botswana slag processing copper iron

Copper processing Roasting, smelting, and converting

Copper processing Copper processing Roasting, smelting, and converting: Once a concentrate has been produced containing copper and other metals of value (such as gold and silver), the next step is to remove impurity elements In older processes the concentrate, containing between 5 and 10 percent water, is first roasted in a cylindrical, refractorylined furnace of either the hearth or

cobalt processing | Uses, Supply, & Facts | Britannica

From copper and nickel processing Cobalt contained in and smelted with copper concentrate is oxidized along with iron during the final conversion to blister copper It then enters the slag layer, which can be treated separately, usually in an electric furnace, and the cobalt recovered by reduction with carbon to a copperironcobalt alloy In

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RECOVERY OF COPPER FROM COPPER SLAG AND COPPER

Recovery of copper from copper slag and copper slag flotation tailings 75by oxidative leaching Table 1 Chemical compositions of the copper smelter slag and the slag flotation tailings Constituent Content (wt%) Copper Slag Slag Flotation Tailings Cu – total 097 059 Cu – oxides 015 006 Cu – sulphides 082 053 SiO 2 3375 3462 Al 2 O

Metal slag processing // REMONDIS´ Lippe Plant

The special feature of LEGRAN’s metal slag processing system at the Lippe Plant is the way the material is treated The slag and spent refractories need to be pulverised before they can be processed and this job is carried out by a rod and ball mill which dates back to the time when the site used to produce aluminium

Smelting Wikipedia

Smelting is a process of applying heat to ore in order to extract a base metalIt is a form of extractive metallurgyIt is used to extract many metals from their ores, including silver, iron, copper, and other base metalsSmelting uses heat and a chemical reducing agent to decompose the ore, driving off other elements as gases or slag and leaving the metal base behind

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THE ESTIMATION OF SLAG PROPERTIES USP

and to optimise the efficiency of the process and quality control An example of process control is that the slag compositions should have a high Scapacity to maximise transfer of S from the metal to slag; this is usually achieved by using a liquid, highbasicity flux If de

Copper Mining and Processing: Processing of Copper Ores

Copper processing is a complicated process that begins with mining of the ore (less than 1% copper) and ends with sheets of 9999% pure copper called cathodes, which will ultimately be made into products for everyday useThe most common types of ore, copper oxide and copper sulfide, undergo two different processes, hydrometallurgy and pyrometallurgy, respectively, due to the different

botswana slag processing pper iron

botswana slag processing pper iron Waste recycling Solutions for sorting waste to recover The range of materials found in the waste is diverse and consists primarily of various plastics composite materials organic materials such as wood paper and green waste mineral fractions and elements of iron and non ferrous metals

Slag Wikipedia

Slag is the glasslike byproduct left over after a desired metal has been separated (ie, smelted) from its raw oreSlag is usually a mixture of metal oxides and silicon dioxideHowever, slags can contain metal sulfides and elemental metals While slags are generally used to remove waste in metal smelting, they can also serve other purposes, such as assisting in the temperature control of

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Improving Beneficiation of Copper and Iron from Copper

waster copper slag reached 140 million ton by 2015 in China [6] Generally, copper slag contains about 35–45 wt % iron and 05–15 wt % copper, indicating that it is a valuable secondary resource for recycling and utilization [3] However, more than 80% of copper slag has not been effectively

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BCL Smelter Rebuild Project Outotec

BCL’s original nickel smelter was built during the 1970’s, with Outotec Flash Smelting technology The approximately 4,200 employee operation produces around 50,000 tpa of granulated high and low sulfur matte that contain nickel, copper, cobalt, iron, and sulphur, as well as precious and platinum group metals

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Recovery of Copper from Reverberatory Copper Slag and

Recovery of Copper from Reverberatory Copper Slag index of copper slag is 22 kWh/t and this is considered a very hard slag The process also Copper slag is +2a form of olivine, a magnesium, iron and silicate mineral with the formula (Mg , Fe+2) 2 SiO 4 The production of nano silica from the dissolution of olivine is an economic option when

Manufacturing Process of Copper ThoughtCo

Sep 26, 2019· Copper processing is a complex process that involves many steps as the manufacturer processes the ore from its raw, mined state into a purified form for use in many industries Copper is typically extracted from oxide and sulfide ores that contain between 05 and 20% copper

Mining Waste | Special Wastes | Wastes | US EPA

Mining waste; phosphate rock mining, beneficiation, and processing waste; and uranium waste are three of the six special wastes identified October 21, 1976 —Congress passes the Resources Conservation and Recovery Act (RCRA) (Public Law 94580) which requires EPA to develop regulations governing the identification and management of hazardous

A physicochemical separation process for upgrading iron

A separation process for upgrading iron from waste copper slag was developed • The process mainly includes reduction, crushing and magnetic separation steps • The magnetic product obtained from the process contains over 65 wt% iron • The percentage recovery of iron in the process was over 85%

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Environmental Guidelines for Nickel Smelting and Refining

metals such as copper, and precious metals, and consideration should be given to further processing for their recovery Slag can be used as construction material after nickel recovery as appropriate (eg return of converter slag to the furnace) Sanitary sewage effluents require treatment in a separate facility or discharged to a municipal sewer

Member Companies | National Slag Association

National Slag Association 112 Airport Road, Suite 304 Coatesville , PA 19320 Phone: 6108575356

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RECOVERY OF COPPER FROM SMELTING SLAG BY

Dissolution of copper and iron from the calcine was found to be very fast and was complete within the first few minutes The water temperature in the leaching step was found to have 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

Recovery of Copper and Silver by Flotation from Smelting

Copper slag is composed of iron silicate obtained by smelting copper concentrate and silica flux One of the most important criteria for the utilization of this secondary resource is the recovery of iron from the slag matrix to decrease the volume of dumped slag The molten oxidation process

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123 Primary Copper Smelting

123 Primary Copper Smelting 1231 General1 Copper ore is produced in 13 states In 1989, Arizona produced 60 percent of the total iron sulfide Because copper has a higher affinity for sulfur than oxygen, the copper in the slag (as and slag processing also contribute to fugitive dust problems Control of SO2 from smelters is commonly

Copper slag Wikipedia

Copper slag is a byproduct of copper extraction by smelting During smelting, impurities become slag which floats on the molten metal Slag that is quenched in water produces angular granules which are disposed of as waste or utilized as discussed below 1 Characteristics 21 Grit Blasting 22 Construction Characteristics

Basics of slag production Article on the slag industry

Oct 27, 2011· BOS Slag Process When molten iron (referred to as “hot metal”) from the blast furnace is to be converted into steel, the main tasks are the removal of carbon, silicon and phosphorus The LD (LinzDonawitz) process is by far the most widely used, and takes its name from the towns where it was developed

Copper extraction Wikipedia

Alternatively, the copper can be precipitated out of the pregnant solution by contacting it with scrap iron; a process called cementation Cement copper is normally less pure than SXEW copper Commonly sulfuric acid is used as a leachant for copper oxide, although it is possible to use water, particularly for ores rich in ultrasoluble sulfate

Waste Management and Treatment of Copper Slag BCL, Selebi

The slag dumped just outside the mine poses to be a big issue for the environment as copper slag contains heavy metals associated with copper, nickel, cobalt, iron and lead which can seep to underground water [5]Recovery of metals from dump/slag to profit the plant is considerable cost driver to the process as it will enhance reduction of slag

Copper slag Wikipedia

Copper slag is a byproduct of copper extraction by smelting During smelting, impurities become slag which floats on the molten metal Slag that is quenched in water produces angular granules which are disposed of as waste or utilized as discussed below 1 Characteristics 21 Grit Blasting 22 Construction Characteristics

Basics of slag production Article on the slag industry

Oct 27, 2011· BOS Slag Process When molten iron (referred to as “hot metal”) from the blast furnace is to be converted into steel, the main tasks are the removal of carbon, silicon and phosphorus The LD (LinzDonawitz) process is by far the most widely used, and takes its name from the towns where it was developed

Copper extraction Wikipedia

Alternatively, the copper can be precipitated out of the pregnant solution by contacting it with scrap iron; a process called cementation Cement copper is normally less pure than SXEW copper Commonly sulfuric acid is used as a leachant for copper oxide, although it is possible to use water, particularly for ores rich in ultrasoluble sulfate

Waste Management and Treatment of Copper Slag BCL, Selebi

The slag dumped just outside the mine poses to be a big issue for the environment as copper slag contains heavy metals associated with copper, nickel, cobalt, iron and lead which can seep to underground water [5]Recovery of metals from dump/slag to profit the plant is considerable cost driver to the process as it will enhance reduction of slag

How copper is made material, used, processing, steps

Copper is one of the basic chemical elements In its nearly pure state, copper is a reddishorange metal known for its high thermal and electrical conductivity It is commonly used to produce a wide variety of products, including electrical wire, cooking pots and pans, pipes and tubes, automobile radiators, and many others

Characteristics and utilisation of copper slag—a review

Copper slag (CS) is a byproduct obtained from the process of copper manufacturing (Schlesinger et al, 2011), with approximately 40 million ton of the slag generated annually worldwide (Obe et al

iron slag crushers glasinloodentiffanynl

For more information, please visit the website: chinagrindingmill/ iron slag copper slag decoKnow More crusher for pig iron cast iron slag How To Process Gold Ore iron ore mining blast frurnace for sale Blast , mill price,iron ore crusher,mobile crusher for pig iron cast iron slag

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Management of copper pyrometallurgical slags: giving

Some properties of a typical copper slag are shown in Table I, and it can be observed that aircooled copper slag has a black colour and glassy appearance The specific gravity varies with iron content, from 28 to 38 The unit weight of copper slag is somewhat higher than that of conventional aggregate The absorption capacity of the

Manhès–David process Wikipedia

The Manhès–David process is a refining process of the copper mattes, invented in 1880 by the French industrialist Pierre Manhès and his engineer Paul David []Inspired by the Bessemer process, it consists of the use of a converter to oxidise with air the undesirable chemical elements (mainly iron and sulfur) contained in the matte, to transform it into copper

Recovery of cobalt, nickel, and copper from slags, using

Mintek has been working on the recovery of cobalt, and the associated valuable metals, from slags, since 1988, using DCarc furnace technology to effect selective carbothermic reduction of the oxides of cobalt, nickel, copper, (and zinc, where present), while retaining the maximum possible quantity of iron as oxide in the slag

(PDF) A littleknown extractive process: Iron smelting in

A littleknown extractive process: Iron smelting in naturaldraft furnaces Article (PDF Available) in JOM: the journal of the Minerals, Metals &

DIDION Rotary Dross / Slag Metal Reclaimers | Dross & Slag

DIDION Rotary Dross / Slag Metal Reclaimers liberate and reclaim valuable metallics from large slag & dross chunks using a patented design The machine features a Dynamically Isolated Articulated Concentric Crusher with serrated teeth that

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Smelting & Reduction

Smelting is a process of melting and separation of the charge into two or more immiscible liquid layers,which may be slag, matte, speiss or metal The di!erent types of smelting are: (i) reduction smelting; (ii) matte smelting; and (iii) flash smelting

Extraction of Platinum Group Metals | IntechOpen

Owing to the difference in specific gravities of matte and slag, the slag forms a top layer Matte being denser than slag falls through the slag layer and settles underneath the slag Matte consists of base metal sulphides (cobalt, copper, iron and nickel) Matte serves as a collector for the PGMs [6, 7, 14]

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