smelting oxidation desulfurization of copper slags

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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

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 Brief Profile Last updated 06042020 Print

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

Smelting Oxidation Desulfurization Of Copper Slags Alibabacom offers 31850 slag products about 6 of these are other metals metal products 4 are refractory and 1 are other metal scrap a wide variety of slag options are available to you such as slag silicate cement portland cement and

【】：In order to reasonably utilize the iron resources of copper slags the smelting chlorination process was used to remove copper from copper holding temperature and O2 flow rate are beneficial to increasing copper removal rate

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

In tube furnace the desulfurization of copper slag was investigated by changing the temperature and flow rate of CO 2 Thermodynamic simulation using FactSage 71 shows that increasing temperature

The roasting behaviors for chalcopyrite copper slag and pure copper compounds were investigated in a 05 SO2–05 O2–99 Ar atmosphere at 600°C Xray fluorescence spectroscopy xray diffractometry scanning electron microscopy and energy dispersive xray spectrometry were used to characterize the raw materials and roasting products

The chemical composition of copper slag varies with the type of furnace The typical composition of smelting slags is Fe as FeO Fe 3 O 4 30–40 SiO 2 35–40 Al 2 O 3 up to 10 and CaO up to 10 The density of copper slag varies between 316 and 387 gcm 3

Slags copper smelting 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

Mar 11 2018 · The oxidation and reduction of molten copper slag were carried out and agreed well with theoretical calculations Sulfur in slag can be dropped to 023 wt and the utilization rate of air is in the range of 1498–7339 The copper recovery rate can reach 8382 and the residue copper can be reduced to 028 wt

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

Li et al studied the process the smelting oxidationreduction process of copper slags with air blowing And results show that the sulfur content can be reduced

Jun 15 2020 · 1 Introduction Copper is an indispensable basic raw material for modern industry however the grade of copper ore is relatively low in China for the reason that the copper mines are dominated by lean ore associated ore and symbiotic ore especially in the process of smelting it is necessary to add fluxes such as calcium oxide and silica thus producing a large amount of copper smelting

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

Any copperI oxide present will be converted into copperI sulfide during the smelting process because copper has a higher affinity for sulfur than it does for oxygen for example Cu 2 O FeS → Cu 2 S FeO Impurities form a slag which floats on the surface and is easily removed One of the reactions to remove iron impurities is shown below

Keywords Fayalitic slags slag cleaning carbothermic reaction composition reduction Cu 2 O FeO x The objective of this thesis was to study the process of reduction of cuprous oxide by carbon from copper flash smelting slags The flash smelting and slag cleaning

nitrogen to reduce Cu in copper slag1112 Kawy and Ahmed using reflection furnace to achieve smelting and recycling of copper anode the cathode and the residual13 Zhou X used copper slag to produce weathering resistant steel14 By comparing contents of main component in the stainless steel and copper slag it is known that we can

will enable better management of the copper losses in the smelting slag This is resulting from the fact that regulation of the input charge composition can be used for control of the copper losses in the smelting slag also the degree of desulphurization obtained during oxidative roasting can be used for control of the copper content in the

the smelting furnace Poor extraction of copper from the concentrate leads to significant copper losses with slag wastes eg 2 To reduce copper losses a detailed understanding of the matteslag chemistry is necessary In the present work a number of slag samples taken from different stages of an Inco flash

Aug 23 2017 · The Physical Chemistry of Copper Smelting Slags and Copper Losses at the Paipote SmelterPart 2 – Characterisation of industrial slags Canadian

Copper processing Copper processing Roasting smelting and converting Once a concentrate has been produced containing copper and other metals of value such as gold and silver the next step is to remove impurity elements In older processes the concentrate containing between 5 and 10 percent water is first roasted in a cylindrical refractorylined furnace of either the hearth or

Show full abstract from molten copper smelting furnace slags by carbothermic reduction As a continuation of this Bureau research on the carbon injection technique reverberatory and electric