Learn About Platinum - The Balance

Oct 5, 2017 ... Platinum is a dense metal that is often used in jewelry for its attractive, silver-like appearance. Learn about its properties and ... In 1801, Englishman William Wollaston discovered a method for effectively extracting the metal from ore, which is very similar to the process used today. Platinum metal's silver-like...

How is platinum extracted from its ore - SlideShare

Sep 19, 2014 ... http://www.platinumwheelrefurb.com/ An ore is a naturally occurring mineral from which a pure metal can be extracted. For Platinum, the two-chief minerals are …

How is Platinum Extracted from its Ore? - YouTube

Sep 19, 2014 ... http://www.platinumwheelrefurb.com/ An ore is a naturally occurring mineral from which a pure metal can be extracted. For Platinum, the two-chief minerals ar...

Separating the Platinum Group Metals by Liquid-Liquid Extraction

To extract the platinum group metals from the ore, and to refine them to the very high purity required for their many applications, requires a multitude of complex operations. At present the final re.fining stage that produces the individual platinum group metals is carried out by selective precipitation from a solution of mixed.

Extraction and Refining of the Platinum Metals - Johnson Matthey ...

early nineteen twenties when large deposits of platinum bearing ore were discovered in the Transvaal in ... deals with the succeeding stages of extraction and refining carried out in the smelting works and refineries of ... blast furnace is water-jacketed for its full height and has a rectangular hearth measuring. 72 x36 inches.

Platinum - Wikipedia

It has six naturally occurring isotopes. It is one of the rarer elements in Earth's crust, with an average abundance of approximately 5 μg/kg. It occurs in some nickel and copper ores along with some native deposits, mostly in South Africa, which accounts for 80% of the world production. Because of its scarcity in Earth's crust,...

US4295881A - Process for extraction of platinum group metals from ...

A process for treating chromite-bearing ores to obtain useful mineral values, especially platinum group metal, therefrom wherein the ore is separated into magnetic ... of processing the magnetics product by gravity separation methods is the removal of siliceous gangue material from the chromite which enhances its value.

US915705A - Process of extracting gold, platinum, silver, nickel ...

Suppose first that I have to extract both copper and nickel from oneof their common ores, say a very silicious and rather poor ore. As in other wet processes I begin by grilling the ore, unless the copper and nickel are not in the state of carbonates, sulfurets or arsenites. Y In any case, it is necessary to grind the ore into a...

How can I extract platinum group metals from Cu based rock?

I don't think you can extract platinum without extracting thecopper. Navneet Singh Randhawa. 3 years ago. Navneet Singh Randhawa. National Metallurgical Laboratory. PGMs from Cu ore are not extracted directly. They are generally extracted only after recovery of copper by smelting-electroreffining route. The anode slime...

About Platinum - Gold and Silver Mines

Wollaston subsequently claimed the discovery of another element present in platinum ore; this he called rhodium, after the rose colour of its salts. The discoveries of iridium (named .... The assay bead is dissolved in aqua regia and the metals separated and concentrated, often by solvent extraction. Dissolution of the bead is...

BBC - GCSE Bitesize: Methods of extracting metals

A secondary school revision resource for AQA GCSE Chemistry about metals and their uses. ... copper; silver; gold; platinum. extracted in various ways ... It does not need to be chemically extracted from its ore, but chemical reactions may be needed to remove other elements that might contaminate the metal. Page:.

PGM Platinum Mining & Extraction - 911 Metallurgist

Mar 19, 2017 ... A library of 244 scientific research papers on PGM & Platinum geology, mining and metallurgical extraction methods and processes.

Plasma power: increasing precious metal yields from complex ores ...

Apr 1, 2014 ... Complex ores such as zinc, nickel , copper and lead often conceal 'latent' precious metals, which conventional metallurgy cannot uncover or extract in any ... For example, TPT's latest assay results, dated 11 November 2013, from its Myanmar tungsten ore samples, produced 1,500% more gold yield than...

The Weekend Prospector

Easy gold extraction for the weekend prospector and small miner. With information on how to get your gold, silver and platinum from your ores and black sand.

$16 trillion of platinum could be extracted from seawater | MINING.com

Oct 31, 2012 ... Space mining start-up Planetary Resources President, Chris Lewicki, made more than one eyebrow rise Wednesday as he wrote in his blog that about $16 trillion of platinum is waiting to be extracted from our Earth's oceans. However, he also said that mining asteroids is a cheaper and more realistic option...

Platinum - Pricing and Trading, History, Production and Applications

Its name is derived from the Spanish term platina del Pinto, which is literally translated into “little silver of the Pinto River”. It is a dense, malleable, ductile, precious, gray-white transition metal. It is one of the rarest elements in the Earth's crust and also its least reactive metal. Platinum occurs in some nickel and copper ores...

A GOLD-PLATINUM-PALLADIUM LODE IN SOUTHERN NEVADA ...

By ADOLPH KNOPF. INTRODUCTION. The discovery of platinum-bearing gold ore at the Boss mine, in ... to treat the oxidized copper ores, but, the process proving a failure, the property reverted to its original owners. ..... high-grade ore, such as are now being extracted, will be found to give way to ore of moderate grade.

how is gold extracted from ore

how is gold extracted from ore - crusherasia. How is platinum extracted from its ore - The Q&A wiki . Platinum is rarely found on its own, but in combination with other base and precious metals. Chat Online...

Platinum in Arizona - AZGS Document Repository

Aug 3, 1980 ... Do the platinum minerals occur in mineable quantities, if they do exist? The answer to this question is a qualified, "No." To our knowledge there has never been production of platinum from Arizona. The definition of ore is rock that can be mined and will yield its valuable mineral at a profit. To be classified as...

Osmium, Chemical Element - reaction, water, uses, elements, metal ...

This family consists of five other elements: ruthenium, rhodium, palladium, indium, and platinum. These elements often occur together in the ... Tennant found the new element in an ore of platinum. Osmium is a very rare element and has few ... Extraction. Osmium is obtained when platinum metal is extracted from its ores.

Metal Extraction Concepts Chemistry Tutorial - AUS-e-TUTE

Chemical concepts that determine how a metal can be extracted from its ore, a tutorial suitable for chemistry students.

Recovery of Platinum, Palladium, and Gold From ... - CDC stacks

The Bureau of Mines devised a procedure for selectively extracting platinum-group metals (PGM) and gold from Stillwater Complex flotation concentrate. The Stillwater Complex is the only major U.S. PGM re- source. Development of a suitable extraction technique will contribute to its exploitation. The concentrate was...

Extraction of Palladium and Platinum at Bathopele Mine, South Africa

The Bathopele Underground Mine is located east of Rustenburg in North West Province, South Africa. Anglo American Platinum Limited mines palladium and platinum at this site. The extraction of palladium and platinum is expected to continue until 2026. The mine covers a total area of more than 17km², and its narrow ore...

Ore Bin / Oregon Geology magazine / journal - Oregon Department ...

The ORE BIN. Volume 35,No.9. September 1973. The platinum-group metals have been the subject of consider- able discussion in the news media over the past few months, partic- ... Oregon's platinum production has been tied closely to its gold placer ... The usual method for extracting platinum from black sands requires.

Platinum Ores | Article about Platinum Ores by The Free Dictionary

Their concentrations range from 2–5 g to several kilograms per ton in primary platinum ores, from tenths to hundredths (sometimes thousandths) of grams per ton in primary complex ores, and from tens of milligrams to hundreds of grams per cu m ... Platinum ores are extracted by opencut and underground mining methods.

Leaching and recovery of platinum group metals from UG-2 ... - SAIMM

Leaching and recovery of platinum group metals from UG-2 concentrates yields were not good (less than 40 per cent). Platinum leaching was particularly poor ..... extraction. In summary, it would appear that reductive roasting of sulphide ores followed by leaching with 6M HCl could result in PGM extractions in the region of...

Platinum Ore

Platinum Ore Mining. How is platinum extracted from its ore? An ore is a naturally accuring mineral from which a pure metal can be ectracted For platinum ore mining, the two chief minerals are sperrylite or platinum arsendise and co-operate or platinum sulfide. Extracting platinum from these ores is arguably one of the most...

solvent extraction of palladium - doiSerbia

few applicable extraction and separation processes of palladium and platinum. For decades, much efforts have been made in seeking for high selective extractants used to effectively extract and separate. Pd(II) and Pt(IV) [11-15]. Generally, palladium and platinum exist in the same ore thanks to their similar physical and...

extraction of gold from its ore pdf - tfg

extraction of gold on its ore_Gold extraction WikipediaGold extraction refers to the processes required to extract gold from its ores This may require a combination. Get More ... The online version of Gold Ore Processing by Mike Adams on ScienceDirect.com, Extraction of Gold from Platinum Group Metal Ores, First page PDF.

Digging deeper: Mining methods explained – Anglo American

Underground mining is used to extract ore from below the surface of the earth safely, economically and with as little waste as possible. The entry from the ... We use this for mining platinum. Large scale ... It's a unique challenge – and one that requires a responsible approach that thoughtfully considers the local ecosystem.

Digging deeper: Mining methods explained – Anglo American

Underground mining is used to extract ore from below the surface of the earth safely, economically and with as little waste as possible. The entry from the ... We use this for mining platinum. Large scale ... It's a unique challenge – and one that requires a responsible approach that thoughtfully considers the local ecosystem.

Patent US5238485 - Method for the assay and recovery of precious ...

More specifically, this invention relates to a method for the extraction of precious metals from complex ores and to their assay. In one specific embodiment, this invention relates to the extraction of gold and platinum group metals from non-sulfidic placer ores and their concentrates. 2. Description of the Related Art. Fire assay...

Extractive Metallurgy of Nickel, Cobalt and Platinum Group Metals ...

This book describes and explains the methods by which three related ores and recyclables are made into high purity metals and chemicals, for materials processing. It focuses on present day processes and future developments rather than historical processes. Nickel, cobalt and platinum group metals are key elements for...

Platinum Ore - Discovery Wiki

Dec 17, 2017 ... The ores must be processed to extract the metals of interest from the waste rock and from the ore minerals. Many organizations prefer to receive unsmelted ores in order to keep the additional cost of their production and finish within the local economy, as opposed to paying markups to foreign laborers to do...

Chloride as an Alternative to Cyanide - SGS

At the present time, cyanide is the most widely used reagent to extract gold from its ores and concentrates. However, its use in mining has become the focus of ... The PLATSOL® process, originally designed to recover the platinum group metals (PGM's) from their ores and concentrates, provides an alternative to cyanide for...

Osmium is a rare transitional metal forming part of the Platinum ...

Osmium is a chemical element found mostly alloyed with nickel and copper ores and is produced as a by-product of platinum extraction. South Africa, Canada and Russia are producers of osmium. Its uses are limited and are mostly used as an alloying agent and catalyst.

Strategic metals: Exploring and processing platinum group elements ...

Their work has been crucial in evaluating the economic potential of PGE mineral deposits, since the distribution of PGE between base metal sulphide (BMS) and platinum-group minerals (PGM) in the ore, strongly influences the type of ore processing and its cost. In addition to characterizing ore and improving extraction...

Platinum Group Elements - British Geological Survey

Chemically the PGE are all very similar, but their physical properties vary considerably (Table 1). Platinum, iridium and osmium are the densest known metals, being significantly .... which the PGE occur in association with sulphide-rich ores. A variety of ...... were also formerly extracted from alluvial deposits in New. Zealand...

extracting value - AnnualReports.com

Mar 15, 2013 ... 191,500. Platinum. 154,900. 180,300. 178,500. Rhodium. 31,800. 35,100. 29,400. Total. 445,200. 486,700. 399,400. Operations. Total ore tons milled. 1,081,000 1,131,000 1,095,000. Total tons milled including subgrade. 1,150,000 1,210,000 1,181,000. Combined mill head grade (ounces per ton). 0.49.

Platinum (Pt) - Chemical properties, Health and Environmental effects

chemical properties, health and environmental effects of platinum. ... Platinum and its alloys are used in surgical tools, laboratory utensils, electrical resistance wires, and electrical contact points. It is used (30%) as a ... Platinum primary occurrence is with other metal ores associated with basic igneous rocks. Platinum...

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