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Published: 12/12/2016
KS4 | Chemistry
3 pages

Metal extraction – bioleaching and phytomining

The resource is suitable to use for GCSE Chemistry (AQA 'Using resources' and OCR 'Chemicals of the natural environment' units)

The first task is a sorting activity - in which students sort statements related to bioleaching and phytomining.

Also included is an information sheet of the advantages and disadvantages of each method of metal extraction with teaching ideas.

Sample content

Bioleaching - advantages
  • Simpler process than smelting which requires fewer expert staff to operate, reducing costs.
  • Produces less sulfur dioxide emissions than smelting.
Phytomining - advantages
  • Decontaminates polluted ground.
  • Carbon dioxide emissions are lower than for smelting.
   

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