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FIRE REFINING OF BLISTER COPPER - OUTOTEC (FINLAND) OY

1. 1-13. (canceled) 14. A process of fire refining blister copper, comprising the steps of: (a) providing molten blister copper into an anode furnace; (b) oxidizing sulfur in the molten blister copper by blowing oxygen containing gas into the molten blister copper until a first prescribed target value has been reached; (c) subsequently discontinuing blowing of the oxygen …

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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, …

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COPPER-REFINING PROCESS - FRANK D. CHEW

The slag produced in the chlorine-refining step of my process contains sufficient copper values to make it economically feasible and desirable to treat the slag specially to recover such values. After the chlorine-refining step is completed, the molten slag is tapped into cooling pits and allowed to cool until the slag solidifies.

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Copper Mining & Extraction Process Flow Chart

Aug 26, 2015· Copper Mining & Extraction Process Flow Chart. This flowchart made of machinery icons explains or expresses in simple but clear terms the step of the Copper Mining and Copper Extraction Process. Starting from either open-pit or underground mining and using a different relevant treatment method for oxide or sulphide copper mineral (ore).

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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. Currently ...

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6 Stages of the Mining Process | BOSS Magazine

Jun 22, 2018· The mining process is responsible for much of the energy we use and products we consume. Mining has been a vital part of American economy and the stages of the mining process have had little fluctuation. However, the process of mining for ore is intricate and requires meticulous work procedures to be efficient and effective.

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copper refining and melting process - Waldemar Panek

US3682623A - Copper refining process - Google Patents. a process providing for the pyrometallurgical recovery of copper from copper-bearing material and isolation of lead/tin, nickel and zinc in economically recoverable form. copper-bearing material is initially melted and reduced with solid material containing metallic iron to form a black copper which is refined by blowing …

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How Do They Do That? Making Copper Plumbing Tube

The copper is then fire-refined by contacting the melt with oxygen, which preferentially reacts with impurities to form oxides. These oxides, being lighter than the liquid metal, float to the surface, where they become trapped in slag. Part of the centuries-old refining process, called "poling", involves stirring the melt with large green wood ...

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Copper Smelting and Refining Process | Pan Pacific Copper

Refined Copper Smelting and Refining Process. 01 Formulation of copper concentrate. Large ships bring copper concentrates from overseas mines. The copper concentrates are unloaded by the berth's massive unloader, after which they are transferred to the storage yard where they are sorted and stored. After the concentrates are separated into ...

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Electrorefining of Copper

• Figure 6.3.2. Typical flow sheet for a copper refinery. The process for electrorefining copper is typical of those carried out in aqueous solution. The electrolyte is copper sulfate (0.7 molar) and sulfuric acid (2 molar) and the way in which the purification of …

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Copper Scrap - an overview | ScienceDirect Topics

18.1.3 Old Scrap. The final category of copper scrap (paths (3), (3a) and (3′) in Fig. 18.1) is termed old, obsolete, post-consumer, or external arising scrap. It is obtained from products that have ended their useful life. Old scrap is a huge potential source of recyclable copper. It is also difficult to process.

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The Extraction of Copper - Chemistry LibreTexts

Jun 07, 2021· This is used to make sulfuric acid via the Contact Process. An overall equation for this series of steps is: (1) 2 C u F e S 2 + 2 S i O 2 + 4 O 2 → C u 2 S + 2 F e S i O 3 + 3 S O 2. The copper (I) sulfide produced is converted …

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Data Refinery - LinkedIn

Dec 16, 2016· Step 3 (Copper): Impure Black Copper ... Well, hold on, since it is a copper mine, it is expected that 100 % of the revenue generated is from copper as the refining process is designed to extract ...

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Processes - extraction, mining, smelting, refining ...

Processes. Copper is found in natural ore deposits around the world. This page explains the production route taken from extraction of ore-containing rock to a final product that is the highest-purity commercial metal in existence and used in a wide variety of applications essential to …

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What Is the Process of Refining Silver?

Mar 27, 2020· Silver is found embedded in several different minerals, namely copper, zinc, and lead, and the refining process varies depending on the source. Silver derived from copper and its derivatives, including copper sulfide, requires different handling and refining techniques than silver minerals taken from zinc deposits and lead sources.

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Your Process Challenge for Copper - Heraeus

Blister copper is then casted into intermediary anodes which are further refined into copper cathodes (99.99% pure copper) through an electro-refining process. Cathodes are re-melted and processed into final end user products. Blister copper feed can be partially or fully replaced by secondary scrap to recycle end of life copper.

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(PDF) Sustainable copper production processes from mine to ...

cathodes in an electro ‐ refining process. The major process for smelting copper today is the Outotec Flash Smelting process, which

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Copper Anode Slime Recovery-Copper- - Metalcess

Copper Anode Slime Recovery. Anode slime is a byproduct from copper or lead electro-refining process. The copper/lead anode slime usually contain As, Sb, Bi and precious metals like gold and silver. Smelter of anode slime is most likely divided into two groups by the two different recovery processes based on its property and treatment capacity ...

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Metallurgic Processes | Boundless Chemistry

Electro-refining is used to dissolve an impure metallic anode (typically from a smelting process) and produce a high purity cathode. Fused salt electrolysis is another electrometallurgical process whereby the valuable metal is dissolved into a molten salt, which acts as the electrolyte, and the valuable metal collects on the cathode of the cell.

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copper extraction and purification - chemguide

Electrolytic refining. The purification uses an electrolyte of copper(II) sulphate solution, impure copper anodes, and strips of high purity copper for the cathodes. The diagram shows a very simplified view of a cell. At the cathode, copper(II) ions are deposited as copper. At the anode, copper goes into solution as copper(II) ions.

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Copper processing - Roasting, smelting, and converting ...

The final step consists of fire refining the blister copper to reduce the sulfur and oxygen to even lower levels. This oxidation-reduction process is usually carried out in a separate furnace to ensure that the final smelter product reaches the level of 99.5 percent copper that is required for electrolytic refining.

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Refining – Various Methods

Usually, it is a copper refining process against impurities. Firstly, the impure copper is kept in an anode furnace for two steps of refining. Next, iron and sulphur release in the form of iron oxide and sulphur oxide by blowing air. In this step, the iron oxides release from copper and gaseous sulphur oxide emits from furnace by off-gas system.

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The Process of Recycling Copper - Fair Salvage

The Process of Recycling Copper Recycled copper is abundantly available in many common materials and is also in high demand. Copper is slow to corrode and very conductive, making it the go-to choice for many electronics, plumbing and heating materials, wiring, fixtures, and electrical motors.

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Copper Production: How Is Copper Made? - ThoughtCo

Sep 26, 2019· The remaining mixture is a molten copper sulfide referred to as matte. The next step in the refining process is to oxidize liquid matte in order to remove iron to burn off sulfide content as sulfur dioxide. The result is 97-99%, …

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metallurgy - Refining | Britannica

metallurgy - metallurgy - Refining: Refining is the final procedure for removing (and often recovering as by-products) the last small amounts of impurities left after the major extraction steps have been completed. It leaves the major metallic element in a practically pure state for commercial application. The procedure is accomplished in three ways: refining by fire, by …

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Chapter 6 Copper Production Technology

ized in all phases of copper production. Both ma-chine and human productivity have increased dramatically. This chapter briefly describes the technology for producing copper, from exploration, through mining and milling, to smelting and refining or solvent extraction and electrowinning. The chap-ter begins with an overview of the history of cop-

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Developing new ways to advance copper production | MIT ...

Sep 25, 2018· "Professor Allanore's approach is a big step; it allows a completely new approach to refining copper." The three-year, $1.89 million DOE award will allow Allanore's group to make a larger reactor, producing about 10 times as much liquid copper per hour, and to run the reactor for a longer time, enough to identify what happens to the ...

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1. The following two reactions are possible methods ...

1. The following two reactions are possible methods for refining copper in the final step of a smelting process, i.e., getting pure copper (Cu) from copper ores found in rocks. Calculate the theoretical atom economy for each reaction. i. 2CuO(s) + C(s) → 2Cu(s) + CO2(g) ii.

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Refining Multiplication of Resources - No Man's Sky Wiki

Refining Multiplication of Resources is a guide. This guide will provide instructions and steps for maximum production of resources without having to collect or farm them (where possible). The objective is to obtain the maximum types and amounts of resources using only a Portable Refiner, Medium Refiner, Large Refiner. Some of these recipes use three ingredients, so a large refiner …

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Silver Refining Complete Process for the Amateur Refiner ...

Description: Step by step demonstration on how to test and refine Sterling and 925 silver into pure elemental silver metal crystal

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Copper Production in Zambia in Five Easy Steps. How it is ...

Jun 21, 2016· The concentrate is then purified further through a refining process. The copper is now nearly 99.99% pure, and is cast into distinct shapes, ready for shipping to world markets. Step 4. Oxide ore – treatment process: Copper is liberated from oxide ore through a chemical process known as leaching and solution extraction.

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Copper Refining - an overview | ScienceDirect Topics

In the electrolytic process, copper is electrodeposed to obtain a spongy powder deposit at the cathode rather than a smooth, adherent one. In this feature, it differs from the process of copper refining where a strongly adherent product is desired. Low copper ion concentration and high acid content in the electrolyte favor formation of powder deposits.

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Cobalt extraction - Wikipedia

Recovery from copper-cobalt sulfide concentrates. The ores are treated by a sulfatizing roast in a fluidized bed furnace to convert copper and cobalt sulfides into soluble sulfates and iron into insoluble hematite.The calcine is subsequently leached with sulfuric acid from the spent copper recovery electrolyte.Oxide concentrates are introduced at this leaching step to maintain the …

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