ore processing pgm

Platinum group

Platinum group, six metals, in order of increasing atomic weight, ruthenium (Ru), rhodium (Rh), palladium (Pd), osmium (Os), iridium (Ir), and platinum (Pt). The elements all possess a silvery white colour—except osmium, which is bluish white. The chemical behaviour of these metals is paradoxical Get price

pH Control in Flotation of PGM Platinum Group Metal Ores

I presume that your PGM ore is of similar mineralogical make-up. Iron sulphides float much better and faster at low pHs (4 to 5) - more oxidizing (collector conversion) and no iron hydroxides to precipitate and limit collection (basis for depression of pyrite at higher pHs with lime which accentuates the effect). Get price

Precious metal mining and processing

Mineral exploration of gold, silver and PGM metal ores becomes more challenging every year. Mines increasingly facing lower ore grades and complex mineralogy, forcing mills and concentrators to process more material. Mine planning, separation and concentration are directly related to mineralogy, metallurgy and variability of the ore body. Get price

The Biggest Platinum Metal Producers

Nov 20, 2019As many nickel ores also contain PGMs, Vale is able to extract platinum as a by-product of its nickel-refining process. The company takes PGM-containing concentrates from its Sudbury, Canada, operations to a processing facility in Port Colborne, Ontario, which produces PGMs, gold, and silver intermediate products. Get price

Ammonia Leaching as a Pre

conventional mineral processing technologies for the treatment of low grade oxidised PGM ores. The exposure of the ore to the atmosphere leads to the formation of an oxidation layer (consisting of base metal oxides) which inhibits the flotation process that requires a clean mineral surface to be effective. Get price

Neomet Technologies – Rethinking Metallurgy

These processes include extracting hi purity nickel from laterite ores, zero-cyanide gold and silver processes, economically viable treatment of refractory and arsenic-containing ores, titanium and vanadium extraction; processing PGM from massive sulphide-based ores; and rare metals recovery. Get price

Best Practice for Metal Accounting

May 06, 2013PGM production could no longer be accounted only on a monthly basis. The need for shorter assaying delays triggered the search for faster analytical techniques. Another driver for change was the need for better understanding the flotation response of non-Xstrata Nickel ores. With Xstrata Nickel ores, achieved production results could always be Get price

The roasting of PGM

Process applications include roasting, calcining, combustion, and the charring of coals. Outotec also supplies equipment for off-gas treatment and acid plants. One possible application for this fluidized-bed technology is as a part of Mintek's ConRoast process, where PGM-ore concentrates are dead-roasted prior to smelting in a DC arc furnace. Get price

Production

Pgm ore grades have shown a gradual decline, and recent production has been supplemented by the processing of above ground stocks of various concentrates. The company plans to reverse this downward trend by processing increased ore tonnage. This will come from expanding massive ore output in the Skalisty mine and growth in disseminated ore Get price

Processes

Open-pit – 90% of ore is mined using the open pit method. Ores near the surface can be quarried after removal of the surface layers. The ore An ore is a rock that contains enough metal to make it worthwhile extracting. Grinding The ore is crushed, then ground into powder. Concentrating The ore is enriched using a process called froth flotation. Get price

Experiences in the production of J metallurgical and

not only by virtue of the decoupled nature of the primary PGM recovery process and secondary gravity based chromite recovery circuits, but also because of intrinsic variations in the nature of the ore and its mineral composition. Variability in the ore, together with upstream process dynamics, creates a challenging environment in Get price

Ore

Ore, a natural aggregation of one or more minerals that can be mined, processed, and sold at a profit. An older definition restricted usage of the word ore to metallic mineral deposits, but the term has expanded in some instances to include nonmetallics. Although more than 2,800 mineral species Get price

Commercial Processes for the Extraction of Platinum Group

Mar 11, 2018Duyvesteyn S, Liu H, Duyvesteyn WPC (1994) Recovery of platinum group metals from oxide ore-TML process. In: Proceedings of international symposium on hydrometallurgy. Chapman Hall, London, pp 887–912 Google Scholar Get price

PLATINUM ANGLO AMERICAN SITE VISIT

5 PGM PROCESSING Own and operate world class processing assets PGM processing consists of concentration, smelting and refining –concentrators are always co-located and linked with mining Major PGM producers integrated in a resource driven value chain –smelting, base and precious metal refining capacity in SA controlled by the four largest PGM producers Get price

US5292490A

A method is provided for recovering at least one platinum group metal from an ore containing the same. The method comprises reducing the particle size of the ore to provide the platinum group metal in a leachable condition following which the ore is subjected to leaching with a sulfuric acid solution maintained at a pH of less than 1 during leaching. Get price

Reprocessing

May 30, 2020Compressed ores require 1 unit to process, while uncompressed ores require 100 units. You cannot process uncompressed ores with less than 100 units of a single type, e.g. 75 units of Veldspar cannot be combined with 25 units of Dense Veldspar for processing. Both compressed and uncompressed ores yield the same amount of minerals per batch. Get price

Live PGM Prices

Live PGM Prices. Metals Daily brings you the fastest, free source of Live PGMs prices in all major currencies 24 hours a day. Live Spot Prices for PGMs in ounces, all in real-time in 40 currencies. Our fast loading Live PGM price charts update every second to provide you with the most up to date and accurate Live PGM prices in the UK. Get price

ConRoast

Low-temperature roasting followed by acidic bromine leaching yielded a platinum recovery of 85% from mixed oxide / sulphide ores in Zimbabwe (33). PGM sulphide concentrates with high chromite contents. PGM sulphide ore concentrates from South Africa are predominantly of two types: those from the Merensky reef, and those from the UG2 reef. Get price

PGM ore processing: LIX reagents for palladium extraction

PGM ore processing: LIX reagents for palladium extraction platinum stripping from Alamine 336 using NaOH-NaCl. Highlights•Palladium extraction using various LIX 64N, LIX 34, LIX 70, LIX 984 and LIX 84I.•Extraction isotherm data evaluated for quantitative palladium recovery from PGM ore.•Use of novel reagent, NaOH-NaCl solution for platinum stripping from Alamine 336.•Use of NaOH-NaCl Get price

WO2003087416A1

PGMs can be extracted from a source material by heat-treating the source material to form a residue containing PGMs in a cyanide leachable condition and, thereafter, cyanide leaching the resudue using a solution containing cyanide to form a pregnant cyanide leach liquor containing PGMs in solution. Get price

Experiences in the production of J metallurgical and

not only by virtue of the decoupled nature of the primary PGM recovery process and secondary gravity based chromite recovery circuits, but also because of intrinsic variations in the nature of the ore and its mineral composition. Variability in the ore, together with upstream process dynamics, creates a challenging environment in Get price

Direct leach approaches to Platinum Group Metal (PGM) ores

Jul 01, 2015A low-cost hydrometallurgical process depicted in Fig. 7, an alternative to smelting, consisting of a heap bioleach process to first extract the base metals (BMs); followed by a caustic rinse of the residue material and a heap cyanidation process to subsequently extract the PGMs, has been suggested for treating low-grade ores/concentrates (Mwase et al., 2014, Mwase et al., Get price