kolkata copper flotation from converter slags

MJ Series Jaw Crusher

MJ series jaw crusher is mainly used as a coarse crushing crusher. Its purpose is to crush rocks into smaller particle sizes for subsequent processing in the crushing section. Because it can effectively…

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MC Series Single-Cylinder Hydraulic Cone Crusher

MC series single cylinder hydraulic cone crusher is used in secondary and fine crushing operations. It is widely used in metallurgy, construction, highway, chemical and building materials industries. It…

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ML Series Vertical Shaft Impact Crusher

Vertical shaft impact crusher is often used in the final crushing circuit. Due to the ability to produce fine-grained final products, ML series vertical shaft impact crushing equipment is very popular…

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MD Series Multi-Cylinder Hydraulic Cone Crusher

MD series multi-cylinder hydraulic cone crusher is used in the second and third stages of mineral processing and stone crushing, as well as the superfine material crushing of some rocks and ores. MD series…

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MF Series Fixed Shaft Circular Vibrating Screen

In order to eliminate the phenomenon of unbalanced vibration, unstable amplitude, on/off bounce, poor screening effect, and cracking of the screen box caused by diagonal vibration in the actual screening…

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MGD Series Vibrating Feeder

MGD series vibrating feeder is designed for ultra-heavy working conditions and is suitable for feeding materials to primary jaw crushers, primary impact crushers and primary hammer crushers. It is widely…

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MGB series hopper discharge feeder

MGB series hopper discharge feeder is mainly used for the uniform, quantitative and automatic control of under-silo feeding of bulk materials.…

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MZA/K Series Circular Vibrating Screen

MZA/K series circular vibrating screen produced by Meilan has an axis-eccentric circular vibrating screen, which can be used for dry and wet classification of materials in coal preparation, mineral processing,…

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Copper extraction - Wikipedia

Copper extraction refers to the methods used to obtain copper from its ores.The conversion of copper consists of a series of physical and electrochemical processes. Methods have evolved and vary with country depending on the ore source, local environmental regulations, and other factors.

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「the total flotation copper slag」

A flotation process in which copper ores or copper converter slags are ground and firstly have added thereto benzotriazole or alkyl benzotriazole as an activator and secondly one or more collectors selected from the group consisting of xanthates, dithiophosphates, thiocarbamate esters, dithiocarbamates, mercaptans and dixanthogens and further ...

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Technical Note Development of a Flowsheet for Recovering ...

copper concentrate with 20-40% Cu content is produced with 90-95% efficiency from copper slags and a tailing with 0.2-0.35% Cu is either disposed or dissolved with sulfuric acid at 70 C and then Cu in leachate is recovered with iron powder (Cankut, 1973). In some plants, flash smelting furnace slag (1.6-2% Cu) and converter slag (5-7% Cu) are

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Copper Flotation From Converter Slag

copper flotation from converter slags - merkabo.it. The converter slag from a smeltery in Daye contains 2.01% copper. The floatability of copper has a significant influence on the flotation of converter slag. Flotation tests, contact angle tests and FTIR were conducted to assess the influences of pH and different flotation concentrators on its ...

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RECOVERY OF COPPER FROM SMELTING SLAG BY …

Pyrometallurgical production of copper generates two slags: smelting furnace slag and converter slag which contain 0.5-2% Cu and 2-8% Cu, respectively. The following three methods are generally utilized for recovering the copper from these slags on an industrial scale: (i) recycling of the converter slag to the smelting furnace, (ii) cleaning ...

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Optimization of the flotation of copper smelter slags from ...

and the converters. All these three furnaces produce fayalite slag as a byproduct. The slags contain copper with the content ranging between 0.8 to 5% copper. The slags cannot be discarded due to the high content of copper and hence they are sent to a milling and flotation

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Enhancing the flotation recovery of copper minerals in ...

Jan 01, 2020· Slag cleaning can be divided into two types, first being the pyrometallurgical reduction and settling of liquid slag, which is performed in slag-cleaning furnaces, and the second type being the mineral processing-based slag cleaning of solidified or granulated slag by crushing and/or grinding followed by gravity concentration or froth flotation ...

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milling and flotation of slow cooled copper slag

Recovery of cobalt from converter slag of Chambishi Copper ... techniques, such as slag cleaning, slow cooling of the slag followed by milling and flotation, are inappropriate for cobalt recovery from converter slag [7−8].

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Enhancing the flotation recovery of copper minerals in ...

Reverbetory furnace slag Copper recovery Flotation Milling and grinding ABSTRACT Namibia Custom Smelters (NCS) process a range of copper concentrates in their three furnaces, namely; top submerged lance, copper converter and reverberatory furnaces, in order to produce mattes and fayalitic slags. The copper content of the slags range between 0.8 ...

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THE EFFECT OF COOLING RATE OF SLAG FROM PRIMARY …

The content of copper in the flotation tailings directly depends on fragmentation rate (Figure 1). Expected content of copper in the flotation tailings, in the case of cooling in pits, is 0.5-0.9%, and in the case of cooling in pots, from 0.22 to 0.35% Cu. Fig. 1. The effect of fragmentation rate on the slag flotation …

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Enhancing the flotation recovery of copper minerals in ...

N2 - Namibia Custom Smelters (NCS) process a range of copper concentrates in their three furnaces, namely; top submerged lance, copper converter and reverberatory furnaces, in order to produce mattes and fayalitic slags. The copper content of the slags range between 0.8 to 5 wt. % and this is considered too high for disposal to the environment.

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copper flotation from converter slags - Afri-Culture

Copper Flotation From Converter Slags. RECOVERY OF COPPER FROM SMELTING SLAG BY. Following three methods are generally utilized for recovering the copper from these slags on an industrial scale i recycling of the converter slag to the smelting furnace, ii cleaning of smelting andor converter slags in electric furnaces and iii flotation.Metallic copper and sulphide copper present in these slags ...

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Factors affecting nickel recovery from slags produced ...

The mineralogy of the slag plant samples is essentially the same as that of the granulated slag described above. The slag milling specification is 50–65 per cent passing 75 µm after which the slag is fed into the flotation circuit. Screen size analysis results for flotation feed samples are shown in Table III.

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Recovery of Copper and Cobalt from Concentrate and ...

Feb 15, 2007· This study was designed to recover copper and cobalt hydrometallurgically from an enriched concentrate of flotation and converter slag. Three slag samples collected from the Ergani Copper Co. of Etibank were studied. In order to convert the copper and cobalt into sulfate compounds, samples were roasted after sulfurization and leached with water.

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

The analysis of highly reduced slags has shown that it is possible to remove virtually all of the cobalt and nickel from the olivine in the slag. Nickel-copper converter slag 'B' - 3.2 MVA. Large-scale testwork on converter slag was conducted, during 1994, on a 3.2 MVA DC-arc furnace operating at a …

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Extraction of copper |How to extract copper from copper ...

Aug 04, 2020· The molten matte is transferred to Bessemer converter in order to obtain blister copper. Ferrous sulphide from matte is oxidized to ferrous oxide, which is removed as slag using silica.

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Enhancing the flotation recovery of copper minerals in ...

Enhancing the flotation recovery of copper minerals in smelter slags from Namibia prior to disposal. Namibia Custom Smelters (NCS) process a range of copper concentrates in their three furnaces, namely; top submerged lance, copper converter and reverberatory furnaces, in order to produce mattes and fayalitic slags.

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Extraction of Copper from Copper-Bearing Materials by ...

The roasting behaviors for chalcopyrite, copper slag, and pure copper compounds were investigated in a 0.5% SO2–0.5% O2–99% Ar atmosphere at 600°C. X-ray fluorescence spectroscopy, x-ray diffractometry, scanning electron microscopy, and energy dispersive x-ray spectrometry were used to characterize the raw materials and roasting products.

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Recovery of metal values from copper slags by flotation ...

Feb 01, 2007· This study was designed to recover copper and cobalt hydrometallurgically from an enriched concentrate of flotation and converter slag. Three slag samples collected from the Ergani Copper …

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Milling And Flotation Of Slow Cooled Copper Slag

Cn104561560b Slow Cooling Copper Slag Treatment. Preferably said step b is a slow cooling field completed by slag car loaded with liquid copper slag dross fork shipped to slow the ice cooled for about 10 hours in air the inner dross copper slag temperature from 1250 after slowly lowered deg c to 1000 deg c the phase transition temperature of the copper slag was 1000 deg c1250 deg c so let

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2-Recovery of Copper and Cobalt from Converter Slag with a ...

Recovery of Copper and Cobalt from Converter Slag with a New Flotation Method Using H2S 70 sulfuric acids [12, 13] with and without pressure [13], ferric chloride [8, 14, 15], ferric sulfate [7], cyanide, thiosulphate leaching [16], ferric sulfate and ammonia sulfate solutions [7, 12, 17, 18]. In this study, the flotation of converter slag was

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copper slag flotation quartz gold flotat-froth flotation ...

copper slag flotation quartz gold flotat. Efficient Thickener. Efficient Thickener. Hydraulic Motor Driving Center Thickener. Hydraulic Motor Driving Center Thickener. Grid Type Ball Mill. Grid Type Ball Mill. Submerged Slurry Pump. Submerged Slurry Pump. Agitation Tank For Chemical Reagent.

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