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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.
MoreAccording 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.
MoreThe 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 ...
MoreAccording 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 ...
MoreSmelting 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 ...
MoreSmelting 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.
MoreAccording 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 ...
MoreSmelting 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.
MoreJournal of Iron and Steel Research,International Smelting Oxidation Desulfurization of Copper Slags 2012 Issue 1006-706X
MoreCopper 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
MoreLi 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
Moresmelting deoxidation cooper slags - Free download as PDF File (.pdf), Text File (.txt) or read online for free. smelting deoxidation cooper slags
MoreSmelting 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.
More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 ...
MoreIn 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.
MoreThe 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
More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 ...
Moresmelting deoxidation cooper slags - Free download as PDF File (.pdf), Text File (.txt) or read online for free. smelting deoxidation cooper slags
More01-09-2019 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.
MoreJournal of Iron and Steel Research,International Smelting Oxidation Desulfurization of Copper Slags 2012 Issue 1006-706X
MoreIn 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.
MoreThe 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).
MoreA 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...
Moreslags 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
More15-01-2021 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 ...
More01-11-2003 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 ...
MoreAccording 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
MoreCopper 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
More27-10-2006 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
MoreA 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.
MoreCopper 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 ...
MoreMicroscale 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.
MoreThe 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
MoreWhile 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.
MoreSlag 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 ...
More18-02-2021 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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