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extraction of platinium from its ore

extraction of platinium from its ore

How is platinum extracted from its ore? - Answers

2014-6-19 · Platinum is rarely found on its own, but in combination with other base and precious metals. Extraction of the pure metal from ores is a complex process, and includes milling the ore, a froth ...

How Is Platinum Extracted? - Reference

2020-4-13 · Platinum ore can be obtained through controlled explosions or by advanced mining techniques. Once it has been mined, the platinum is extracted from the ore in the same way. The platinum ore is not pure, so it is first crushed. This produces many tiny particles that can be treated. Air particles then bubble through an aeration tank and adhere to ...

Extraction of platinum, palladium and gold by cyanidation ...

1994-4-1 · Cyanidation at pH 11.5 for 48 h of ore ground to 80% − 74 μ m (standard cyanidation conditions) extracted 6–18% of the platinum, 20–50% of the palladium (the values depending on the ore type), and over 95% of the gold. Lowering the cyanidation pH to 9.5 resulted in extraction of up to 85% of the palladium, although the platinum ...

Extraction and Refining of the Platinum Metals

Platinum Metals Rev., 1963, 7, (41,136-143 136 The earlier stages of the mining and recovery of the platinum metals from the Rustenburg Platinum Mines have been reviewed in some detail in this journal (I), while the geology of the Bushveld Igneous Complex and the platinum reefs-constituting

Separating the Platinum Group Metals by Liquid–Liquid ...

2 天前 · 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 refining stage that produces the individual platinum group metals is carried out by selective precipitation from a solution of mixed platinum group metals, but this is inefficient as far as the ...

Platinum Mining and Refining | Education

Platinum is also mined as an ore. Platinum ores such as sperrylite and cooperite may be mined when they are found in quantities that make extraction economically feasible. In

The Extraction of Nickel from its Ores by the Mond ...

THE Mond process marked an entirely new departure in metallurgical practice and in the principles which had hitherto guided it. It depended on the remarkable property possessed by nickel of ...

Extraction of Aluminium (Aluminium Ore) - Hall-Heroults ...

2021-11-25 · The Hall-Heroult process is widely used in the extraction of aluminium. In Hall-Heroults process, pure Al 2 O 3 is mixed with CaF 2 or Na 3 AlF 6. This results in lowering of the melting point of the mixture and increases its ability to conduct electricity. A steel vessel with the lining of carbon and graphite rods is used.

mercury processing - Extraction and refining | Britannica

2021-11-27 · Extraction and refining Pyrometallurgy. The pyrometallurgical extraction of mercury from its ore is essentially a distillation process. When heat is applied to the sulfide ore in the presence of air, oxygen combines with the sulfur to form sulfur

Extraction of Chromium from Chromite Ore

2017-7-20 · Its major uses are in stainless steels and the plating of metals. Other important uses include alloy steel, heating elements, pigments, leather processing, catalysts, and refractories. Of the chromite ore imported into the USA, the

mercury processing - Extraction and refining | Britannica

2021-11-27 · Extraction and refining Pyrometallurgy. The pyrometallurgical extraction of mercury from its ore is essentially a distillation process. When heat is applied to the sulfide ore in the presence of air, oxygen combines with the sulfur to form sulfur

The Extraction of Copper - Chemistry LibreTexts

2021-6-7 · Extracting copper from its ores. The method used to extract copper from its ores depends on the nature of the ore. Sulfide ores such as chalcopyrite (\(CuFeS_2\)) are converted to copper by a different method from silicate, carbonate or sulfate ores.

Extraction of Metals - Methods of Extraction of Metals ...

2021-11-25 · The extraction of metals from ores is what allows us to use the minerals in the ground! The ores are very different from the finished metals that we see in buildings and bridges. Ores consist of the desired metal compound and the impurities and

Extraction Of Silver - Mineral Processing & Metallurgy

2017-1-10 · The extraction of silver by the solving processes simple. The ore is first roasted with salt in the usual way, whereby the formation of base metal chlorides cannot be avoided entirely. After roasting, the ore is first subjected to leaching with water, in

The Properties and Applications of Platinum

2020-8-21 · Platinum is always found alongside other PGMs. In South Africa's Bushveld complex and a limited number of other ore bodies, PGMs occur in sufficient quantities so as to make it economical to exclusively extract these metals; whereas, at Russia's Norilsk and Canada's Sudbury deposits platinum and other PGMs are extracted as by-products of nickel and copper.

UNIT METALLURGY 1

2019-4-9 · The extraction of crude metals from the concentrated ores is carried out in two steps namely, (i) conversion of the ore into oxides of the metal of interest and (ii) reduction of the metal oxides to elemental metals. In the concentrated ore, the metal exists in positive oxidation state and hence it is to be reduced to its elemental state.

Extraction of Gold - Atomistry

The ore is reduced to a fine state of division and amalgamated simultaneously in a stamp-mill, the solid gold-amalgam separated from the liquid mercury by filtration through leather under pressure, and the mercury distilled. Complete extraction of the gold by amalgamation is impossible, a part remaining in the mud of the stamp- mills.

Extraction of Metals from Ores - GeeksforGeeks

2021-10-5 · Extraction of Mercury: Cinnabar (HgS), a sulphide ore, is the most common mercury ore. The following steps can be used to extract the metal (Hg) from the ore. Step 1: In the air, roast concentrated mercury (II) sulphide ore. Roasting is the process of turning a sulphide ore into its equivalent metal oxides by rapidly heating it in the presence ...

Extraction of Tin From Its Ore - JXSC Machine

2021-11-27 · Introduction of extraction of tin from its ore. Rock Tin ore is one of the metals that mankind first discovered. In the early days, our ancestors’ innovative extraction of tin from its ore, used tin, copper and lead to produce bronzes.Tin and tin

extraction process of platinum - BINQ Mining

2013-4-27 · How is platinum extracted from its ore. Answer: Platinum is rarely found on its own, but in combination with other base and precious metals.Extraction of the pure metal from ores is a complex process, »More detailed

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

Extraction of Metals - Methods of Extraction of Metals ...

2021-11-25 · The extraction of metals from ores is what allows us to use the minerals in the ground! The ores are very different from the finished metals that we see in buildings and bridges. Ores consist of the desired metal compound and the impurities and

Extraction of Metals from Ores - GeeksforGeeks

2021-10-5 · Extraction of Mercury: Cinnabar (HgS), a sulphide ore, is the most common mercury ore. The following steps can be used to extract the metal (Hg) from the ore. Step 1: In the air, roast concentrated mercury (II) sulphide ore. Roasting is the process of turning a sulphide ore into its equivalent metal oxides by rapidly heating it in the presence ...

25.2 Extracting ores | Mining of mineral resources | Siyavula

Most of the methods however, make use of chemistry to extract the metal from the compound or remove impurities from the final product. We will discuss the extraction of iron from iron ore as an example. Extraction of iron. Iron atoms are found in the compounds FeO, Fe 2 O 3 and Fe 3 O 4 and in rocks like haematite and magnetite. South Africa is ...

Extraction of Tin From Its Ore - JXSC Machine

2021-11-27 · Introduction of extraction of tin from its ore. Rock Tin ore is one of the metals that mankind first discovered. In the early days, our ancestors’ innovative extraction of tin from its ore, used tin, copper and lead to produce bronzes.Tin and tin

UNIT METALLURGY 1

2019-4-9 · The extraction of crude metals from the concentrated ores is carried out in two steps namely, (i) conversion of the ore into oxides of the metal of interest and (ii) reduction of the metal oxides to elemental metals. In the concentrated ore, the metal exists in positive oxidation state and hence it is to be reduced to its elemental state.

Extraction of Gold - Atomistry

The ore is reduced to a fine state of division and amalgamated simultaneously in a stamp-mill, the solid gold-amalgam separated from the liquid mercury by filtration through leather under pressure, and the mercury distilled. Complete extraction of the gold by amalgamation is impossible, a part remaining in the mud of the stamp- mills.

The Extraction of Copper - Chemistry LibreTexts

2021-6-7 · Extracting copper from its ores. The method used to extract copper from its ores depends on the nature of the ore. Sulfide ores such as chalcopyrite (\(CuFeS_2\)) are converted to copper by a different method from silicate, carbonate or sulfate ores.

Extraction Of Silver - Mineral Processing & Metallurgy

2017-1-10 · The extraction of silver by the solving processes simple. The ore is first roasted with salt in the usual way, whereby the formation of base metal chlorides cannot be avoided entirely. After roasting, the ore is first subjected to leaching with water, in