cost in the extraction of aluminium from its ore

Aluminium extraction cost? | Yahoo Answers

May 18, 2011 · How much does it cost to extract aluminium from its raw ore? Also how much does extracted aluminium sell for? I cannot find this anywhere on the internet.

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aluminium (US: aluminum) - chemguide

This page starts by looking at the extraction of aluminium from its ore, bauxite, including some economic and environmental issues. It finishes by looking at some uses of aluminium. Extracting aluminium from bauxite. Introduction. Aluminium is too high in the electrochemical series (reactivity series) to extract it from its ore using carbon reduction.

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How Is Aluminum Extracted From Its Ore? | Reference.com

Aluminum is extracted from bauxite ore by way of the Bayer process. This requires a great deal of electricity; ... How Is Aluminum Extracted From Its Ore? A:

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BBC - GCSE Bitesize: Extraction of aluminium

Aluminium ore is called bauxite. The bauxite is purified to yield a white powder, aluminium oxide, from which aluminium can be extracted. The extraction is done by electrolysis.

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Bayer process - Wikipedia

The extraction process converts the aluminium oxide in the ore to soluble sodium aluminate, 2NaAlO 2, according to the chemical equation: Al 2 O 3 + 2 NaOH → 2 NaAlO 2 + H 2 O This treatment also dissolves silica, but the other components of bauxite do not dissolve.

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Aluminium extraction cost? | Yahoo Answers

May 18, 2011 · IF you are in the US, the costs of extracting aluminium or any metal is 70% to 95% of the current market value. Aluminium is selling at about $1500/tonne, then the cost of extracting it can be around $1200/tonne.

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How Is Aluminium Extracted From Bauxite Ore ...

Bayer Process The second step is known as the Bayer process, which involves a combination of a chemical extraction and a mechanical separation to extract alumina (the base from of aluminium) from the bauxite. In the first step of the process, the alumina is released from the bauxite when it is crushed and dissolved in sodium hydroxide.

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extraction of metals - introduction - chemguide

Aluminium, for example, is the most common metal in the Earth's crust, occurring in all sorts of minerals. However, it isn't economically worthwhile to extract it from most of these minerals. Instead, the usual ore of aluminium is bauxite - which contains from 50 - 70% of aluminium oxide.

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How much does is cost to extract aluminium from the ground ...

Oct 15, 2008 · How much does is cost to extract aluminium from the ground? ... Cost Of Extracting Aluminium. ... extraction/aluminium ...

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How much does it cost to extract aluminum - qa.answers.com

Non-impactedwisdom tooth extraction may cost anywhere from $150 to $350, whilepartially or completely impacted wisdom teeth may cost between $350and $650. How much does tooth extraction cost? In the United States, simple extractions may cost between $75.00and $150 each.

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Why does it cost so much to extract aluminum from its ore?

Why does it cost so much to extract aluminum from its ore? ... aluminium oxide,from witch aluminium can be extracted. The extraction is done byelectrolysi ...

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How Is Aluminum Extracted From Its Ore? | Reference.com

Aluminum is extracted from bauxite ore by way of the Bayer process. This requires a great deal of electricity; ... How Is Aluminum Extracted From Its Ore? A:

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Compare the cost and expenditure involved in the ...

Compared with the Extraction of aluminium from some of its ores, the recycling of aluminium is much more cost effective and energy efficient. Method of Acquisition (Of Aluminium) Energy required per tonne (MJ) Extraction 200,000.00 Recycling 800.00 (MJ=MegaJoule, 10^6) Extraction: Cost:-The process of extraction is Opencast mining, which involves the removal of all topsoil and vegetation and soil beneath.

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cost e penditure in extracting aluminium from its ore

cost e penditure in extracting aluminium from its ore. Environmental Impact Economics Metal Extraction ... cost of mining copper and aluminum;

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Chem. Assesment Task - Bored of Studies

Jun 13, 2004 · Chem. Assesment Task ... Analyse information to compare the cost and energy expenditure involved in the extraction of aluminium from its ore and the recycling of ...

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metalsassignment - Aluminium-Recycling vs Production

This reduces mining costs, extraction costs and production costs for processing aluminium from an ore. As well as saving costs and resources in providing oil for extraction, the recycling method also reduces the amount of ore which needs to be produced, saving metal resources and also reducing the need for open-cut mines, which can destroy landscapes.

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Extraction of Aluminium from its Ore | TutorVista

Its use increased in 1886, when Charles independently found a way to obtain the metal by electrolysis. Aluminium is most abundant metal on the earth's arust. The percentage of this metal in earth's crust is about 32% of total metals and 8.3% of total elements. Extraction of Aluminium: Major ore of aluminium is bauxite (Al 2 O 3.2H 2 O). It is an oxide of aluminium.

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comparison of costs of mining to recycling « BINQ Mining

Jun 18, 2013 · BINQ Mining > Mining News ... comparison of costs of mining to recycling. Posted at: ... in the extraction of aluminium from its ore and the recycling of ...

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Why does it cost so much to extract aluminum from its ore?

How much does iron ore cost? ... it's hard to refine except in its co … ncentrated ore ... aluminium oxide,from witch aluminium can be extracted. The extraction is ...

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Chapter 2. Production and Processing of Aluminum - …

7 Chapter 2. Production and Processing of Aluminum 2.1 Extraction of Aluminum The extraction of aluminum from its ore and subsequent processing into finished prod-

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Extraction of aluminium aluminum recycling sodium by ...

These revision notes on the electrolytic extraction of aluminium from bauxite ore should prove useful for the new AQA, Edexcel and OCR GCSE (9–1) chemistry science courses. Metal extraction index. 1. Introduction to Metal Extraction. 2. Extraction of Iron and Steel Making. 3. Extraction of Aluminium and Sodium (this page) 4.

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Aluminum processing | Britannica.com

Its compounds, however, are an important constituent of virtually all common rocks. It is found in clay, shale, slate, schist, granite, syenite, and anorthosite. The most important aluminum ore, an iron-containing rock consisting of about 52 percent aluminum oxide, was discovered in 1821 near Les Baux in southern France.

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Preliminary Assessment Task 1 | Metals | Copper

Analyse information to compare the cost and energy expenditure involved in the extraction of aluminium from its ore and the recycling of aluminium. Aluminium is the third most abundant metal in the Earth's crust, but is more expensive to extract it from its ore than iron.

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Mining and Refining – Energy Efficiency - World Aluminium

Globally, and despite declining ore quality, the alumina refining industry reduced the energy intensity of its operations by 9% between 2006 and 2010, while increasing production by 15%.

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bauxite extraction costs - mayukhportfolio.co.in

aluminium (US: aluminum) - Chemguide. This page starts by looking at the extraction of aluminium from its ore, bauxite, .... Energy and material costs in producing the cryolite, some of which gets lost...

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