Biological treatment of acid mine drainage: An eco-sustainable strategy for removal of toxic pollutants
Journal of Hazardous Materials Advances,
Год журнала:
2025,
Номер
unknown, С. 100659 - 100659
Опубликована: Фев. 1, 2025
Язык: Английский
Enhanced metals precipitation in acid mine drainage by thermal activation magnesite-pine shavings dispersed alkaline substrate
Environmental Technology,
Год журнала:
2025,
Номер
unknown, С. 1 - 12
Опубликована: Янв. 27, 2025
The
acid
mine
drainage
(AMD)
is
characterized
by
its
highly
acidic
nature
and
elevated
concentrations
of
metal
ions,
thereby
exerting
significant
impacts
on
both
human
health
the
environment.
This
study
employed
a
dispersed
alkaline
substrate
(DAS)
consisting
thermal
activation
magnesite
pine
shavings
for
treatment
AMD.
investigation
focused
determining
optimal
conditions
magnesite,
evaluating
effectiveness
DAS
in
regulating
acidity
removing
ions
from
AMD,
identifying
critical
factors
influencing
efficiency,
conducting
toxicity
assessment
effluent.
Results
indicated
that
calcination
at
700
°C
60
min
was
determined
to
be
condition
magnesite.
Under
operating
(flow
rate:
0.4
mL/min,
filling
mass
ratio:
=
1:1),
system
achieved
complete
removal
(100%)
within
396
h
while
maintaining
pH
above
7.0.
Moreover,
it
significantly
minimized
costs
sludge
generation.
Toxicity
experiments
conducted
using
Chlorella
proteolytica
demonstrated
reduction
biotoxicity
after
with
this
system.
These
findings
suggest
based
holds
promise
as
an
effective
solution
treating
Язык: Английский
Coal Fly Ash and Acid Mine Drainage-Based Fe-BEA Catalysts for the Friedel–Crafts Alkylation of Benzene
Catalysts,
Год журнала:
2025,
Номер
15(2), С. 155 - 155
Опубликована: Фев. 7, 2025
Coal
fly
ash
and
acid
mine
drainage
are
significant
environmental
issues
in
South
Africa,
causing
storage
constraints
impacting
water
quality.
This
study
explores
the
use
of
coal
preparing
zeolite
HBEA-supported
Fe
catalysts.
The
Na-BEA
parent
catalysts
were
synthesised
hydrothermally
using
as
a
feedstock.
was
loaded
upon
H-BEA
form
liquid-phase
ion
exchange
or
wet
impregnation,
Fe-rich
metal
precursor.
ion-exchanged
Fe-BEA
exhibited
excellent
activity,
with
highest
selectivity
achieved
over
25
AHW
after
0.5
h
on
stream.
also
found
that
when
impregnation
used
to
load
onto
support,
other
metals
present
AMD
affected
overall
Mn,
Ca,
Mg,
Na
decreasing
conversion
selectivity,
while
Ni
had
promoting
effect.
demonstrates
green
solid
high
catalytic
activity
can
be
prepared
two
waste
materials,
drainage.
To
best
our
knowledge,
we
reporting
for
first
time
precursor
catalyst
preparation.
Язык: Английский
Contaminant leaching from pervious concrete pavements: considerations and impact on the environment
Elsevier eBooks,
Год журнала:
2025,
Номер
unknown, С. 221 - 249
Опубликована: Янв. 1, 2025
Язык: Английский
Insights into catalytic co-pyrolysis of spent coffee grounds and high density polyethylene (HDPE) using acid mine drainage (AMD) treated sludge based catalyst: Analysis of kinetics, mechanism and thermodynamic properties
Deepak Bhushan,
Sanjeevani Hooda,
Susmit Chitransh
и другие.
Sustainable Chemistry for Climate Action,
Год журнала:
2024,
Номер
5, С. 100051 - 100051
Опубликована: Сен. 16, 2024
Язык: Английский
Evaluation of Precipitate Generation Due to Neutralization of Lime in Acid Mine Drainage from Daedeok Coal Mine
Journal of the Korean Society of Mineral and Energy Resources Engineers,
Год журнала:
2024,
Номер
61(4), С. 275 - 283
Опубликована: Авг. 31, 2024
Язык: Английский
Field Experimental Study of Sulfuric Acid Extraction from Acid Mine Drainage
Mine Water and the Environment,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 15, 2024
Язык: Английский
Sustainable acid mine drainage treatment: A comprehensive review of passive, combined, and emerging technologies
Environmental Engineering Research,
Год журнала:
2024,
Номер
30(4), С. 240592 - 0
Опубликована: Дек. 26, 2024
Acid
mine
drainage
(AMD)
has
always
been
a
global
environmental
issue;
particularly
in
countries
with
intensive
mining
activities
due
to
the
severity
of
its
ecological,
human
health,
and
socio-economic
effects.
AMD
is
generated
by
both
active
abandoned
mines
(particularly
gold
coal)
advanced
industries.
As
such,
research
are
still
ongoing
prevent
formation.
On
other
hand,
already
mostly
treated
using
passive
approaches,
first
being
driven
chemical
energy
inputs
while
second
self-renewable
approach
but
efficient
be
used
as
polishing
step.
The
drawbacks
associated
treatment
methods
have
motivated
design
exploration
hybrid,
integrated,
emerging
technologies.
Hybrid
integrated
systems
promising
cleaner
technologies
since
they
can
effectively
treat
required
standards
recovering
minerals
reclaiming
water
thereby
ensuring
zero
liquid
discharge
(ZLD).
Emerging
cost-effective,
however,
slow
not
eco-friendly
case
nanoremediation.
Herein,
body
knowledge
on
comprehensively
reviewed
discussed,
focus
their
sustainability
life
cycle
assessment
methodology
(LCAM).
Язык: Английский