Alternative Methods of Extracting Metals (OCR GCSE Chemistry A (Gateway Science Suite)): Flashcards
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Traditional copper extraction source
Traditional copper extraction source
High-grade ores
Two biological copper extraction methods
Two biological copper extraction methods
Phytomining and bioleaching
Why copper used in electronics
Why copper used in electronics
Excellent electrical conductivity
Two copper alloys mentioned
Two copper alloys mentioned
Brass and bronze
What type of resource is copper?
What type of resource is copper?
Finite natural resource
Phytomining definition
Phytomining definition
Plants extract copper from low-grade ores
What plants absorb in phytomining
What plants absorb in phytomining
Minerals including copper compounds from soil
Ash from burnt plants in phytomining contains
Ash from burnt plants in phytomining contains
Higher concentration of copper compounds
Phytomining environmental advantage
Phytomining environmental advantage
Less harmful than traditional mining
Phytomining disadvantage
Phytomining disadvantage
Slow process
Bioleaching definition
Bioleaching definition
Bacteria extract copper ions from low-grade ores
What bacteria produce in bioleaching
What bacteria produce in bioleaching
Leachate rich in copper ions
Bioleaching environmental advantage
Bioleaching environmental advantage
No carbon emissions, green process
Bioleaching disadvantage
Bioleaching disadvantage
Time-intensive, slow process
Where Cu ions attracted in electrolysis
Where Cu ions attracted in electrolysis
Negative electrode