Molecules,
Journal Year:
2024,
Volume and Issue:
29(13), P. 3217 - 3217
Published: July 6, 2024
The
progressive
decline
of
the
coal
industry
necessitates
development
effective
treatment
solutions
for
acid
mine
drainage
(AMD),
which
is
characterized
by
high
acidity
and
elevated
concentrations
heavy
metals.
This
study
proposes
an
innovative
approach
leveraging
sulfate-reducing
bacteria
(SRB)
acclimated
to
contaminated
anaerobic
environments.
research
focused
on
elucidating
physiological
characteristics
optimal
growth
conditions
SRB,
particularly
in
relation
pH
level
temperature.
experimental
findings
reveal
that
SRB
exhibited
a
sulfate
removal
rate
88.86%
at
temperature
30
°C.
Additionally,
gel
particles
were
formulated
using
sodium
alginate
(SA)
carboxymethyl
cellulose
(CMC),
their
performance
was
assessed
under
specific
(pH
=
6,
C/S
1.5,
T
°C,
CMC
4.5%,
BSNa
0.4
mol/L,
cross-linking
time
9
h).
Under
these
conditions,
demonstrated
enhanced
efficiency
91.6%.
Thermal
analysis
via
differential
scanning
calorimetry
(DSC)
thermogravimetric
(TGA)
provided
further
insights
into
stability
properties
spheres.
underscore
potential
SRB-based
bioremediation
as
sustainable
efficient
method
AMD
treatment,
offering
novel
environmentally
friendly
solution
mitigating
adverse
effects
environmental
contamination.
Process Safety and Environmental Protection,
Journal Year:
2024,
Volume and Issue:
190, P. 921 - 929
Published: July 22, 2024
Constructed
wetlands
(CWs)
are
environmentally
friendly
and
cost-effective
methods
for
wastewater
treatment.
Recently,
there
have
been
innumerable
efforts
to
integrate
CWs
with
microbial
fuel
cells
(MFCs)
enhance
the
removal
of
pollutants
while
generating
electricity.
Wetland-Microbial
Fuel
Cells
(CW-MFCs)
engineered
systems
incorporating
physical,
chemical,
biological
processes
However,
application
CW-MFCs
remove
multiple
heavy
metals
from
is
still
an
active
area
research.
The
present
study
explores
first
time
utilization
different
types
CW-MFCs,
including
CW-MFC-planted,
CW-MFC-unplanted,
CW-sand-filter
simultaneous
concentrations
organic
such
as
zinc
(Zn),
cadmium
(Cd),
copper
(Cu),
lead
(Pb)
employed
nine
CW-MFC
microcosms,
some
which
were
planted
Phragmites
australis.
initial
Cu,
Pb,
Zn,
Cd
maintained
at
2,
10,
30
mg/l,
respectively,
COD
120,
500,
1000
mg/l.
Remarkably,
maximum
rates
achieved
98.83
%,
95.74
92.91
90.75
%
Cd,
rate
was
97.96
10
mg/l
500
in
CW-MFC-planted.
attained
highest
voltage,
current,
power
densities
reached
687
mV,
4000
mA/m3,
785.86
mW/m3,
This
demonstrates
significant
impact
CW-MFC-planted
on
treatment
electricity
generation.
