Flotation of Platinum Group Metal Ores | Semantic Scholar
An investigation into the effects of UG2 Ore variability on froth flotation. N. V. Ramlall. Environmental Science, Engineering. 2014. South Africa is the world's largest producer of platinum group elements (PGEs). Mining takes place in the Bushveld Complex, and recent statistics, (Mudd, 2010), showed that the UG2 reef is the main…. Expand.
The use of electrochemical measurements in the flotation of a platinum …
Semantic Scholar extracted view of "The use of electrochemical measurements in the flotation of a platinum group minerals (PGM) bearing ore" by A. Buswell et al.
The valorisation of platinum group metals from flotation …
The BIC is the largest known repository of PGE global resources, primarily in the Upper Group 2 (UG2), Merensky Reef, Platreef, and the BIC satellite intrusion, Nkomati Nickel Deposit (Blengini et al., 2020; USGS 2022).South Africa remains the world's top producer of platinum and the second-largest producer of palladium (McFadzean et al., …
The effect of energy input on the flotation of a platinum …
This study investigated the effect of energy/power input on the flotation of a platinum ore in a pilot-scale oscillating grid flotation cell. From this study one may conclude that energy/power input has a significant effect on the flotation rate which is strongly dependent on the particle and bubble size. For larger bubbles, increasing …
Flotation of platinum group metal ore materials
United States Patent 6679383. Abstract: Provided is a method involving flotation of a feed of platinum group metal ore material to prepare a platinum group …
Flotation of Platinum Group Elements Ores: A Review
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(PDF) Interpreting the role of reagents in the flotation of platinum …
In the flotation of platinum bearing ores from the Merensky reef, which is carried out at pH 9, copper sulphate (CuSO4) is widely used as an activator. It is either added to the mill or to the ...
Modelling of froth transportation in industrial flotation cells
The main application of the models is to assist both flotation cell operation and design by providing a scale-up procedure to predict froth performance. The models can also be integrated into the existing process control system, such * Corresponding author. Tel.: +27-14-598-2233; fax: +27-14-5982432.
Flotation of Platinum Group Metal Ores
This chapter discusses various aspects of PGM (platinum group metal) ores. In general, PGM ores are concentrates in the crust found in two different ways, by leaching the metal-rich lava (mantle ...
On the impact of grinding conditions in the flotation of semi …
The impact of grinding environment on flotation has been investigated for different ores. In the flotation of platinum-group minerals (PGMs) from the Overysel …
Novel Concentration Process for Platinum Group Metals in …
Platinum group metals (PGMs) are primarily used in automotive exhaust catalysts (autocatalysits). Spent autocatalysts are the most important secondary resource for PGMs. However, transporting autocatalyst scraps and recovering PGMs from the scraps are costly and time-consuming, owing to the low PGM content in spent autocatalysts. …
The flotation behaviour of liberated Platinum Group …
This study investigates the flotation kinetics of individual platinum-group elements (PGEs) and gold, namely Pt, Pd, and 2E+Au (i.e., Pt+Pd+Au), in the context of Platreef ore flotation.
Characterisation and Flotation of a Weathered Platinum …
Abstract - In this paper, the effect of weathering on the mineralogy and flotation performance of a weathered Platinum group metal (PGM) ore was investigated. A comprehensive characterisation of the weathered ore was carried out, where physical, chemical, and mineralogical and liberation properties of the sample were determined. …
Treatment of Platinum Flotation Products | Johnson …
A flowsheet has been developed for the production of rich concentrates of precious and non-ferrous metals by a complex treatment of the flotation products from South African platinum-containing chrome ores. The procedure involves: autoclave leaching, roasting, hydrochlorination and precious metal recovery by sorption. Autoclave oxidative leaching …
The Geological Occurrence, Mineralogy, and Processing by Flotation …
Russia and South Africa are the world's leading producers of platinum group elements (PGEs). This places them in a unique position regarding the supply of these two key industrial commodities. The purpose of this paper is to provide a comparative high-level overview of aspects of the geological occurrence, mineralogy, and processing by …
Platinum Metals Metallurgy | SpringerLink
In the flotation concentrate obtained by the flotation of primary platinum ores and copper, nickel, and platinum polymetallic sulfide ores, the content of platinum metals is still very low compared to gangue and other metals, and further enrichment should be carried out through pyrometallurgy. Usually, through the matte smelting of copper or ...
The effect of using different comminution procedures on the flotation
Chapman et al. (2011) studied the effect of crushing by High Pressure Grinding Rollers (HPGR) in combination with rod milling (wet and dry) on the batch flotation test of Platinum-Group Minerals ...
Review of hydrodynamics and gas dispersion in flotation …
Deglon et al. (2000) measured the superficial gas velocity in a variety of industrial flotation cells in South African platinum concentrators using a graduated, clear plastic tube that was fitted ...
(PDF) Interpreting the role of reagents in the …
This study investigated the viability of using AMD as a replacement for potable water in the flotation of a platinum-group-minerals (PGM)-bearing Merensky ore. Rougher and cleaner flotation testwork was conducted …
Platinum
A flotation method using mercaptobenzothiazole collector in an acid circuit was devised for preparing a platinum-palladium concentrate from Stillwater complex gabbro (Montana). Bench-scale experiments …
Flotation of Platinum Group Metal Ores | Semantic Scholar
Flotation of Platinum Group Elements Ores: A Review. P. Sahu P. Dash M. Jena N. Mandre. Materials Science. Mineral Processing and Extractive Metallurgy…. 2022. …
Platinum (Pt) Ore | Minerals, Formation, Occurrence, Deposits
Platinum (Pt) is a rare and valuable metal that is widely used in various industrial applications due to its unique properties. Platinum ore refers to the naturally occurring rocks or minerals that contain significant concentrations of platinum, usually in the form of platinum group minerals (PGMs) and associated minerals. Platinum ore is …
Flotation of Platinum Group Elements Ores: A Review
Causal model of an industrial platinum flotation circuit (2021) Chris Steyn et al. CONTROL ENGINEERING PRACTICE Probing the Effect of Water Recycling on Flotation through Anion Spiking Using a Low-Grade Cu–Ni–PGM Ore: The Effect of NO3−, SO42− and S2O32− ...
Flotation of platinum group metal ore materials
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en/tantalite flotation optimization.md at main · dinglei2022/en
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Review of hydrodynamics and gas dispersion in flotation …
Hydrodynamic and gas dispersion parameters, obtained from industrial flotation cells on South African Platinum concentrators, are reviewed in this paper. Hydrodynamic results show that power intensities are slightly higher than those typically observed in industrial flotation cells while impeller tip speeds and Froude numbers are …
Nano-Silica based mineral flotation frother: Synthesis and flotation …
Flotation of Platinum Group metals. PGMs ores originated from an ore body along The Great Dyke in Zimbabwe. The Great Dyke holds the world's 2nd largest reserves of Platinum Group Metals and chrome (Kotze, 2020). Ore samples and industrial flotation reagents were supplied by Mimosa Mining Company (Pvt) Ltd. About 8.4 L of slurry was …
Flotation technique: Its mechanisms and design parameters
1. Introduction. Flotation is a widely used, cost-effective separation technique for wastewater treatment [1], mineral beneficiation [2], micro-oxygenation of wine [3], fermentation [4], ink removal [5], plastic recycling [6] etc. Flotation techniques are used for the various chemical, mineral and biological industries.In this technique, components …
The valorisation of platinum group metals from flotation …
The valorisation of platinum group metals from flotation tailings: A review of challenges and opportunities | Semantic Scholar. DOI: 10.1016/j.mineng.2023.108216. …
The use of electrochemical measurements in the flotation of a platinum …
However unexplainable flotation results in low grade sulphide ores are often attributed to galvanic interactions with little regard for how feasible such interactions are from a physical point of view. In platinum group mineral (PGM) bearing sulphide ores from the Bushveld complex, South Africa, the combined sulphide grade is typically less ...