Microbial
electrochemical
technologies
(METs)
are
a
promising
approach
in
the
context
of
global
warming
and
circular
economy.
The
achievement
so-much-desired
carbon
neutrality
can
be
reality
by
coupling
capture
METs
with
other
or
not
bioprocesses.
Wastewaters
nowadays
considered
potential
source
energy
(electricity,
hydrogen,
methane)
platform
molecules
(volatile
fatty
acids,
alcohols,
biopolymers,
etc.)
that
upgraded
such
as
microbial
fuel
cells
(MFCs),
electro-synthesis
(MES),
electrolysis
(MECs).
rely
on
use
whole
biocatalysts.
microorganisms
used
systems
called
electroactive
(EAMs)
have
outstanding
ability
to
perform
extracellular
electron
transfer
processes
for
metabolism.
EAM
electrodes
either
terminal
acceptors
(exoelectrogens)
sources
(electrotrophs).
In
this
chapter,
principles
MFC,
MES,
MEC
employed
wastewater
treatment
recovery
discussed.
Furthermore,
main
technical
bottlenecks
encountered
scalability,
process
yields,
interaction
limitations
between
addressed.
Lastly,
ongoing
approaches
perspectives
overcome
critical
issues
upscale
resource
Materials,
Год журнала:
2025,
Номер
18(7), С. 1524 - 1524
Опубликована: Март 28, 2025
The
rapid
industrialization
and
economic
growth
have
exacerbated
the
contamination
of
soils
with
both
heavy
metals
organic
pollutants.
These
persistent
contaminants
pose
substantial
threats
to
ecosystem
integrity
human
health
due
their
long-term
environmental
persistence
potential
for
bioaccumulation.
Biochar,
its
high
specific
surface
area,
well-developed
pore
structure,
abundant
functional
groups,
has
emerged
as
a
promising
material
remediating
contaminated
by
While
some
research
explored
role
biochar
in
soil
remediation,
several
aspects
remain
under
investigation.
Fully
harnessing
remediation
is
critical
importance.
This
review
provides
an
overview
preparation
methods
physicochemical
properties
biochar,
discusses
application
compounds
and/or
metals,
examines
mechanisms
underlying
interaction
Additionally,
it
summarizes
toxicity
assessments
during
outlines
future
directions,
offering
scientific
insights
references
practical
deployment
pollution
remediation.
International Journal of Hydrogen Energy,
Год журнала:
2024,
Номер
72, С. 1116 - 1126
Опубликована: Июнь 1, 2024
Plant
Microbial
Fuel
Cells
(PMFCs)
are
bioelectrochemical
systems
able
to
convert
solar
energy
into
bioelectricity
with
the
support
of
rhizosphere
microbial
populations.
The
simultaneous
and
biomass
production
makes
PMFCs
an
interesting
nature-based
solution
for
promoting
not
only
production,
but
also
soil
decontamination.
This
review
reports
main
bacterial
groups
involved
in
fuel
cell
key
factors
influencing
their
performances
plant
presence.
In
detail,
implement
remediation
contaminated
soils,
it
is
firstly
necessary
know
chemical
characteristics
pollutants,
concentrations,
physico-chemical
community
structure
functioning.
Then,
based
on
characterization
data
soil,
a
species
resist
pollutant
toxicity
promote
phytoremediation
processes
(e.g.
phyto-extraction,
phyto-stabilization,
phyto-degradation)
can
be
selected,
climatic
study
area.
Finally,
electrode
materials
configurations
need
designed
ensure
efficient
growth,
adequate
electron
transfer
best
possible
generation
at
same
time
degradative
activity
microorganisms.
Journal of Hazardous Materials,
Год журнала:
2024,
Номер
478, С. 135473 - 135473
Опубликована: Авг. 9, 2024
Widespread
pesticide
use
in
agriculture
is
a
major
source
of
soil
pollution,
driving
biodiversity
loss
and
posing
serious
threads
to
human
health.
The
recalcitrant
nature
most
these
pesticides
demands
for
effective
remediation
strategies.
In
this
study,
we
assess
the
ability
microbial
fuel
cell
(SMFC)
technology
bioremediate
polluted
by
model
atrazine.
To
elucidate
degradation
mechanism
consequently
define
implementation
strategies,
provide
first
comprehensive
investigation
SMFC
performance,
which
monitoring
electrochemical
performance
system
combined
with
Quadrupole
Time-of-Flight
(QTOF)
mass
spectrometry
analyses.
Our
results
show
that,
while
both
natural
attenuation
lead
reduction
on
atrazine
levels,
modulates
activity
different
pathways.
As
result,
leads
high
levels
deisoproylatrazine
(DIPA),
very
toxic
metabolite,
DIPA
treated
remain
comparatively
low.
beta
diversity
differential
abundance
analyses
revealed
how
community
evolves
over
time
SMFCs
degrading
atrazine,
demonstrating
enrichment
electroactive
taxa
anode,
mixture
atrazine-degrading
at
cathode.
detection
taxonomic
classification
peripheral
genes,
atzA,
atzB
atzC,
was
carried
out
combination
analysis.
Results
that
genes
are
likely
harboured
members
order
Rhizobiales
enriched
cathode,
thus
promoting
via
conversion
hydroxyatrazine
(HA)
into
N-isopropylammelide
(NIPA),
as
confirmed
data.
Overall,
approach
adopted
work,
provides
fundamental
insights
pathways
technology,
critical
practical
applications,
suggesting
an
advance
research
field.
