copper flotation leaching

Leaching characteristics of copper flotation waste before ...

2006-12-1  Leaching of Cu, Zn and Pb metal ions decreased as the level of SiO 2 increased. While Cu release from vitrified copper flotation waste was 5.2 mg/L, Cu release from vitrified copper flotation waste with addition of 20% and 60% SiO 2 was 1.3 and 0.3 mg/L, respectively. Similar results were determined for Zn and Pb release.

More

RECOVERY OF COPPER FROM OXIDE COPPER ORE BY

2014-12-24  RECOVERY OF COPPER FROM OXIDE COPPER ORE BY FLOTATION AND LEACHING Kiraz, Emirhan M.S., Department of Mining Engineering Supervisor: Prof. Dr. Mustafa Ümit Atalay December 2014, 65 pages The aim of this study was the recovery of copper from the oxide copper ore by froth flotation and agitating sulphuric acid (H 2 SO 4) leaching.

More

Leaching behavior and immobilization of copper flotation ...

2011-2-22  In this study, the leaching characteristics of copper flotation waste have been evaluated by the Toxicity Characteristic Leaching Procedure (TCLP), Synthetic Precipitation Leaching Procedure (SPLP), Extraction Procedure (EP Tox), and Field Leach Test (FLT) tests methods. The adsorption capacities and adsorption efficiencies were determined.

More

Leaching of a copper flotation concentrate with

2014-8-3  The leaching behavior of a copper flotation concentrate was investigated using ammonium persulfate (APS) in an autoclave system. The decomposition products of APS, active oxygen, and acidic medium were used to extract metals from the concentrate. Leaching experiments were performed to compare the availability of APS as an oxidizing agent for

More

Studies of leaching of copper ores and flotation wastes ...

2014-2-16  The study involved two types of ore (KGHM1 and PBK), copper concentrate and flotation waste four types (Gilów, Waste 3, Gilów 2, Waste 1). Using ICP–MS analysis content of individual elements (ppm) in the tested samples was determined. The process of digestion and leaching of uranium ores and flotation wastes was carried out by two methods.

More

Recovery of Copper from Flotation Tailings by Leaching ...

The best leaching conditions are stirring speed of 30 m/min, H2SO4 concentration of 150 Kg/t ore, leaching time of 30 minutes. Under the best conditions, the acid leaching test presented that the production of per ton copper consumes sulfuric acid of 17.31 t, and Cu leaching rate is 84.70%.

More

(PDF) Bioleaching of copper, zinc and gold from a ...

2022-1-10  According to the available data, this is the first study of the microbiological leaching of copper, zinc and gold from a polymetallic ore flotation

More

LEACHING OF FLOTATION TAILINGS - TMT 2018

2018-1-4  leaching process has no significant effect on degree of copper. Optimum leaching time is 4 h. Based on the results, shown in Figure 4, the optimal ratio of S:L for the copper leaching process from flotation tailings is 1:2.5. The highest degree of copper leaching of 56% was achieved in the following

More

LEACHING OF LOW-GRADE COPPER ORES: A CASE

2017-6-9  The changes in copper content in the ore with the time of exploitation at the RTB mines [9] Oxide copper ore, mixed oxide-sulphide ores and low-grade copper sulphide ore, which, for economic reasons, cannot be enriched by flotation, may be processed by leaching methods. Agents for leaching copper

More

Acid leaching of oxide–sulfide copper ore prior the ...

2015-11-26  453 Acid leaching of oxide–sulfide copper ore prior the flotation – A way for an increased metal recovery Miroslav D. Sokić1, Vladan D. Milošević1, Velizar D. Stanković2, Vladislav Lj.Matković1, Branislav R. Marković1 1Institute for Technology of Nuclear and Other Mineral Raw Materials, Belgrade, Serbia 2University of Belgrade, Technical Faculty, Bor, Serbia

More

Leaching of a copper flotation concentrate with

2014-8-3  The leaching behavior of a copper flotation concentrate was investigated using ammonium persulfate (APS) in an autoclave system. The decomposition products of APS, active oxygen, and acidic medium were used to extract metals from the concentrate. Leaching experiments were performed to compare the availability of APS as an oxidizing agent for

More

Leaching behavior and immobilization of copper flotation ...

2011-2-22  In this study, the leaching characteristics of copper flotation waste have been evaluated by the Toxicity Characteristic Leaching Procedure (TCLP), Synthetic Precipitation Leaching Procedure (SPLP), Extraction Procedure (EP Tox), and Field Leach Test (FLT) tests methods. The adsorption capacities and adsorption efficiencies were determined.

More

Studies of leaching of copper ores and flotation wastes ...

2014-2-16  The study involved two types of ore (KGHM1 and PBK), copper concentrate and flotation waste four types (Gilów, Waste 3, Gilów 2, Waste 1). Using ICP–MS analysis content of individual elements (ppm) in the tested samples was determined. The process of digestion and leaching of uranium ores and flotation wastes was carried out by two methods.

More

Recovery of Copper from Flotation Tailings by Leaching ...

The best leaching conditions are stirring speed of 30 m/min, H2SO4 concentration of 150 Kg/t ore, leaching time of 30 minutes. Under the best conditions, the acid leaching test presented that the production of per ton copper consumes sulfuric acid of 17.31 t, and Cu leaching rate is 84.70%.

More

Development of copper recovery process from flotation ...

2018-6-15  A flowchart for the copper recovery from flotation tailings using flotation‒high‒pressure leaching‒solvent extraction Based on the results from the experiments conducted and described in the preceding sections in this paper, a flowchart for recovery of copper from the flotation tailings can be proposed as shown in Fig. 17 .

More

LEACHING OF FLOTATION TAILINGS - TMT 2018

2018-1-4  leaching process has no significant effect on degree of copper. Optimum leaching time is 4 h. Based on the results, shown in Figure 4, the optimal ratio of S:L for the copper leaching process from flotation tailings is 1:2.5. The highest degree of copper leaching of 56% was achieved in the following

More

REMOVAL OF CU FROM COPPER FLOTATION WASTE

2013-10-22  KEYWORDS: copper flotation waste, leaching, copper, sepiolite, full factorial design Sepiolite ((Si12O30Mg8(OH)4(H2O)48H2O)) is a natural, fibrous clay mineral with fine microporous channels with dimensions of 0.37x1.06 nm running parallel to the length of the fibers. Sepiolite is often

More

PRE-FLOTATION LEACHING OF POLISH CARBONATE

2009-2-9  Pre-flotation leaching of Polish carbonate copper ore 89 Fig. 3. pH-time relationship for non-oxidative leaching. Copper ore at various degrees of carbon-ate decomposition (from 30 to 100 %) was investigated The leaching process appeared to be very rapid. After 5–10 minutes the pH of the slurry was equal to 4.

More

LEACHING OF LOW-GRADE COPPER ORES: A CASE

2017-6-9  The changes in copper content in the ore with the time of exploitation at the RTB mines [9] Oxide copper ore, mixed oxide-sulphide ores and low-grade copper sulphide ore, which, for economic reasons, cannot be enriched by flotation, may be processed by leaching methods. Agents for leaching copper

More

REPROCESSING OF THE OLD FLOTATION TAILINGS

2018-12-31  The average copper removal degree in the leaching stage was 70%. After re-flotation, the total copper removal degree reached 83 to 85%. Sulphur removal degree reached 77%. Sulphur concentration in the treated tailings was reduced almost 5 times compared to the inlet concen-tration. An equivalent amount of iron was also reduced through the ...

More

Leaching behavior and immobilization of copper flotation ...

2011-2-22  In this study, the leaching characteristics of copper flotation waste have been evaluated by the Toxicity Characteristic Leaching Procedure (TCLP), Synthetic Precipitation Leaching Procedure (SPLP), Extraction Procedure (EP Tox), and Field Leach Test (FLT) tests methods. The adsorption capacities and adsorption efficiencies were determined.

More

Advances in Selective Flotation and Leaching Process in ...

2022-1-12  Apart from studies on the flotation of copper minerals, in this Special Issue, there are two papers on the recovery of fine bauxite and elemental sulfur by flotation. Zhang et al. [ 13 ] utilized a plate-packed flotation column (PFC) for fine bauxite, and the Al 2 O 3 recovery and grade increased by 2.11% and 1.85%, respectively, compared to ...

More

Leaching kinetics of copper flotation tailings in aqueous ...

2012-4-9  The main copper minerals contained in the flotation tailings are chrysocolla, malachite, and cuprite, with the copper grade of 1.12%. Effects of lixiviant concentration, solid-to-liquid ratio, stirring speed, and reaction temperature on copper leaching ratios at

More

Recovery of Copper from Flotation Tailings by Leaching ...

The best leaching conditions are stirring speed of 30 m/min, H2SO4 concentration of 150 Kg/t ore, leaching time of 30 minutes. Under the best conditions, the acid leaching test presented that the production of per ton copper consumes sulfuric acid of 17.31 t, and Cu leaching rate is 84.70%.

More

FLOTATION AND LEACHING AT ANGLO ASIAN

2017-9-8  consumption during leaching by removing soluble copper minerals. The paper compares and contrasts the performance of the plant in the two configurations, namely, (i) leaching followed by flotation and (ii) flotation followed by leaching. KEYWORDS Agitation leaching, Copper-gold ore processing, Cyanide consumption, Flotation, Resin-in-pulp, SART

More

REMOVAL OF CU FROM COPPER FLOTATION WASTE

2013-10-22  KEYWORDS: copper flotation waste, leaching, copper, sepiolite, full factorial design Sepiolite ((Si12O30Mg8(OH)4(H2O)48H2O)) is a natural, fibrous clay mineral with fine microporous channels with dimensions of 0.37x1.06 nm running parallel to the length of the fibers. Sepiolite is often

More

PRE-FLOTATION LEACHING OF POLISH CARBONATE

2009-2-9  Pre-flotation leaching of Polish carbonate copper ore 89 Fig. 3. pH-time relationship for non-oxidative leaching. Copper ore at various degrees of carbon-ate decomposition (from 30 to 100 %) was investigated The leaching process appeared to be very rapid. After 5–10 minutes the pH of the slurry was equal to 4.

More

Leaching of Copper Sulphides - SAIMM

2016-6-8  Leaching of Copper Sulphides Marc Nicolle,1 Marko Lampi,2 Kari Valkama, 2 and Janne Karonen 1 Outotec (RSA) (Pty) Ltd, Johannesburg, South Africa. ... The leach residue is subjected to flotation to recover pyrite and elemental sulphur which is subsequently fed to an oxidising autoclave. Within the autoclave, the elemental sulphur and ...

More

RECOVERY OF COPPER FROM COPPER SLAG AND

2014-9-8  flotation. Low copper extractions both from the slag and the slag flotation tailings indicate that sulphuric acid is not a suitable reagent for leaching these materials, at room temperature. This conclusion is in line with the study by Banza et al. (2002) where the leaching of copper smelter slag with sulphuric acid (500 kg/Mg slag)

More

REPROCESSING OF THE OLD FLOTATION TAILINGS

2018-12-31  The average copper removal degree in the leaching stage was 70%. After re-flotation, the total copper removal degree reached 83 to 85%. Sulphur removal degree reached 77%. Sulphur concentration in the treated tailings was reduced almost 5 times compared to the inlet concen-tration. An equivalent amount of iron was also reduced through the ...

More

Copyright © 2020.Company name All rights reserved.SiteMap