Menu
Keywords Namibia Custom Smelters NCS process a range of copper concentrates in their three furnaces namely top Metallurgical engineering submerged lance copper converter and reverberatory furnaces in order to produce mattes and fayalitic slags The Materials characterization copper content of the slags range between to 5 wt % and this is considered too high for disposal to the
Get Price
In recent years there has been a move toward recovering copper from converter type slags by milling and flotation The term converter type slag is intended to represent a slag that contains a high amount of magnetite Fe 3 O 4 and a low amount of silica Such slags typically contain 7 30 percent magnetite and 20 30 percent silica SiO 2
Get Price
123 Primary Copper Smelting and long chain alcohols are used for the flotation of copper or the copper in the slag Know More flotation of pgm converter slag
Get Price
Flotation Of Pgm Converter Slag India Crusher Mill slag dust coming out PF Series Impact Chat Now milling and flotation of slow cooled copper slag milling and flotation of slow cooled copper slag sulphate in ball mill of mill in the word and avoid the destructive impact and severe Chat Now impacts of slag mill and flotation mining crusher machine impacts of slag
Get Price
How to Recover Copper from Slag by Flotation Flotation of Copper From SlowCooled Converter Slags The results of flotation tests on slags cooled in air and in the induction furnace are shown in table 23 Examination of the data indicates that a relatively fine grind is required to liberate the entrained metallic particles A 30minute grind resulted in 98 percent of the pulp passing 200 mesh
Get Price
They also reported that the copper content of most smelter slags is normally around 1 2 wt % while that of the converter slag lies between 2 and wt % This higher content for the latter is due to over oxidation and entrapment of metal droplets during the converting process Corresponding author
Get Price
This slag contains large amounts of metallic values such as copper and cobalt A representative slag sample containing % Cu % Co and % Fe was used in the experimental studies Two different methods direct acid leaching and acid baking followed by hot water leaching were used for recovering Cu and Co from the slag
Get Price
Types of Copper Product 10 Recycle of Copper and Copper Alloy Scrap 11 Summary 12 Reference 12 Suggested Reading 12 2 Production and Use 13 Copper Minerals and Cut off Grades 14 Location of Extraction Plants 17 Price of Copper 29 Summary 29 References 29 3 Production of High Copper Concentrates e
Get Price
copper slag flotation plant copper slag flotation machine copper flotation from converter slags YouTube Slag Crusher Machine for iron copper lead is used for crushing Slag in the Slag A Study of the Optimal Model of the Flotation Kinetics of Archives of Mining Sciences In this study the effect of Contact Supplier Get Price
Get Price
Pyrometallurgical production of copper generates two slags smelting furnace slag and converter slag which contain 2% Cu and 2 8% Cu respectively The following three methods are generally utilized for recovering the copper from these slags on an industrial scale i recycling of the converter slag to the smelting furnace ii cleaning
Get Price
The item Recovery of copper from converter slags by flotation by V E Edlund and S J Hussey represents a specific individual material embodiment of a distinct intellectual or artistic creation found in University of Missouri Libraries
Get Price
Tailings from an industrial copper slag cleaning milling and flotation circuit have been pre reduced at low temperatures well below its melting point using CH 4 H 2 Ar mixtures with the aim of metallizing its iron oxide component to metallic iron The treatment carried out at 700 900 °C with a duration of up to 90 min indicated a complete transformation of magnetite within the first 30
Get Price
slag converter slag reverberatory furnace slag and so on [1 2] In a typical copper pyrometallurgical process approximately tons of waste CSS generated for every ton of copper produced [3 4] The annual global output of CSS is an average of 25 million tons In China blister copper production is about million tons generating more than 8 million tons CSS every year [1 5] At
Get Price
A Copper Flotation Flowsheet Because the copper in this type of ore usually assays only plus or minus 1% copper the porphyry copper operations must be relatively large in order to be commercial The flowsheet in this study illustrates a typical 3 000 ton per day operation In general most operations of this type have two or more parallel
Get Price
The table shows just how long the smallest After the slag has solidified the exsolved copper matte droplets can take to settle Besides droplet and suspended matte particles respond well to size the biggest influences on settling rate are froth flotation As a result converter slags have temperature and slag silica content Higher long been
Get Price
The Teniente Converter slag is transferred to a slag cleaning furnace HLE pulverised coal is injected and the slag temperature maintained with oxygen fuel burners The coal reduces the content of magnetite in the bath decreasing slag viscosity and copper particles are released to form a rich copper matte >70% Cu which is returned to the Peirce Smith Converter6 Slag cleaning in an
Get Price
Converter slag Reverbetory furnace slag Copper recovery Flotation Milling and grinding ABSTRACT Namibia Custom Smelters NCS process a range of copper concentrates in their three furnaces namely top submerged lance copper converter and reverberatory furnaces in order to produce mattes and fayalitic slags The copper content of the slags range between to 5 wt % and this is considered
Get Price
Copper slag flotation was studied on an industrial scale at a concentrator plant in the region of Atacama Chile This study consisted of the physical chemical and mineralogical characterization of the copper slag along with preliminary flotation tests This article focuses on industrial flotation which consisted of two oneyear campaigns 2024 and 2024
Get Price
as high as 4 8 mass% Cu in converter slags while smelter slags usually contain 1 2 mass% Cu Copper can occur in slags as a dissolved copper present mostly as Cu ions and b mechanically entrained droplets of matte Schlesinger King Sole and Davenport 2024 The substantial amount of copper and the massive amount
Get Price
A study of the recovery of copper cobalt nickel and zinc from copper converter slag by roasting with ferric sulphate is reported Roasting of converter slag with ferric sulphate followed by
Get Price
Copper slag wastes even if treated via processes such as flotation for metal recovery still contain heavy metals with hazardous properties posing environmental risks for disposal This study reports the potential use of flotation waste of a copper slag FWCS as iron source in the production of Portland cement clinker The FWCS appears a suitable raw material as iron source containing >59%
Get Price
The roasting magnetic separation process is the route to convert the metals into a desired phase which can be easily separated from the slag through mixing copper slag with calcium oxide as fluxes and carbon as a reducing agent then roasting the mixture at a temperature of about 1200 1300 °C followed by magnetic separation to recover iron from the copper flotation slag [18 19 20 21 22]
Get Price
Leaching of copper and zinc from copper converter slag May 01 2024 0183 32 Over 15 Mt of dumped slags including converter slag flotation tailings which contain up to 6000 t copper and 60 000 t zinc are produced yearly by the copper smelting plants of the Ural Mining and Metallurgical Company UMMC alone Significant areas required for stockpiling of the slags and the products of their
Get Price
The Effect of Copper Bearing Particles Liberation on Copper Recovery from Smelter Slag by Flotation Microscopy Analysis of Copper Slag and Its Processing by Flotation By Daniela Urosevic Extractive Metallurgy of Copper By Marlene Sarahi Cano Distinct regions of medial rostral prefrontal cortex supporting social and nonsocial functions By Paul Burgess Extractive Metallurgy of
Get Price
A flotation process in which copper ores or copper converter slags are ground and firstly have added thereto benzotriazole or alkyl benzotriazole as an activator and secondly one or more collectors selected from the group consisting of xanthates dithiophosphates thiocarbamate esters dithiocarbamates mercaptans and dixanthogens and further if desired a promoter such as kerosene light oil
Get Price
Converter slags from slag blowing stages may contain copper few per cent up ot 20 w % t As the concentrate from slag flotation is recirculated back ot smel ting stages ch emical co mposition espe cially impurity content of the flotable mineral section of slag is interesting Optical and microanalytical investigations of so lidified slags X ray microanal ysis using Cameca Mi crosonde MS
Get Price
The strategy adopted by ENAMI to increase the copper concentrate inventory was reflected on the evaluation and implementation of a new copper source the flotation of copper slag CS from the HVL smelter by using the existing CS flotation circuit in the plant Background for the present study
Get Price
copper slag recovery through a flotation route Almost in all of the flotation methods used to recover copper from slags the Cu recovery was associated with many problems such as high grade of copper in tailing In the present study the use of grinding time increased the copper slag recovery a lot In this research work the flotation
Get Price
All these three furnaces produce fayalite slag as a byproduct The slags contain copper with the content ranging between to 5% copper The slags cannot be discarded due to the high content of copper and hence they are sent to a milling and flotation plant Slag Mill Plant for liberation and recovery of copper This work focuses on optimizing
Get Price
A flotation process in which copper ores or copper converter slags are ground and firstly have added thereto benzotriazole or alkyl benzotriazole as an activator and secondly one or more collectors selected from the group consisting of xanthates dithiophosphates thiocarbamate esters dithiocarbamates mercaptans and dixanthogens and further if desired a promoter such as kerosene light oil
Get Price