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How is platinum extracted from its ore

Sep 19, 2014· How is platinum extracted from its ore 1. How is platinum extracted from its Ore? An ore is a naturally occurring mineral from which a pure metal can be extracted. For Platinum, the two chief minerals are sperrylite or platinum arsenide PtAs2 and co operate or platinum sulfide Pts.

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Sulfur The Environmental Literacy Council

Its name means ?mineral of fire? owing to its tendency to spark when struck. It has a brassy color and is known as ?fools gold.?pounds are used in virtually every sector of the economy due to its abundance, relative ease of extraction, and widespread utility. Sulfur has a rich history and has been used since ancient times.

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purification of copper by electrolysis metal extraction

4a. The extraction of copper from copper ores and its purification by electrolysis: How is copper extracted? how is copper purified? What is the state of copper ore reserves? Copper can be extracted from copperrich ores by heating the ores in a furnace smelting and the copper can be purified by electrolysis. However, the supply of copperrich high grade ores is limited.

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role of coke in extraction of iron

Extraction of Iron from its Ore TutorVista. Amongst these the richest source of Iron are Hematite andite containing up to 70 of iron and are used for the extraction of iron. do Hematite ismercially for extraction of iron from its ore. Coke is used as a fuel which generates Carbon monoxide for the reduction of ore.

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How can metal mining impact the environment? American

Tailings produced from the milling of sulfide ores primarily copper, lead, and zinc ores may have concentrations of pyrite that are greater thanmon in waste rock. Also, because tailingsposed of small mineral particles the size of fine sand and smaller, they can react with air and water more readily than waste rocks.

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What is cinnabar, and how is metal extracted from it? Quora

It is much easier to get mercury out of cinnabar than it is to get metals out of most other ores. At a relatively low temperature, low enough so that I have done it in a test tube over a bunsen burner, a sample of cinnabar HgS begins to break do

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How is sulfur extracted from its ores? Quora

sometimes it just scoped up from the ground, around volcano's. Natural occurrence Sulfur vat from which railroad cars are loaded, Xinhai Sulphur Co., Hoskins Mound, Texas 1943pounds deposited by active volcanoes. A man carrying su

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Describe the extraction of silver from its sulphide ore by

In the cyanide process the following steps are envolved. i Concentration: The powdered cyanide ore is concentrated by froth flotation process. ii Treatment with sodium cyanide: The concentrate ore is treated with dilute solution of sodium cyanide. A current of air is constantly passed through the solution. After few hoursplex of sodium argento cyanide is formed.

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Sulfur Mining Processing: What to Know General Kinematics

Sulfur mining takes place in countries such as Poland, Russia, Ukraine, United States and Turkmenistan. Ijen, a quiet but active volcano in East Java, Indonesia contains a one kilometer wide crater lake a well known site of sulfur mining.Sulfur miners break off large chunks of sulfur from the crater floor and carry the chunks out in large baskets nearly 3 kilometers to town.

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Extraction of Aluminum, Copper, Zinc Iron Video with

Extraction of Copper. Chalcopyrite CuFeS 2 ismonest copper ore.Copper is mainly extracted from the sulphide ore Cu 2 S by the self reduction process. The ores are often low grade 0.5

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How Is Aluminum Extracted From Its Ore?

Aluminum is extracted from bauxite ore by way of the Bayer process. This requires a great deal of electricity consequently, a large amount of aluminum is processed in Iceland, which gets its electricity through geothermal energy. To extract aluminum, the bauxite ore is first crushed, then mixed with lime, hot water and soda ash.

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Extraction of sulphur Mastering Chemistry Help

Sulphur is extracted by the following methods 1. Frasch process In this process, sulphur is extracted from underground deposits by pumping super heated steam down the beds to melt the sulphur and then blown out the molten sulphurpressed air. 2. Extraction of sulphur from natural gas

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Sulfur

Sulfur is the tenthmon element by mass in the universe, and the fifthmon on Earth. Though sometimes found in pure, native form, sulfur on Earth usually occurs as sulfide and sulfate minerals.Being abundant in native form, sulfur was known in ancient times, being mentioned for its uses in ancient India, ancient Greece, China, and Egypt.

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Extraction of Tungsten from Scheelite Ore

The 4 mesh product from the crushing plant passes to the 50 ton capacity fine ore storage bin. Jigging for Tungsten in Scheelite. Crushed ore is fed at a controlled rate by means of the Adjustable Stroke Feeder to the Mineral Jig. Dilution water is added to provide a jig feed of 35 solids.

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Copper extraction

Copper extraction refers to the methods used to obtain copper from its ores. The conversion of copper consists of a series of physical and electrochemical processes. Methods have evolved and vary with country depending on the ore source, local environmental regulations, and other factors.

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gcse 2. Blast furnace extraction of iron recycling, steel

How do we extract iron from its mineral ores? How do we convert it into steel? The raw materials needed i.e. limestone, coke, air and iron ore and the chemistry of the blast furnace are fully described. Why convert iron into steel? How do you make steel? The manufacture of steel alloys is further described. Scroll down for revision notes on extraction procedures and theory which should prove

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Properties of Sulfur Introduction to Chemistry

Describe the properties of sulfur. Key Points. Sulfur forms polyatomic molecules with different chemical formulas. Its best known allotrope is octasulfur, S 8, which is a soft, yellow solid with faint odor. Due to changes in intermolecular interactions, it undergoes phase changes from α octasulfur to β polymorph to γ sulfur at high temperatures.

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The Extraction of Copper Chemistry LibreTexts

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.

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copper extraction and purification

This page looks at the extraction of copper from its ores, its purification by electrolysis, and some of its uses. Before you get too bogged down in the extraction of copper, make sure that you need it for whatever syllabus you are using. Extracting copper from its ores. The method used to extract copper from its ores depends on the nature of

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Sulfuric acid Essential Chemical Industry

The process for producing sulfuric acid has four stages: a extraction of sulfur b conversion of sulfur to sulfur dioxide c conversion of sulfur dioxide to sulfur trioxide d conversion of sulfur trioxide to sulfuric acid a Extraction of sulfur. Easily the most important source of sulfur is its recovery from natural gas and oil.

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Zinc processing

Zinc processing, the extraction of zinc from its ores and the preparation of zinc metal orpounds for use in various products. Zinc Zn is a metallic element of hexagonal close packed hcp crystal structure and a density of 7.13 grams per cubic centimetre. It has only moderate

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Extraction of Metals: Ores and Minerals Chemistry

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 desiredpound and the impurities and earthly substances called Gangue. The extraction of metals and its isolation occurs over a few major

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IRON AND STEEL chemguide

Extraction of iron and its conversion into steel. IRON AND STEEL. This page looks at the use of the Blast Furnace in the extraction of iron from iron ore, and the conversion of the raw iron from the furnace into various kinds of steel. Extracting iron from iron ore using a Blast Furnace.

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Frasch Process for Extraction of Sulphur

Mar 11, 2013· Frasch Process for Extraction of Sulphur Sulphur is extracted from underground deposits by pumping superheated steam 440 K down the

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Extraction Of Iron From Its Oxides

Feb 04, 2014· Extraction of iron from its oxides:In a Blast furnace Oxide ores of iron, after concentration through calcination/roasting are mixed with limestone and coke are fed from its

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Bioleaching Process Mining Fundamentals

Bioleaching, or microbial ore leaching, is a process used to extract metals from their ores using bacterialanisms. The bacteria feed on nutrients in the minerals, causing the metal to separate from its ore. Themonly extracted using this process include gold, silver, zinc, copper

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Properties of Sulfur Introduction to Chemistry

Describe the properties of sulfur. Key Points. Sulfur forms polyatomic molecules with different chemical formulas. Its best known allotrope is octasulfur, S 8, which is a soft, yellow solid with faint odor. Due to changes in intermolecular interactions, it undergoes phase changes from α octasulfur to β polymorph to γ sulfur at high temperatures.

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Copper Mining and Processing: Processing of Copper Ores

Although the processing costs are higher, ultimately more copper can be extracted. Since each mine site is unique in itsposition, concentration, and quantities, the most economical and profitable processing of ore must be determined by the mine planners.

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Caveman to Chemist Projects: Acids

He then goes on to describe the extraction of vitriol from its ore by solution and recrystalization in a manner similar to what we have used to isolate potash and lime. The refined vitriol is then heated in a furnace and the vapor given off is condensed: FeSO 4 H 2 O 7 s

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Describe the extraction of Mercury metal from its ore

Nov 28, 2018· Process of extraction of Mercury Hg from its sulphide ore Cinnabar HgS is as follows: Cinnabar ore is mined in its concentrated form. It is crushed in a cone crusher. Powdered form of the ore is heated at 300 degree Celcius. Roasting process is carried out,bustion reaction occurs in the presence of oxygen.

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Copper Mining and Extraction: Sulfide Ores

Copper can be extracted from its ore by: Underground: sinking a vertical shaft into the Earth to an appropriate depth and driving horizontal tunnels into the ore. Open pit: 90 of ore is mined by this method. Ores near the surface can be quarried after removal of the surface layers. The ore is treated with dilute sulfuric acid.

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Sulfur Ore Article about Sulfur Ore by The Free Dictionary

Sulfur Ore any of the natural mineral formations containing native sulfur in concentrations that make extraction technically feasible and economically profitable. Sulfur ores are classified according toposition of the enclosing rock and include limestone calcite more than 90 percent of world production, calcitic dolomite, clay, gypsum, opalite

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class 10 science chemistry extraction of metals

Ores: The minerals from which a metal can be profitably extracted are called ores. Metals found at the bottom of reactivity series are least reactive and they are often found in nature in free state such as gold, silver, copper, etc. Copper and silver are also found in the form of sulphide and oxide ores.

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iGCSE / GCSE Chemistry: Extraction of iron 10.1

Oct 23, 2015· iGCSE / GCSE Chemistry: Extraction of Zinc 10.1 Duration: 10.3.2 Describe the essential reactions in the extraction of iron in the blast Extraction Of Iron From Its Oxides

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The Extraction of Iron Chemistry LibreTexts

Extracting iron from the ore. Think about: Loss of landscape due to the size of the chemical plant needed. Noise. Atmospheric pollution from the various stages of extraction. For example: carbon dioxide greenhouse effect carbon monoxide poisonous sulfur dioxide from the sulfur content of the ores poisonous, acid rain.

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Sulfur

Sulfur is the tenthmon element by mass in the universe, and the fifthmon on Earth. Though sometimes found in pure, native form, sulfur on Earth usually occurs as sulfide and sulfate minerals.Being abundant in native form, sulfur was known in ancient times, being mentioned for its uses in ancient India, ancient Greece, China, and Egypt.

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GCSE CHEMISTRY Extraction of Metals What is a Metal

for economic extraction is called a metal ore. Economic extraction means that the cost of getting the metal out of the ore is sufficiently less than the amount of money made by selling the metal. Themon metal ores are oxides and sulfides. Sulfides are the oldest ores, formed in the Earth's history when there was a lot of sulfur from

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Bioleaching Process Mining Fundamentals

Bioleaching, or microbial ore leaching, is a process used to extract metals from their ores using bacterialanisms. The bacteria feed on nutrients in the minerals, causing the metal to separate from its ore. Themonly extracted using this process include gold, silver, zinc, copper

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Extraction of Aluminum, Copper, Zinc Iron Video with

Extraction of Copper. Chalcopyrite CuFeS 2 ismonest copper ore.Copper is mainly extracted from the sulphide ore Cu 2 S by the self reduction process. The ores are often low grade 0.5

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How is platinum extracted from its ore

Sep 19, 2014· How is platinum extracted from its ore 1. How is platinum extracted from its Ore? An ore is a naturally occurring mineral from which a pure metal can be extracted. For Platinum, the two chief minerals are sperrylite or platinum arsenide PtAs2 and co operate or platinum sulfide Pts.

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extraction of sulphur Frash Method extraction of sulphur

Superheated steam at 170 o C under 16 atmp is pumped down the outer most pipe .Since melting point of sulphur is 113 o C , it is melted and collects at the bottom.pressed air is blown down the inner most pipe to produce foam of molten sulphur .

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Sulfur The Environmental Literacy Council

Its name means ?mineral of fire? owing to its tendency to spark when struck. It has a brassy color and is known as ?fools gold.?pounds are used in virtually every sector of the economy due to its abundance, relative ease of extraction, and widespread utility. Sulfur has a rich history and has been used since ancient times.

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THE EXTRACTION OF METALS AN INTRODUCTION

THE EXTRACTION OF METALS AN INTRODUCTION. This page looks at the various factors which influence the choice of method for extracting metals from their ores, including reduction by carbon, reduction by a reactive metal like sodium or magnesium, and by electrolysis.

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Metal Extraction Flashcards Quizlet

aluminium is extracted from its bauxite ore, which is largely aluminium oxide, by electrolysis. The oxide is dissolved in molten cryolite, Na3AlF6, to form a solution that has a lower melting point than pure aluminium oxide this reduces the energy required, increases conductivity and therefore reduces cost.

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Extraction of Iron Metallurgy Blast Furnace and Reactions

It is in the blast furnace that extraction of iron occurs. The extraction of iron from its ore is a long and subdued process, that helps in separating theponents from the waste materials such as slag. What happens in the Blast Furnace? The purpose of a Blast Furnace is to reduce the concentrated ore chemically to its liquid metal state.

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Sulfur Ore Article about Sulfur Ore by The Free Dictionary

Sulfur Ore any of the natural mineral formations containing native sulfur in concentrations that make extraction technically feasible and economically profitable. Sulfur ores are classified according toposition of the enclosing rock and include limestone calcite more than 90 percent of world production, calcitic dolomite, clay, gypsum, opalite

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Roasting metallurgy

Roasting the sulfide ore, untilplete removal of the sulfur from the ore, results in a dead roast. Volatilizing roasting. Volatilizing roasting, involves careful oxidation at elevated temperatures of the ores, to eliminate impurity elements in the form of their volatile oxides.

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How Are Metals Extracted From Their Ores?

How Are Metals Extracted From Their Ores? Metal extraction from ores occurs in many different ways involving physical, chemical and electrical means. Even ores of the same metal sometimes require different methods of separation depending on the concentration of the metal and itsposition within the ore.

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IGCSE Chemistry: extraction and uses of metals Flashcards

Start studying IGCSE Chemistry: extraction and uses of metals. Learn vocabulary, terms, and more with flashcards, games, and other study tools. describe and explain the extraction of aluminium from purified aluminium oxide by electrolysis 1. fact about the reaction involving the extraction of iron from its ore.

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Extraction of Metals: Ores and Minerals Chemistry

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 desiredpound and the impurities and earthly substances called Gangue. The extraction of metals and its isolation occurs over a few major

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EXTRACTING METALS FROM SULFIDE ORES Electrochemical

EXTRACTING METALS FROM SULFIDE ORES 2004 revised: October, 2010 Many important metals are present inbined with sulfur as metal sulfides these include cadmium, cobalt, copper, lead, molybdenum, nickel, silver, and zinc. In addition, gold and platinum group metals are associated with sulfidic base metal ores. The extraction of

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EP0192334A1 Extraction of tin from its ores Google Patents

A process for the direct recovery of tin values,ano hydrocarbylpounds, from reduced but unrefined tin ores and ore slags is described, wherein the ore or slag is reacted directly with a hydrocarbyl halide to formano hydrocarbylpound which can then easily be separated from the tin depleted ore or slag residue.

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