Behavior of talc and mica in copper ore flotation
Talc and mica are major gangue minerals in many base metal ores including sulfide ores. Talc is a naturally hydrophobic mineral, and therefore it is easily floatable. There have been many studies to overcome this problem, and depress talc with various reagents. In this study the flotation of a copper ore in the presence of talc and …
Practice of optimizing flotation process of copper-nickel …
There were some problems,such as low-grade copper concentrate,nickel concentrate containing high copper,higher reagents dosage,poor separation efficiancy,etc.,during copper nickel separation of flotation process on sulfide nickel copper ore in Xinjiang Yakesi resource development incorporated company,Hami district,Xinjiang Uygur …
The Use of Tecflote Family Collectors in …
The flotation tests prove that inclusion of Tecflote collectors as additives to standard flotation regime enhances efficiency of the process. Partial replacement of …
Sama Resources Announces Results of its New Preliminary …
Conventional Nickel and Copper Flotation underpin the Metallurgical Processes in the 2024 PEA. Over the life of mine, the Samapleu-Grata project will produce an annual average of 36,627 tonnes of a 26% copper concentrate and 55,119 tonnes of a 13% nickel concentrate through a process plant with a capacity of 5.475 Mtpa.
Increasing Efficiency of Pechenga Rebellious Copper-Nickel …
The concentration process flow for disseminated copper-nickel ores is composed of two-stage grinding and several flotation circuits, including inter-circuit, rougher, scavenger, cleaner flotation ...
Recovery of copper, nickel and cobalt from acidic pressure …
Recovery of copper, nickel and cobalt from the acidic pressure leaching solutions of Jinbaoshan (YN Province, PRC) low-grade sulfide flotation concentrates was investigated. ... In the acidic pressure leaching of Jinbaoshan flotation sulfide concentrates, almost all (>99%) of Cu, Ni and Co sulfides are oxidized to sulfates and leached into the ...
Copper, Molybdenum, Nickel and Zinc Processing | Ecolab
Copper, Nickel and Zinc DELIVERING A BROAD RANGE OF COPPER AND MOLYBDENUM PROCESSING SOLUTIONS. From maximizing recovery to improving ore grade, your copper processing operation has unique needs that depend on a balanced and precise process. ... From copper flotation to material handling, we strive to continuously …
Cu (II) and Ni (II) activation in the flotation of quartz, lizardite
The flotation of quartz, chlorite and lizardite with copper and nickel ions as activators and xanthate as collector will be investigated as a function of pH. Zeta potential measurements and infrared spectroscopy will also be used to identify the surface copper, nickel and xanthate species responsible for quartz and MgO mineral flotation. 2.
Full article: The Direct Leaching of Nickel Sulfide …
The extraction of nickel (Ni) from sulfide resources commences with flotation to produce a concentrate which is then smelted to produce a nickel-enriched …
Effect of calcium and thiosulfate ions on flotation selectivity …
The pH of recycled process water, copper flotation feed, and nickel flotation feed dropped by 0.7, 0.4, and 0.7 points, respectively, from May to July. The oxygen demand increased from recycled ...
Lime use and functionality in sulphide mineral flotation: A …
At Silver Queen mine (Canada) a combined lime-starch-SO 2 conditioning scheme is used for copper flotation from the Pb/Zn sulphides (Bulatovic, 2007b). In the process, lime (1200 g/t) and starch (200 g/t) are used first, ... Nickel-copper sulphide ores can differ significantly in the mineralogy of both the sulphide and the gangue minerals ...
60 Centuries of Copper: The Flotation Process
Only the flotation process mentioned above could make this practicable; and even so, it requires large companies with huge plants, continuous working and immense capital. This explains why, in order to smelt 4 million tons of new copper in 1963, nearly 400 million tons of ore had to be handled and treated in various ways. Flotation depends on ...
The Critical Role of Pulp Density on Flotation …
A nickel-copper sulfide system usually coexists with serpentine in deposits. Low nickel-copper recovery and high content of serpentine in concentration adversely affects subsequent metallurgical …
The Effect of Oxidation on the Flotation Behaviour of Nickel-Copper …
In this paper, the flotation behaviour of nickel-copper ores processed in the Sudbury area is discussed with emphasis on the effect of oxidation on individual minerals, primarily pyrrhotite. In general, moderate oxidation of a freshly ground ore promotes the flotability of all principal sulphides in the ore leading to a bulk flotation concentrate.
16. Flotation of Nickel and Nickel–Copper Ores
Flotation of Nickel and Nickel–Copper Ores. Authors: Srdjan M. Bulatovic. Request full-text. Abstract. Nickel minerals can be divided into three major groups, …
Effect of calcium and thiosulfate ions on flotation selectivity …
However, when the flotation results are considered, it is evident that xanthate adsorption alone does not explain the combined effect of the ions. For example, thiosulfate reduced the activating effect of calcium in nickel flotation but increased it in copper flotation, in region where galvanic interaction with mill iron was effective.
(PDF) The ion flotation of copper, nickel, and …
In this paper, ion flotation method is employed to remove metal ions such as copper, lead, zinc, cadmium and nickel from aqueous solution. Firstly, several parameters such as pH, concentration and ...
(PDF) Process mineralogy as a key factor affecting the flotation …
Froth flotation is a physicoc hemical process that has been. A. Bahrami et al., Process mineralogy as a key factor affecting the flotation kinetics of copper sulfide minerals 431. used for more ...
Improving Nickel Recovery in Froth Flotation by …
The separation of copper and nickel is achieved by differential flotation, if the mineral grains can be liberated by grinding. Normal practice is to depress the nickel …
The Critical Role of Pulp Density on Flotation …
Nickel and Copper Flotation. T en flotation tests were conducted using mixtures of both nickel-copper sulfide ore and serpentine. as a function of SHMP. The results are presented in Figure 5.
The Use of Tecflote Family Collectors in Copper–Nickel Ore Flotation …
Hydroxamic collectors are considered as promising collectors of sulfide and mixed ores of non-ferrous metals, both independently and jointly with xanthate [14–16].The efficiency of using hydrazides of 2-ethylhexanoic and n-pentanoic acids for flotation of copper-nickel ores is shown [17, 18].It is assumed that the presence of hydrazides of …
Mineralogy & Flotation: Floatability VS Selectivity Test …
Mineralogy is the driving force behind flotation performance. A flotation batch and rate test measures this as mass pull recovery and concentrate grade. The real data from a rate test can be processed to determine the flotation kinetics of metal, mineral and gangue. ... In this example a nickel copper ore containing mainly pentlandite and ...
A Review of the Flotation of Copper Minerals
economic to acid heap leach the stockpile. The recovery of these copper minerals by flotation or. hydrometallurgy from ores, typically containing 0.5%TCu (open pit mines) and 1-2%TCu (underground ...
Combined Flotation Hydrometallurgical Technology for …
The copper–nickel flotation cycle (in which up to 93–95% Cu and ~50% Ni are concentrated) was carried out at minimal consumptions of the collectors (10–20 g/t), which simplifies the subsequent selection of the copper concentrate. At the increased consumption of the collectors (70–100 g/t), the nickel–pyrrhotite flotation cycle ...
Flotation of nickel-copper sulphide ore
In this study, the robust Taguchi experimental design method was used to determine the optimum conditions for the flotation of nickel, copper and cobalt from a nickel-copper sulphide ore. The parameters investigated include collector dosage, percentage solids, depressant dosage and pH. The effects of these parameters at three different levels ...
The Critical Role of Pulp Density on Flotation Separation of Nickel …
In nickel-copper sulfide ore processing, serpentine is a common gangue mineral encountered in complex sulfide ores and can easily cause entrainment during flotation . Large amounts of serpentine in the flotation concentrate reduces the effectiveness of smelting, often resulting in the imposition of smelter penalties on mineral …
Full article: The Direct Leaching of Nickel Sulfide Flotation
Flotation practice in Russia and Canada differs from Western Australia where the deposits tend to be massive copper-nickel sulfide ores. In these ores, pyrrhotite is the major gangue mineral and flotation is carried out to reject pyrrhotite and produce separate copper and nickel concentrates.
The selective flotation of pentlandite from a nickel ore
Bulk flotation An efficient procedure for nickel recovery is to combine copper sulphate to activate pentlandite with guar gum to depress talc. This is the method which has been used for the flotation of nickel ores in industry and which we have termed the "standard bulk float". A selection of results for this ore is given in Table 3.
Upgrading of talc-bearing copper-nickel sulfide ore by froth flotation …
The rougher flotation and closed-circuit flotation tests of copper-nickel sulfide ore (1.0 kg) were performed on XFD-63 type flotation machines of different capacities (3.0 L, 1.0 L, obtained from Wuhan Exploration Machinery Co., Ltd.) [5], with mechanically stirring speed of 1610 rpm.The 3.0 L cell was used for rougher and scavenger stages, and the 1.0 L …
Process mineralogy of copper-nickel sulphide flotation by …
Tel: +86-516-83995976; E-mail address: [email protected] Process mineralogy of copper-nickel sulphide flotation by a cyclonic-static micro-bubble flotation column CAO Yi-jun 1, GUI Xia-hui 1, MA Zi-long 1, YU Xiao-xia 2, CHEN Xiao-dong 2, ZHANG Xiu-pin 2 1 School of Chemical Engineering and Technology, China …
