Characterisation and Flotation of a Weathered Platinum ...

2020-1-8 · Keywords: Platinum Group Metals, Flotation, Selectivity Index, Upper Group, Weathered Ores. 1. Introduction The Bushveld Igneous Complex (BIC) of South Africa has the world''s largest reserves of platinum group metals (PGMs) found in the Merensky, Upper Group 2 (UG2) and Platreefs [1]. Due to depletion of high grade ore in the Merensky reef and

Flotation of platinum group metal ore materials

A method for flotation processing a platinum group metal ore material including a sheet silicate mineral having a natural tendency to float during flotation processing to prepare a platinum group metal concentrate, the method comprising: flotation of a feed of the ore material to produce a flotation concentrate enriched in platinum group metal ...

The effect of using different comminution procedures on ...

2011-7-1 · 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).

Application of fundamentals in optimizing platinum ...

2011-3-3 · The UG-2 ore is a platinum-bearing chromitite ore that contributes a growing proportion of the platinum group metal (PGM) production from the Bushveld Igneous Complex in Northern South Africa (McLaren and de Villiers, 1982, Phillips et al., 2008). The complexity of design of a UG2 concentrator circuit is primarily due to the

An overview of Southern African PGM smelting

2014-5-26 · Platinum group elements are generally associated with nickel-copper sulphides in magmatic rocks. Depending on the relative concentrations (and market prices) of the ... flotation, drying, smelting, converting, refining, and marketing. Anglo Platinum, Impala Platinum, and Lonmin Platinum are the three largest producers of platinum in the world ...

FL Dorr-Oliver Eimco Flotation Technology

2017-10-2 · and platinum group of metals are well documented. Every project is custom engineered with Application Driven Design for proper metallurgy. Each cell is configured to provide the optimum process condition to match minerals …

Platinum & Palladium Ore Flotation Pilot Plant

2018-9-8 · These data indicate that a technically feasible process for producing a platinum-group-metal-bearing sulfide concentrate from serpentinized ore from the Stillwater Complex is available. by David November 29, 2018 September 8, …

Treatment of Platinum Flotation Products | Johnson …

2021-12-6 · A flowsheet for treating flotation concentrates produced from low-sulfide platinum-containing ores has been developed. It provides low consumption of cheap reagents, complete water circulation and gives a high recovery of …

Hydrometallurgical treatment process for extraction of ...

The platinum group metal flotation concentrate is introduced into the process as feed 1. The feed prepared as a slurry 2 is subjected to autoclave leaching 3 in order to dissolve, at least partially, base metals such as Ni, Cu, Co and Fe. This is done prior to the leaching of the platinum group metals from the concentrate so as to remove the ...

Extraction of Platinum Group Metals | IntechOpen

2018-2-21 · About 80% of the worlds'' reserves for platinum group metals (PGMs) are in South Africa''s Bushveld Igneous Complex. Processing of PGM involves comminution, flotation, smelting, converting, base metals refinery and precious metals refinery. Due to increasing chrome content in the feed and the challenges associated with operating high chrome feed, alternative routes …

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 (mantle) deposited into the crust, which is known as chemical weathering, …

The use of heap bioleaching as a pre-treatment for ...

2018-10-8 · Keywords: Bioleaching, heap leaching, Metallosphaera hakonensis, base metals, platinum group metals Abstract. Two samples, a Platreef flotation concentrate and coarse ore (<6 mm), were column bioleached at 65°C using a culture dominated by Metallosphaera hakonensis. Based on solution

Metals recovery by flotation

I claim: 1. In a froth flotation process for beneficiating a gold, silver or platinum group ore comprising slurrying liberation-sized particles of said ore in an aqueous medium, conditioning the resultant slurry with effective amounts of a frothing agent and a collector, respectively, and floating the desired gold, silver or platinum group minerals by froth flotation methods, the improvement ...

Garatau Platinum Group Metals (PGMs) Mine

Reserves & resources. Contained platinum of 557t, palladium of 351t, gold of 5t, and rhodium of 58t. Mining & Processing methods. Open-pit mining + flotation. The Bushveld Complex, where the Garatau Mine is hosted, is a world-famous PGMs mineralization belt. Its reserves of platinum and chromite are among the highest in the world.

Treatment of Platinum Flotation Products | Johnson …

2021-12-5 · In the flotation of platinum group minerals (PGMs) it has generally been assumed that they will behave similarly to base metal sulfides and thus sulfide reagent regimes are generally used in such flotation plants. However the …

Flotation reagents|Mining chemicals|Mineral Processing ...

About Us . Florrea is a trusted global supplier focusing on supplying specialty flotation reagents and solutions for mineral processing to achieve environmental, social and business benefits, also providing cost effective chemicals for hydrometallurgy, solid liquid separation, water treatment, tailing management and smelter slag flotation treatment.

Effect of pH on the Recovery and Grade of Base Metal ...

2011-9-10 · Platinum Group Metals, Bushveld complex I. INTRODUCTION HIS article concentrates on the effect of pH on the recovery and grade of PGMs from UG2 ore by flotation. Flotation is a process of separating minerals from one another: this technique depends primarily on the difference in the wettability of the particles. This concept is broad and

The Properties and Applications of Platinum

2020-8-21 · An alloy of the platinum group metals (PGMs), which includes platinum, was used to decorate the Casket of Thebes, an Egyptian tomb that dates back to about 700BC. This is the earliest known use of platinum, although pre …

Investigations into the Recovery of Platinum Group ...

Investigations into the Recovery of Platinum Group ...

On the Management of Gangue Minerals in the Flotation …

2018-12-5 · 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 management of the gangue …

THE PRIMARY PRODUCTION OF PLATINUM GROUP …

2020-1-24 · 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 higher quantities, platinum and palladium are the most

(PDF) KELL HYDROMETALLURGICAL PROCESS FOR …

2021-11-19 · 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 different ...

Evaluation of alternative reagent schemes for the ...

The beneficiation of platinum group metals (PGMs) from pristine (unweathered) sulfide ores has conventionally been conducted through froth flotation, …

FUNDAMENTALS OF THE FLOTATION BEHAVIOUR OF …

2017-4-4 · Flotation behaviour of the platinum-group minerals 25 2.3.1. Platinum-group element recovery from the oxidized MSZ of the 29 Great Dyke Zimbabwe 2.4. Chemical stability of Michenerite 30 2.5. Interaction of Thiols with metals 33 3. Research problem and objectives 36 4. Experimental procedure 37 ...

Lime use and functionality in sulphide mineral flotation ...

2019-11-1 · Sulphide ores are the major source of valuable metals such as copper, lead, zinc, and nickel, as well as gold, silver, and platinum group metals (PGMs), and flotation is the dominant industrial process to recover these metals via the production of a sulphide concentrate.

FLOTATION ADVANCES Greater buoyancy

2015-4-24 · flotation circuit was supplied complete with all interconnecting piping walkways and blowers. Smokey Hills in Mpumalanga, owned by Platinum Australia, lies on the eastern limb of the Bushveld Complex, and has a plant design capacity of 97,000 oz/y of three platinum-group metals and gold. Ridge Mining''s Blue Ridge platinum

A review of investigations into the management of …

2018-10-4 · 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 management of the gangue minerals, particularly silicates such as

Recover PGM by Matte Smelting and Leaching

2021-1-6 · Concentration by froth flotation was investigated by the Bureau of Mines because the platinum-group-bearing sulfides occur as fine grains and require grinding to approximately 200 mesh for liberation. Recovery of 80 to 90 pct of the Pt-Pd values was achieved from an acidified pulp with a mercaptobenzothiazole collector.

US6679383B2

Provided is a method involving flotation of a feed of platinum group metal ore material to prepare a platinum group metal concentrate during mineral processing operations. Prior to and/or during the flotation, a lead-containing activator reagent and a xanthate collector reagent are added to the slurry and during the flotation, an oxygen-deficient flotation gas, such as nitrogen gas, is used.