US20060207289A1 US11082435 US8243505A US2006207289A1 US 20060207289 A1 US20060207289 A1 US 20060207289A1 US 8243505 A US8243505 A US 8243505A US 2006207289 A1 US2006207289 A1 US 2006207289A1 Authority US United States Prior art keywords providing glass copper slag ceramic copper Prior art date 20050317 Legal status The legal status is an
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US20060207289A1 US11082435 US8243505A US2006207289A1 US 20060207289 A1 US20060207289 A1 US 20060207289A1 US 8243505 A US8243505 A US 8243505A US 2006207289 A1 US2006207289 A1 US 2006207289A1 Authority US United States Prior art keywords providing glass copper slag ceramic copper Prior art date 20050317 Legal status The legal status is an
Copper slag is a byproduct obtained during the matte smelting and refining of copper Singapore imports huge amount of copper slag to be used as abrasive material for ship clearing and repairing and resulting in used copper slag as waste material It has been estimated that 300000 tonnes of copper slag needs to be disposed annually
Jan 01 2014018332Copper recycling may also include copper recovery from process residues such as slag dust and sludges Often these types of coppercontaining residues are internally recycled within the plant However there is a need for bleeding and thus an outlet from the plant
These machines once used to process bauxite are the centrepiece of our metal slag processing operations Top quality copper nickel chromium and Co are recovered by LEGRAN at this facility It is able to do this thanks to the unique wet grinding system and downstream separation processes that it uses to treat spent refractories and
The recycling of industrial side streams is of interest for a sustainable use of resources and from an environmental perspective This paper deals with the reuse of copper slag and spodumene
Slag copper smelting high quality slag products is defined as Substance produced from heterogeneous mixtures of copper contained material formed during copper production by reduction at high temperature in molten state ie melting and processing in a furnace or by flotation processes
In this study copper slag reprocessing tailings CSRT were synthesized into geopolymers with 40 50 and 60 metakaolin The evolution of compressive strength and microstructures of CSRTbased geopolymers in a marine environment was investigated Except for compressive strength measurement the characterizations of Xray diffraction XRD Fouriertransform infrared spectroscopy FTIR
Copper Slag Recycling System alanglover Copper slag which is the waste material produced in the extraction process of copper metal in refinery plants has low cost and its application as a fine aggregate in concrete production reaps many environmental benefits such as waste recycling
environment slag recycling has attracted the attention of many scientists in recent years Boom et al2 reviewed the recent research trend on slags and found that there is significant increase in studies on recycling of slags and their environmental problems The ideal target is to develop a sustainable system loop that can convert all the
Tue Copper Slag Recycling System Soby Copper slag recycling in qatar Copper Slag Recycling System Copper slag is an abrasive blasting grit made of granulated slag from metal smelting processes ASARCO Smelting At the Asarco copper and silica form two layers at the bottom of the furnace The lighter top layer is a slag But the exhibits
Nov 01 2003018332Granulated copper slag is more porous and therefore has lower specific gravity and higher absorption capacity than aircooled copper slag The granulated copper slag is made up of regularly shaped angular particles mostly between 475 and 0075 mm No 200 sieve in size Emery 1986 Hughes and Haliburton 1973
Where required we take control of the liquid slag direct from the furnace area safely transporting it to other onsite areas where it is poured into confined pits cooled treated and conditioned Transforming slag into innovative seconduse products we work hard to reduce or eliminate the mass of material that is sent to landfill
Copper Slag is an aggressive abrasive primarily used for the surface preparation of metals and concrete surfaces Its bulk density and angular shape give it an aggressiveness that provides clean fastcutting actionincreasing production rates
slag and this constitutes one of the main byproducts 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 1Cu similar to the ore mined
For thousands of years copper and copper alloys have been recycled The entire economy of the copper and copper alloy industry is dependent on the economic recycling of any surplus products There is a wide range of copper based materials made for a large variety of applications
Parsons has measured relatively high proportions by weight of a number of toxic elements in the Penn Mine slag zinc levels as high as 28 percent copper levels up to 6 percent lead levels to 11
Apr 11 2005018332Copper slag contains many useful metals and slag making oxides which can be recovered and recycled by a high temperature direct reduction process The laboratory scale tests show that by suggested high temperature direct reduction of copper slags two products can be obtained a FeCuC alloy with precious metals content and an inert slag
Abstract Copper slag is a byproduct generated during smelting to extract copper metal from the ore The copper slag obtained may exhibit pozzolanic activity and may therefore be used in the manufa
In the matteslag system by far most of the tellurium was vaporized into the gas phase which is evident when combining the concentrations in matte and slag phases The vaporization was far less significant in the secondary copper smelting experiments ie the copper alloyslag system
Copper slag is a byproduct created during the copper smelting and refining process Copper slag is a byproduct 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
Recycling method for Fe is mainly roastingmagnetic separation recycling and recoverymagnetic separation recycling Gyurov made copper slag oxidation decomposed under pure oxygen system got different oxidation products at different temperatures and then recycled 9 Kim used petroleum coke as the reducing agent reduced copper slag under 1250
Aug 03 2020018332The common management options for copper slag are recycling recovering of metal production of value added products such as abrasive tools roofing granules cutting tools
Nickelcopper converter slag A 100 kVA and 200 kVA Using converter slag from a nickelcopper plant tests were carried out in 1990 on a 100 kVA furnace operated at 30 kW and on a 200 kVA furnace operated at 85 kW at low additions of reductant in order to minimize the reduction of iron
Copper Slag is an expendable synthetic mineral abrasive which is widely favoured for open nozzle blasting applications by virtue of its fast rates A range of grades is available to suit most applications View our comprehensive media guide to find the exact specification you require based on the type of application being used Sold in 25kg bags
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