Recent trends, perceptions and applications of microbial bioelectrochemical systems: An innovative technology
Fatima Akram,
Deborah Salamat,
Taseer Fatima
и другие.
Journal of Electroanalytical Chemistry,
Год журнала:
2025,
Номер
979, С. 118933 - 118933
Опубликована: Янв. 9, 2025
Язык: Английский
Impact of the rotational speed and counter electrode configuration on the performance of a rotating disc bioelectrochemical reactor (RDBER) operated as microbial electrolysis cell
Zhizhao Xiao,
Max Rümenapf,
Max Hackbarth
и другие.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2025,
Номер
unknown
Опубликована: Март 11, 2025
Abstract
A
10
L
Rotating
Disc
Bioelectrochemical
Reactor
(RDBER)
was
operated
as
a
microbial
electrolysis
cell
(MEC)
under
different
rotational
speeds
and
counter
electrode
configurations.
Increasing
the
anode’s
speed
from
0.25
to
1
rpm
raised
anodic
current
density
55
±
14
100
7
m
-3
while
increasing
hydrogen
production
rates
0.05
0.01
0.18
.
Higher
provided
no
further
benefit.
Moving
electrodes
upper
reactor
half
reduced
observed
shuttling.
The
modified
RDBER
reached
densities
of
1.98
0.11
-2
0.99
0.03
production.
Optical
coherence
tomography
confirmed
biofilm
morphology
changes
but
significant
increase
in
biovolume
or
substratum
coverage.
Hydrogen
recovery
remained
below
50%.
While
achieved
high
volumetric
compared
other
MEC
pilots,
improvements
cathodic
are
required
for
practical
application.
Graphical
Highlights
batch
experiments
at
shuttling
through
cathode
displacement
Current
198
11
H
2
-production
R
-1
d
Anodic
parameters
were
not
significantly
altered
by
modification
Язык: Английский
Recent Applications, Challenges, and Future Prospects of Microbial Fuel Cells: A Review
Global Challenges,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 16, 2025
Abstract
Microbial
fuel
cell
(MFC),
a
clean
and
promising
technology
that
has
the
potential
to
tackle
both
environmental
degradation
global
energy
crisis,
receives
tremendous
attention
from
researchers
over
recent
years.
The
performance
of
each
system
component,
including
membrane
electrode
utilized
in
MFCs,
great
effect
on
efficiency
converting
chemical
found
organic
waste
power
generation
through
bacterial
metabolism.
MFCs
have
diverse
applications
are
growing
day
by
developed
countries.
This
review
discusses
recently
available
various
wastewater
treatment,
biohydrogen
production,
hazardous
removal,
bioelectricity,
robotics,
biosensors,
etc.
There
still
several
challenges
(e.g.,
complexity,
economic,
commercialization,
other
operational
factors)
for
large‐scale
practical
applications,
particularly
relatively
low
output
delayed
start‐up
time,
which
is
also
reported
this
article.
Moreover,
factors
materials,
proton
exchange
system,
substrate,
electron
transfer
mechanism,
pH,
temperature,
external
resistance,
shear
stress
feed
rate)
affect
discussed
detail.
To
resolve
these
issues,
optimizations
parameters
presented.
In
previously
published
studies,
paper
indicates
demonstrated
densities
ranging
2.44
3.31
W
m
−
2
,
with
Coulombic
efficiencies
reaching
up
55.6%
under
optimized
conditions.
It
achieved
removal
oxygen
demand
(COD),
total
carbon
(TOC),
antibiotics
93.7%,
70%,
98%,
respectively.
Finally,
highlights
future
perspective
full‐scale
applications.
Язык: Английский
Metabolic activity and pathway study of emerging contaminants biodegradation using a photo-bioelectrochemical system: a review
3 Biotech,
Год журнала:
2025,
Номер
15(6)
Опубликована: Май 16, 2025
Язык: Английский
Microbial fuel cells powering robots and beyond; historical perspective and future directions
Bioelectrochemistry,
Год журнала:
2025,
Номер
166, С. 109010 - 109010
Опубликована: Май 27, 2025
Язык: Английский
3D-Printed Conductive Polymers as Alternative for Bioelectrochemical Systems Electrodes: Abiotic Study and Biotic Start-Up
Applied Sciences,
Год журнала:
2024,
Номер
14(16), С. 7199 - 7199
Опубликована: Авг. 15, 2024
Despite
over
two
decades
of
intense
research
into
bioelectrochemical
systems
(BESs),
their
practical
implementation
remains
unrealized,
partly
due
to
the
low
performance
bioelectrodes.
With
introduction
additive
manufacturing
techniques,
development
a
new
generation
bioelectrodes
with
custom-shaped
geometries
using
conductive
composites
has
become
feasible.
This
study
examines
potential
composites,
Poly-lactic
acid
(PLA)
and
thermoplastic
polyurethane
(TPU),
for
3D-printed
electrodes.
Electrochemical
characterization
reveals
that
TPU
charge
transfer
resistance
approximately
orders
magnitude
higher
than
PLA,
rendering
it
unsuitable
The
presence
triangular
patterns
enhances
planar
electrodes,
optimal
results
observed
PLA-based
electrodes
surface
pattern
depths
between
0.6
1.4
mm.
Additionally,
electrodeposition
(ED)
graphene
oxide
(GO)
further
improves
across
all
cases.
During
subsequent
biotic
start-up,
patterned
PLA
depth
mm
exhibit
current.
However,
these
degradation
after
56
days
operation.
Язык: Английский
Nanostructured Magnetite Coated with BiOI Semiconductor: Readiness Level in Advanced Solar Photocatalytic Applications for the Remediation of Phenolic Compounds in Wastewater from the Wine and Pisco Industry
Applied Sciences,
Год журнала:
2024,
Номер
14(21), С. 9898 - 9898
Опубликована: Окт. 29, 2024
Heterogeneous
photocatalysis
is
an
advanced,
efficient
oxidation
process
that
uses
solar
energy
to
be
sustainable
and
low-cost
compared
conventional
wastewater
treatments.
This
study
synthesized
BiOI/Fe3O4
using
the
solvothermal
technique,
evaluating
stoichiometric
ratios
of
Bi/Fe
(2:1,
3:1,
5:1,
7:1)
under
simulated
irradiation
optimize
degradation
caffeic
acid,
a
pollutant
found
in
from
wine
pisco
industry.
The
nanomaterial
with
5:1
ratio
(BF-5)
was
most
effective,
achieving
77.2%
180
min.
Characterization
by
X-ray
Diffraction
(XRD),
Transmission
Electron
Microscopy
(TEM),
Brunauer–Emmett–Teller
(BET),
Barrett–Joyner–Halenda
(BJH),
Fourier
Transform
Infrared
Spectroscopy
(FTIR),
Diffuse
Reflectance
(DRS),
Vibrating
Sample
Magnetometry
(VSM)
showed
BF-5
has
porous
three-dimensional
structure
BiOI
nanosheets
coating
Fe3O4
surface,
while
retaining
pristine
properties.
magnetite
provided
magnetic
properties
facilitated
recovery
photocatalyst,
reaching
89.4%
recovery.
These
findings
highlight
potential
as
recoverable
photocatalyst
for
industrial
applications.
technical,
economic,
environmental
feasibility
were
also
evaluated
at
technological
readiness
level
(TRL)
project
real
Язык: Английский