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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 dioxide and the metal is liberated at a temperature above its boiling point The gases are then passed through a series of Ushaped tubes to condense the mercury
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 dioxide and the metal is liberated at a temperature above its boiling point The gases are then passed through a series of Ushaped tubes to condense the mercury
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Lead is extracted from ores dug from underground mines Of the more than 60 minerals that contain lead only 3 galena cerussite and anglesite are commercially viable Usually lead is found in conjunction with other metals such as silver and zinc
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Jun 01 2020 · In this course Dr Pooja Sharma will provide indepth knowledge of the Periodic Table The Extraction of metals from its ore also would be discussed in detail The course would be helpful for aspirants preparing for CBSE 10 Learners at any stage of their preparation will be benefited from the course The course will be covered in Hindi and the notes will be provided in English
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The process of extraction of metal from the concentrated ore depends upon the nature of the ore as well as the nature of impurities present in the ore Before the concentrated ore is subjected to final metallurgical operations in order to get the metal in the free state the preliminary chemical treatment may be
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Roasting of ore as the ore is of sulphide then roasting is to be done this involves the heating of sulphide ore in the Presence of oxygen to form metal oxide and Sulphur dioxide HgS O2 HgO SO2 Further heating as Mercury is a low reactive metal hence we can heat it’s oxide to separate them Means 2HgO heat 2Hg O2
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An ore is a mineral deposit with reasonable composition of a desired metal Methods of Extraction Depend on position of the metal in the reactivity series Main methods are Electrolytic Method Used for metals high up in the reactivity series Eg Sodium and Potassium Calcium and Magnesium Aluminium These metals occur in very stable ores
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Oct 02 2017 · 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 to smelting of PGM are
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Extraction using carbon Metals such as zinc iron and copper are present in ores as their oxides Each of these oxides is heated with carbon to obtain the metal The metal oxide loses oxygen and is therefore reduced The carbon gains oxygen and is therefore oxidised
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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 dioxide and the metal is liberated at a temperature above its boiling point The gases are then passed through a series of Ushaped tubes to condense the mercury
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Silver and cadmium are separated from lead and zinc respectively in the subsequent metal extraction processes The Broken Hill mines contain 6 lead and 10 zinc and flotation concentrates the ore into two streams a lead concentrate containing 70 lead and a zinc concentrate containing 50 zinc
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Extraction of tungsten Tungsten ore processing that is separation and beneficiation of tungsten minerals from tungsten bearing ores Tungsten concentrates are sent to smelters to refine the metals tungsten tungsten carbide tungsten alloys and tungsten compounds while tungsten middlings is chemically treated to produce synthetic scheelite ammonium paratungstate tungsten powder and
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“After the extraction the metals are in a solution so we also have the equipment to make liquidsolid separation We separate all the extracted materials and the bacteria that we use for extraction from the supernatant which is the liquid waste that contains the dissolved metals
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Apr 10 2020 · Extracting metals from ores is a whole science of its own And each metal is somewhat different Most iron ore mined today its quite high in grade Much of Western Australias iron ore runs more than 60 iron The iron is in the form of iron oxid
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Copper is a metal that is present low in the reactivity series It mainly occurs in nature in the form of sulphide ore which can be converted into the corresponding oxide simply by heating in the absence of air a process known as roasting The obtained oxide is then reduced with carbon or any other suitable reducing agent to obtain the metal
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Title Extraction of metals from their ores 1 Chapter 52 Extraction of metals from their ores 2 An ore of a metal metal minerals impurities 3 Processes of obtaining a pure metal from an ore Mining of the ore Concentrating the ore Extraction of the metal from the concentrated ore Purification of the impure metal refer to pg
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Iron is extracted from iron ore in a large container called a blast furnace Iron ore known as haematite contains iron III oxide This is added to the blast furnace along with coke a form of
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Aug 25 2020 · Extractive metallurgy is the practice of removing valuable metals from an ore and refining the extracted raw metals into purer form The field of extractive metallurgy encompasses many specialty subdisciplines including mineral processing hydrometallurgy pyrometallurgy and electrometallurgy
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Methods of extracting metals There are two main methods of extracting metals from their ores reduction with carbon electrolysis using electricity The method of extraction which is most appropriate depends on the reactivity of the metal being extracted Most metals are found combined with other elements as compounds in ores
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Paddles and air constantly stir up the suspension to create the froth This frothy metal is skimmed off the top and dried to recover the metal Metal from Concentrated Ore The next step in the extraction of zinc is called Roasting The concentrated ore is finely ground into
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The copper metal is mainly extracted from is sulphide ore copper pyrites CuFeS2 The Cup obtained can be reduced to copper by treating with Cu2S2Cu2S→3O22Cu2O 2SO2 Previous Year Papers Download Solved Question Papers Free for Offline Practice and view Solutions Online
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The process of ore formation is called ore genesis Ore Preparation It takes multiple steps to extract the “important” element from the ore First the ore must be separated from unwanted rocks Then the minerals need to be separated out of the ore Since most minerals are not pure metals further separation methods are required
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May 03 2018 · Nickel and its extraction 1 Presented By 1 Russia and South Africa Canada is the worlds leading nickel producer and the Sudbury Basin of Ontario contains one of the largest nickel deposits in the world and electrowinning to produce nickel from ore Heap leaching is an industrial mining process to extract precious metals from ore
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Configuration:Jaw crusher, grinding mill, bucket elevator, magnetic vibrating feeder, transmission gear, main engine.
Applied Materials:Feldspar, calcite, talc, barite, fluorite, rare earth, marble, ceramics, bauxite, manganese, phosphate rock, etc.
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Feeding Granularity:0.03-1mm
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Applicable Range:Suitable for separating materials with 0.3-0.02 mm particle size, such as iron ore, ilmenite, chromite, pyrite, zircon, rutile, monazite, Phosphorus, tungsten, tin, tantalum, niobium, rare metals, non-metallic minerals
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Feeding Granularity: 120-1500mm
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Application Area: industries of wood, slag, sand, construction materials, metallurgy, chemical engineering, coal, minerals, etc.
Applied Materials: sawdust, wood chips, wood shavings, clay, limestone, ardealite, dry-mixed mortar, grain slag, coal slime, etc.
Feeding Granularity: 120-1500mm
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Feed Opening:150×250-1600×2100mm
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Rotation Speed:0.1–5 r/min
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Feeding Granularity: 120-1500mm
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Capacity:10-280TPH
Configuration:Jaw crusher, ball mill, classifier, magnetic separator, concentrator and dryer.
Application:Wet and dry type magnetic separation for materials smaller than 3mm such as magnetite, pyrrhotite, roasted ore and titanic iron ore.
Capacity:0.18-7 (m ³/min)
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Applied Materials:Iron ore, copper ore, gold ore, river gravel, limestone, granite, basalt, diabase, andesite, etc.
Configuration:Jaw crusher, grinding mill, bucket elevator, magnetic vibrating feeder, transmission gear, main engine.
Applied Materials:Feldspar, calcite, talc, barite, fluorite, rare earth, marble, ceramics, bauxite, manganese, phosphate rock, etc.
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Length:6-8.5m
Processing Capacity:20-99TPH
Application area:Slag industry, sandstone industry, etc.
Feeding Size:50-100mm
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Applied Materials:Coal, limestone, granite, cobble, dolomite, bluestone, iron ore, coal gangue, coal, activated carbon, quartz, basalt, etc.
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