The
research
presented
herein
explores
the
development
of
a
novel
iron-carbon
composite,
designed
specifically
for
improved
treatment
high-concentration
antibiotic
wastewater.
Employing
nitrogen-shielded
thermal
calcination
approach,
investigation
utilizes
blend
reductive
iron
powder,
activated
carbon,
bentonite,
copper
manganese
dioxide,
and
ferric
oxide
to
formulate
an
efficient
composite.
oxygen
exclusion
process
in
particles
results
distinctive
electrochemical
cells
formation,
markedly
enhancing
wastewater
degradation
efficiency.
Iron-carbon
micro-electrolysis
not
only
boosts
biochemical
degradability
concentrated
but
also
mitigates
acute
biological
toxicity.
In
response
increased
Fe2+
levels
found
wastewater,
this
incorporates
Fenton
oxidation
advanced
byproducts.
Through
synergistic
application
oxidation,
accomplishes
significant
decrease
initial
COD
reducing
them
from
90000
mg/L
about
30000
mg/L,
thus
achieving
impressive
removal
efficiency
66.9%.
This
integrated
methodology
effectively
reduces
pollutant
load,
recycling
additionally
contributes
reduction
both
volume
cost
associated
with
solid
waste
treatment.
underscores
considerable
potential
composite
material
efficiently
managing
thereby
making
notable
contribution
field
environmental
science.
Energy Conversion and Management X,
Journal Year:
2024,
Volume and Issue:
23, P. 100680 - 100680
Published: July 1, 2024
The
microbial
fuel
cell
(MFC),
acknowledged
as
an
innovative
bioenergy
conversion
system,
has
attracted
considerable
attention
in
research.
An
MFC
is
a
device
that
utilizes
microorganisms
to
directly
convert
chemical
energy
present
organic
compounds
into
electrical
energy.
This
bioelectrochemical
hybrid
system
functions
not
only
power
generation
tool
but
also
effective
instrument
for
sewage
treatment,
incorporating
nutrient
recovery.
Its
noteworthy
advantages
encompass
conservation,
sludge
reduction,
and
efficient
conversion.
paper
offers
comprehensive
overview
of
recent
cases
involve
the
synergistic
treatment
traditional
technologies.
integration
with
conventional
processes
demonstrated
greater
efficiency
compared
standalone
or
methods.
coupled
shows
significant
promise
converting
waste
clean
energy,
optimizing
resource
utilization,
addressing
crisis.
Significantly,
anaerobic
fermentation
owing
its
distinctive
advantages,
positioning
it
potential
future
development
trend.
concludes
by
analyzing
multifaceted
benefits
this
coupling
providing
valuable
insights
research
on
integrating
other
SOIL,
Journal Year:
2025,
Volume and Issue:
11(1), P. 323 - 338
Published: April 28, 2025
Abstract.
The
microbial
fuel
cell
(MFC)
is
an
efficient
in
situ
approach
to
combat
pollutants
and
generate
electricity.
This
study
constructed
a
soil
MFC
(SMFC)
reduce
Cr(VI)
paddy
investigate
its
influence
on
community
resistance
characteristics.
Ferroferric
oxide
(Fe3O4)
nanoparticles,
as
the
cathodic
catalyst,
effectively
boosted
power
generation
(0.97
V,
102.00
mW
m−2),
with
porous
structure
reducibility
also
contributing
chromium
(Cr)
reduction
immobilization.
After
30
d,
93.67
%
of
was
eliminated.
bioavailable
Cr
decreased
by
97.44
%,
while
residual
form
increased
88.89
%.
SMFC
operations
greatly
changed
enzymatic
activity
structure,
exoelectrogens
like
Desulfotomaculum
(3.32
anode)
Cr(VI)-reducing
bacteria
Hydrogenophaga
(2.07
cathode)
more
than
1000
folds
soil.
In
particular,
significantly
enhanced
heavy-metal
gene
(HRG)
abundance.
Among
them,
chrA,
chrB,
chrR
99.54
%–3314.34
anodes,
probably
attributable
enrichment
potential
tolerators
Acinetobacter,
Limnohabitans,
Desulfotomaculum.
These
key
taxa
were
positively
correlated
HRGs
but
negatively
pH,
electrical
conductivity
(EC),
Cr(VI),
which
could
have
driven
reduction.
provided
novel
evidence
for
bio-electrochemical
system
applications
contaminated
soil,
be
environmental
remediation
detoxification.
