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

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

Smelting chlorination method applied to removal of copper

The results mdicate that the rate of copper slags smelting oxidation desulfurization depends on the matte mass transfer rate through the slag phase After the oxidation treatment, sulfur of copper

Available online at sciencedirect ScienceDirect

by smelting reduction with copper slag has been successively solved Key words: copper slag; smelting oxidation desulfurization; additive; gas-liquid reaction Copper slags are silicates melted by smelting copper burden and fuels, which contain the main sim­ ple oxides of …

Smelting Oxidation Desulfurization Of Copper Slags

Management of copper pyrometallurgical slags: … Management of copper pyrometallurgical slags: In this table slag corresponding to flash smelting furnace,

Desulfurization of Copper-Iron Reduced from Copper Slag

With the development of copper smelting process, strong oxidation process is put into practice Copper matte grade is higher, and copper element in smelting slag is also higher At present, the most common use of copper slag is that copper slag is diluted to obtain copper matte and tailings

smelting oxidation desulfurization of copper slags

Home smelting oxidation desulfurization of copper slags smelting oxidation desulfurization of copper slags According to the mechanism of sulfur removal e[#] Smelting - Wikipedia driving off other elements as gases or slag The development of copper smelting in the Andes,

Characteristics and utilisation of copper slag—a review

Copper slag, which is produced during pyrometallurgical production of copper from copper ores contains materials like iron, alumina, calcium oxide, silica etc

Management of copper pyrometallurgical slags: giving

materials from copper slag Recovery of copper, molybdenum, precious metals, silica and iron, Recovery of copper, molybdenum, precious metals, silica and iron, that is the most abundant component of the slag, are the goals for this research

PHYSICOCHEMICAL CHARACTERIZATION OF COPPER SLAG AND

PHYSICOCHEMICAL CHARACTERIZATION OF COPPER SLAG AND ALTERNATIVES OF FRIENDLY ENVIRONMENTAL MANAGEMENT M Sáncheza, M Sudburyb,* a Director Escuela Ciencias de la Tierra Universidad Andres Bello Salvador Sanfuentes, Santiago, Chile

Characteristics and utilisation of copper slag—a review

Iranian copper slag was used in formulating unglazed floor tiles (Marghussian and Maghsoodipoor, 1999) 40 wt% of copper slag mixed with clay and sand material fired at 1025 °C for 1 h gives the standard floor tiles with bend strength 57 MN/m 2, water absorption of 2 …

Management of copper pyrometallurgical slags: giving

materials from copper slag Recovery of copper, molybdenum, precious metals, silica and iron, Recovery of copper, molybdenum, precious metals, silica and iron, that is the most abundant component of the slag, are the goals for this research

Alternative Reduction of Copper Matte in Reduction Process

Material of experiment 2 is copper slag, whose diameter is between 030 mm to 071 mm Experiment 2 was done to verify alternative reduction of copper matte in copper slag 150 g copper slag, 3818 g CaO and 2333 g graphite powder were mixed and put in alumina crucible Alloy got in experiment 2 is named alloy 2 in the following

PHYSICOCHEMICAL CHARACTERIZATION OF COPPER SLAG …

PHYSICOCHEMICAL CHARACTERIZATION OF COPPER SLAG AND ALTERNATIVES OF FRIENDLY ENVIRONMENTAL MANAGEMENT M Sáncheza, M Sudburyb,* a Director Escuela Ciencias de la Tierra Universidad Andres Bello Salvador Sanfuentes, Santiago, Chile

Copper matte - slag reaction sequences and separation

While particle combustion and chalcopyrite oxidation in suspension smelting is well understood, few studies are available regarding the melt-melt reactions and the separation between copper matte and slag in matte smelting

Copper Blast Furnace Smelting-Copper-

Application of blast furnace in copper metallurgy includes direct smelting of copper oxide and smelting of copper/copper-nickel sulfide after sintering/desulfurization

SMELTING ~ Technology Industry Of Gold Mining

Smelting the concentrate produces a metal or a high-grade metallic mixture along with a solid waste product called slag This includes iron extraction from iron ore, and copper extraction and other base metals from their ores

123 Primary Copper Smelting

123 Primary Copper Smelting 1231 General1 Copper ore is produced in 13 states In 1989, Arizona produced 60 percent of the total U S ore Fourteen domestic mines accounted for more than 95 percent of the 145 megagrams (Mg)

Smelting & Reduction - vschtcz

Smelting Smelting is a process of melting and separation of the charge into two or more immiscible liquid layers,which may be slag, matte, speiss or metal

Copper Smelting - IFC

Copper Smelting 293 and transfer points, and dust collection equip-ment Yards should be paved and runoff water routed to settling ponds Regular sweeping of

Copper Smelting - IFC

Discard slag may contain 05–07% copper and is frequently used as construction material or for sandblasting Leaching processes produce residues, while ef-fluent treatment results in sludges, which can be sent for metals recovery The smelting process typically produces less than 3 tons of solid waste per ton of copper produced

US6395059B1 - Situ desulfurization scrubbing process for

The distribution coefficients of As and Sb between the sulphate slag and copper were 2181 and 870 respectively Likewise, the distribution coefficient of lead between the Cu 2 O slag and copper was 27 Distribution coefficient is defined as the ratio of the impurity …

“Physicochemical characterization of copper slag and

1 Physicochemical characterization of copper slag and alternatives of friendly environmental management Mario SÁNCHEZ 1*, Michel SUDBURY 2 1* Department of Metallurgical Engineering, University of Concepción, Chile

Slags, copper smelting - Registration Dossier - ECHA

Slags, copper smelting EC number: 266-968-3 | CAS number: 67711-92-6 Slag resulting from the smelting of a heterogeneous mixture of copper and precious metals from primary and secondary sources and plant reverts

Effects of SiO2 and Al2O3 Contents of Converter Slag on

Using ladle slag, ferrovanadium smelting slag as well as metallurgical auxiliary materials as raw materials, the converter slag with SiO2 content of 113% to 28%, Al2O3 content of 33% to 194% were prepared The melting characteristics of slag were measured, at 1600 °C both dephosphorization and desulfurization tests of slag were conducted

Copper Smelting An Overview - [PDF Document]

Copper Smelting - An Overview H R Traulsen, J C Taylor, and D B George SUMMARY Investment costs for copper smelter projects have Tlsen substantially in recent years,…

Copper extraction - Wikipedia

Thus, the two factors that most affect the loss of copper to slag in the smelting stage are: matte grade; mass of slag This means that there is a practical limit on how high the matte grade can be if the loss of copper to slag is to be minimized Therefore, further stages of …

AP-42, CH 129: Secondary Copper Smelting - US EPA

removed as slag Then, by reducing the furnace atmosphere, cuprous oxide (CuO) is converted to Figure 129-2 High-grade brass and bronze alloying

Crystallization Behaviors of Copper Smelter Slag Studied

Crystallization Behaviors of Copper Smelter Slag Studied Using Time-Temperature-Transformation Diagram Yong Fan1, Etsuro Shibata2,+, Atsushi Iizuka 2and Takashi Nakamura

Influence of slag composition on reduction control and

The effects of Fe3O4 content in SCF slag on control of copper in SCF slag Magnetite (Fe 3 O 4 ) is formed in the flash smelting furnace by oxidation of iron in the concentrates