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  • RECOVERY OF COPPER FROM COPPER SLAG AND COPPER SLAG

    The reverberatory furnace slag that has been dumped in the vicinity of the Bor Copper Smelter, Serbia, is currently processed by flotation using an existing production line at the nearby Bor Copper Concentrator. However, the copper recovery

    Minimization of Copper Losses in Copper Smelting Slag

    21-09-2012· A significant portion of the copper loss in discard slag from such furnaces is present as dissolved copper in the form of Cu 2 O, especially toward the higher oxygen potential range of operating furnaces (higher matte grades, Fe/SiO 2 > 1.5), or in the form of soluble copper oxysulfides when the slag is equilibrated with mattes of lower grade (mattes <65% Cu or >12% Fe).

    Improving Copper Recovery from Production Slags by

    The slag type used in copper industry is normally a fayalitic based slag. After processing the slag in the submerged arc furnace the slag still contains valuable metals. A typical slag composition including the main metal contents is given in Table 1.

    EFFICIENCY OF COPPER RECOVERY FROM A SLAG IN THE LARGE

    Efficiency of copper recovery from a slag in an electric furnace depends on number of factors. The furnace dimensions play significant role, determining slag circulation pattern and velocity, mass transfer onto slag/coke and slag/electrodes reaction surface,

    Copper Smelting Slag Cleaning in an Electric Furnace by

    16-10-2020· ISASMELT copper slag. A representative ISASMELT copper slag sample was obtained from Copper Inc. in China. A mixture of matte and slag tapped from the ISASMELT furnace is a periodic operation. The mixture mainly consists of matte at the early stage during tapping, and then it changes into a mixture dominated by slag at the later stage.

    Copper losses to slags obtained from the El Teniente process

    Results obtained show that the main part of copper losses in the slag from El Teniente Furnaceare mechanically entrapped or floated unsettled droplets of the coexisting matte phase. by thecontrary the very low copper losses in the slag from slag cleaning furnace are limited by thephysico-chemical form.

    ISASMELT TM SLAG CHEMISTRY AND COPPER LOSSES IN THE

    Each furnace is rotated by a hydraulic drive linked to the furnace by a chain. By rotat-ing the furnace one way or the other, the operator can either pour the slag into the hauler pot or pour matte into a pot in the aisle. The maximum rate of slag skimming is control-led to minimize the copper content of the slag.

    Recovery of Copper from Reverberatory Copper Slag and

    leaching of copper from copper slag is shown in Figure 1. RESULTS AND DISCUSSION Table I gives the chemical composition of the copper slag; the results are obtained by using X-ray fluorescence analysis. It can be observed from the analysis that iron, silicon and calcium are the major constituents. Table I. Chemical analysis of copper slag.

    Recovery of cobalt, nickel, and copper from slags, using

    Nickel-copper converter slag 'A'- 100 kVA and 200 kVA Using converter slag from a nickel-copper plant, tests were carried out, in 1990, on a 100 kVA furnace (operated at 30 kW) and on a 200 kVA furnace (operated at 85 kW), at low additions of reductant (in order to minimize the reduction of iron).

    Reductive-sulfurizing smelting treatment of smelter slag

    copper-cobalt matte and cleaned slag were determined. The results showed that copper and cobalt contents in cleaned slag could decrease averagely to 0.18% and 0.071% respectively after cleaning. 91.99% Cu and 92.94% Co and less than

    copper slag furnace slag copper celinalesiewicz.pl

    a brief review on blast-furnace slag and copper. There are many studies reused granulate blast-furnace slag (GBFS) and copper slag (CS) as a part of fine aggregate Others recycled them as a part of binder.

    Recover Copper from Reverberatory Furnace Slag

    22-07-2019· Recover Copper from Reverberatory Furnace Slag. Laboratory and pilot plant investigations have indicated that copper recoveries of 50% can be achieved with fine grinding and flotation of a copper reverberatory furnace slag. Microscopic and microprobe studies indicate that the recoverable copper is in the form of matte, chalcocite, and metallic

    EFFICIENCY OF COPPER RECOVERY FROM A SLAG IN THE

    Efficiency of Copper Recovery from a Slag in the Large Electric Furnace Figure 4: Calculated copper content in a slag versus time based on simple gravitational settling and gravitational coalescence model The gravitational coalescence model did not show significant removal of metallic copper.

    12.3 Primary Copper Smelting

    Slag produced by flash furnace operations contains significantly higher amounts of copper than reverberatory or electric furnaces. Flash furnace slag is treated in a slag cleaning furnace with coke or iron sulfide. Because copper has a higher affinity for sulfur than oxygen, the copper in the slag (as copper oxide) is converted to copper sulfide.

    ASARCO » Smelting

    Slag The slag is a dense, glassy material of mostly iron and silica. It is tapped from a hole in the upper part of the furnace wall and carried outside to the slag dump to cool.A slag pour resembles a man-made lava flow and can be quite spectacular at night. The slag cools quickly and

    Recovery of Copper from Reverberatory Copper Slag and

    leaching of copper from copper slag is shown in Figure 1. RESULTS AND DISCUSSION Table I gives the chemical composition of the copper slag; the results are obtained by using X-ray fluorescence analysis. It can be observed from the analysis that iron, silicon and calcium are the major constituents. Table I. Chemical analysis of copper slag.

    Utilisation of copper slag for cement manufacture

    01-05-2007· Using copper slag as a raw material for the manufacture of OPC. Materials and methods: The raw materials limestone, copper slag, granulated blast furnace slag and bauxite were characterised for their chemical and mineralogical properties using standard procedures. The results are presented in Table 1 and Figure 1.

    The use of waste, fine-grained carbonaceous material in

    15-03-2021· In the flash melting furnace, such a composition allows blister copper to be directly obtained, along with a slag containing considerable quantities of copper, lead, and iron. The sulfur level in the slag is very low (approx. 0.04 wt%), much lower than the average sulfur levels in other slags produced in pyrometallurgical operations aimed at obtaining copper from sulfide ores (0.5–2.7 wt%).

    A Study on Reduction of Copper Smelting Slag by

    Copper smelting slag is a solution of molten oxides created during the copper smelting and refining process, and about 1.5 million tons of copper slag are generated annually in Korea. The oxides in copper smelting slag include ferrous (FeO), ferric oxide (Fe2O3), silica (SiO2 from flux), alumina (AI2O3), calcia (CaO) and magnesia (MgO). The main oxides in copper slag, which are iron oxide

    Copper slag: The leaching behavior of heavy metals and its

    01-04-2021· 1. Introduction. Copper slag (CS) is a type of solid waste associated with the production of the copper metal. Approximately 2–3 tons of CS are generated when producing 1 ton of copper metal,.The annual production of CS is approximately 40 million tons worldwide .During the previous decades, large amounts of CS have been produced because of the rapid growth of the mining industry in China.

    copper slag furnace slag copper Salzgrotte Stein

    Utilisation of copper slag for cement manufacture Article . 1. 3 days compressive strengths of PSC's from granulated blast furnace slag and copper slag were lower by 17.2 and 27.2% respectively compared to the control OPC. 2.

    copper slag furnace slag copper celinalesiewicz.pl

    a brief review on blast-furnace slag and copper. There are many studies reused granulate blast-furnace slag (GBFS) and copper slag (CS) as a part of fine aggregate Others recycled them as a part of binder.

    RECOVERY OF COPPER FROM COPPER SLAG AND COPPER SLAG

    Recovery of copper from copper slag and copper slag flotation tailings 75by oxidative leaching Table 1. Chemical compositions of the copper smelter slag and the slag flotation tailings Constituent Content (wt.%) Copper Slag Slag Flotation Tailings Cu total 0.97 0.59 Cu oxides 0.15 0.06 Cu sulphides 0.82 0.53 SiO 2 33.75 34.62 Al 2 O

    Copper Slag Furnace Slag Copper viewofcarla.de

    Minimization Of Copper Losses In Copper Smelting Slag. Electric furnace slag from the paipote smelter together with a given amount of silica sand to obtain two different fesio 2 ratios in the slag 14 and 16 the composition of the slag sample received from 2 6 furnace copper copper copper copper 2 3. Get Price

    Improving Copper Recovery from Production Slags by

    Keywords: slag cleaning, stirring mode, copper slag, submerged arc furnace, stirring reactor Abstract Slags resulting from pyrometallurgical copper processes are important by-products to be controlled in structure and composition. Due to the significant volumes of slag compared with those of the

    THE ELECTRICAL CHARACTERISTICS OF COPPER SLAGS IN A 270

    tions of slag resistance furnace (SRF) depending on temperature and composition. In this study, a 270 kVA DC electric arc furnace were used to determine the electrical characteristic of molten ancient copper slags. The spe-cific conductivity of the slag was estimated by using furnace geometric factor given in the literature as an empiri-

    copper slag furnace slag copper in pakistan price

    copper slag furnace slag copper in pakistan price. The Industrial Copper Slag given by us to our clients is essentially a residual substance secured from the processing of smelting ore. We offer our clients impeccable quality Copper Slag Powder which is 100% processed and widely used for blasting and removing wastes from metals

    12.3 Primary Copper Smelting

    Slag produced by flash furnace operations contains significantly higher amounts of copper than reverberatory or electric furnaces. Flash furnace slag is treated in a slag cleaning furnace with coke or iron sulfide. Because copper has a higher affinity for sulfur than oxygen, the copper in the slag (as copper oxide) is converted to copper sulfide.

    Mineralogical and morphological factors affecting the

    Separating copper and arsenic has always been a major problem in the copper slag flotation process, which influences copper slag utilization and the environmental safety. A comparative study of flash smelting furnace (FSF) slag and its flotation products (concentrate and tailing) reveals the factors

    ASARCO » Smelting

    Slag The slag is a dense, glassy material of mostly iron and silica. It is tapped from a hole in the upper part of the furnace wall and carried outside to the slag dump to cool.A slag pour resembles a man-made lava flow and can be quite spectacular at night. The slag cools quickly and

    copper slag furnace slag copper Salzgrotte Stein

    Utilisation of copper slag for cement manufacture Article . 1. 3 days compressive strengths of PSC's from granulated blast furnace slag and copper slag were lower by 17.2 and 27.2% respectively compared to the control OPC. 2.

    Copper Slag Furnace Slag Copper

    Copper Slag Copper Slag Suppliers And Manufacturers At. A wide variety of copper slag options are available to you such as blasting media there are 303 suppliers who sells copper slag on alibabacom mainly located in asia the top countries of suppliers are india china and india from which the percentage of copper slag supply is

    Improving Copper Recovery from Production Slags by

    Keywords: slag cleaning, stirring mode, copper slag, submerged arc furnace, stirring reactor Abstract Slags resulting from pyrometallurgical copper processes are important by-products to be controlled in structure and composition. Due to the significant volumes of slag compared with those of the

    THE ELECTRICAL CHARACTERISTICS OF COPPER SLAGS IN A 270

    tions of slag resistance furnace (SRF) depending on temperature and composition. In this study, a 270 kVA DC electric arc furnace were used to determine the electrical characteristic of molten ancient copper slags. The spe-cific conductivity of the slag was estimated by using furnace geometric factor given in the literature as an empiri-

    12.3 Primary Copper Smelting

    Slag produced by flash furnace operations contains significantly higher amounts of copper than reverberatory or electric furnaces. Flash furnace slag is treated in a slag cleaning furnace with coke or iron sulfide. Because copper has a higher affinity for sulfur than oxygen, the copper in the slag (as copper oxide) is converted to copper sulfide.

    Mineralogical and morphological factors affecting the

    Separating copper and arsenic has always been a major problem in the copper slag flotation process, which influences copper slag utilization and the environmental safety. A comparative study of flash smelting furnace (FSF) slag and its flotation products (concentrate and tailing) reveals the factors

    What is a Copper Slag? (with pictures) InfoBloom

    Copper slag is a by-product created during the copper smelting and refining process. As refineries draw metal out of copper ore, they produce a large volume of non-metallic dust, soot, and rock. Collectively, these materials make up slag, which can be used for a surprising number of applications in the building and industrial fields.

    Copper Slag Blast Media Copper Slag price Copper Slag

    Copper Slag is often used for steel maintenance and new steel.It is an aggressive abrasive media that is a by-product of copper mining by smelting.. During the process of smelting, all impurities become slag which floats on molten metal. Slag that is reduced in water generates angular granules which are either used in sandblasting or constructing or disposed of as waste.

    Development, installation, and operation of a full-copper

    operation of a full-copper, deep-cooled slag tapblock for a six-in-line copper matte settling electric furnace B.N. Belford1, P. Conradie1, and T. Mwanza2 Synopsis Metix has introduced a three-piece ’deep-cooled’ copper slag tapblock into a six in-line copper matte settling electric furnace.

    Copper extraction Wikipedia

    Gill quotes a copper in slag value of 0.23% for a wet-charged reverberatory furnace vs 0.37% for a calcine-charged furnace. [27] In the case of calcine-charged furnaces, a significant portion of the sulfur has been eliminated during the roasting stage, and the calcine consists of a mixture of copper and iron oxides and sulfides.

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