Send a Message

Contact Us

Company Address

Zhengzhou, China.

Copper Slag an overview ScienceDirect Topics

Copper slag, or fayalite slag, is a by-product obtained during the matte smelting, converting and refining of copper (Fig. 7.11). 54,59 It has been estimated that for every tonne of copper produced, about 2.2 tonnes of slag is generated, 60 as a consequence of the relatively low grades of copper

Copper Slag General Information, Process, Products

Copper slag is a by-product created during the copper smelting and refining process. Copper slag is a by-product obtained during the production of copper metal, which can be used as pozzolana in the production of cementing materials. Recycling copper slag to recover metals has been focused on copper recovery.

What is a Copper Slag? (with pictures) Info Bloom

Jan 28, 2021 B. Turner Date: January 28, 2021 Small nuggets of pure copper.. Copper slag is a by-product created during the copper smelting and refining process. As refineries draw metal out of copper ore, they produce a large volume of non-metallic dust, soot, and rock.

Recovery of Copper from Reverberatory Copper Slag and

dumped slag. The typical process uses crushing, milling and flotation. These operations create excessive liner wear rates during crushing and milling because the bond work index of copper slag is 22 kWh/t and this is considered a very hard slag. The process also has reduced flotation recoveries and requires high flotation reagent consumption.

US20060207289A1 Copper slag reclamation and recycling

A formulation (process) and production of a hard, tough material of ferro matasilicate lattice crystals and dispersed crystals of lead, ferro, copper, zinc, and antimony spinels in glassy matrix. Variation of the degree of crystallinity and the ratio of crystals control the properties of the resultant product. These are controlled though formulation, processing conditions and residence times

Management of copper pyrometallurgical slags: giving

depending on the method used to clean the final slag of the pyrometallurgical process. Eventually, minor amounts of zinc, molybdenum and noble metals such as gold and silver are presented. Since, final copper slag contain around 1% of copper, its recovery from the slag could be economically accepted if no expensive treatments are found, such as

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 0.97 0.59 Cu oxides 0.15 0.06 Cu sulphides 0.82 0.53 SiO 2 33.75 34.62 Al 2 O

The composition and environmental hazard of copper slags

Mar 01, 2005 The following slags were investigated: slag originated from the primary copper production process in the flash furnace of the Outtokumpuja Company in HM Głogów 2 (Sample S2): the same slag after

PROPERTIES AND EFFECTS OF COPPER SLAG IN CONCRETE

copper slag is very low as compared with the natural sand and it affects on workability of concrete. Results from specific gravity and water absorption tests revealed that copper slag has a specific gravity of 3.30 which is higher than that of sand, whereas the water absorption values for copper slag and sand

How copper is made material, used, processing, steps

The Manufacturing Process The process of extracting copper from copper ore varies according to the type of ore and the desired purity of the final product. Each process consists of several steps in which unwanted materials are physically or chemically removed, and the concentration of copper is progressively increased.

Copper slag selection process and equipment Prominer

The so-called copper slag copper selection process and equipment is a production line for processing copper smelting slag, and its main function is to recover the metal copper particles in the copper smelting slag. Therefore, the copper slag processing production line should be equipped with crushing, screening, washing, dehydration and other processes, similar to the

copper slag copper selection process and equipment,copper

Copper slag selection process and equipment. 09-20-20; 159 Views; icon 0; Copper slag selection process and equipment . The so-called copper slag copper selection process and equipment is a production line for processing copper smelting slag, and its main function is to recover the metal copper particles in the copper smelting slag.

Copper Slag General Information, Process, Products

Copper slag is a by-product created during the copper smelting and refining process. Copper slag is a by-product obtained during the production of copper metal, which can be used as pozzolana in the production of cementing materials. Recycling copper slag to recover metals has been focused on copper recovery.

Copper Slag for the Recovery of Metals and Valorisation of

The chemical composition of copper slag depends on the treatment process and furnace type, and is typically 30–40% Fe, 35–40% SiO 2,10% Al 2 O 3,10% CaO, and 0.5–2.1% Cu [2]. A significant portion of the produced slag is stockpiled [1], an option that may result in

Copper losses to slags obtained from the El Teniente process

determed by microscopic examination of the slag samples from El Teniente pyrometallurgical processes and some slag industrial data. El Teniente pyrometallurgical process Simplified flowsheet of the current pyrometallurgical process at Caletones Smelter with production capacity of 383 000 tons of copper annually, is presented in Figure 1.

Copper Production: How Is Copper Made? 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 0.5 and 2.0% copper.

The composition and environmental hazard of copper slags

The following slags were investigated: slag originated from the primary copper production process in the flash furnace of the Outtokumpuja Company in HM Głogów 2 (Sample S2): the same slag after

(PDF) USE OF COPPER SLAG AS SUSTAINABLE AGGREGATE

Slag from copper production, on the end of process contain less 0,8%. It is treat as a waste or used other field, but only in a few friction. The slag amount for waste management or storage

(PDF) Partial Replacement of Copper Slag as Fine Aggregate

Copper slag is an industrial by-product material produced from the process of manufacturing copper. For every ton of copper production, about 2.2 tons of copper slag is generated. It has been estimated that approximately 24.6 million tons of slag are generated from the world copper industry.

PROPERTIES AND EFFECTS OF COPPER SLAG IN CONCRETE

copper slag is very low as compared with the natural sand and it affects on workability of concrete. Results from specific gravity and water absorption tests revealed that copper slag has a specific gravity of 3.30 which is higher than that of sand, whereas the water absorption values for copper slag and sand

Recovery of Copper from Reverberatory Copper Slag and

dumped slag. The typical process uses crushing, milling and flotation. These operations create excessive liner wear rates during crushing and milling because the bond work index of copper slag is 22 kWh/t and this is considered a very hard slag. The process also has reduced flotation recoveries and requires high flotation reagent consumption.

Copper slag Wikipedia

Copper slag is mainly used for surface blast-cleaning. Abrasive blasting is used to clean and shape the surface of metal, stone, concrete and other materials. In this process, a stream of abrasive grains called grit are propelled toward the workpiece. Copper slag is just one of many different materials that may be used as abrasive grit.

COPPER Copper production Repository

Copper production About 80 % of Figure 1: Overview of copper production Benefication process Figure 2: Overview of a typical beneficiation process at a concentrator ( 95 wt % Cu) and to a copper-rich slag. The two ore types can be smelted together to produce matte and a slag with low copper content. Another product is top gas, which

SUSTAINABILITY OF COPPER SLAG PROCESSING FROM

Copper Slag Copper slag, which is produced during pyrometallurgical production of copper, contains a significant amount of Cu together with trace amounts of other heavy metals. According to Gorai et al. (2003), about 2,2 tons of copper slag is generated for every ton of copper production

copper slag copper selection process and equipment,copper

Copper slag selection process and equipment. 09-20-20; 159 Views; icon 0; Copper slag selection process and equipment . The so-called copper slag copper selection process and equipment is a production line for processing copper smelting slag, and its main function is to recover the metal copper particles in the copper smelting slag.

Copper slag Wikipedia

Copper slag is mainly used for surface blast-cleaning. Abrasive blasting is used to clean and shape the surface of metal, stone, concrete and other materials. In this process, a stream of abrasive grains called grit are propelled toward the workpiece. Copper slag is just one of many different materials that may be used as abrasive grit.

Copper Slag for the Recovery of Metals and Valorisation of

The chemical composition of copper slag depends on the treatment process and furnace type, and is typically 30–40% Fe, 35–40% SiO 2,10% Al 2 O 3,10% CaO, and 0.5–2.1% Cu [2]. A significant portion of the produced slag is stockpiled [1], an option that may result in

Recovery of Copper from Reverberatory Copper Slag and

dumped slag. The typical process uses crushing, milling and flotation. These operations create excessive liner wear rates during crushing and milling because the bond work index of copper slag is 22 kWh/t and this is considered a very hard slag. The process also has reduced flotation recoveries and requires high flotation reagent consumption.

COPPER Copper production Repository

Copper production About 80 % of Figure 1: Overview of copper production Benefication process Figure 2: Overview of a typical beneficiation process at a concentrator ( 95 wt % Cu) and to a copper-rich slag. The two ore types can be smelted together to produce matte and a slag with low copper content. Another product is top gas, which

SUSTAINABILITY OF COPPER SLAG PROCESSING FROM

Copper Slag Copper slag, which is produced during pyrometallurgical production of copper, contains a significant amount of Cu together with trace amounts of other heavy metals. According to Gorai et al. (2003), about 2,2 tons of copper slag is generated for every ton of copper production

Copper losses to slags obtained from the El Teniente process

determed by microscopic examination of the slag samples from El Teniente pyrometallurgical processes and some slag industrial data. El Teniente pyrometallurgical process Simplified flowsheet of the current pyrometallurgical process at Caletones Smelter with production capacity of 383 000 tons of copper annually, is presented in Figure 1.

Studies on use of Copper Slag as Replacement Material for

Aug 20, 2014 Large amount of copper slag are generated as waste worldwide during the copper smelting process. The world copper production is currently about 14.98 million tons (International Copper Study Group, 2005) and it is estimated that for every ton of copper produced, about 2.2tons of copper slag is generated as a waste [ 5 ].

Environmental Guidelines for Copper Smelting

Copper 1 Lead 0.2 Mercury 0.05 Particulates smelter 20 Particulates other sources 50 Slag should be landfilled or granulated and sold. Modern plants using good industrial practices should target on meeting releases for total dust of 0.5-1.0 kg/t copper and a discharge for SO2 of 25 kg/t copper. The double contact double absorption plant

By-Products Sterlite Copper (A Unit of Vedanta Limited)

Paver Blocks and Bricks manufacturing process Replacement of fine aggregate up to 25% (as per CRRI -New Delhi study conducted on copper slag). Concrete Applications Ferro Sand can replace river sand in fine aggregate up to 50% (as per IIT,Kanpur study report titled “Durability of Cement Concrete using Copper Slag”).

Manufacture process of copper SlideShare

Nov 16, 2016 b) Air is forced through pipes and reaction occurs leading to the formation of slag and a matte corresponding with the coarse metal of welsh process. c) The slag and matte flow into the fore hearth, the slag running away continuously from an opening in the fore hearth. d) Matte is collected from matte hole Fig.: Manhe’s Process 7. Md.

US4372542A Copper slag trap Google Patents

Disclosed are apparatus for and a method of continuously trapping slag during molten copper transfer wherein a refractory slag trap comprising baffles traps slag particles by providing areas of non-uniform flow within the molten copper melt thereby causing all constituents having a specific gravity less than that of molten copper to rise to the surface of the molten copper and form

Acids Hindalco

Copper slag (iron silicate) Copper slag is produced during the smelting process at Hindalco’s copper smelter located at Dahej. Aluminium fluoride: Hindalco produces aluminium fluoride by reacting HFA (a by-product of the phosphoric acid plant) with aluminium hydroxide (from Hindalco’s aluminium manufacturing facilities).

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