Investigating the recoveries and grades of individual platinum group …
Substantial price increases for platinum (2,4%), palladium (43,2%) and rhodium (187,2%) in 2020 resulted in an increase in PGM sales despite a drop in PGM production. A UG2 ore was subjected to laboratory scale flotation tests to evaluate elemental grades and recoveries of the individual elements in the production basket.
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 …
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 ...
Platinum-group minerals in the LG and MG chromitites of …
The chromitites of the Bushveld Complex in South Africa contain vast resources of platinum-group elements (PGE); however, except for the economic upper group (UG)-2 chromitite seam, information on the distribution of the PGE in the ores and on the mineralogical nature, assemblages, and proportions of platinum-group minerals …
Nano-Silica based mineral flotation frother: Synthesis and flotation …
The generated nano-silica had an average particle size distribution of 35-41 nm. The flotation performance of the nano-frother was benchmarked with a commercial conventional frother (SasFrother). At an optimum nano-frother dosage of 20 g/t a recovery of 73.8%, 77.0%, 84.0% and 78.2% platinum, palladium, nickel and copper respectively …
Electrochemical interactions of some platinum group …
During flotation tests, most of the platinum-group mineral grains that remained associated with gangue reported to the flotation tailings, and those associated with liberated base-metal sulphides ...
An investigation into the electrochemical interactions between platinum …
In the flotation of platinum group minerals (PGMs) occurring in the Platreef ore body, it is often assumed that the interactions between thiol collectors and tellurides of Pt and Pd are similar to ...
The effect of using different comminution procedures on the flotation
The uniqueness of Platinum-Group Elements (PGE) deposits and their formation dictates the development of the treatment process and the reagent regime for different ore types. There is however little data published on the flotation of PGE-bearing minerals due to its highly confidential nature ( Bulatovic, 2003 ).
The recovery of platinum-group elements from the UG-2 …
¶The behaviour of platinum-group elements (PGE) during milling and flotation of the UG-2 chromitite layer is still poorly understood. The PGE in the UG-2 chromitite occur primarily in discrete ...
Platinum Group Elements Mineralogy, Beneficiation, and …
The beneficiation of platinum group metals (PGMs) from pristine (unweathered) sulfide ores has conventionally been conducted through froth flotation, which typically achieves platinum recoveries ...
(PDF) KELL HYDROMETALLURGICAL PROCESS FOR …
The Kell Process has been developed for extraction of platinum group metals (PGM) and base metals from sulfide flotation concentrates. The process has been successfully tested on several …
Investigating the Selectivity of Xanthates for the Flotation
The current study investigated the effects of thiol collectors on the flotation of base metals (BMs) and platinum group metals (PGMs) ores. The properties of a single-mineral flotation test were conducted using sodium isobutyl xanthate (SIBX), sodium ethyl xanthate (), potassium ethyl xanthate (PEX), and sodium isopropyl xanthate (SIPX) …
Challenges Related to the Processing of Fines in the …
In order to increase the recovery of PGMs by flotation, it is necessary to optimise the liberation of the key minerals in which the platinum group elements (PGEs) …
Platinum-Group Metal Ores
Flotation of Platinum Group Metal Ores. Srdjan M. Bulatovic, in Handbook of Flotation Reagents: Chemistry, Theory and Practice, 2010 Publisher Summary. 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 …
The Reduction of Chrome in UG-2 Flotation Concentrate by
The South African platinum industry has advanced into an era of predominantly mining and processing Upper Group Two (UG-2) ore to extract Platinum Group Metals (PGMs). Flotation concentrates derived from processing UG-2 ore are typically characterized by high chrome contents (>3 wt.%) which are not amenable to …
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.
Flotation of Platinum Group Elements Ores: A Review
ABSTRACT The unique physical and chemical properties of platinum group elements are making them indispensable in many modern industrial applications. Platinum-group minerals are usually beneficiated by flotation or gravity separation followed by flotation. Due to poor liberation characteristics and interstitial attachment of these …
Potential Processing Routes for Recovery of Platinum …
The beneficiation of platinum group metals (PGMs) from pristine (unweathered) sulfide ores has conventionally been conducted through froth flotation, …
The valorisation of platinum group metals from …
Flotation tailings from South Africa's platinum group minerals (PGM) represent complex polymetallic orebodies comprising a low-grade platinum group …
The valorisation of platinum group metals from …
Download Citation | On Oct 1, 2023, Borbor A.K.K. Gibson and others published The valorisation of platinum group metals from flotation tailings: A review of challenges and …
Extraction of Platinum Group Metals | IntechOpen
Processing of PGM involves comminution, flotation, smelting, converting, base metals refinery and precious metals refinery. …
Platinum Group Elements Mineralogy, Beneficiation, and Extraction
A brief summary of the different beneficiation and extraction techniques practiced at different places are discussed in detail. Flotation and enhanced gravity separation techniques used in some of the major platinum group metal producing plants for recovery of the platinum group of elements are also highlighted and conclusions are …
Oxygen pressure leaching–flotation joint process for …
DOI: 10.1016/S1003-6326(19)65017-X Corpus ID: 199170840; Oxygen pressure leaching–flotation joint process for Jinbaoshan platinum group minerals @article{Rao2019OxygenPL, title={Oxygen pressure leaching–flotation joint process for Jinbaoshan platinum group minerals}, author={Shuai Rao and Zhiqiang Liu and Xian …
Flotation of Platinum Group Elements Ores: A Review
The present article critically discusses all the factors that affect the flotation of platinum group element bearing minerals, flotation routes, essential gaps, the …
Nano-Silica based mineral flotation frother: …
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 …
[PDF] Kell hydrometallurgical process for extraction of platinum group
Synopsis The Kell Process has been developed for the extraction of platinum group metals (PGMs)and base metals from sulphide flotation concentrates. The process has been successfully tested on several different sulphide flotation concentrates, including those from the UG2 chromitite horizon and the Platreef mafic/ultramafic layer. It has been …
Flotation of Platinum Group Metal Ores
Flotation and enhanced gravity separation techniques used in some of the major platinum group metal producing plants for recovery of the platinum group of elements are also highlighted and ...
On the Management of Gangue Minerals in the Flotation of Platinum Group …
The Bushveld Complex of South Africa contains almost 90% of the world's reserves of platinum group minerals (PGMs). In the flotation of PGMs, there are significant challenges arising from the need to treat ever-decreasing grades of the relevant ore deposits. The major challenge in the flotation of these ore bodies is the control and …
Flotation of Platinum Group Elements Ores: A Review
Platinum-group minerals are usually beneficiated by flotation or gravity separation followed by flotation. Due to poor liberation characteristics and interstitial attachment of these minerals with base metal sulfides, chromites, and silicates, fine grinding is necessitated.
(PDF) Effect of frother and depressant interaction on flotation …
In the optimization of platinum group metal flotation plants, various parameters are considered in order to achieve the desired recovery and grade of the precious metals. There should be a balance ...