Alternative Methods of Extracting Metals (AQA GCSE Chemistry): Flashcards
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What is the traditional copper extraction source?
What is the traditional copper extraction source?
High-grade ores
Two biological copper extraction methods
Two biological copper extraction methods
Phytomining and bioleaching
Phytomining uses what to extract copper?
Phytomining uses what to extract copper?
Plants
Bioleaching uses what to extract copper?
Bioleaching uses what to extract copper?
Bacteria
In phytomining, what contains high copper concentration?
In phytomining, what contains high copper concentration?
Ash from burnt plants
Phytomining environmental advantages
Phytomining environmental advantages
Less harmful, reduces carbon emissions
Phytomining disadvantage
Phytomining disadvantage
Slow/time-consuming process
Solution from bacteria in bioleaching
Solution from bacteria in bioleaching
Leachate
Bioleaching environmental advantages
Bioleaching environmental advantages
No carbon emissions, less land clearance
Bioleaching disadvantage
Bioleaching disadvantage
Time-intensive/slow process
Copper extraction method using negative electrode
Copper extraction method using negative electrode
Electrolysis
Metal used to displace copper from compounds
Metal used to displace copper from compounds
Iron
Why iron displaces copper
Why iron displaces copper
Iron is more reactive than copper