smelting oxidation desulfurization of copper slags

smelting oxidation desulfurization of copper slags
US3533779A Method for smelting lowsulfur copper

Prior art keywords smelting copper percent iron matte Prior art date 19680528 Legal status The legal status is an assumption and is not a legal conclusion

Copper Smelting Slag Recovery Metalcess

Copper smelting slag is produced from copper pyrometallurgy both smelting and converting stages usually grading at 0 33 The slag may also contains lead amp zinc minerals like galena sphalerite Copper mainly dwells in the slag in the form of bornite chalcocite chalcopyrite and metallic copper

PHYSICOCHEMICAL CHARACTERIZATION OF COPPER

PHYSICOCHEMICAL CHARACTERIZATION OF COPPER SLAG AND ALTERNATIVES OF FRIENDLY ENVIRONMENTAL MANAGEMENT M S 225ncheza M Sudburyb a Director Escuela Ciencias de la Tierra Universidad Andres Bello Salvador Sanfuentes Santiago Chile b Director MPS Consulting Oakville Ontario Canada Received 14 August 2012 accepted 15 March 2013

Response characteristics of iron smelting reduction

Materials Research Innovations The direct reduction of copper matte smelting slags is and H Wang Study on smelting oxidation desulfurization of copper

Smelting Oxidation Desulfurization of Copper Slags

According to the mechanism of sulfur removal easily through oxidation the process of smelting oxidation desulfurization of copper slags is studied which supplies a new thinking for obtaining the

desulfurization reducing production equipment

Desulfurization Adsorbent Find Lime Production Line Equipment For Sale Q widely applied to the steel smelting oxidation desulfurization of copper slags

Influence of slag composition on reduction control and

SiO2 Al2O3 MgO and CaO of the slag have on losses of copper to slag because it is the appropriate method for this kind of analysis2 Losses of copper in the slag may be in the form of dissolved oxides or mechanically entrained metal prills4 The data used in this investigation are actual plant data collected over a period of two years

Smelting Oxidation Desulfurization of Copper Slags

Smelting Oxidation Desulfurization of Copper Slags According to the mechanism of sulfur removal easily through oxidation the process of smelting oxidation desulfurization of copper slags is studied which supplies a new thinking for obtaining the molten iron of lower sulfur content by smelting reduction of copper slags

Study on Desulfurization Kinetics Model of LF Refining

The desulphurization kinetics in ladle refining was analyzed and the restrictive link for the desulfurization was selected based on previous research Then the kinetics of desulfurization model in LF refining was developed and the empirical formula of sulfur ratio was summarized The result by calculated shows that there is a good linear correlation between desulfurization rate and time and

The formation of magnetite in slag from the autogenous

Correlation dependences of magnetite and copper content in slags of products compositions slag and matte after autogenous smelting of sulphide copper zinc concentrates in Vanyukov s furnace were determined by the statistic analysis method It was defined the higher copper content in matte is the bigger magnetite share in slag is In

Smelting chlorination method applied to removal of copper

Jan 14 2015 nbsp 0183 32In order to reasonably utilize the iron resources of copper slags the smelting chlorination process was used to remove copper from copper slags Smelting chlorination method applied to removal of copper from copper slags Authors HU Jianhang WANG Hua Study on smelting oxidation desulfurization of copper slags J Journal of Iron

AP42 CH 12 9 Secondary Copper Smelting US EPA

The principal pollutant emitted from secondary copper smelting activities is particulate matter As is characteristic of secondary metallurgical industries pyrometallurgical processes used to separate or refine the desired metal such as the burning of insulation from copper wire result in emissions of metal oxides and unburned insulation

smelting and refining of copper nkozihomes

pmc refining of copper copper smelting process slag beneficiation copper ore processing smelting smelting oxidation desulfurization of copper slags smelting to extract copper sorting stripping shredding and magnetic separation of copper ore copper nickel bulk flotation copper ore concentrator for sale in sydney new south wales australia

Study on Recovering Iron from Smelting Slag by

In order to recover the iron in copper smelting slag quenched with water in smelters carbothermic reduction was adopted to reduce the iron oxide existing in different phase such as fayalite vitreous and magnetite in the slag to metal iron In the optimum conditions it was demonstrated that the metallization efficiency of iron could reach more than 86 1

Copper matte slag reaction sequences and separation

of copper concentrate and synthetic slag was contacted at 1300 176C and quenched after short time intervals With this technique the sequences and reaction paths occurring between reacting concentrate flux matte and slag can be evaluated 1 2 Copper MatteSlag Interactions in Flash Smelting In general copper matte smelting can be described

Copper Blast Furnace SmeltingCopper metalcess

For copper metallurgy Metalcess supplies low investment copper blast furnace for Copper ore copper sulfide ore coppernickel sulfide ore smelting to produce copper anode Contact Us smelting of copper coppernickel sulfide after sintering desulfurization normally less than 0 3 metal in slag 6 Simple equipment and light investment

Study on Smelting Oxidation Desulfurization of Copper Slags Journal of Iron and Steel research international 19 WANG Hua HU Jianhang Smelting Copper

Slags copper smelting Registration Dossier ECHA

EC number 2669683 CAS number 67711926 Slag resulting from the smelting of a heterogeneous mixture of copper and precious metals from primary and secondary sources and plant reverts Major constituents are iron oxide and silicon dioxide with minor amounts of copper lead nickel and various nonferrous metals and oxides

Kinetics of the conversion of copper sulfide to

The desulfurization of copper sulfide by air and oxygen has been studied in two laboratory reactors where the gas is blown onto the melt surface Rates of oxidation

THE INFLUENCE OF THE SILICATE SLAG COMPOSITION ON

THE INFLUENCE OF THE SILICATE SLAG COMPOSITION ON COPPER LOSSES DURING SMELTING OF THE SULFIDE CONCENTRATES Ž Živković N Mitevska I Mihajlović and Đ Nikolić University of Belgrade Technical Faculty Bor 19210 Bor Serbia

Study on selective Precipitation Valuable Constituent in Copper Smelting Slags PhD dissertation WANG Hua Study on smelting oxidation desulfurization of copper

US5180422A Copper smelting process Google Patents

A copper smelting process is disclosed in which copper concentrate is smelted in a furnace to produce purified copper Flue gas discharged from the furnace is treated to produce sulfuric acid Furthermore waste liquid discharged during the production of sulfuric acid is treated to produce gypsum and the gypsum thus produced is recycled to the furnace as a flux

Copper Smelter Generalized Elmhurst College

Copper Smelter Generalized Copper Smelting Process The copper electrodes are immersed in a solution of sulfuric acid and copper II sulfate Oxidation occurs at the anode therefore copper metal is converted to copper II ions with the release of two electrons

Looping Sulfide Oxidation ™ Process for Anode Copper

The copper melt is sent to anode casting and then on to electrolysis Description of Looping Sulfide Oxidation™ Copper Smelting Process Looping Sulfide Oxidation™ of copper concentrates feature three major steps desulfurization smelting and looping oxide regeneration Figure 2

Alternative Reduction of Copper Matte in Reduction Process

Jul 26 2017 nbsp 0183 32Three experiments are reduction of copper matte alone reduction of copper matte in slag and reduction of copper matte in alloy Temperature is 1723 K Highpurity graphite powder carbon content greater than 99 99 was as reducing agent and CaO purity greater than 98 00 was as the carrier of sulfur

Available online at

Issue 12 Smelting Oxidation Desulfurization of Copper Slags 15 is presented in Table 1 It shows that iron content of the copper slag is 38 55 which is well worth to

copper flotation from converter slags DBM Crusher

smelting oxidation desulfurization of copper slags Copper Smelting Industry Description energy released during oxidation of the sulfur in the ore impurities as converter slag and to form blister copper Live Chat Blast Furnace Smelting Article about Blast Furnace copper flotation from converter slags goldenpalmcoin Get Price

Sintering flue gas desulfurization with

Sintering flue gas desulfurization with different carbon materials modified by microwave irradiation Shan Ren Fuqiang Guo Qi Zhao Jie Yang Lu Yao Ming Kong College of

Download Free Kinetics of Copper Reduction from

Download Kinetics of Copper Reduction from Molten Slags Book Ebook the process of smelting oxidation desulfurization of copper Kinetics of copper

Smelting Oxidation Desulfurization of Copper Slags

According to the mechanism of sulfur removal easily through oxidation the process of smelting oxidation desulfurization of copper slags is studied which supplies a new thinking for obtaining the molten iron of lower sulfur content by smelting reduction of copper slags