Energies,
Год журнала:
2025,
Номер
18(6), С. 1425 - 1425
Опубликована: Март 13, 2025
Sewage
sludge
was
treated
with
nanoscale
zero-valent
iron
(nZVI)
to
enhance
biogas
and
methane
(CH4)
production,
the
influence
of
key
parameters
on
material’s
anaerobic
digestion
(AD)
efficiency
analyzed
using
sigmoidal
mathematical
models.
In
this
study,
three
dosages
nZVI
(0.5%,
1.5%
3%)
were
added
system
accelerate
decomposition
process.
The
results
showed
that
cumulative
yield
after
41
days
increased
by
23.9%
in
reactor
a
dosage
1.5%.
Correspondingly,
highest
CH4
production
enhancement
21.5%
achieved
compared
control.
indicated
optimal
for
AD
system,
as
it
governed
yields
maximum
removal
total
volatile
solids.
Additionally,
predict
evaluate
kinetic
parameters,
eight
models
applied.
According
modified
Gompertz,
Richards
logistic
models,
shortened
lag
phase
from
11
5
Schnute
model
provided
best
fit
experimental
data
due
coefficients
determination
(R2:
0.9997–0.9999
at
3%
dosages),
well
lowest
Akaike’s
Information
Criterion
values
errors.
This
demonstrated
its
superior
performance
other
Journal of Advances in Environmental Health Research,
Год журнала:
2025,
Номер
13(2), С. 68 - 89
Опубликована: Апрель 20, 2025
Anaerobic
digestion
(AD)
converts
animal
and
agricultural
waste
into
biogas,
offering
significant
benefits
for
management
renewable
energy
production.
It
enhances
security,
reduces
dependence
on
imports,
mitigates
greenhouse
gas
emissions.
Despite
its
potential,
AD
faces
challenges
that
require
improved
policies,
investments,
training.
Technological
advancements,
such
as
nanotechnology,
can
further
increase
biogas
production,
while
byproducts
like
biofertilizer
contribute
to
farm
profitability.
However,
pathogens
in
(AW),
Escherichia
coli
Salmonella,
pose
public
health
risks
through
contamination
of
water,
food,
surfaces.
Efficient
livestock
is
essential
reduce
environmental
impacts,
the
proper
pricing
natural
resources,
including
land,
landfills,
crucial
sustainability.
The
include
generation,
reduction,
pathogen
elimination,
conversion
organic
high-quality
fertilizer,
which
supports
productivity.
remain,
smallscale
technology,
impurities,
temperature
sensitivity,
limited
applicability
urban
areas.
To
improve
economic
feasibility,
fermentation
process
be
conducted
controlled
environments
using
tanks.
This
study
explores
strategies
effective
biomass
resource
management,
focusing
optimizing
production
by-product
utilization
sustainable
development.
