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Copper Slag Cleaning Furnace

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Reduction of Magnetite from Copper Smelting Slag

The copper smelting slag reduction experiments were carried out in a slag cleaning electric furnace as shown in Fig 1 Six electrodes were settled in the upper zone of the electric furnace As the reducing agents petrodiesel or biodiesel was sprayed into the copper smelting slag layer with nitrogen through the spray guns settled in two ends of

Reduction of copper smelting slag using waste cooking

Nov 01 2019 Copper slag cleaning in an electric furnace consists of two steps hightemperature reduction and melt separation through sedimentation Hightemperature reduction which primarily reduces the excessive Fe 3 O 4 in slag to FeO is a critical step as it involves a chemical process that depends on many variables

Diagnose for valorisation of reprocessed slag cleaning

Sep 01 2018 The commercial slag is produced in the slag cleaning furnace SCF where under high temperature 1250 C and reducing atmosphere its remaining copper content 5 approximately decrease below to 1 and flue dust mainly enriched of Zn and Pb among other metals is formed Seetharaman et al 2014 Schlesinger et al 2011

Slagcleaning furnace Mining Weekly

Copper panels will cool the furnace sidewalls to protect them from slag conditions a separate gascleaning plant being installed so that no additional load is placed on existing environmental

Copper smelting combined with slag cleaning Inco Limited

Flash furnace 29 has three products copper metal 33 slag 35 and offgas 37 Copper metal 33 is advantageously maintained at a semiblister grade this grade being definable as copper metal along with a small visually observable amount of white metal Cu 2 S The copper metal product 33 is subsequently subjected to a conventional converting

Improving Beneficiation of Copper and Iron from

The copper slag used in the experiments is a byproduct generated during the cleaning of electric furnace slag and rening of copper in Tongling Nonferrous Metals Group Holding Co Ltd Tongling China As shown in Table1 the main chemical compositions contained in the waste slag are 4285 wt

Copper Smelting Technology Trends LinkedIn

Aug 23 2017 The matte is separated from the slag by difference of specific gravity in the slag cleaning furnace The matte is further oxidized to form blister copper Cu 985 in the converting furnace

Cleaning copper and NiCo slags The technical economic

Apr 23 2000 Cleaning copper and NiCo slags The technical economic and environmental aspects Abstract Cu Ni Co Slag Cleaning Commentary Cleaning Copper and NiCo Slags The Technical Economic and Environmental Aspects Norbert L Piret In todays nonfer from slag by settling if entrained par process to mattemetal using topsub rousmetal smelting ticles are not too finely

US6436169B2 Method of operating a copper smelting

In a method of operating a copper smelting furnace wherein a ferrous substance containing more than 80 wt metallic iron having a specific gravity of 3080 and particle diameter of 0315 mm is added to copper smelting slag containing Fe having an oxidationreduction number of 3 and to the Fe 3 O 4 in the intermediate layer thereby deoxidizing the Fe 3 O 4 to FeO the method reduces the

What is a Copper Slag with pictures wiseGEEK

Jan 28 2021 This material represents a popular alternative to sand as a blasting medium in industrial cleaning Using blasting or highpressure spraying techniques companies can use copper slag to clean large smelting furnaces or equipment Slag blasting is also used to remove rust paint and other materials from the surface of metal or stone This helps

Black Beauty Granulated Furnace Slag Burwell

Safety Data Sheet 16 December 2020 Page 1 of 6 Black Beauty Granulated Furnace Slag 1 IDENTIFICATION OF THE MATERIAL AND SUPPLIER Product Material Name Black Beauty Granulated Furnace Slag Other Names Copper slag Recommended Use Industrial abrasive media Supplier Name Burwell Abrasive Blasting Equipment Pty Ltd Supplier Address 291 Milperra Road

Recovery of Copper from the Slag of Khatoonabad Flash

Jun 05 2013 Copper loss in the slag of Khatoonabad flash smelting furnace is estimated to be about 13 At present the electric slag cleaning furnace is used for the recovery of copper from slag However due to low recovery efficiency of electric furnace along with high consumption of electrical energy and water selection of a method to enable minimum energy consumption and maximum

Recovery of Copper from the Slag of Khatoonabad Flash

Copper loss in the slag of Khatoonabad flash smelting furnace is estimated to be about 13 At present the electric slag cleaning furnace is used for the recovery of copper from slag However due to low recovery efficiency of electric furnace along with high consumption of electrical energy and water selection of a method to enable minimum energy consumption and maximum recovery of copper

Copper Sulphuric Acid

Concentrate and oxygenenriched air 3035 O2 enter the smelting furnace through vertical lances and are smelted to produce a matte of 65 to 69 Cu and lowcopper slag Fuel must be burned to satisfy the heat balance in the smelter chamber The highgrade matte flows to the electric slag cleaning furnace

Copper Slag for surface blastcleaning and Abrasive blasting

Copper Slag We are leading manufacturer Supplier amp exporter of Copper Slag This product is appreciated for its hardness and free from silica Our products are made up of using premium quality granulated slag in order to maintain their adherence to universally accepted norms

slag melting furnace slag melting furnace Suppliers and

Hot sale granulated blast furnace slag cleaning mesh machine in industrial furnace US 56006299 Set 10 Sets oil heat furnace melting machine for sand iron scrap slag furnace slag scrap refinery steel furnace coal furnaces for glass cleaning copper furnace gold furnace home furnace slag crusher granule blast furnace slag blast furnace

Slagcleaning furnace only one of its kind in platinum

The slagcleaning furnace is better equipped to handle the chrome and can run at high temperatures The circular shape of the slagcleaning furnace leads to higher bath power density turbulence

Improving Copper Recovery from Production Slags by

Keywords slag cleaning stirring mode copper slag submerged arc furnace stirring reactor Abstract Slags resulting from pyrometallurgical copper processes are important byproducts to be controlled in structure and composition Due to the significant volumes of slag compared with those of the

PDF Physical Chemistry of Copper Smelting Slags and

Dec 05 2020 Implementation of slag cleaning process in the first electric furnace in Chilean copper smelters generated a series of fundamental questions on the effect of various factors determining the rate


slag cleaning reactor It creates the conditions that the furnace is overdimensioned for the amount of slag from Teniente Converter together with charged solid reverts Efficiency of copper recovery from a slag in an electric furnace depends on number of factors The furnace dimensions play significant role determining slag circulation pattern

Minimization of Copper Losses in Copper Smelting Slag

In the quest to achieve the highest metal recovery during the smelting of copper concentrates this study has evaluated the minimum level of soluble copper in ironsilicate slags The experimental work was performed under slagcleaning conditions for different levels of Fe in the matte and for a range of FeSiO SUB 2 SUB ratios in the slag All experiments were carried out under conditions

How to reduce the magnetite formation in copper slag

A slag from a primary converter and a slag from a secondary reverberatory furnace were leached with cyanide solutions to dissolve the copper Under optimum conditions up to 90 of the copper could

Copper losses to slags obtained from the El Teniente

Teniente slag cleaning furnaces for decoppering The El Teniente slag cleaning furnace process is based on an intensive reduction of magnetite and copper content in molten slag produced at the El Teniente converter by injection of a solid liquid or gaseous reductant directly in to the molten slag through specially designed tuyeres

Recovery of cobalt nickel and copper from slags using

In the slagcleaning process considered here the furnace would be operated with a layer of electrically conductive coke or coal covering the slag As the electrodes of the AC furnace penetrate this layer there exists the possibility of the current flowing between the electrodes on the surface of the slag