Metal extracted
from
Bloleaching
Pollution
Waste from quarrying
Speed of process Very slow
Produces a solution of toxic
chemicals which may run off
into rivers
Phytom Ining
Contaminated
ground
Compare phytomining and bioleaching.
Use the information in the table.
Slow, made more
efficient using
quick-growing
plants
Takes a long time to stop the
process if river pollution occurs
Involves
combustion of
plants but
decontaminat
polluted ground