flotation process slags

US4022686A - Flotation process for copper ores and copper ...

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, if desired, a promoter such as kerosene, light oil ...

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SULFURIZATION AND FLOTATION. Assoc. Prof. Dr. Willie

furnace slag using sulfurization and flotation was studied. Critical parameters such as sulfurization temperature, sulfurization agent (Gypsum containing 86.87% CaSO4) dosage and time were investigated for the sulfurization process and effect of collector type and dosage, pH, particle size and flotation time for the flotation process.

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Mineração SEM study of a lead-iron slag flotation process

flotation process for the recovery of lead contained in a metallurgical slag (consist - ing mainly of iron + lead). The slag is gener - ated by the industrial metallurgical process used at Acumuladores Moura Company for recycling used batteries. Froth flotation is the main and most widely used tech-nique for mineral processing; it is based

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

Optimization of the flotation of copper smelter slags from Namibia Custom Smelters’ Slag Mill Plant Elias Sipunga A research report submitted to the Faculty of Engineering and the Built ... content continues to present a tough challenge in the copper mineral recovery process. It was

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THE EFFECT OF COOLING RATE OF SLAG FROM PRIMARY

Apr 05, 2015  the flotation process, the best technological exploitation of copper is achieved, which is very important because the the slag contains up to 6 to 7% of mobile copper. The cooling metode of slag before flotation may have a significant impact on the

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Enhancing the flotation recovery of copper minerals in ...

Jan 01, 2020  The slags produced from the NCS furnaces (TSL furnace, copper converter, reverberatory furnace) contain copper ranging between 0.8 to 5% w/w. Due to this high content of copper, the slags are milled and floated to recover the copper. The main drawback in the current process is that the final flotation tailings grades are in excess of 0.9% Cu.

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Mineração SEM study of a lead-iron slag flotation process

flotation process for the recovery of lead contained in a metallurgical slag (consist - ing mainly of iron + lead). The slag is gener - ated by the industrial metallurgical process used at Acumuladores Moura Company for recycling used batteries. Froth flotation is the main and most widely used tech-nique for mineral processing; it is based

More

SULFURIZATION AND FLOTATION. Assoc. Prof. Dr. Willie

furnace slag using sulfurization and flotation was studied. Critical parameters such as sulfurization temperature, sulfurization agent (Gypsum containing 86.87% CaSO4) dosage and time were investigated for the sulfurization process and effect of collector type and dosage, pH, particle size and flotation time for the flotation process.

More

THE EFFECT OF COOLING RATE OF SLAG FROM PRIMARY

Apr 05, 2015  the flotation process, the best technological exploitation of copper is achieved, which is very important because the the slag contains up to 6 to 7% of mobile copper. The cooling metode of slag before flotation may have a significant impact on the

More

CN102614991A - Flotation process for recovering silver ...

The invention discloses a flotation process for recovering silver from high-immersion slag by a middling recleaning method. The flotation process comprises the following steps of: adding water and filter cakes in a filter-press workshop into a stirring barrel, and adding a rough concentration agent required by rough concentration into the stirring barrel; reacting ore pulp with the agent to ...

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

The second route was flotation of the slags, roasting of the flotation tailings with pyrite and leaching. The second route was found to be suitable for the treatment of the copper slag studied.

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Copper Slag Flotation Process - Dustri Machinery

Copper Slag Flotation. Copper Slag Milling And Flotation Process Enhancing the flotation recovery of copper minerals in 01012020183 The following was used during the milling test work on the slag samples a laboratory scale ball mill 400 mm by 300 mm a Laarmann laboratory slurry press size 13 for slurry filtration a 1 0 L measuring cylinder for measuring and adding water a drying oven to dry ...

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JME

slags together with Cu-Mo ores was described, and the ways to optimize the slag flotation process have been examined [13]. The results obtained for the flotation of the converter slags were presented, and the effect of the combined flotation of the slags with

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Fractal analysis and pore structure of gasification fine ...

Jan 20, 2020  The flotation process is shown in Fig. 1. Briefly, 100 g/L of mixture (the ratio of fine slag and deionized water) was prepared for the flotation process. The impeller rotation was 1800 rpm for 2 min, air flow rate was 0.2m 3 /h. The collector and frother were added for contact times of 2

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Flotation Reagents - Mineral Processing Metallurgy

Flotation as a concentration process has been extensively used for a number of years. However, little is known of it as an exact science, although, various investigators have been and are doing much to place it on a more scientific basis. This, of course, is a very difficult undertaking when one appreciates how ore deposits were formed and the ...

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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.. As in all mining operations, the ore must usually be beneficiated (concentrated).

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COMPARATIVE RESULTS OF COPPER FLOTATION FROM

Production of copper concentrate by flotation of smelter slag has started in 2001. Flotation concentrate goes to the Copepr Smelter once more for production of cop-per cathodes and the rough flotation tailings go to the flotation tailing dump. Copper recoveries in the flotation process of smelter slag reaches the value of about 45- 50%.

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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

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2-Recovery of Copper and Cobalt from Converter Slag with

At the end of the flotation process, the results aimed were not attained, and flotation yield was low. Converter slag samples were first sulfurized at 100 °C by using various ratios of H2S + H2O. Then, these samples were floated. 3.2 The Flotation of Sulfurized Converter Slag Firstly, the converter slag

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Enhancing the flotation recovery of copper minerals in ...

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

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CN102614991A - Flotation process for recovering silver ...

The invention discloses a flotation process for recovering silver from high-immersion slag by a middling recleaning method. The flotation process comprises the following steps of: adding water and filter cakes in a filter-press workshop into a stirring barrel, and adding a rough concentration agent required by rough concentration into the stirring barrel; reacting ore pulp with the agent to ...

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PERFORMANCE-BASED MAINTENANCE FOR SLAG

refining, anode casting and process control technologies all used at this particular site. Slag Flotation Plant The slag from the customer’s smelter furnace is processed at the Slag Flotation Plant (SFP) via various minerals processing technologies. The SFP plays an important role in extracting maximum value from the ore. In 2016, during the

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Copper Slag Flotation Process - Dustri Machinery

Copper Slag Flotation. Copper Slag Milling And Flotation Process Enhancing the flotation recovery of copper minerals in 01012020183 The following was used during the milling test work on the slag samples a laboratory scale ball mill 400 mm by 300 mm a Laarmann laboratory slurry press size 13 for slurry filtration a 1 0 L measuring cylinder for measuring and adding water a drying oven to dry ...

More

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

More

JME

slags together with Cu-Mo ores was described, and the ways to optimize the slag flotation process have been examined [13]. The results obtained for the flotation of the converter slags were presented, and the effect of the combined flotation of the slags with

More

(PDF) The Effect of Copper Bearing Particles Liberation on ...

Herreros et al. (6) Flotation is a process used for concentration of sulphide tried to extract copper from reverberatory and flash furnace minerals of copper, but it is used for the recovery of slags by chlorine leaching; the results show that 80 90% of valuable metals from smelter slag as well.

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The pH-dependent leaching behavior of slags from various ...

Feb 01, 2017  The leaching behaviors of primary copper (Cu) slags originating from Ausmelt, reverbatory, and converter furnaces operating under a single technological process were compared to a residual slag tailing obtained by slag re-processing via flotation and metal recovery.

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Recovery of Copper from the Slag of Khatoonabad Flash ...

Therefore, the aim of this study was to investigate the possibility of copper recovery from this slag using flotation method, and to determine the effective parameters involved in the process. Based on the experiments conducted, the best results were obtained for pH 11.5, 60 g/t Z11 and R407 collectors with a weighing ratio of 3–2, 40 g/t of ...

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Flotation Reagents - Mineral Processing Metallurgy

Flotation as a concentration process has been extensively used for a number of years. However, little is known of it as an exact science, although, various investigators have been and are doing much to place it on a more scientific basis. This, of course, is a very difficult undertaking when one appreciates how ore deposits were formed and the ...

More

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.. As in all mining operations, the ore must usually be beneficiated (concentrated).

More

Process for the treatment of aluminum-salt slags - Bahr ...

A process for the treatment of an aluminum-salt slag produced in the remelting of aluminum by the addition of salt to aluminum scrap wherein the aluminum salt slag is subjected to pressure and impact rolling to a thickness of about 0.2 mm to about 1 mm and the product is milled to an X 80 value of about 130 to 150 microns. The milled product is classified in a plurality of stages to recover ...

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Research of Laws Pyrite-Bearing Slag Flotation of Copper ...

Flotation of copper slag in a closed water concentrator is not described in the literature, but is of considerable practical interest. Involvement in the flotation process is not involved in the maelstrom of process water has environmental and economic importance. The water deficit conditions in ore-processing plant of the Southern Urals. 2.

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Minerals Free Full-Text Stepwise Utilization Process ...

Waste copper slag is a typical hazardous solid waste containing a variety of valuable elements and has not been effectively disposed of so far. In this paper, a stepwise extraction process was proposed to recover valuable elements (copper, iron, lead and zinc) from waste copper slag. The specific procedures are as follows: (1) A flotation process was adopted to enrich copper, and when the ...

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Recovery of copper from copper slag and copper slag ...

Copper smelter slag and copper smelter slag flotation tailings were leached using sulphuric acid solutions, without or with the addition of either ferric sulphate or hydrogen peroxide.

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