platinum flotation concentrate 911 metallirgist

Preparation of platinum-palladium flotation concentrate …

2021-2-7 · The item Preparation of platinum-palladium flotation concentrate from Stillwater complex ore, by J. Bennetts, E. Morrice, and M.M. Wong represents a specific, individual, material embodiment of a distinct intellectual or artistic creation found in Indiana State Library.

Hydrometallurgical processing of Platreef flotation …

2011-5-1 · Abstract. Platinum producers are evaluating hydrometallurgical process routes to extract platinum group metals (PGM) and base metals (BM) from …

The effect of agitation on the flotation of platinum ores

2005-7-1 · Flotation is routinely used for the beneficiation of platinum ores for which the bulk of world production is from South Africa. Most South African platinum concentrators use mechanically agitated flotation cells which operate with power intensities higher than the typical industrial range of 1.0–2.0 kW/m 3.This is due to the general philosophy in the platinum …

Estimation of platinum flotation grades from froth image …

2011-4-1 · Kaartinen et al. used principal component analysis to analyze the relationship between zinc flotation image feature and concentrate grade, and a model for estimating the concentrate grade based on ...

Platinum

2017-6-24 · 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 showed that rougher flotation recovered 91 pct of the platinum and 88 pct of the palladium in a concentrate assaying 2.6 oz/ton Pt and 8.8 oz/ton Pd.

Removing Gangue Minerals – NASACO

2019-1-10 · In the platinum flotation concentrate shown in Fig.1. the PGMs are present as discrete PGMs and also locked with the three sulphide minerals. Talc and pyroxene are present in the final concentrate as naturally floating gangue. 69% of the talc and pyroxene are present as fully liberated 10-212µm particles. The talc and pyroxene were eliminated ...

platinum produci major mining companies in the world

platinum flotation concentrate 911 metallirgist; marula platinum mine in burgersfort contact; platinum mine com; platinum processing crusher; ... Xinhai mineral processing equipment mainly include: grinding equipment, flotation equipment, dewatering equipment, magnetic separation equipment, and so on.

Hydrometallurgical processing of Platreef flotation …

2011-5-1 · The objective of this testwork programme was to consider the potential for hydrometallurgical processing of Platreef flotation concentrate containing 1.5 g/t Pt, 2.5 g/t Pd and 0.5 g/t Au, 1.5% Ni and 1.2% Cu. Some twenty-two process flowsheet variants were evaluated in a testwork programme examining several conventional and proprietary unit ...

Potential Processing Routes for Recovery of Platinum …

2017-11-6 · 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 …

Hydrometallurgical processing of Platreef flotation …

2011-5-1 · Abstract. Platinum producers are evaluating hydrometallurgical process routes to extract platinum group metals (PGM) and base metals (BM) from flotation concentrate that are alternative to conventional pyrometallurgical matte smelting treatment of flotation concentrates. This approach would attract several potential benefits to the cost ...

Production of Flotation Concentrates Containing Platinum …

2011-12-31 · A hydro-cyclone had been introduced to pre-concentrate the oxide ore by scrubbing the slime before flotation, which can result obviously in reducing the dosages of sodium sulfide from 2.5 Kg/t to ...

Flotation Collectors

2015-8-10 · Flotation Collectors. Simply said; a Flotation Collectors is a chemical used to make the surface of minerals, which is metallic, hydrophobic or in layman''s term ''afraid of water'' or ''water hating'' as others like to say. This chemical used will behaved, in a way, as a wax would when you applied it to your car. After wax (or hydrophobic ...

platinum flotation concentrate 911 metallirgist

Platinum Flotation Concentrate 911 Metallirgist; ... Platinum Palladium Flotation 911 Metallurgist Jun 24 2017 Because most of the platinumgroup bearing sulfides occurred as fine grains and required grinding to approximately 200mesh for liberation flotation was investigated as a means for concentrating the metal values Our investigations ...

Platinum & Palladium Ore Flotation Pilot Plant

2018-9-8 · Results obtained with a concentrate from flotation using AERO 317-Pennfloat 3 are shown in table 4. The amount of gangue minerals depressed was about 70 pct of the weight of the rougher concentrate. The platinum-palladium recoveries and concentrate grades were comparable for tests using TDL and Minflo I depressants. Platinum-palladium recovery ...

Extraction and Refining of the Platinum Metals

In this part of the refinery the four "insoluble" metals – ruthenium, rhodium, iridium and osmium – are extracted and separated as their complex ammonium salts. The final stage in the refining operations – platinum sponge is being melted in …

The effect of using different comminution procedures on …

2011-7-1 · This may have contributed to the poor flotation results with dry milling since for finer particles the bubble particle collision rate is lower and therefore less platinum reports to the concentrate through true flotation. The d 50 for the bulk sample is also lower after dry milling resulting in more fines in the system. These fines can also ...

Froth Flotation Process

2021-1-20 · Froth Flotation Handbook The copper concentrate from a copper lead zinc flotation circuit. Froth flotation, as pointed out previously, was a part of the evolution of milling during the first quarter of the 20th century—a period during which the progress of milling was greater than in all of its previous history. It marks the passing of the ...

Extraction of Platinum Group Metals

2018-2-21 · The milled PGM ore is treated using gravity separators and flotation cells; xanthate and dithiophosphate collectors are typical reagents used for flotation at a pH of 7.5–9 . A sulphide-rich PGM concentrate is produced in the …

Cost Effective Pressure Filtration for Platinum Concentrates

2016-2-16 · flotation concentrate regrinding (UFG or ''conventional ultra fine regrinding'') with typical target P80 grinds of less than 20 microns. These fine grind circuits produce, as a final circuit product, base metal and platinum group metal concentrates that contain a …

Flotation of platinum group metal ore materials

The rougher concentrate 114, clean concentrate 120 and scavenger concentrate 126 are each enriched in platinum group metals and in sulfide minerals and are depleted in nonsulfide gangue (e.g., sheet silicate minerals) relative to the respective ore material feeds to the rougher flotation 112, cleaner flotation 118 and scavenger flotation 124.

Froth flotation of a Merensky Reef platinum …

2015-12-1 · Platinum group elements (PGE) are recovered by flotation from the Merensky reef in the Bushveld Complex, South Africa. The reef contains approximately 1% sulphide minerals in the form of ...

Ultra fine grinding of intermediate flotation concentrates …

2016-2-16 · extraction inefficiency in milling and flotation plants. The intense mixing and surface attritioning in the pumping system may have a further beneficial effect, permitting previously ''coated'' value particles to be recovered by further flotation. Platinum Mile Resources approached Anglo Platinum in late 2003 with a proposal to treat tailings ...

The effect of using different comminution procedures on …

2011-7-1 · A bulk sample of Overysel ore was used in this study. It was prepared for the experimental testwork by jaw-crushing the bulk sample to obtain a representative sample of size <8 mm.This bulk sample was then blended and split into two samples of 100 kg each.The first 100 kg sample was further crushed to obtain a sample of size <3.3 mm using a cone crusher.

processing platinum flotation

Flotation, in mineral processing, method used to separate and concentrate ores by altering their surfaces to a hydrophobic or hydrophilic condition—that is, the surfaces are either repelled or attracted by water.The flotation process was developed on a commercial scale early in the 20th century to remove very fine mineral particles that ...

Flotation

2016-12-15 · Flotation. This is an overview of setting up and conducting a flotation rate test. The test is a means of determining the flotation characteristics of an ore. It is conducted in a laboratory scale cell usually with a volume of two point five litres. The intention is to generate relationships of cumulative recovery, mass pull and grade versus ...

The PGM flotation predictor: Predicting PGM ore …

2015-5-18 · properties. When evaluating concentrate samples, however, the presence of any SG or G class (i.e. non-floatable) particles, or PGM-bearing particles with very low liberation indices is consid-ered to be due to entrainment, provided that the gangue compo-nent of the particle is not hydrophobic. 4. Flotation predictor output

Causal model of an industrial platinum flotation circuit

2021-4-1 · 3.2. Air recovery. Ventura-Medina and Cilliers (2002) defined the fraction of air recovered to concentrate (α) as, (11) α = ϵ f u f Z w q p where u f is the froth velocity at the free surface, Z the froth height above the cell lip and w the lip length. Barbian, Ventura-Medina, and Cilliers (2003) proposed a dynamic froth stability Σ, originally defined by Bikerman (1973), as a …

Flotation of platinum group metal ore materials

2002-10-17 · The rougher concentrate 114, clean concentrate 120 and scavenger concentrate 126 are each enriched in platinum group metals and in sulfide minerals and are depleted in nonsulfide gangue (e.g., sheet silicate minerals) relative to the respective ore material feeds to the rougher flotation 112, cleaner flotation 118 and scavenger flotation 124.

Deep learning-based ash content prediction of coal …

2021-12-1 · At first, CNN was used as a feature extractor, the classification results of a simple network close to Wavelet in the platinum flotation . As the number of network ... Prediction of the ash content of flotation concentrate based on froth image processing and BP neural network modeling ... 911, 10.1080/00986445.2014.886201. View Record in ...

Recover PGM by Matte Smelting and Leaching

2016-1-11 · The FLOTATION PROCESS is one of the commonest methods of extracting the valuable minerals from certain classes of ores, and it is generally more efficient as regards the recovery of the minerals than any other process applicable to the treatment of similar types of ores. The metallic contents of the minerals are recovered from the concentrates ...

The Geological Occurrence, Mineralogy, and Processing by …

2020-11-24 · 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 flotation of the …

Kell hydrometallurgical process for extraction of …

2012-1-1 · The Kell process is a multi-step hydrometallurgical process that has been developed for the extraction of base metals, gold, silver and PGMs from flotation concentrates as an alternative to smelting.

What is your PGM concentrate worth?

2016-2-16 · Some twenty-six new platinum projects have been announced such that there will be a couple of dozen junior platinum mining companies coming into existence in Southern African over the next decade and most intend to mine, concentrate the PGMs in a flotation product and sell the concentrate to a smelter and refiner of PGMs. The price

A COMPLEMENTARY MILLING AND FLOTATION …

2013-10-1 · without violating the circuit''s operational constraints. Additionally, the frequency of flotation concentrate sump overflows was markedly decreased and the sump discharge was stabilised. The most interesting aspect of the control system was the linking of the milling and flotation circuits through a flotation feed density controller.

Platinum Mining and Refining

A platinum flotation circuit. In a process called flotation separation, air bubbles are blown through the mixture and carry platinum particles to the surface of the bath. The platinum-rich froth is skimmed from the bath and allowed to dry into a …

Treatment of Platinum Flotation Products

Article Synopsis. 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 …