flotation processing of pgms - waterheide.nl
Introduction to Mineral Processing Chevron Phillips Chemical. Introduction to Mineral Processing. In ore beneficiation, flotation is a process in which valuable minerals are separated from worthless material or other valuable minerals by inducing them to gather in and on the surface of a froth layer.
OVERVIEW OF PGM PROCESSING
•PGMs •Gold Incorporating PGMs into various end applications Processing: c.10% of input from non-integrated miners Major PGM miners are integrated from mining to refining and therefore maintain considerable processing assets that produce both refined PGMs and by-products
THE PRIMARY PRODUCTION OF PLATINUM GROUP METALS (PGMs)
THE PRIMARY PRODUCTION OF PLATINUM GROUP METALS (PGMs) Introduction The six platinum group metals (PGMs) occur together in nature alongside nickel and copper. Mineable deposits of PGMs are very rare, with annual production amounting to around 400 tonnes, several orders of magnitude lower than many common metals. Due to their economic values and
mineral processing flowsheet for pgms mines
The Mineral Processing Flowsheets shown on the following pages are based on actual data obtained from successful operating plants. Metallurgical data are shown in these flowsheets which incorporate Crushers, Grinding Mills, Flotation Machines, Unit Flotation Cells, and Selective Mineral Jigs as well as other standard milling equipment.
Recovery of PGMs from an oxide ore by flotation and leaching
Recovery of PGMs from an oxide ore by flotation and leaching Msc Research Thesis Prepared by: Relebohile Sefako Student number: ... flotation recoveries achieved using the sulphide co-collector schemes were 55.1% 3E (Pt, Pd and Au) ... Figure 4 Experimental flow diagram of oxidized PGM ore potential processing through sulfidisation
Hydrometallurgical processing of Platreef flotation ...
Assessed hydromet alternatives for processing low-grade high-Cr PGM concentrates. Kell Process: POX-roast-HCl/Cl 2 separates Ni/Co/Cu sulfates and PGMs as chlorides. Roasting step modifies PGM phases, increasing Pt leach recoveries by 17–45%. Un-optimized elemental deportments: Ni 96%, Co 94%, Cu 94%, Pt 96%, Pd 94%, Au 87%. Economic and environmental benefits over conventional ...
Froth Flotation (Sulphide & Oxide)
To participate in the 911Metallurgist Forums, be sure to JOIN & LOGIN Use Add New Topic to ask a New Question/Discussion about Flotation. OR Select a Topic that Interests you. Use Add Reply = to Reply/Participate in a Topic/Discussion (most frequent). Using Add Reply allows you to Attach Images or PDF files and provide a more complete input. Use Add Comment = to comment on someone else’s ...
Investigating Ways of Improving Recovery of Slow Floating ...
Investigating Ways of Improving Recovery of Slow Floating PGM Minerals at Zimplats Munyaradzi Mugadza ... depressant to the cells processing material with mostly slow floating values. Results ... This grind is adequate for the flotation of PGMs and hence regrinding was not done.
Development of PGMs and Chrome Extraction Circuit from UG ...
chromatite levels whilst maintaining sustainable PGMs recovery. This was accomplished by installing a chrome extraction plant in the middle of the flotation circuit in order to benefit the increase in PGMs recovery from secondary circuit by lower tonnage to the mill, …
TREATING CHROME TAILINGS FOR PGMs | …
This is followed by flotation banks comprising 10 cleaner and five recleaner cells that take the concentrate recovery level of about 44% of the contained PGMs. Collector reagents are used to make the PGMs aerophilic, depressors are used to make the chrome hydrophilic, in addition to the frother.
The PGM flotation predictor: Predicting PGM ore flotation ...
The PGM flotation predictor: Predicting PGM ore flotation performance using results from automated mineralogy systems Charles Bushell⇑ Mineralogy Division, Mintek, Private Bag X3015, Randburg 2125, South Africa article info Article history: Available online xxxx Keywords: Precious metal ores Froth flotation Flotation modelling Process ...
(PDF) A review of pyrrhotite flotation chemistry in …
The chemistry of pyrrhotite flotation using xanthate collectors is reviewed with respect to the processing of PGM ores and the recent results from captive bubble contact angle measurements at the University of Utah are presented. In some cases a low
Commercial Processes for the Extraction of …
Platinum Group Metals (PGMs) play a significant role in the manufacturing of catalysts, super alloys, electronics, space materials, biomedical equipments, jewellery, etc. due to their excellent ...
1 Froth Flotation – Fundamental Principles
1 Froth Flotation – Fundamental Principles Froth flotation is a highly versatile method for physically separating particles based on differences in the ability of air bubbles to selectively adhere to specific mineral surfaces in a mineral/water slurry. The particles with attached air …
Effect of pH on the Recovery and Grade of Base Metal ...
flotation performance. The Bushveld complex which is the world’s largest known source of PGMs with very complex sulfides and PGMs mineralogy was studied in this work. Depending on the type of reef and geography the Bushveld complex is the predominant PGM mineral types and their association and can vary to a great degree [3].
Potential Processing Routes for Recovery of …
The beneficiation of platinum group metals (PGMs) from pristine (unweathered) sulfide ores has conventionally been conducted through froth flotation, which typically achieves platinum recoveries of over 85%. The achieved successes of PGM concentration by flotation from the pristine sulfide ores are largely due to the occurrence of PGMs in close association with base metal sulfide minerals like ...
(PDF) Potential Processing Routes for Recovery of …
The flotation concentrate with the highest PGM recovery was leached using sulphuric acid in order to remove the base metals and further enrich it in PGMs. Extractions of 73.3% Cu, 82.9% Ni, and 8 ...