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GCSE Chemistry · key term
A biological extraction method in which plants absorb metal compounds, after which the plants are harvested and burned to produce metal-containing ash.
Used by AQA
Specification 4.10.1.4 · Paper 2
Revise: Alternative Metal ExtractionPhytomining and bioleaching are biological methods that can recover copper compounds from low-grade material while avoiding much of this digging, movement and disposal of rock. They do not, however, produce copper metal immediately.
Do not claim that phytomining or bioleaching produces copper metal directly: each first produces copper compounds, which must be processed further.
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