Biotechnology for Biofuels and Bioproducts,
Journal Year:
2024,
Volume and Issue:
17(1)
Published: June 21, 2024
Hybrid
thermochemical-biological
processes
have
the
potential
to
enhance
carbon
and
energy
recovery
from
organic
waste.
This
work
aimed
assess
of
multifunctional
simultaneously
sequestrate
syngas
detoxify
pyrolysis
aqueous
condensate
(PAC)
for
short-chain
carboxylates
production.
To
evaluate
relevant
process
parameters
mixed
culture
co-fermentation
PAC,
two
identical
reactors
were
run
under
mesophilic
(37
°C)
thermophilic
(55
conditions
at
increasing
PAC
loading
rates.
Both
recovered
least
50%
in
into
carboxylates.
During
co-fermentation,
methanogenesis
was
completely
inhibited
while
acetate,
ethanol
butyrate
primary
metabolites.
Over
90%
amplicon
sequencing
variants
based
on
16S
rRNA
assigned
Clostridium
sensu
stricto
12.
process,
other
hand,
Symbiobacteriales,
Syntrophaceticus,
Thermoanaerobacterium,
Methanothermobacter
Methanosarcina
likely
played
crucial
roles
aromatics
degradation
methanogenesis,
respectively,
Moorella
thermoacetica
marburgensis
predominant
carboxydotrophs
process.
High
biomass
concentrations
necessary
maintain
stable
operations
high
loads.
In
a
second-stage
reactor,
Aspergillus
oryzae
converted
propionate
first
stage
L-malate,
confirming
successful
detoxification
below
inhibitory
levels.
The
highest
L-malate
yield
0.26
±
2.2
mol
Energies,
Journal Year:
2024,
Volume and Issue:
17(6), P. 1504 - 1504
Published: March 21, 2024
Brewery
(BW)
and
dairy
(DW)
wastewater
are
two
types
of
agro-industrial
that
generated
in
large
amounts
and,
therefore,
should
be
treated
effectively
an
environmentally
beneficial
manner.
Both
these
characterized
by
a
high
COD,
BOD5,
nutrient
content,
conventional
treatment
methods
such
as
activated
sludge
process
may
prove
to
inefficient
due
the
possibility
foaming,
biomass
production,
low
activity
at
temperatures,
risk
overloading
reactor
with
load
organic
pollutants.
In
context
described
difficulties,
anaerobic
processes
seem
best
alternative.
An
interesting
research
area
is
co-digestion
wastewaters.
However,
this
direction,
so
far,
has
not
been
frequently
reported.
Given
gap
current
knowledge,
literature
review
aims
assess
BW
DW
digestion
reactors
provide
up-to-date
data
on
post-treatment
effluent
after
process.
Despite
numerous
advantages,
often
requires
post-effluent
complete
cycle.
