International Journal of Low-Carbon Technologies,
Год журнала:
2024,
Номер
19, С. 2763 - 2782
Опубликована: Янв. 1, 2024
Abstract
This
paper
discusses
an
innovative
polygeneration
system.
To
supplement
the
heat
source,
a
solar
system
under
linear
Fresnel
reflector
(LFRs)
is
incorporated.
The
findings
indicate
that
facility
can
generate
70.1
MW
of
net
electric
power,
1921.3
kg/h
methanol,
2936.4
oxygen,
267.5
m3/h
potable
water,
and
approximately
54.4
hydrogen.
From
energy
perspective,
demonstrates
efficiency
52.1%,
while
from
exergy
standpoint,
27.7%.
Additionally,
facility’s
total
environmental
footprint
operational
cost
are
estimated
to
be
around
0.292
Pts/s
0.931
$/s,
respectively.
Environmental Science and Pollution Research,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 29, 2024
Abstract
Microbial
fuel
cells
(MFCs),
hailed
as
a
promising
technology,
hold
the
potential
to
combat
various
wastewater
pollutants
while
simultaneously
converting
their
chemical
energy
into
electricity
through
biocatalysts.
This
study
explores
applicability
of
dual
compartment
MFC
(DC-MFC)
under
varying
conditions,
targeting
removal
oxygen
demand
(COD)
from
landfill
leachate
and
generation.
In
this
setup,
anaerobic
sludge
treatment
plant
serves
inoculum
in
anode
MFC,
with
Nafion117
membrane
acting
separator
between
units.
The
cathode
compartments
are
filled
distilled
water
continually
aerated
for
24
h
enhance
air
supply.
assesses
MFC’s
performance
across
different
COD
concentrations,
focusing
on
removal,
power
generation,
Coulombic
efficiency.
findings
reveal
that
efficiency
is
notably
enhanced
at
higher
concentrations
organic
matter.
Specifically,
concentration
3325.0
mg
L
−1
,
exhibited
highest
(89%)
maximum
density
(339.41
mWm
−2
),
accompanied
by
25.5%.
However,
initial
substrate
increased
3825
decreased
72%,
13.56%
262.34
.
Optical
levels
due
bacterial
growth
ambient
temperature
neutral
pH,
reflecting
dynamic
microbial
response
within
system.
Applied Microbiology and Biotechnology,
Год журнала:
2025,
Номер
109(1)
Опубликована: Янв. 28, 2025
Abstract
Microbial
fuel
cell
(MFC)
technology
has
received
increased
interest
as
a
suitable
approach
for
treating
wastewater
while
producing
electricity.
However,
there
remains
lack
of
studies
investigating
the
impact
inoculum
type
and
hydraulic
retention
time
(HRT)
on
efficiency
MFCs
in
industrial
saline
wastewater.
The
effect
three
different
inocula
(activated
sludge
from
fish-canning
industry
two
domestic
treatment
plants,
WWTPs)
electrochemical
physicochemical
parameters
anodic
microbiome
two-chambered
continuous-flow
MFC
was
studied.
For
each
inoculum,
HRTs
were
tested
(1
day,
3
days,
6
days).
fish
canning
significantly
voltage
production
(with
maximum
value
802
mV),
power
density
78
mW
m
−2
),
coulombic
19.3%),
organic
removal
rate
(ORR)
compared
to
WWTPs.
This
linked
greater
absolute
relative
abundances
electroactive
microorganisms
(e.g.,
Geobacter
,
Desulfovibrio
Rhodobacter
)
predicted
electron
transfer
genes
anode
likely
due
better
adaption
salinity
conditions.
ORR
current
also
enhanced
at
shorter
day
vs.
days)
across
all
inocula.
related
abundance
diversity
bacterial
communities
HRT
1
longer
HRTs.
Our
findings
have
important
bioengineering
implications
can
help
improve
performance
effluents
such
those
seafood
industry.
Key
points
•
Inoculum
matter
production.
Changes
bioenergy
generation
microbiome.
Shorter
favored
increases
MFC.
Graphical
