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smelting oxidation desulfurization of copper slags

Smelting Oxidation Desulfurization of Copper Slags ...

01-12-2012  Copper slags smelting oxidation desulfurization is gas-liquid reaction, possible reaction process of which can be illustrated as the following equations: Cu2S+-02-f-;ySi02=Cu20 Â ySi02+S02 (1) FeS- -02+xSi02=FeO Â xSi02+S02 (2) 16 Journal of Iron and Steel Research, International Vol. 19 It consists of five steps as follows: 1) 02 diffusion from the main gas body to the gas-liquid interface.

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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.

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Smelting Oxidation Desulfurization of Copper Slags ...

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 ...

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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. Special attention is given to the effects of the holding temperature, the holding time and CaF2, CaO addition amounts on the ...

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Smelting Oxidation Desulfurization Of Copper Slags

Smelting Oxidation Desulfurization Of Copper Slags. Slags copper smelting registration dossier echa,EC number: cas number: 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 non-ferrous metals ...

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Smelting Oxidation Desulfurization of Copper Slags ...

Smelting Oxidation Desulfurization of Copper Slags 【摘要】: 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.

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Smelting Oxidation Desulfurization of Copper

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. Special attention is given to the effects of the holding temperature, the holding time and CaF2, CaO addition amounts on the ...

More

Smelting Oxidation Desulfurization of Copper

Smelting Oxidation Desulfurization of Copper Slags 【摘要】: 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.

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Journal of Iron and Steel Research,International

Journal of Iron and Steel Research,International Smelting Oxidation Desulfurization of Copper Slags 2012 Issue 1006-706X

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“Physicochemical characterization of copper slag and ...

Copper smelting, residual metal recovery, stockpile elimination, by-product recovery. 1. Introduction . Ferrous and non ferrous slags have been the subject of research for some time seeking uses in a wide spectrum of possible applications [1]. Most of the copper produced in the world (80% 90%)- is coming from sulphide ores that require oxidation

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Materials Free Full-Text Influence of

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

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smelting deoxidation cooper slags Sulfur

smelting deoxidation cooper slags - Free download as PDF File (.pdf), Text File (.txt) or read online for free. smelting deoxidation cooper slags

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oxidation smelting process - ME Mining Machinery

Smelting Oxidation Desulfurization of Copper Slags. 01/12/2012 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.

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Smelting Oxidation Desulfurization of Copper

论文服务: 摘 要: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.Special attention is given to the effects of the holding temperature, the holding time and CaF2 ...

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Smelting chlorination method applied to removal

In order to reasonably utilize the iron resources of copper slags, the smelting chlorination process was used to remove copper from copper slags. Higher holding temperature and O 2 flow rate are beneficial to increasing copper removal rate.

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[PDF] Influence of Desulfurization with Fe2O3 on

The optimum addition of Fe2O3 was 15.0 g per 100 g nickel slag, while the desulfurization ratio was 36.84% and the rates of nikel, cobalt and copper recovery were

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Smelting Oxidation Desulfurization of Copper

论文服务: 摘 要: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.Special attention is given to the effects of the holding temperature, the holding time and CaF2 ...

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smelting deoxidation cooper slags Sulfur

smelting deoxidation cooper slags - Free download as PDF File (.pdf), Text File (.txt) or read online for free. smelting deoxidation cooper slags

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Removing sulfur dioxide from smelting flue and

01-09-2019  Increasing the utilization of copper tailing and flue gas desulfurization is significant for copper smelters. Copper tailing, derived from the copper production, was applied to flue gas desulfurization and increasing utilization of copper tailing and smelting gas with low concentrations of SO 2 by preparing slurries composed of copper tailing and water.

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Journal of Iron and Steel Research,International

Journal of Iron and Steel Research,International Smelting Oxidation Desulfurization of Copper Slags 2012 Issue 1006-706X

More

Smelting chlorination method applied to removal

In order to reasonably utilize the iron resources of copper slags, the smelting chlorination process was used to remove copper from copper slags. Higher holding temperature and O 2 flow rate are beneficial to increasing copper removal rate.

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(PDF) Looping Sulfide Oxidation ™ Process for

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).

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Recovery of Copper from Copper Smelting Slag

A new process is proposed for recovering copper from smelting slag using waste cooking oil as a green reductant. More than 70% of waste cooking oil pyrolysis products is hydrogen. In this study, a...

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SOLUBILITY OF COPPER IN AUTOGENOUS SMELTING SLAG A. V ...

slags generated in advanced autogenous copper smelting processes used in Russia, i.e., Vanyukov smelting process (PV) and oxygen-flame smelting (KFP). The temperature of the tests was maintained at two levels: 1523 K and 1573 K. Preliminary tests had indicated that

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A novel strategy for harmlessness and reduction of

15-01-2021  Copper smelting slags are difficult to achieve harmlessness and reduction because of the presence of abundant of fayalite (Fe 2 SiO 4).This work proposed a novel strategy for harmlessness and reduction of copper smelting slags by alkali disaggregation of Fe 2 SiO 4 coupling with acid leaching. The disaggregation changed the Fe 2 SiO 4 phase by NaOH and released the embedded harmful and ...

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Characteristics and utilisation of copper slag—a

01-11-2003  Reports are also available (Sirajiddinov et al., 1993) for the use of copper smelting slags as feldspar substituting fluxes in the production of ceramic facing tiles. The mechanical strength of tiles made from kaolinitic clay and copper slags increased sharply in the temperature range of intense sintering (1100 °C) due to the formation of a liquid phase and strengthening effect during its ...

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Smelting Oxidation Desulfurization of Copper

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

More

“Physicochemical characterization of copper slag and ...

Copper smelting, residual metal recovery, stockpile elimination, by-product recovery. 1. Introduction . Ferrous and non ferrous slags have been the subject of research for some time seeking uses in a wide spectrum of possible applications [1]. Most of the copper produced in the world (80% 90%)- is coming from sulphide ores that require oxidation

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CONVERTING USING ISASMELTTM TECHNOLOGY

27-10-2006  The smelting stage involves the oxidation of the feed to form a copper matte and ... copper smelting within a smelting and refining operation in Lünen, Germany [6]. ... ISACONVERTTM furnace - are the slag chemistry, desulfurization of the blister copper, containment of

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US5180422A - Copper smelting process - Google

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.

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Copper Smelting Technology Trends - LinkedIn

Copper Loss in Slag: The slag from the smelting process is cooled, crushed and ground before flotation to recover copper sulphides and copper metal. Typically, slags may contain 3% copper but ...

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(PDF) Microscale simulation of settler processes in

Microscale simulation of settler processes in copper matte smelting. Metallurgical and Materials Transactions B, 2000. Heikki Jalkanen. Download with Google Download with Facebook. or. Create a free account to download. Download Full PDF Package. This paper. A short summary of this paper.

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[PDF] Influence of Desulfurization with Fe2O3 on

The optimum addition of Fe2O3 was 15.0 g per 100 g nickel slag, while the desulfurization ratio was 36.84% and the rates of nikel, cobalt and copper recovery were

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Slag PM – Recovery Precious Metals from Old Slag

While slags are generally used to remove waste in metal smelting, they can also serve other purposes, such as assisting in the temperature control of the smelting, and minimizing any re-oxidation of the final liquid metal product before the molten metal is removed from the furnace and used to make solid metal.

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Slag - Wikipedia

Slag is the Limestone-like by-product left over after a desired metal has been separated (i.e., smelted) from its raw ore.Slag is usually a mixture of metal oxides and silicon dioxide.However, slags can contain metal sulfides and elemental metals. While slags are generally used to remove waste in metal smelting, they can also serve other purposes, such as assisting in the temperature control of ...

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Figure 6 from Influence of Desulfurization with

18-02-2021  DOI: 10.3390/ma13102423 Corpus ID: 218984321. Influence of Desulfurization with Fe2O3 on the Reduction of Nickel Converter Slag @article{Wei2020InfluenceOD, title={Influence of Desulfurization with Fe2O3 on the Reduction of Nickel Converter Slag}, author={G. Wei and Yun Wang and R. Zhu and Lingzhi Yang}, journal={Materials}, year={2020}, volume={13} }

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