Anaerobe,
Journal Year:
2024,
Volume and Issue:
unknown, P. 102925 - 102925
Published: Nov. 1, 2024
Anaerobic
digestion
integrates
waste
treatment,
energy
generation,
and
nutrient
recycling,
producing
methane
mainly
through
acetoclastic
(AM)
hydrogenotrophic
methanogenesis
(HM).
Methanogenic
pathway
management
can
improve
biogas
productivity
quality.
The
balance
between
pathways
is
influenced
by
environmental
physicochemical
conditions,
with
conflicting
results
on
the
effect
of
different
factors
often
reported.
This
systematic
review
aims
to
clarify
influence
various
parameters
methanogenic
in
anaerobic
digesters.
Energies,
Journal Year:
2024,
Volume and Issue:
17(5), P. 1164 - 1164
Published: March 1, 2024
Currently,
one
of
the
main
goals
is
to
make
municipal
wastewater
treatment
plants
(WWTPs)
energy-neutral.
However,
advanced
treatments
and
sewage
sludge
processing
are
still
classified
as
highly
energy-intensive.
In
this
study,
energy
self-sufficiency
potential
assessment
WWTP
located
in
Krosno
(Poland)
was
evaluated.
Moreover,
possible
paths
for
improving
balance
analyzed
facility
presented
paper.
The
performed
evaluation
indicated
that
2016–2019,
consumption
at
varied
from
0.25
0.71
kWh/m3
(average
0.51
kWh/m3),
highest
utilization
values
each
year
were
recorded
around
summer
season.
An
analysis
data
showed
pollutant
load
flowing
into
increased,
its
decreased.
Such
results
indicate
cost
per
cubic
meter
decreases
increases
due
capital
being
same.
estimated
years
50.5%.
average
recovery
1
m3
0.27
kWh/m3,
biogas
1.54
kWh/m3.
Since
plant,
determined
primarily
by
continuously
increasing
purchases,
has
be
improved,
two
courses
action
identified
will
allow
self-sufficiency.
co-digestion
strategy
easiest
solution
implement,
given
on-going
anaerobic
stabilization
WWTP.
co-substrates
can
obtained
local
suppliers
indicated.
second
course
action,
which
requires
a
thorough
economic
analysis,
pre-treatment,
might
improve
properties,
resulting
more
favorable
yield.
Frontiers in Microbiology,
Journal Year:
2025,
Volume and Issue:
16
Published: May 2, 2025
In
the
face
of
escalating
challenge
sludge
production
and
disposal
in
wastewater
treatment
plants
(WWTPs),
situ
reduction
biotechnology
(ISRB)
has
recently
emerged
as
a
highly
promising
strategy.
It
not
only
potential
to
curtail
generation
at
its
origin
but
also
ensures
sustained
efficiency
process.
Several
key
strategies
have
demonstrated
exceptional
harnessing
microbial
processes
for
degradation.
They
encompass
enzymatic
hydrolysis,
inoculation,
protozoan/metazoan
predation,
bacteriophage
lysis,
biofilm-based
manipulation.
Compared
traditional
methods
(e.g.,
incineration
landfilling),
these
biotechnologies
offer
significant
advantages
through
lower
costs,
reduced
energy
consumption,
minimal
environmental
impacts.
The
efficacy
ISRB
is
substantially
affected
by
various
factors,
where
pH,
shift,
nutrient
conditions
play
crucial
roles.
Despite
notable
progress
made
this
field,
challenges
persist
when
it
comes
scaling
up
technologies
more
extensive
widespread
applications.
This
review
comprehensively
highlights
fundamental
mechanisms,
application
strategies,
future
prospects
ISRB,
including
one
first
studies
introduce
bacteriophage-based
approaches
reduction,
offering
novel
perspective
on
phage-mediated
control.
By
doing
so,
aims
in-depth
insights
into
role
sustainable
solution
management,
paving
way
further
research
development
area
biotechnology.
