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140. Metal Extraction and Recycling

Description

This Chemistry Factsheet will allow you to understand:
• How sulphide ores are treated and understand the associated environmental problems and the link to the Contact Process.
• Types of reaction involved in the extraction of metals.
• Use of solid C / gaseous CO to smelt only certain metals; be able to write the equations and state the conditions.
• Conditions, the energy involved and the equations at each electrode in extracting aluminium from purified bauxite.
• Conditions and equations for the extraction of titanium from rutile (TiO2).
• Conditions, equation and the risks involved in the extraction of tungsten from WO.
• Environmental aspects and the economics of recycling compared to extraction of metals.
• Environmental advantages of extracting copper by the use of scrap iron over smelting.

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.PDF (pdf) 96.987 KB

Date Published

January 2009

ISSN / ISBN

ISSN: 1351-5136

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140 Metal Extraction

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