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Process for recovering platinum group metals from ores also ...

Aug 22, 1978 ... 2,829,967 discloses a process for separating platinum group metals from copper-iron-nickel sulfide ores by roasting the non-precious metals to oxides, chlorides or sulfates, leaching the salts to separate the iron and PGM, then chloride treating the solution to separate the iron and finally precipitating the...

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Separating Metals from Mud - Mining Technologies | Science ...

Mar 27, 2011 ... Dave and Meera have been out exploring how you separate the metal we do want from the rocks we don't...Meera ... they are copper iron sulphide, or copper sulphide, something like a chalcopyrite as it's called versus an oxide mineral which is our gangue or our waste minerals, the other 98 percent is that.

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How is platinum extracted from its ore - SlideShare

Sep 19, 2014 ... Foam flotation: The platinum ore is crushed and milled, which increases the surface area of the metal and making it easier to extract all the valuable metals. Froth flotation is a method of separating materials on the basis of their physical properties, for instance affinity for water or density. In Platinum mining...

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Patent US4108639 - Process for recovering platinum group metals ...

Aug 22, 1978 ... A process is described for the separation of platinum group metals (PGM) from ores also containing iron, nickel and copper as sulfides. ... 2,829,967 discloses a process for separating platinum group metals from copper-iron-nickel sulfide ores by roasting the non-precious metals to oxides, chlorides or...

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BBC - GCSE Bitesize: Methods of extracting metals

Ores are naturally occurring rocks that contain metal or metal compounds in sufficient amounts to make it worthwhile extracting them. For example, iron ore is ... carbon. zinc; iron; tin; lead. extract by reaction with carbon or carbon monoxide. hydrogen. copper; silver; gold; platinum. extracted by various chemical reactions...

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Classification, Distribution and Uses of Ores and Ore ... - Springer

Table 2.1 Metals, useful minerals and their ores. Class. Element. Mineral. Composition*. Ferrous metals. Iron (Fe). Hematite. Fe2O3. Limonite, goethite. FeO·OH ... SnO2. Precious metals. Gold (Au). Native gold. Au. Platinum (Pt). Alloys of platinum group elements (PGE). Pt, Pd, Os, Ir … Silver (Ag). Native silver. Argentite. Ag.

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Geology Terms – Resource Opportunities

Steps required for converting an ore body into sellable metal. Most ores are usually bound to other elements, most commonly sulfur. Other common elements found with metallic minerals include arsenic, antimony, tellurium and even other metals, such as iron. The Geology Of Platinum Group Metal Deposits Or: Why is it so...

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Ore - Wikipedia

An ore is a type of rock that contains sufficient minerals with important elements including metals that can be economically extracted from the rock. The ores are extracted from the earth through mining; they are then refined (often via smelting) to extract the valuable element, or elements. The grade or concentration of an ore...

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Learn About Platinum - The Balance

Oct 5, 2017 ... Platinum is considered a biologically compatible metal because it is non-toxic and stable, so it does not react with, or negatively affect body tissues. Recent ... It is then heated to over 2732F° (1500C°) in electric furnaces and air is blown through again, removing iron and sulphur impurities. Electrolytic and...

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A New Way to Find Platinum Group Metals - Thermo Fisher Scientific

Apr 14, 2016 ... The process from extraction to final product involves crushing and milling the ore into fine particles, concentrating the particles using froth flotation followed by drying and smelting at high temperature, removing iron and sulfur, and finally, separating out the base metals (nickel, copper, cobalt) and refining...

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Ore Mining and Dressing Effluent Guidelines - EPA

Jul 5, 2017 ... Iron Ore. Aluminum Ore. Uranium, Radium and Vanadium Ores. Mercury Ore. Titanium Ore. Tungsten Ore. Nickel Ore. Vanadium Ore (Mined Alone and Not as a Byproduct). Antimony Ore. Copper, Lead, Zinc, Gold, Silver, and Molybdenum Ores. Platinum Ores. Gold Placer Mining. Additionally, Subpart L...

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GregTech 5/Mining and Processing - Official Feed The Beast Wiki

Apr 24, 2017 ... GregTech 5 has dozens of ores with complex processing chains that produce hundreds of different materials. Almost every element on the Periodic Table and many kinds of real-life mineral and ore deposits are represented in mod. This guide lists all of the various ores and all of the ways they can be...

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How do i separate gold from sulphides without using chemicals or ...

Look-up Iodine leaching of Gold on the internet. Iodine is safe and reusable. Also it leaches Gold,Platinum, and silver in that order and none of the base metals. Works great on iron gossan which is what you have in your dirt.That's really a good thing because you don't have the cost to crush your ore. JackWayne...

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Lecture 10 Mineral Resources and Mining s.ppt

Native Ores: Gold Au, Copper Cu, Platinum Pt; Base Metal Ores: Bauxite (mostly Gibbsite Al(OH)3), Hematite Fe2O3, Magnetite Fe3O4; Sulfide Ores: Silver as ... Mining: extract ore from ground. 4. Beneficiation: separate ore minerals from other mined rock. (Mill). 5. Refining: extract pure commodity from the. ore mineral.

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Patent US915705 - Process of extracting gold, platinum, silver ...

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...

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True giants of mining: World's top 10 iron ore mines | MINING.com

Sep 17, 2015 ... The following analysis covers those iron ore production centers that have two main distinctive features: disclosure of production numbers by the owner/operator and separate production units running as a single operation. Therefore the iron ore operations ranked here be individual mines or a complex of...

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Mining for metals in society's waste - The Conversation

Oct 1, 2015 ... Mining waste rock from historic mines or even treated sewage to find useful metals and minerals could be a sustainable way to meet demand for these ... Contemporary metal mining is dominated by iron ore, copper and gold, with 2 billion tons of iron ore, nearly 20 million tons of copper and 2,000 tons of...

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Mining - The Canadian Encyclopedia

It may also include quarrying, or the digging of sand, gravel or aggregate for construction purposes. Although the excavation of oil sands is similar, oil and gas production is not typically considered mining. Important Canadian mineral products include precious metals (gold, silver, platinum) and diamonds; base metals (iron,...

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I made an illustrated route of rich iron and platinum nodes ...

I liked the wiki guides to getting rich ore nodes (sourced at the bottom), but I wanted to find a way to get all my rich nodes without spending...

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Eco-efficient and cost-effective process design for magnetite iron ore ...

Mining – and especially minerals processing – routes for different ores (base metals, iron ore, bauxite, platinum, etc.) .... Circuit complexity is partially reduced by open secondary crushing, HPGR grinding and stirred milling operation, although recovery, storage and control of three separate-sized media streams are...

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3 Technologies in Exploration, Mining, and Processing ...

In-situ mining, which is treated under a separate heading in this chapter, is a special case that combines aspects of mining and processing but does not require .... rock, so extraction would cause minimal disturbance, and they consisted primarily of chalcocite with little or no iron sulfide that would produce acid-rock drainage.

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Metals 101: Properties of Metal, Experiments, and More

Noble metals include copper, palladium, silver, platinum, and gold.Alkali Metals ... pure gold. Gold can also be mixed with other metals to change its color; white gold, which is popular for jewelry, is an alloy of gold and platinum or palladium. ... The resulting reactions separate out the iron from the oxygen in the ore. This 'pig...

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Platinum Ore, Platinum Ore Suppliers and Manufacturers at Alibaba ...

Alibaba.com offers 679 platinum ore products. such as free samples.

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Explore, discover and analyse: the best mineral testing tools ...

Apr 4, 2012 ... Molecular structure patterns of gold, silver, platinum, zinc and copper are applied to satellite and airborne image downloads of the survey area, to identify field intensity and probability of the ... XRF is commonly used to map deposits of base and precious metals, as well as rare earth elements and iron ore.

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2. Literature review on platinum-group minerals - University of Pretoria

The distribution of PGEs (platinum-group elements) in an ore is directly related to the type of ore ... PGE ores can be divided into the following main classes (Stribrny et al., 2000):. • Alluvial ores: These ores contain almost no sulphide and are composed of ..... hydroxides (talc) and calcium magnesium iron silicate hydroxides.

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tin, quicksilver, platinum, etc. tin in the franklin mountains, texas.

deposits « the geology of the Franklin Range, in which the ore occurs, has been further studied, and some additional ...... 487. 41. Gold and platinum. c3.40. 204. 34. 100.33 c 339. 98 c.31. 10. 31 c 315. 00. Trace. Oi a Includes ilmenite. 6 Incudes hematite. cNo platinum. d Limonite. « Pyrite and iron phosphate or durfrenite.

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Metals & Mining - Jewish Virtual Library

Six metals are mentioned in the Bible and in many passages they are listed in the same order: gold, silver, copper, iron, tin, and lead. ... The prophet was apparently well acquainted with the technical process of refining and smelting silver, and describes how silver is extracted from its ores by means of bellows, leaving slag...

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Cleaner, Cheaper Way to Make Steel Uses Electricity - Scientific ...

May 9, 2013 ... A report released yesterday in the journal Nature highlights a step in this direction that uses electricity instead of heat to extract iron. ... Previous attempts to electrolyze ores used anodes made of expensive elements like platinum and iridium, or the components broke down in the 1,600-degree-Celsius...

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US Mines to Market - National Mining Association

Sep 9, 2014 ... SNL Metals & Mining undertook the necessary research into domestic supply and demand chains for the U.S. mined commodities and their contribution to the manufacturing sector. Key minerals highlighted included copper, gold, iron ore, molybdenum, platinum group-metals, rare earths, silver and zinc.

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Full text of "Roasting of gold and silver ores : and the extraction of ...

With the exception of a few metal oxides of iron, zinc, tin, manganese, and, among silver ores, of the stetefeldtite, etc., the most important, be- cause most .... 15 chlorine is salt (chloride of sodium), and the only practical way of separating the chlorine from sodi- um is by substituting for it another substance for which the...

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Geological ore deposits - Australian Museum

Sep 25, 2015 ... Geological ore deposits are of many different types and occur in all geological environments. ... Geologists are always searching for more ore deposits to meet constant demand. This has become more difficult ... chromium; titanium; iron; nickel; copper; platinum-group elements; diamonds. Pneumatolytic...

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Platinum group | chemical element group | Britannica.com

The classical procedure for separating the platinum metals begins with a mineral concentrate obtained as described above. ... The alloy of copper and precious metals is leached to dissolve the copper or iron, leaving behind a platinum-palladium-rhodium concentrate, which is refined to pure metals with chemistry similar to...

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Nickel processing | Britannica.com

In the case of sulfides, the reaction of oxygen with iron and sulfur in the ore supplies a portion of the heat required for smelting. ... the ore is almost equal to that of nickel, the concentrate is subjected to a second selective flotation whereby the copper is floated to produce a low-nickel copper concentrate and a separate nickel...

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Gold processing | Britannica.com

Endogenetic gold ores include vein and lode deposits of elemental gold in quartzite or mixtures of quartzite and various iron sulfide minerals, particularly pyrite .... the most reliable method for accurately determining the content of gold, silver, and platinum-group metals (except osmium and ruthenium) in ores or concentrates.

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Topic - Iron Ore - Mining Weekly

By: Reuters 6th February 2018 Iron-ore shipments to China in January from Australia's Port Hedland terminal fell 11.3% from a month ago to 34.7-million tonnes, .... By: Natasha Odendaal 25th January 2018 Despite removing higher-cost platinum and metallurgical coal volumes, LSE- and JSE-listed Anglo American has...

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Mining terms explained: A to Z – Anglo American

the raw form of products such as iron ore and coal that is shipped and sold in large quantities. Collar – ... In mining it's used to separate valuable mineral or metal from waste material making making it gather on the surface of a 'froth' layer. .... Why is market development important for mining and platinum group metals?

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Platinum: The mineral native Platinum information and pictures

Natural Platinum is fairly impure. It is always associated with small amounts of other elements such as iron, gold, copper, and nickel, and may also contain the rare metals iridium, osmium, rhodium, and palladium. These impurities can lower its specific gravity to as much as 14, whereas pure elemental platinum is 21.4.

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ore - National Geographic Society

May 7, 2011 ... Encyclopedic entry. Ore is a deposit in the Earth's crust of one or more valuable minerals. The most valuable ore deposits contain metals crucial to industry and trade, like copper, gold, and iron.

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Rocks and Minerals Make up Your World - CDC

14. IRON ORE. 15. COPPER ORE. 16. PRECIOUS METAL ORE. 17. GOLD ORE. 18. ROCKS AND INDUSTRIAL MINERALS 19. GYPSUM. 21. LIMESTONE ... platinum. • The digital alarm clock you rely to wake you up every morning relies on boron, copper, gold, and quartz to work. • Computers are made from more than 30...

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Metals - Wyoming State Geological Survey - State of Wyoming

Although significant metals production has not occurred since iron ore mining ended at South Pass in 1983, fluctuating metals prices during recent years have spurred erratic interest in, and increased exploration for, Wyoming's gold, platinum, copper, iron, rare earth elements (REE), titanium, and related metals.

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