Copper Slag Furnace Slag Copper

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Copper Slag Furnace Slag Copper

2020-08-01T02:08:09+00:00
  • Copper Slag - an overview ScienceDirect Topics

    Copper slag properties in reverberatory furnace smelting, flash smelting, and other processes are similar. A typical smelting slag contains approximately 30–45% FeO, 30–40% SiO2, 5–10% Al 2 O 3, 2–6% CaO, and 2–4% MgO (Kokal, 2006). Table 3.2 presents the wide-range chemical composition of copper slag from different sources.

  • Copper Loss in Slag - ResearchGate

    This chapter discusses the nature of copper in smelting and converting slags. It also describes strategies for minimizing the amount of copper lost from their disposal. Cu smelters produce two...

  • Minimization of Copper Losses in Copper Smelting

    The authors further consider that under exceptionally well-controlled conditions, a copper content in electric furnace discard slag between 0.55 wt.% and 0.7 wt.% can be obtained, by minimizing...

  • Copper Ore Brought from What Is Now Jordan Was

    03/10/2020  The surprising finds include a small workshop for smelting copper with shards of a furnace – a small installation made of tin in which copper ore was smelted – as well as a lot of copper slag.” The furnace may have been invented in the land of Israel, before the birth of the Jewish people.

  • Minimization of Copper Losses in Copper Smelting

    21/09/2012  The electric furnace or rotary slag-cleaning furnace are now generally used to perform this task, giving a level of copper in discard slag typically in the range of 0.55 wt.% and 1.3 wt.%, with most plants reporting copper losses in the discard slag in the range of 0.8–1.0 wt.%.

  • Cited by : 15
  • What is a Copper Slag? (with pictures) - wiseGEEK

    25/05/2020  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. Collectively, these materials make up slag, which can be used for a surprising number of applications in the building and industrial fields.

  • Recovery of copper from reverberatory furnace slag

    01/03/2004  The recovery of copper from reverberatory furnace slag utilizing flotation has been studied. The effective factors such as particle size, pH, the amount and type of collector and additives, and flotation time were examined. The effect of cooling rate on flotation behavior of the slag

  • Cited by : 97
  • SHAFT SLAG FURNACE (SSF) WWW.COPPER

    The raw material for the shaft furnace is the slag obtained from the fire refining of copper-containing scrap, with a copper content of 5% or more. Melting of the stock is carried out by burning of coke.

  • Pyrometallurgical recovery of copper from slag

    Reverberatory copper slag containing 0.35% copper was treated with sulfidizing agent in a rotary furnace rotating at 5 rpm. After two hours, the molten mass was discharged from the furnace, and the matte and slag phases separated.

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

    in a DC-arc furnace. This technology is applicable to the recovery of nickel, cobalt, copper, and platinum group metals from furnace or converter slags emanating from copper or nickel smelters treating sulphide concentrates. Pilot-plant testwork at Mintek has demonstrated

  • Minimization of Copper Losses in Copper Smelting

    21/09/2012  The electric furnace or rotary slag-cleaning furnace are now generally used to perform this task, giving a level of copper in discard slag typically in the range of 0.55 wt.% and 1.3 wt.%, with most plants reporting copper losses in the discard slag in the range of 0.8–1.0 wt.%.

  • Minimization of Copper Losses in Copper Smelting

    The authors further consider that under exceptionally well-controlled conditions, a copper content in electric furnace discard slag between 0.55 wt.% and 0.7 wt.% can be obtained, by minimizing...

  • SHAFT SLAG FURNACE (SSF) WWW.COPPER

    The raw material for the shaft furnace is the slag obtained from the fire refining of copper-containing scrap, with a copper content of 5% or more. Melting of the stock is carried out by burning of coke.

  • copper slag furnace slag copper - taxilaarbeek.nl

    Copper slag - enacademic Copper slag is an abrasive blasting grit made of granulated slag from metal smelting processes (also called iron silicate) Copper slag abrasive is suitable for blast cleaning of steel and stone/concrete surfaces, removal of mill scale, rust, old paint, dirt etc Suitable for SA-3, SA-2½ and SA-2 [24/7 online]

  • RECOVERY OF COPPER FROM COPPER SLAG AND COPPER SLAG ...

    The reverberatory furnace slag that has been dumped in the vicinity of the Bor Copper Smelter, Serbia, is currently processed by flotation using an existing production line at the nearby Bor Copper Concentrator. However, the copper recovery

  • Recovery of copper from reverberatory furnace

    01/03/2004  The recovery of copper from reverberatory furnace slag utilizing flotation has been studied. The effective factors such as particle size, pH, the amount and type of collector and additives, and flotation time were examined. The effect of cooling rate on flotation behavior of the slag was also studied.

  • Minimization of Copper Losses in Copper Smelting Slag ...

    understanding copper losses in slags from flash and bath processes and associated slag-cleaning opera-tions was established.7 However, the minimum levels of soluble copper under slag-cleaning condi-tions, such as in the electric furnace or the rotary slag-cleaning operation, are still not well estab-lished. The purpose of the current work is to

  • An Innovated Application of Reutilize Copper

    During the copper smelting process, copper-rich matte (sulphides) and copper slag (oxides) are formed as two separate liquid phases due to the addition of silica, forming strongly bonded silicate anions by combining with the oxides. The molten slag is discharged from the furnace at 1273–1573 K.

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  • Utilisation of copper slag for cement manufacture ...

    At 7 days the compressive strength of PSC from granulated blast furnace slag was lowered by 16.2% but in case of copper slag, the compressive strength was lowered by

  • Recovery of cobalt, nickel, and copper from

    in a DC-arc furnace. This technology is applicable to the recovery of nickel, cobalt, copper, and platinum group metals from furnace or converter slags emanating from copper or nickel smelters treating sulphide concentrates. Pilot-plant testwork at Mintek has demonstrated

  • Minimization of Copper Losses in Copper Smelting Slag ...

    understanding copper losses in slags from flash and bath processes and associated slag-cleaning opera-tions was established.7 However, the minimum levels of soluble copper under slag-cleaning condi-tions, such as in the electric furnace or the rotary slag-cleaning operation, are still not well estab-lished. The purpose of the current work is to

  • Copper Slag Furnace Slag Copper - city-kosmetik

    Copper Slag Furnace Slag Copper. During the process around 800000t of copper slag is generated within a year the joint study between sterlite industries i ltd and nccbm new delhi india aims to utilise copper slag as raw mix component in ordinary portland cement opc and as a blending,Copper slag furnace slag copper. Chat Online . Copper Slag An Overview Sciencedirect Topics. Specimens

  • Minimization of Copper Losses in Copper Smelting

    Copper Solubility in Slag As noted, the ultimate objective of the current work was to determine the minimum level of soluble copper that can be achieved in electric furnace slag cleaning when a small layer of molten copper is present. The lowest copper levels measured in the present experiments were 0.61 wt.%, 0.54 wt.%, g a l nS 0.6 i S %0.4 Fig. 6. The observed level of %S in slag ...

  • Copper Slag Furnace Slag Copper - usa2016.de

    Copper slag furnace slag copper. Copper slag that is derived by smelting of copper concentrates in a iron, which is added to the furnace charge, combines with phosphorus to form recovery of copper from copper blast furnace slag request pdf nov 6, 2018 secondary copper blast furnace sl. READ MORE; Copper slag manufacturer,copper slag powder

  • COMPARATIVE RESULTS OF COPPER FLOTATION FROM SMELTER SLAG

    treated for recovery of copper. Smelter slag of reverberatory furnace is obtained in the process of metallurgical con-verting of flotation copper concentrates in the Smelter in Bor. Experimental production of copper concentrate by flotation from smelter slag has begun in 2001. Slag in RTB plants is processed in a facility that was not designed for slag processing, but it was only adapted to ...

  • Copper Ore Brought from What Is Now Jordan Was

    03/10/2020  The surprising finds include a small workshop for smelting copper with shards of a furnace – a small installation made of tin in which copper ore was smelted – as well as a lot of copper slag.” The furnace may have been invented in the land of Israel, before the birth of the Jewish people. The scientists believe the reason for bringing the copper ore from what is now Jordan is that ...

  • Improving Beneficiation of Copper and Iron from Copper ...

    furnace slag and refining of copper in Tongling Non-ferrous Metals Group Holding Co., Ltd (Tongling, China). As shown in Table1, the main chemical compositions contained in the waste slag are 42.85 wt. % FeO and 31.11 wt. % SiO2, and the content of Cu reached 0.80 wt. %. The X-ray diffraction (XRD) spectrum of an average sample is shown in Figure1, indicating that the main crystal phases in ...

  • Hi-tech Metal Furnace of the Negev Alchemists

    05/10/2020  The advanced metal furnace excavation site near the modern-day city of Beersheba, Israel. (Talia Abulafia / Israel Antiquities Authority ) During the Beersheba pre-building survey, an extremely ancient advanced metal furnace for copper smelting and copper slag were discovered, said Talia Abulafia, site excavation director for the Israel Antiquities Authority.

  • Magnetite behaviour in Peirce Smith converters slag at Ilo ...

    The copper content in slag increases with the oxygen potential increasing, as shown in Figure 4, and at over 70% copper in the matte the oxygen potential rate of increase is higher. The data plotted in this figure show agreement with those reported by Hayashi3 for data obtained in the smelting furnace of the Naoshima smelter. The magnetite activity increases when increasing the ...

  • Copper losses to slags obtained from the El Teniente process

    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 followed by sedimentation stage. The reduction of magnetite decreases the slag viscosity and enhances the ...

  • Hi-tech Metal Furnace of the Negev Alchemists

    05/10/2020  During the Beersheba pre-building survey, an extremely ancient advanced metal furnace for copper smelting and copper slag were discovered, said Talia Abulafia, site excavation director for the Israel Antiquities Authority.

  • Minimization of Copper Losses in Copper Smelting

    Copper Solubility in Slag As noted, the ultimate objective of the current work was to determine the minimum level of soluble copper that can be achieved in electric furnace slag cleaning when a small layer of molten copper is present. The lowest copper levels measured in the present experiments were 0.61 wt.%, 0.54 wt.%, g a l nS 0.6 i S %0.4 Fig. 6. The observed level of %S in slag ...

  • Induction Furnace Cleaning Of Copper Slag

    Copper slag cleaning in an electric furnace is a critical process for reducing the excessive magnetite Fe 3 O 4 present in the copper slag to decrease the slag viscosity which can promote the sedimentation of mattecopper in the slag thus reducing the copper content of slag. Read More > Improving Beneficiation Of Copper And Iron From. 2.1.1. Copper Slag The copper slag used in the experiments ...

  • copper slag furnace slag copper - Feldspar

    copper content of the slag (both furnace and converter slag), Magma is reprocessing this waste for material recovery. Draft 2 August 1993 Teniente Converter slag cleaning in an Electric Furnace at the Las... FUNDAMENTALS OF SLAG CLEANING IN AN ELECTRIC FURNACE Forms of Copper CT slag contains from 6 to 10% of copper.

  • copper slag concentrator - klimaatwebsite.be

    Copper slag is generated out of copper concentrate while extracting copper in the copper smelting units It is composed of ferrosilicate material and oxide when the slag is quenched in the cold water This process makes the slag into a granule form resulting coarser and angular particl.

  • COMPARATIVE RESULTS OF COPPER FLOTATION FROM SMELTER SLAG

    Smelter slag is obtained in the process of metallurgical converting of copper concentrate in the Smel- ter Plant in Bor, Serbia. Today, the reserves of this material are evaluated at about more of a year, with the average copper content of 0.6-0.9%. Production of copper concentrate by

  • A STUDY ON REDUCTION OF COPPER SLAG FROM

    Slag that is generated in a fl ash smelting furnace during Polish copper concentrate processing shows a high copper fraction of 12 – 16 % mass.

  • MECHANISM OF BUILDUP FORMATION IN AN ELECTRIC FURNACE

    The copper slag cleaning in an electric furnace is based on slag reduction and settling of copper matte inclusions. Copper recovery depends on the slag temperature, degree of

  • Minimization of Copper Losses in Copper Smelting

    Such conditions include operating the electric furnace at metallic copper saturation, maintaining the %Fe in the electric furnace matte between 6 wt.% and 9 wt.%, not exceeding a slag temperature of 1250°C, and controlling the Fe/SiO 2 ratio in the smelting furnace slag at ≤1.5. In addition, magnetite reduction needs to be performed efficiently during the slag-cleaning cycle so as to ...

  • Management of copper pyrometallurgical slags: giving ...

    granulated copper slag is made up of regularly shaped angular particles, mostly between 4.75 and 0.075 mm3. Slags produced during pyrometallurgical processes have been traditionally considered as a waste3. In the case of copper extraction processes, it has been estimated that for every ton/year of copper produced, 2.2 ton/year of slag is generated, and approximately 24.6 million ton/year of ...