Minerals,
Journal Year:
2023,
Volume and Issue:
13(9), P. 1192 - 1192
Published: Sept. 11, 2023
The
accumulation
of
mine
tailings
on
Earth,
generated
from
the
extraction,
processing,
and
utilization
mineral
resources,
is
a
serious
environmental
challenge.
importance
recovery
valuable
elements
rare-earth
elements,
together
with
economic
benefits
precious
base
metals,
strong
incentive
to
develop
sustainable
methods
recover
metals
tailings.
Currently,
researchers
are
attempting
improve
efficiency
using
bioleaching,
more
method
compared
traditional
methods.
In
this
work,
we
report
research
status
application
Acidithiobacillus
ferrooxidans
(At.
ferrooxidans)
anaerobic
reduction
in
disposal.
Recent
advances
characteristics
At.
process
technical
difficulties
further
described.
We
found
that
current
has
made
significant
progress
recovery.
This
great
significance
for
development
bioleaching
technologies
industrial
production
heavy
Finally,
based
perspectives
directions
review,
present
study
can
act
as
an
important
reference
academic
participants
involved
promising
field.
Journal of Environmental Management,
Journal Year:
2024,
Volume and Issue:
358, P. 120904 - 120904
Published: April 21, 2024
This
study
focused
on
the
economic
feasibility
of
two
potential
industrial-scale
bioleaching
technologies
for
metal
recovery
from
specific
metallurgical
by-products,
mainly
basic
oxygen
steelmaking
dust
(BOS-D)
and
goethite.
The
investigation
compared
scaling
technology
configurations,
including
an
aerated
bioreactor
stirred
across
different
scenarios.
Results
indicated
that
using
Acidithiobacillus
ferrooxidans
proved
financially
viable
copper
extraction
goethite,
particularly
when
5%
10%
pulp
densities
were
used
in
bioreactor,
density
was
bioreactor.
Notably,
a
net
present
value
(NPV)
$1,275,499k
internal
rate
return
(IRR)
65%
Cu
goethite
achieved
over
20-years
after
project
started
plant
with
capital
expenditure
(CAPEX)
$119,816,550
operational
(OPEX)
$5,896,580/year.
It
is
expected
will
start
to
make
profit
one
year
operation.
Aerated
appeared
more
reliable
alternative
as
consists
12
reactors
which
can
allow
better
management
operation
small
volume
multiple
reactors.
Despite
limitations,
this
techno-economic
assessment
emphasized
significance
selective
design,
underscored
major
expenses
associated
process.
