Assessment of seasonal feedstock changes in long-term anaerobic digestion: Monoterpenes influence on the microbial consortium
Biomass and Bioenergy,
Год журнала:
2025,
Номер
194, С. 107674 - 107674
Опубликована: Фев. 7, 2025
Язык: Английский
A review on waste activated sludge pretreatment for improved volatile fatty acids production and their upcycling into polyhydroxyalkanoates
International Journal of Biological Macromolecules,
Год журнала:
2025,
Номер
unknown, С. 142562 - 142562
Опубликована: Март 1, 2025
Язык: Английский
Resilience towards organic load and activated sludge variations in co-fermentation for carboxylic acid production
Bioresource Technology,
Год журнала:
2024,
Номер
406, С. 131034 - 131034
Опубликована: Июнь 24, 2024
Two
perturbations
were
investigated
in
acidogenic
co-fermentation
of
waste
activated
sludge
(WAS)
and
food
continuous
mesophilic
fermenters:
increasing
the
organic
loading
rate
(OLR)
changing
WAS.
A
control
reactor
maintained
an
OLR
11
gVS/(L·d),
while
a
test
had
prolonged
change
to
18
gVS/(L·d).
For
each
OLR,
two
WAS
studied.
The
led
differentiated
fermentation
product
profile
without
compromising
yields
(∼300
mgCOD/gVS).
At
was
dominated
by
acetic,
butyric,
propionic
acids
at
gVS/(L·d)
it
shifted
acetic
acid,
ethanol,
caproic
acid.
Reverting
also
reverted
profile.
biomass
immigration
with
changed
microbial
structure
introduced
acid-consuming
methanogens,
which
growth
only
delayed
increase.
Microbial
monitoring
post-fermentation
tests
can
be
used
for
early
detection
events.
Язык: Английский
Acidogenic Fermentation of Cassava Wastewater: Effect of the Substrate-to-Microorganism Ratio and Temperature on Volatile Fatty Acids Production
Water,
Год журнала:
2024,
Номер
16(23), С. 3344 - 3344
Опубликована: Ноя. 21, 2024
The
production
of
volatile
fatty
acids
(VFAs)
through
the
acidogenic
fermentation
wastewater
is
an
emerging
technology
that
requires
further
research
to
optimize
operational
variables
for
specific
substrates.
Cassava
wastewater,
which
a
byproduct
cassava
sour
starch
extraction
process,
has
been
minimally
studied
regarding
its
potential
VFA
fermentation.
Batch
reactors
were
used
evaluate
effects
substrate-to-microorganism
(S/M)
ratio
and
temperature
on
from
wastewater.
results
showed
no
statistically
significant
differences
between
evaluated
S/M
ratios.
maximum
total
concentration
observed
was
2214.64
mg
acetic
acid
(HAc)/L
(0.32
gCODVFA/gCOD),
achieved
at
4
gCOD/gVS.
This
predominantly
composed
(42.7%),
followed
by
butyric
(30.1%)
propionic
(24.6%),
with
minor
quantity
isovaleric
(2.6%).
statistical
analysis
variable
conditions.
VFAs
2650.19
mgHAc/L
(0.45
gCODVFA/gCOD)
34
±
1
°C,
(40.9%),
(29.8%),
(29.3%)
as
primary
metabolites.
shows
promise
substrate
production,
warranting
evaluation
in
continuous
reactors.
Язык: Английский
Consistent acidogenic co-fermentation of waste activated sludge and food waste under thermophilic conditions
Water Research,
Год журнала:
2024,
Номер
271, С. 122970 - 122970
Опубликована: Дек. 13, 2024
Язык: Английский
Heterogeneity in microbial fuel cell stacking influences acidogenic metabolism towards bioelectricity generation, fatty acid synthesis and wastewater treatment
Sustainable Energy & Fuels,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 17, 2024
This
study
explores
the
influence
of
varied
stacking
configurations
in
microbial
fuel
cells
(MFCs)
to
channel
acidogenic
metabolism
for
enhanced
bioelectricity
generation,
value-added
acid
synthesis,
and
wastewater
treatment.
Язык: Английский
Modeling Nitrogen Recovery and Water Transport in Gas-Permeable Membranes
Water Research,
Год журнала:
2024,
Номер
269, С. 122771 - 122771
Опубликована: Ноя. 8, 2024
This
study
presents
a
new
modeling
approach
for
nitrogen
recovery
in
gas-permeable
membrane
(GPM)
contactors,
including
both
ammonia
and
water
transport
dynamics.
A
distinct
feature
of
the
model
is
its
capacity
to
across
membrane,
which
has
been
overlooked
most
publications.
Osmotic
pressure
differences
are
used
predict
behavior
GPM
contactor.
Experiments
carried
out
develop,
test
calibrate
examined
dynamics
through
contactor
at
various
concentrations.
Specifically,
was
tested
from
high-strength
synthetic
wastewaters
(2.4-10.6
g
N/L)
35
°C
pH
9.
The
initial
volume
trapping
solution
(diluted
H
Язык: Английский