ACS ES&T Engineering,
Год журнала:
2024,
Номер
4(7), С. 1520 - 1539
Опубликована: Июнь 20, 2024
Extracellular
electron
transport
(EET)
is
a
biological
process
where
microorganisms
can
donate
electrons
from
the
interior
of
their
cells
to
external
acceptors
or
act
as
receive
sources
and
electrodes.
This
often
occurs
in
surrounding
environment
within
biofilms,
enabling
redox
reactions
essential
for
energy
metabolism.
review
evaluates
latest
developments
transfer
research
environmental
biotechnology,
showcasing
its
varied
applications
across
bioelectrochemical
systems
(BES),
including
microbial
fuel
electrosynthesis
CO2
upcycling,
well
utilization
non-BES
such
anaerobic
digestion
bioleaching
useful
resource
recovery.
The
emphasizes
interdisciplinary
approach
EET
research,
merging
microbiology,
chemistry,
engineering,
material
science,
system
control
engineering.
paper
provides
insights
into
performance
optimization
outlook
future
industrial
commercial
applications.
also
explores
potential
mitigate
global
challenges,
offering
innovative
biotechnological
solutions
that
pave
way
sustainable
circular
bioeconomy.
Abstract
Due
to
anthropogenic
activities,
heavy
metal
(HM)
pollution
in
soils
has
increased,
resulting
severe
ecological
problems
and
posing
a
constant
threat
human
health.
Among
various
remediation
methods,
bacterial
is
relatively
clean,
efficient,
minimally
negative
approach.
However,
agents
face
multiple
environmental
stresses,
making
them
challenging
achieve
long-lasting
stable
restoration
effects.
To
address
this
issue,
supportive
organic
substances
such
as
biochar
can
be
added
the
soil
with
bacteria.
According
bibliometric
studies,
integrating
bacteria
extensively
researched
widely
used
for
HM-contaminated
remediation.
By
bacteria,
metals
remediated,
conditions
improved
over
time.
Bacteria
also
better
promote
plant
growth
or
contribute
effectively
phytoremediation
processes
when
assisted
by
biochar.
are
still
some
distance
away
from
large-scale
use
because
of
their
high
cost
possible
problems.
Therefore,
further
discussion
on
interaction
between
integration
approach,
along
efficiency
friendliness,
needed
sustainable
This
paper
discusses
potential
mechanisms
biochar-bacteria-metal
interactions,
current
advancements
biochar-bacteria
combinations
treatment,
application
remediation,
analyzes
compares
effect
different
ways
feedstocks
integrate
Finally,
future
directions
presented,
evidence
strategies
improving
commercialization
implementation.
Graphical
Reviews in Environmental Science and Bio/Technology,
Год журнала:
2024,
Номер
23(1), С. 93 - 132
Опубликована: Фев. 20, 2024
Abstract
The
high
metabolic
flexibility
and
biodiversity
of
microalgae
make
them
promising
systems
for
the
production
chemicals
high-value
metabolites
to
be
utilized
in
various
industrial
applications.
Currently,
are
primarily
cultivated
phototrophic
processes
or
fermenters
using
glucose
as
substrate.
However,
such
configurations
often
too
costly
majority
potential
applications
require
improvements.
use
acetate
substrate
enhance
biomass
productivity
reduce
cost
environmental
impacts
is
a
solution.
In
future
bio-based
economy,
can
serve
an
excellent
intermediate
link
many
facilities,
it
synthesized
different
technologies
from
renewable
resources
CO
2
waste.
This
work
provides
detailed
description
synthesis
alternative
conventional
methanol
carbonylation,
including
pros
cons
each:
aerobic
anaerobic
fermentations;
thermochemical
treatments;
C1
gas
fermentation;
microbial
electrosynthesis
artificial
photosynthesis.
Additionally,
utilization
growth
mixotrophic
heterotrophic
conditions
reviewed,
covering
key
engineering
aspects
(strains,
yields,
rate,
inhibition,
productivity,
process
configuration).
These
guidelines
rationale
design
algal
cultivation
based
on
carbon
source.
Finally,
review
critically
assesses
state
art
coupling
acetate-rich
streams
with
production,
highlighting
addressing
main
knowledge
gaps
filled
through
research.
Chemical Reviews,
Год журнала:
2024,
Номер
124(15), С. 9081 - 9112
Опубликована: Июнь 20, 2024
Nanomaterial-microorganism
hybrid
systems
(NMHSs),
integrating
semiconductor
nanomaterials
with
microorganisms,
present
a
promising
platform
for
broadband
solar
energy
harvesting,
high-efficiency
carbon
reduction,
and
sustainable
chemical
production.
While
studies
underscore
its
potential
in
diverse
solar-to-chemical
conversions,
prevailing
NMHSs
grapple
suboptimal
conversion
efficiency.
Such
limitations
stem
predominantly
from
an
insufficient
systematic
exploration
of
the
mechanisms
dictating
flow.
This
review
provides
overview
notable
advancements
this
nascent
field,
particular
focus
on
discussion
three
pivotal
steps
flow:
capture,
cross-membrane
transport,
into
chemicals.
key
challenges
faced
each
stage
are
independently
identified
discussed,
viable
solutions
correspondingly
postulated.
In
view
interplay
affecting
overall
efficiency
conversion,
subsequent
discussions
thus
take
integrative
viewpoint
to
comprehend,
analyze
improve
flow
current
different
configurations,
highlighting
contemporary
techniques
that
can
be
employed
investigate
various
aspects
within
NMHSs.
Finally,
concluding
section
summarizes
opportunities
future
research,
providing
roadmap
continued
development
optimization
Bioresources and Bioprocessing,
Год журнала:
2021,
Номер
8(1)
Опубликована: Фев. 9, 2021
Abstract
Biomass
is
one
of
the
most
abundant
renewable
energy
resources
on
earth,
which
also
considered
as
promising
alternatives
to
traditional
fuel
energy.
In
recent
years,
microbial
cell
(MFC)
can
directly
convert
chemical
from
organic
compounds
into
electric
has
been
developed.
By
using
MFC,
biomass
could
be
harvested
with
form
electricity,
convenient,
wide-spread,
and
clean
Therefore,
MFC
was
another
way
harness
sustainable
energies
in
added
new
dimension
industry.
this
review,
pretreatment
methods
for
towards
electricity
harvesting
microorganisms
utilized
biomass-fueled
were
summarized.
Further,
strategies
improving
performance
well
future
perspectives
highlighted.
Chemical Engineering Journal,
Год журнала:
2021,
Номер
419, С. 130008 - 130008
Опубликована: Апрель 24, 2021
Microbial
electrochemical
technologies
(MET)
are
increasingly
being
considered
for
environmental
remediation
applications,
mainly
their
unique
capability
to
enhance
microbial
degradation
processes
in
an
environmentally
sustainable
manner
(e.g.,
without
requiring
addition
of
chemicals
and
with
little
or
even
no
energy
consumption).
To
date,
however,
the
application
MET
saturated
unsaturated
soils
contaminated
by
petroleum
hydrocarbons
(PH)
remains
challenged
a
number
operational
factors
which
have,
so
far,
hampered
more
rapid
deployment
technology.
In
this
context,
critical
review
has
comprehensively
analyzed
recent
scientific
literature
dealing
electrobioremediation
PH-contaminated
soils,
order
disentangle
impact
key
process
parameters
type
electrodes,
system
configurations,
design
criteria)
conditions
soil
characteristics
strategies
manipulate
thereof,
contaminants,
composition
PH-degrading
communities)
on
overall
performance.
Interestingly,
analysis
revealed
that
MET-based
been
successfully
applied
remove
variety
PH
(from
alkanes
polycyclic
aromatic
mixtures
thereof)
from
displaying
broad
range
electric
conductivities
(0.2–6
mS/cm),
using
different
configurations
simple
graphite
rod
buried
within
complex
tubular
electrode
assemblies).
limited
radius-of-influence
electrodes
is
typically
lower
than
50
cm,
appears
be
main
limiting
factor
requires
specific
amendment
conductive
materials/minerals
and/or
surfactants)
properly
addressed.
Finally,
study
highlights
urgent
need
pilot-scale
testing
confirm
promising
results
obtained
at
laboratory-scale
under
controlled,
yet
often
far-less
representative,
as
well
catalyze
commercial
societal
interest
towards
novel
