extracting metals Flashcards
what are the forms of extracting metals
electroysis or displacement
name 2 ways you can extract copper ions and how
phytomining-Plants absorb copper ions into their roots. gurn, then obtain copper from the ash.
bio leaching-Bacterial produce LEACHATE solutions that contain copper ions That can be extracted.
what are the advantages and disadvantages of phtomining
reduces the need to obtain new ore by mining/conserves limited supplies of more valuable ores with higher metal content.
take longer then classic methods
what are the advantages and disadvantages of bioleaching
it does not need high temperatures/can stabilize sulfate toxins from the mine without causing harm to the environment
produce toxic substances including sulfuric acid which damages the environment