The effect of high intensity conditioning on the flotation of a nickel
High Intensity Conditioning improved pentlandite flotation from a nickel ore. Specifically, High Intensity Conditioning increased the flotation rate of pentlandite contained in the 8 to 75 μm particle size range. ... In the past dozens of years, a mass of reports regarding the application of bulk nanobubbles in flotation has been emerging …
Insights into the design of polymetallic ore flotation circuits
The strategy uses a flotation stage superstructure that represents alternative flotation circuit configurations. This representation is similar to that used by Cisternas et al. (2014), but several products are allowed in the circuit.In addition, as is discussed later, each flotation stage can operate with different objectives, e.g., to concentrate one mineral or …
The effects of mixtures of potassium amyl xanthate (PAX
Potassium amyl xanthate (PAX) and sodium isobutyl xanthate (SIBX) are traditional thiol collectors used in the bulk and selective froth flotation of nickel and copper sulfide mineral ores. Individually, they are not selective enough for economical low-grade nickel froth flotation. Therefore, more selective collectors or co-collectors are required.
Bulk Flotation | SpringerLink
Bulk flotation is a process where two or more valuable minerals with similar floatability are floated together as a bulk concentrate in the flotation system. The bulk flotation includes partial bulk flotation and full bulk flotation. The bulk concentrate can be separated by flotation or other methods to obtain a single concentrate as needed.
(PDF) BULK FLOTATION OF COMPLEX COPPER ORE
One kilogram of ore, at -200 mesh was used as feed to the bulk flotation that was conducted for 8 minutes. Two collectors, independently added, were used at 3 different dosages: 20, 30, and 40 g/ton. The copper and zinc contents were determined as well as their respective recoveries in the bulk concentrate.
(PDF) The flotation of gersdorffite in sulphide nickel systems …
Flotation feed size distribution The gersdorffite distribution by size for the ground flotation feed is given in Table 4. Note that in this table and subsequent tables and graphs the gersdorffite levels are calculated based on arsenic assays. These results show that after milling the bulk of the gersdorffite lies in a flotable size range.
Nickel Ore
New flotation reagents for sulphide nickel minerals flotation. ... (TBP) increased the copper recovery by 1.5–2% in the bulk concentrate as compared to the results obtained with potassium butyl xanthate on a rebellious copper-nickel ore containing 2.15–2.3% Cu and 1.04–1.1% Ni. However, the poor nickel floatability into the bulk ...
Bulk ore sorting and coarse particle recovery – leading the …
At our El Soldado copper mine in Chile, our new demonstration plant uses CPR technology in a novel way using the Hydrofloat™, which combines flotation with gravity concentration, allowing the flotation process to be changed to treat larger-diameter material and permit coarser grinding.
Full article: The Direct Leaching of Nickel Sulfide Flotation
The iron-to-magnesium ratio in the nickel concentrates destined for smelting is a key parameter that influences smelting temperature and slag viscosity (Mayhew et al. Citation 2013; Senior and Thomas Citation 2005), hence emphasis is placed on the rejection of Mg-bearing gangue during flotation of nickel sulfide ores (Lotter et al. …
Effect of chalcopyrite and pyrrhotite interaction on flotation
A series of batch flotation tests was performed on chalcopyrite-quartzite, on pyrrhotite-quartzite and on chahcopyrite-pyrrhotite-quartzite mixtures. ... A.S., 1985, "Use of ozone in the differential flotation of copper-nickel bulk sulfide concentrates," Minerals & Metallurgical Processing, Vol. 2, pp. 68–72. Google Scholar Li, X ., and ...
The Effect of Oxidation on the Flotation Behaviour of …
In this paper, the flotation behaviour of nickel-copper ores processed in the Sudbury area is discusse~ with emphasis on the effect of oxidation on individual minerals, pnmarily pyrrhOlite. 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.
Flotation | SpringerLink
Nickel concentrate in flotation. Full size image. Flotation Process. Flotation process is the generic terms of the operations when slurry flows through, including grinding, classification, slurry mixing, and roughing, concentration, and scavenging operations in flotation. ... Besides bulk-oil flotation, froth flotation, skin flotation, and …
Open Circuit Flotation
The flotation stage is divided into two main, parts; bulk flotation of sulphide minerals and the separation of the nickel and copper concentrates from the bulk concentrate. The bulk flotation process is operated at a low pH value. Chemicals used in the process are KEX as a collector, Finnish raw pine oil as a frother, and sulphuric acid …
Full article: The Direct Leaching of Nickel Sulfide …
Download CSV Display Table. Aaltonen et al. ( 1980) studied the dissolution of a bulk Ni-Cu concentrate grading 5.4% Ni and 1.5% Cu in sulfuric acid and …
The effect of high intensity conditioning on the flotation of a nickel
Semantic Scholar extracted view of "The effect of high intensity conditioning on the flotation of a nickel ore. Part 1: Size-by-size analysis" by G. Chen et al. Skip to ... laterites and sulphides. Even though nearly 70% of nickel resources are contained in laterites, the bulk of production comes from sulphides due to the complex and high-cost ...
Full article: The Direct Leaching of Nickel Sulfide Flotation
Bulk sulfide flotation is generally carried out on Western Australian nickel ores which tend to be low in copper and contain substantial concentrations of magnesium bearing minerals and hydrophobic gangue such as talc (Bulatovic Citation 2007; Eltham and Tilyard Citation 1973; Pietrobon et al. Citation 1997).
What are the flotation processes of nickel sulfide ore?
Bulk flotation: In this process, the nickel sulfide minerals are floated together with copper and other sulfide minerals. The flotation reagents used are typically a combination of collectors, frothers, and modifiers. The bulk concentrate is then separated by differential flotation to produce separate nickel and copper concentrates.
Use of Ozone in the Differential Flotation of Bulk Copper-Nickel …
Differential flotation of bulk sulfide concentrates from Duluth gabbro into copper and nickel concentrates could be implemented by first destroying the hydrophobic coating with ozone and then by recovering the copper concentrate with a copper-selective collector. A number of parameters involved in the use of ozone, such as the sequence and the conditioning …
Development and implementation of a new flowsheet for the flotation …
The sulphides in the underflow could then be processed by bulk flotation at 25–30% solids in the hypersaline water 1 at the site to give an acceptable nickel recovery with the required level of MgO rejection (> 99.5%). Concentrate typically assayed about 20% Ni and had an Fe : MgO of about 3.
NICKEL AND COBALT ORES: FLOTATION
Nickel sulphide ores containing pentlandite, pyrrhotite and talc have traditionally been treated by bulk sulphide flotation, an approach which seeks to …
Flotation of Nickel-Copper Sulphide Ore: Optimisation of …
The flotation by surface sulphidisation of the oxidized copper-cobalt-bearing ore from Kimpe (1.97% Cu; 0.66% Co) was studied in order to evaluate its behavior by the analysis of its most ...
Selective sulphidation and flotation of nickel from a …
Bulk sulphide grades of between 15 and 20 wt.% nickel were achievable, with a corresponding nickel sulphidation degree of about 80%. Decreasing the sulphur …
The effect of a new polysaccharide on the depression of …
The effect of the depressant galactomannan (KGM) on the depression of talc and the flotation of a nickel–copper sulfide ore have been investigated through microflotation, batch flotation and industrial flotation tests, zeta potential and infrared spectrum measurements. ... the bench-scale locked cycle tests from Ni/Cu bulk …
Handbook of Flotation Reagents | ScienceDirect
The bulk copper–lead flotation with depression of zinc followed by copper–lead separation and re-flotation of zinc is the most common practice in the treatment of copper–lead–zinc ores. About 90% of operating plants use this method. ... The reagent practice in the flotation of nickel and copper–nickel ores depends on three basic ...
Challenges in processing nickel laterite ores by …
Abstract. The challenges in processing nickel laterite ores using flotation process were comprehensively reviewed. Literature shows that flotation has not been …
West Musgrave Copper and Nickel Project, Australia
The plant will use a bulk flotation circuit designed to produce separate copper and nickel concentrates. The circuit will feature bulk rougher flotation, regrinding and a two-stage bulk cleaning process, followed by copper and nickel separation. The sulphide ore will be divided into two types, namely pyrite-violarite (PV) and non-PV.
Sulfide Flotation
Bulk sulfide flotation for further treatment (ultrafine grinding [UFG] or preoxidation) ... Table 2 shows the elemental compositions of the bore water used in the Mt Keith Operation, the largest nickel flotation plant in Western Australia (Peng and Seaman, 2011). The salinity of this water is several times higher than that of sea water.
Enhancing nickel grade and recovery with counter
The flotation kinetics of the nickel feed was investigated using a batch mechanical cell. Fig. 10 shows the recovery and grade of the nickel as a function of time. It is evident the grade reached initial levels of 7 ∼ 8% before declining to a grade of only 5–6% beyond a flotation time of 400 s.
Decreasing Easily Slimed Gangue Minerals Effect on Copper-Nickel Bulk …
Request PDF | Decreasing Easily Slimed Gangue Minerals Effect on Copper-Nickel Bulk Flotation by Combinatorial Depressants | This article research a low grade ore in Jinping, it contain 0.634% ...
Chapter 16: Flotation of Nickel and Nickel Copper Ores
16.1 ORE TYPES AND MINERALOGY. There are more than 45 different nickel minerals, but only a few are of economic importance. Table 16.1 lists some of the most important nickel minerals. Nickel, in various ores can also be found in other minerals, such as pyrrhotite and various cobalt minerals as an exsolution in isomorphic phases.