsenic and mercury are volatilized, while a part of the sulphur is used as energy during the roasting.

  • Copper Flotation - Mineral Processing & Metallurgy

    Mar 19, 2017· Although basic porphyry copper flotation and metallurgy has remained virtually the same for many years, the processing equipment as well as design of the mills has continually been improved to increase production while reducing operating and maintenance costs. Also, considerable attention is paid to automatic sensing devices and automatic controls in order to assure maximum metallurgy and

  • The Economics Of Removing Arsenic From Copper

    The Economics Of Removing Arsenic From Copper Concentrates Using The Toowong Process Peter Rohner 1, Jon Loraine , Lachlan MacDonald , Michael Ross2, Philip Bangerter3, John Baillie3 1 Core Resources, 2 Mineral Technologies, 3 Whittle Consulting

  • Copper-Arsenic Processing - Teck

    Copper-Arsenic Processing Teck has partnered with Aurubis, Europes largest refined copper producer, to advance the application of CESL Copper-Arsenic (Cu-As) Technology for high arsenic bearing copper resources. Together, we provide strong technical capabilities and extensive industry experience in the copper business.


    acceptance for smelting of nickel sulphide concentrate, matte converting, and residues treatment (Table I). The Outotec JAE Ni Smelting Process3 developed with Jinchuan Nickel and ENFI is used at the Jinchuan Nickel Smelter to process over 1.1 Mt/a of nickel sulphide feeds. The process is

  • IsaKidd refining technology - Wikipedia

    Prior to the development of the Isa Process technology, the standard approach was to use a starter sheet of high-purity copper as the initial cathode. These starter sheets are produced in special electrolytic cells by electrodeposition of copper for 24 hours onto a plate made of copper coated with oil (or treated with other similar face-separation materials) or of titanium.


    trate quality. Copper content of the copper concentrate, apart from mineralogical features, is as a rule the function of the UDC 622.765 YU. P. NAZAROV (RIVS Science and Production Association) COPPER SUPER CONCENTRATE PRODUCTION TECHNOLOGY FOR OPERATING COPPER MOLYBDENUM PROCESSING PLANTS YU. P. NAZAROV, Director of Board, Candidate

  • Bozshakol Copper Project - Mining Technology Mining News

    Between 2015 and 2030, the Bozshakol processing plant is expected to process 30Mt of ore a year, to turn out 100,000t of copper concentrate. From 2015 to 2056, this amount is expected to drop to 25Mt of ore being processed each year to produce 60,000t of copper concentrate. Infrastructure facilities and

  • Chapter 6 Copper Production Technology

    ccement copper usually is smelted, converted, and SOURCE: Office of Technology Assessment, 1966. electrorefined (see table 6-l). 107 Figure 6-2.Early Smelting Technology Charcoal ore flux \ m The Egyptian copper smelting furnace was filled with a mixture of copper ore, charcoal and iron ore

  • High-arsenic copper concentrates - International Mining

    David Duckworth of consulting company Saint Barbara notes that the issue of high-arsenic (high-As) copper concentrates has been highlighted recently with the start-up of a number of new projects producing this material. Copper concentrates can be divided into clean or complex types, he writes in the companys latest newsletter.

  • Pyrometallurgical Processing Technologies for Treating

    Yoshimura, Z., 1962, The fundamental investigation of desarsenifying roasting of copper concentrate and its industrial practice. Journal of the Mining and Metallurgical Institute of

  • Copper Smelting Technology Trends - LinkedIn

    Aug 23, 2017· Historically, copper concentrates have undergone roasting treatment processes. The roasting process is generally undertaken in combination with reverberatory furnaces. In

  • Pressure Leaching of Copper Concentrates

    20 October 25th, 2004 Phelps Dodge Concentrate Leaching Milestones 2Q 1998 Sulfate-based concentrate leaching development started 1999-2000 Batch testwork at Hazen Research, Dawson and Phelps Dodge Process Technology Center 2000-2001 Continuous Pilot Plant Testing 3Q 2001 Technology Development Agreement executed with Placer Dome

  • (PDF) Plasma-induction technology for reduction processing

    Plasma-induction technology for reduction processing of copper concentrate pellets. The main purposes of this actual work are to develop a metallurgical technology for copper and copper alloys

  • How copper is made - material, used, processing, steps

    The copper concentrate and flux melt, and collect in the bottom of the furnace. The current trends in copper processing are towards methods and equipment that use less energy and produce less air pollution and solid waste. In the United States, this is a difficult assignment because of the stringent environmental controls and the very low


    Smelting technology is the worlds leading method for copper and nickel smelting. More than half of the worlds primary copper and nickel is produced using Outotecs proprietary process. The process is highly energy efficient because it makes full use of the reaction heat of the concentrate, meaning

  • Recent Developments in Copper Hydrometallurgy

    Phelps Dodge Concentrate Leaching Milestones 2Q 1998 Sulfate-based concentrate leaching development started 1999-2000 Batch testwork at Hazen Research, Dawson and Phelps Dodge Process Technology Center 2000-2001 Continuous Pilot Plant Testing 3Q 2001 Technology Development Agreement executed with Placer Dome

  • Copper - Sulphuric Acid

    The process is a continuous, multi-step process which produces blister copper from concentrates in three interconnecting furnaces. Concentrate and oxygen-enriched air (30-35% O 2 ) enter the smelting furnace through vertical lances and are smelted to produce a matte of 65% to 69% Cu and low-copper

  • Two-step biohydrometallurgical technology for

    Dec 01, 2017· Copper-zinc sulfide concentrate processing using a two-step biohydrometallurgical technology. After the first step of leaching, solutions of nonferrous metal sulfates and ferrous iron sulfates are produced.

  • ISASMELT Process Technology :: Total Materia Article

    This 3.7-metre diameter furnace smelts all copper concentrate treated in the Mount Isa copper smelter. During almost 25 years of developing and operating submerged lance technology on large-scale plants, significant technical improvements have occurred in areas such as furnace design, feed preparation systems, offgas handling, operating and

  • Copper Flotation, Extraction of Copper, Copper Processing

    Xinhai Solutions: Xinhai Mine Research Institute carried on preliminary exploration of its processing conditions and found that the copper recovery rate was the highest in bulk flotation process. Therefore, after discussed with client, Xinhai adopted two stage closed-circuit crushing, one stage closed-circuit grinding, middlings regrinding, copper lead bulk flotation - zinc flotation - copper

  • How copper is made - material, used, processing, steps

    6 The copper concentrate is fed into a furnace along with a silica material, called a flux. Most copper smelters utilize oxygen-enriched flash furnaces in which preheated, oxygen-enriched air is forced into the furnace to combust with fuel oil. The copper concentrate and flux melt, and collect in

  • Developing new ways to advance copper production

    Sep 26, 2018· The process is similar to the Hall-Héroult process, which uses electrolysis to produce aluminum, but operates at a higher operating temperature to enable production of liquid copper.

  • Opportunities for Precious Metals Toll Processing and

    May 01, 2017· Copper smelting and concentrate leaching are listed as alternative processing technologies. Autoclave leaching of concentrates is a lower capital cost alternative, which could increase the economic attractiveness

  • Copper Ore Processing Methods

    Apr 11, 2017· The four major steps in the production of marketable copper are mining, concentrating, smelting, and refining. In a few instances, however, leaching takes the place of concentrating, smelting, and refining. At present, although considerable

  • Home - Home Albion Process

    Albion Process has real-world success in delivering consistently high recoveries up to 97% in refractory gold and over 99% in chalcopyrite copper concentrates. It has much lower capital cost than traditional leaching plants like pressure oxidation (POx) plants and because it operates at atmospheric pressure, it completely avoids the

  • Innovations in Copper Mineral Processing Technology

    Mineral Processing Technologies Update on Copper Applications using; Ore SortingRejecting Low Grade Material from Copper Ores Heavy Medium SeparationRejecting Low Grade Material from Copper Ores Toowong ProcessRemoving Impurities from Copper Concentrates

  • How Hydrometallurgy and the SX/EW Process Made Copper

    In the smelting operation, the concentrate is fed to a smelter together with oxygen and the copper and iron sulfides are oxidized at high temperature resulting in impure molten metallic copper (97 to 99%), molten iron oxide and gaseous sulfur dioxide.

  • Innovations in Copper: Mining & Extraction: Producing

    BacTech Enviromet Corp., in conjunction with Mintek, 14 has developed proprietary technologies for the high temperature leaching of copper concentrates. Working in conjunction with Industrias Penoles SA de CV, one of Mexico's largest and most diverse mining companies, they operated a 2.2-metric tons per day (mt/d) stirred-tank copper-concentrate bioleach demonstration plant in Monterrey

  • Copper Mining and Processing: Processing Copper Ores

    Copper processing is a complicated process that begins with mining of the ore (less than 1% copper) and ends with sheets of 99.99% pure copper called cathodes, which will ultimately be made into products for everyday use.The most common types of ore, copper oxide and copper sulfide, undergo two different processes, hydrometallurgy and pyrometallurgy, respectively, due to the different

  • New technologies emerging in copper mining

    Electrolytic copper refining concentrate to wire in a single process $1.9 million in funding from US DOE awarded to MIT to explore molten sulfide electrolysis as a potential replacement for the traditional pyro-metallurgical copper smelting process DE-FOA-0001465

  • A Novel Technology for Separating Copper, Lead and Zinc in

    In this work, oxidizing roasting was combined with leaching to separate copper, lead, and zinc from a concentrate obtained by bulk flotation of a low-grade ore sourced from the Jiama mining area of Tibet. The flotation concentrate contained 7.79% Cu, 22.00% Pb, 4.81% Zn, 8.24% S, and 12.15% CaO; copper sulfide accounted for 76.97% of the copper, lead sulfide for 25.55% of the lead, and zinc


    MAIN TECHNOLOGIES @CochilcoChile Source: Wood et al (2009), Jie (2013), Yunnan Copper (2015), COCHILCO (2015) Stage Input Output Technology Smelting Concentrate Matte, smelting slag and gases Mainly Bath and Flash Converting Matte Blister, converting slag and gases Mainly Peirce-Smith Refining Blister Anodic Copper, refining slag and gases

  • Copper Ore Processing Methods

    Apr 11, 2017· The four major steps in the production of marketable copper are mining, concentrating, smelting, and refining. In a few instances, however, leaching takes the place of concentrating, smelting, and refining. At present, although considerable leaching and direct-smelting ores are produced, the bulk of the copper ore mined is concentrated.

  • Economic of Copper Processing - SlideShare

    Jun 23, 2013· Effective costs of Copper Processing As each tonne of ore produces 0.0051 t of copper inconcentrates, with a free market value of £ 5.00, so totalproduction costs of copper in concentrates : However, if the ore contains appreciable by-products, theeffective production costs are reduced. Assuming the concentrate contains 25 gpt of gold and

  • New Technology Uses Salt Or Brackish Water To Process

    Sep 29, 2016· Flotation froth of copper concentrate during laboratory testing in Santiago, Chile Barrick has developed and patented a new flotation process that can produce copper concentrates from copper or copper-gold ores using salt or brackish water. The new process, an air-metabisulfite treatment, does not require lime or cyanide.

  • (PDF) New Technology of Processing Pyrite Concentrate

    A new hydro-electrochemical technology is designed for processing concentrates of copper sulfides of Kajaran and Kapan (Armenia) deposits in a special mode (know-how).

  • Progress in mineral processing technology of copper mine 2017

    Dexing copper mine as a large porphyry copper deposits in the world level, over the years has been the beneficiation process by mixed flotation regrinding rough concentrate separation, difficult

  • Telfer Processing Plant Upgrade The Implementation of

    the primary grinding circuit, to the copper concentrate, and to a lesser extent, the CIL circuit. Since Telfer was re-opened, with a new concentrator, in 2004, the processing plant has struggled with poor copper concentrate grades, partially due to the excessive entrainment of non-sul de fi

  • Copper Concentrates - Cargo Handbook - the world's largest

    Copper concentrate is the first commercial product of the copper production line and is composed of approximately equal parts of copper, iron and sulfide. Concentrates are the raw material for all copper smelters, which by processing it obtain an impure form of metallic copper, anode or blister copper, which is later used to produce high purity

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