copper slag grinding by autogenous

copper slag grinding by autogenous

2022-1-31 · copper slag grinding by autogenous. copper slag grinding by autogenous copper slag grinding by autogenous XSM excellent mining crushing machinery products or production line design the company is committed to building the Chinese brand mine crushing and processing machinery mainly crusher mill sand making our products copper slag grinding by autogenous

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Viscosity of the Slags of the Autogenous Smelting of ...

2020-10-28 · Abstract The temperature dependences of the viscosity of the slags of the autogenous smelting of copper–zinc concentrates have been determined. The activation energies of viscous flow and the temperature of the onset of solidification of the molten slags are calculated. The influence of the suspension (magnetite) and emulsion (matte) components on

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Copper Concentrator Autogenous Grinding Practices at

In the copper concentrator, a traditional crushing and primary grinding circuit was replaced by two autogenous grinding mills (9.8m diameter x 4.4m length) in June 1991. Since then different autogenous grinding practices have been ex- plored and

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Evolution and optimisation of the copper concentrator ...

The Mount Isa Copper Concentrator grinding circuit currently consists of two 32’ x 16’ semi-autogenous (SAG) mills, each powered by two 3.2 MW motors, followed by two 16’6” x 20’ ball ...

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Copper Smelting - Metallurgist & Mineral Processing

2021-1-13 · Copper Smelting Process. In the autogenous system described by this report, sulfide concentrate and silica flux are blown into the furnace through a specially designed burner with oxygen and is flash smelted to about 50-percent copper matte. The matte flows down an inclined crucible, countercurrent to the slag flow, to the converting zone at ...

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Copper Slag Grinding By Autogenous - lm-traiteur.fr

Copper Slag Grinding By Autogenous Home Copper Slag Grinding By Autogenous PEW series Jaw crusher features big crushing ratio, reliable operation, easy

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Autogenous Grinding & Semi Autogenous Grinding Circuits

2017-7-20 · Autogenous grinding is favored when the ore is quite competent and a fine grind is required. Semi-autogenous grinding is applied when fine crushing could cause severe problems or when ore is variable in hardness or competency. Figure 2 shows a typical conventional crushing-grinding circuit with three stages of crushing followed by ball mills or ...

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COPPER Copper production - TU Delft

2008-12-16 · Then wet grinding in semi-autogenous rod or autogenous ball mills takes place. Size classification takes is performed in cyclones. In the next step of beneficiation, valuable minerals and gangue are separated by froth flotation of the ore pulp, which exploits the different surface properties of the sulfidic copper ore and the gangue [46].

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Dore slag treatment - Noranda Mines Limited

In another preferred embodiment, the initial grinding of the slag is carried out as a semi-autogenous grinding operation and leads to a fairly coarse pulp although suitable for flotation in a unit cell with an appropriate frother and collector. Typically, the grinding proceeds until about 80% of the pulp passes a 100 mesh screen.

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Copper Slag - an overview | ScienceDirect Topics

Copper slag, or fayalite slag, is a by-product obtained during the matte smelting, converting and refining of copper (Fig. 7.11). 54,59 It has been estimated that for every tonne of copper produced, about 2.2 tonnes of slag is generated, 60 as a consequence of the relatively low grades of copper concentrates now available.

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Copper Concentrator Autogenous Grinding Practices at

In the copper concentrator, a traditional crushing and primary grinding circuit was replaced by two autogenous grinding mills (9.8m diameter x 4.4m length) in June 1991. Since then different autogenous grinding practices have been ex- plored and

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Autogenous Grinding Mill Type Of Cascade

2020-7-7 · copper slag grinding machine by autogenous. autogenous grinding machine for steel plant copper slag Zm autogenous grinder mill manufacturer mineral mesh size max feed size max feed temqerature application fields domestic and overseas steel plant applied material separate slag and steel remove the bounding residue on the small casting pieces ...

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SOLUBILITY OF COPPER IN AUTOGENOUS SMELTING

2018-9-8 · SOLUBILITY OF COPPER IN AUTOGENOUS SMELTING SLAG A. V. Tarasov State Research Center of Russian Federation - State Research Institute of Non-ferrous Metals “ Gintsvetmet” Moscow, Russia ABSTRACT The effect of Al2O 3 on solubility of copper in slag containing 20 to 40% SiO 2 with the copper content of matte varying from 40 to 80% has been ...

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Copper smelting combined with slag cleaning - Inco Limited

A process for autogenously smelting sulfidic copper material in the presence of a calcareous flux in which slag cleaning to provide metallic copper is employed. Such metallic copper provided by slag cleaning is usefully employed as a coolant in the autogenous smelting operation.

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COPPER Copper production - TU Delft

2008-12-16 · Then wet grinding in semi-autogenous rod or autogenous ball mills takes place. Size classification takes is performed in cyclones. In the next step of beneficiation, valuable minerals and gangue are separated by froth flotation of the ore pulp, which exploits the different surface properties of the sulfidic copper ore and the gangue [46].

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Radiometric Separation in Grinding Circuit of Copper ...

2020-4-21 · Lumpy ore after semi-autogenous milling in Copper–Nickel ore processing at the Talnakh factory is studied. The lumpy ore is mainly presented by sizes −80+40 and −40+20 mm. The X-ray radiometric separation tests of the lumpy ore prove their efficiency in production of concentrate and tailings. The strength characteristics and the Bond work index of the

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A review of the effects of the grinding environment on the ...

2011-7-8 · Autogenous grinding has become popular in recent years for processing sulphide ores, including those of copper. The claimed advantages of autogenous milling include lower capital costs, lower operating costs, reduced circulating loads, and improved metallurgy as a result of either better liberation or the production of a more desirable product ...

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slag recycling device - tis-school.it

2022-1-26 · slag recycling device - margrietbierens.nl. Home / slag recycling device. Application of Pressure, Recycling silicon from environmentally hazardous diamond wire saw silicon powder waste (DWSSP) and effectively removing boron is still an elusive aim Here, pressure-less sintering and dynamic-slag treatment were used to recover the powder waste On the basis of

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THE EFFECT OF COOLING RATE OF SLAG FROM

2015-4-5 · Mihajlović - The effect of cooling rate of slag from primary copper production 129 In Table 1 an overview is given of copper content in flotation tailings in smelters which process slag by flotation. Table 1. Copper content in flotation tailings in different smelters Smelter %Cu Almalykskii, Russia 0,27 Garfield, USA 0,48 Guixi, China 0,50

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High-Pressure Grinding - Maschinenfabrik Köppern

2020-3-17 · High-Pressure Grinding Rolls » Cement clinker » Slag » Limestone » Fine ore / pellet feed » Kimberlite » Iron ore » Coal » Molybdenum ore » Copper ore » Gold ore » Basic ceramic materials » Increasing costs of electrical energy coupled with the

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(PDF) I-301 Evolution and Optimisation of the Copper ...

The Copper Concentrator primarily treats chalcopyrite ore from MIM’s two underground copper mines, but on occasions it also mills Copper Smelter slag to recover the contained copper. The grinding and flotation EVOLUTION AND OPTIMISATION OF THE COPPER CONCENTRATOR circuits can be operated either as two separate lines (Line 1 and Line 2) or ...

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SOLUBILITY OF COPPER IN AUTOGENOUS SMELTING

2018-9-8 · SOLUBILITY OF COPPER IN AUTOGENOUS SMELTING SLAG A. V. Tarasov State Research Center of Russian Federation - State Research Institute of Non-ferrous Metals “ Gintsvetmet” Moscow, Russia ABSTRACT The effect of Al2O 3 on solubility of copper in slag containing 20 to 40% SiO 2 with the copper content of matte varying from 40 to 80% has been ...

Read More

Viscosity of the Slags of the Autogenous Smelting of ...

The temperature dependences of the viscosity of the slags of the autogenous smelting of copper-zinc concentrates have been determined. The activation energies of viscous flow and the temperature of the onset of solidification of the molten slags are calculated. The influence of the suspension (magnetite) and emulsion (matte) components on the slag viscosity has been

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The formation of magnetite in slag from the autogenous ...

2014-7-8 · Slag, magnetite, autogenous smelting, sulphide copper - zinc concentrate . 1. Introduction . Matte and iron silicate slags during autogenous smelting of sulphide copper zinc concentrates are formed in - Vanyukov’s furnace [1, 2]. Significant quantity of non -ferrous metals is lost in slags (Cu, Zn, Pb etc.). Slags are stockpiled

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Copper smelting combined with slag cleaning - Inco Limited

A process for autogenously smelting sulfidic copper material in the presence of a calcareous flux in which slag cleaning to provide metallic copper is employed. Such metallic copper provided by slag cleaning is usefully employed as a coolant in the autogenous smelting operation.

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(PDF) Microscopy Analysis of Copper Slag and Its ...

Copper contents in these slags are as high as 0.6 up to 0.8%. As such, this slag could be considered as a secondary source for copper re- utilization. In this context, microscopy analysis of slag samples was carried out in order to determinate its mineralogical composition and to find a possibility for re-extraction of remaining copper from the ...

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Radiometric Separation in Grinding Circuit of Copper ...

2020-4-21 · Lumpy ore after semi-autogenous milling in Copper–Nickel ore processing at the Talnakh factory is studied. The lumpy ore is mainly presented by sizes −80+40 and −40+20 mm. The X-ray radiometric separation tests of the lumpy ore prove their efficiency in production of concentrate and tailings. The strength characteristics and the Bond work index of the

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(PDF) MICROSCOPY ANALYSIS OF COPPER SLAG AND ITS ...

For an air-cooled slag at optimized conditions, 72% of copper was recovered in one stage flotation and a 12.6% copper concentrate was achieved. The best recovery efficiency was obtained when 30

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THE EFFECT OF COOLING RATE OF SLAG FROM

2015-4-5 · Mihajlović - The effect of cooling rate of slag from primary copper production 129 In Table 1 an overview is given of copper content in flotation tailings in smelters which process slag by flotation. Table 1. Copper content in flotation tailings in different smelters Smelter %Cu Almalykskii, Russia 0,27 Garfield, USA 0,48 Guixi, China 0,50

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THE MAIN REASONS FOR INCREASED COPPER LOSSES

The article examines the factors affecting to the loss of copper with slags during autogenous smelting of copper concentrates at the Balkhash copper smelting plant (BCP). The composition of concentrates processed in the Vanyu-kov furnace was analyzed. Slag formation during alloying FeO with ores containing approximately the same amount of SiO 2

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