IOP Conference Series Earth and Environmental Science,
Год журнала:
2024,
Номер
1422(1), С. 012030 - 012030
Опубликована: Дек. 1, 2024
Abstract
This
research
evaluated
the
effectiveness
of
swampy
forest
system,
a
unique
and
cost-effective
approach
developed
based
on
conventional
method
for
acid
mine
drainage
treatment
at
Jorong
coal
in
South
Kalimantan,
Indonesia.
The
uses
lime
neutralization
is
often
considered
expensive.
Acid
drainage,
with
its
high
acidity
heavy
metal
contents,
must
be
mitigated
to
achieve
threshold
values
before
being
released
into
public
waters.
aimed
determine
whether
system
pilot
project,
implemented
2019,
had
sustainable
proper
operations.
As
mandated
by
applicable
regulations,
quarterly
observations
seven
parameters
after
were
conducted
between
2019
2024.
revealed
that
could
change
parameter
value
within
five
years
operations,
demonstrating
exceptional
long-term
sustainability.
Conclusively,
this
viable
natural
application
low
cost
closure
stage
abandoned
mine.
Applied Sciences,
Год журнала:
2025,
Номер
15(3), С. 1456 - 1456
Опубликована: Янв. 31, 2025
The
rapid
technological
advancements
and
the
shift
towards
clean
energy
have
significantly
increased
demand
for
metals,
leading
to
an
increasing
metal
pollution
problem.
This
review
explores
recent
advances
in
bioelectrochemical
systems
(BES)
recovery
from
waste,
especially
Acid
Mine
Drainage
(AMD)
Electrical,
Electronic
Wastes
(EEW)
waste
smelters,
highlighting
their
potential
as
a
sustainable
economically
viable
alternative
traditional
methods.
study
addresses
applications
limitations
of
current
BES
techniques.
BES,
including
microbial
fuel
cells
(MFCs),
electrolytic
(MECs),
Microbial
Desalination
Cells
(MDCs),
offer
promising
solutions
by
combining
processes
with
electrochemical
reactions
recover
valuable
metals
while
reducing
requirements.
categorizes
research
into
two
main
areas:
pure
coupled
other
technologies.
Key
findings
include
efficiency
recovering
like
copper,
chromium,
vanadium,
iron,
zinc,
nickel,
lead,
silver,
gold
integrating
enhance
performance.
Despite
significant
progress
application
recovery,
challenges
such
high
costs
slow
kinetics
remain,
necessitating
further
optimize
materials,
configurations,
operational
conditions.
work
also
includes
economic
assessment
guidelines
development
upscale.
underscores
critical
role
advancing
mitigating
environmental
impact
pollution.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Апрель 28, 2025
This
study
investigates
the
synthesis
and
performance
of
a
biochar-based
composite,
integrating
montmorillonite
(MMT)
ZnAl
layered
double
hydroxide
(LDH),
for
removal
Fe
Mn
from
acid
mine
drainage.
The
biochar_MMT_ZnAl
LDH
synthesized
solid
waste
materials,
was
characterized
using
BET,
XRD,
FTIR,
TGA,
SEM-EDS
analyses.
material
demonstrated
surface
area
117.54
m2/g
pore
volume
0.21
cm3/g,
significantly
surpassing
non-composite
biochar
with
14.81
m2/g.
batch
sorption
experiment
showed
rapid
adsorption
kinetics,
achieving
99%
within
7
min
at
0.5
g
adsorbent
dosage,
reducing
concentration
100
mg/L
to
0.07
mg/L.
For
Fe,
an
87%
reduction
achieved
after
400
plain
biochar,
while
superior
final
below
Adsorption
isotherm
analysis
indicated
that
followed
Dubinin-Radushkevich
model,
composites
adhered
Redlich-Peterson
model.
Kinetic
studies
revealed
strong
fit
Pseudo-Second-Order
model
(R2
=
1
biochar_MMT),
suggesting
chemisorption
as
dominant
mechanism.
Thermodynamic
confirmed
spontaneity
endothermic
nature
process,
ΔG
values
ranging
-
18,758
92,932
J/mol
removal.
findings
highlight
potential
in
developing
cost-effective
environmentally
sustainable
solutions
drainage
treatment.
Sustainability,
Год журнала:
2023,
Номер
15(20), С. 14869 - 14869
Опубликована: Окт. 13, 2023
Coal-mining
activities
have
well-documented
adverse
effects
on
both
the
environment
and
human
health.
Acid
mine
drainage,
a
pivotal
concern,
necessitates
effective
interventions.
This
study
introduces
novel
solution:
modified
constructed
wetlands
crafted
exclusively
from
waste
materials,
ensuring
cost-effectiveness.
The
innovation
yielded
exceptional
results,
achieving
noteworthy
reduction
of
up
to
99%
in
heavy
metal
concentrations,
alongside
swift
pH
normalization.
What
sets
this
apart
is
its
potential
beyond
laboratory
setting;
utilization
materials
low-cost
methodologies
underscores
scalability
practicality.
solution
addresses
immediate
challenges
showcases
promise
for
real-world
implementation.
Moreover,
results
extend
insights,
which
offer
comprehensive
examination
method’s
reusability
prospects,
illuminating
sustained
impacts;
recommendations
future
action
enhance
practical
significance.
marks
significant
advancement
tackling
acid
drainage.
wetlands,
driven
by
cost-effective
embody
scalable
sustainable
potential.
With
holistic
outlook
strategic
roadmap,
holds
key
transforming
drainage
challenges,
particularly
rural
developing
regions.
Heliyon,
Год журнала:
2023,
Номер
9(12), С. e22577 - e22577
Опубликована: Ноя. 20, 2023
The
present
study
investigated
the
utilization
of
blood
clam
shells
as
a
potential
substitute
for
conventional
media,
well
influence
acclimation
time
on
efficacy
an
intermittent
slow
sand
filter
(ISSF)
in
treatment
real
domestic
wastewater.
ISSF
was
operated
with
16
h
and
8
off,
focusing
parameters
turbidity,
ammonia,
phosphate.
Two
media
combinations
(only
[CC]
+
[SC])
were
under
two
different
acclimatization
periods
(14
28
d).
Results
showed
that
SC
medium
exhibited
significantly
higher
removal
turbidity
(p
<
0.05)
compared
to
CC
(45.99
±
26.84
%
vs.
3.79
9.35
%),
while
slightly
>
ammonia
(23.12
20.2
16.77
16.8
%)
phosphate
(18.03
11.96
vs
13.48
12
%).
Comparing
periods,
d
period
overall
performances
than
14
d.
Further
optimizations
need
be
conducted
obtain
effluent
value
below
national
permissible
limit,
since
are
still
higher.
SEM
analysis
confirmed
formation
biofilm
both
mediums
after
acclimatization;
further
schmutzdecke
carried
out
enrich
results.
