what are the main stages of extracting copper

copper extraction and purification - main menu

extracting copper from other ores. copper can be extracted from non-sulphide ores by a different process involving three separate stages: reaction of the ore (over quite a long time and on a huge scale) with a dilute acid such as dilute sulphuric acid to produce a very dilute copper(ii) sulphate solution.

copper mining and extraction sulfide ores

stage 3: roasting at this stage of the process the chemical reactions begin. they convert the copper minerals into copper metal. we can illustrate the types of process using the example of chalcopyrite – cufes 2.from the formula it is clear that iron and sulfur have to be removed in order to produce copper.

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copper mining. the main stages. - schoolscience.co.uk

copper mines are only set up where there is more than 5kg of copper per tonne of rock (0.5% by mass). ideally the figure should be closer to 2%. the flow chart shows you how copper is extracted from its ore and converted into pure metal. roll over each stage to get a summary and click to find out more.