Energies,
Journal Year:
2024,
Volume and Issue:
17(23), P. 6119 - 6119
Published: Dec. 5, 2024
This
article
presents
the
current
state
of
biogas
(biomethane)
production
technology
with
an
example
using
cow
manure
from
perspective
photofermentation
efficiency.
In
specialist
farms,
there
is
a
problem
waste
management
in
form
manure;
analyses
were
carried
out
on
photocatalysis
process
order
to
be
able
effectively
produce
biomethane
based
monosubstrate
solutions
(manure).
Cow
was
tested
for
its
elemental
composition
determine
suitability
this
raw
material
production.
The
compared
A,
which
stored
1
week
(fresh
sample,
wet),
and
B,
month
(old
dry).
A
values
as
follows:
N:
3.18%
3.34%;
P:
0.403%
0.492%;
K:
1.267%
2.336%;
Na:
0.362%
0.714%;
Ca:
0.705%
0.788%;
Mg:
0.737%
0.907%.
quality
produced
atmospheric
conditions
(material
B)
assessed.
An
increase
CH4
observed
temperature.
For
at
temperature
22.5
°C,
it
range
11–14%;
25.5
approx.
35%.
despite
small
amounts
(from
0%
2%),
tendency
also
observed.
At
22.4
0–1%,
25.4
about
2%.
novelty
development
innovative
method
manure,
indicating
industry.
Processes,
Journal Year:
2025,
Volume and Issue:
13(2), P. 294 - 294
Published: Jan. 21, 2025
Anaerobic
digestion
(AD)
is
a
biotechnological
process
in
which
the
microorganisms
degrade
complex
organic
matter
to
simpler
components
under
anaerobic
conditions
produce
biogas
and
fertilizer.
This
has
many
environmental
benefits,
such
as
green
energy
production,
waste
treatment,
protection,
greenhouse
gas
emissions
reduction.
It
long
been
known
that
two
main
species
(acidogenic
bacteria
methanogenic
archaea)
community
of
AD
differ
aspects,
optimal
for
their
growth
development
are
different.
Therefore,
if
performed
single
bioreactor
(single-phase
process),
selected
taking
into
account
slow-growing
methanogens
at
expense
fast-growing
acidogens,
affecting
efficiency
whole
process.
led
two-stage
(TSAD)
recent
years,
where
processes
divided
cascade
separate
bioreactors
(BRs).
division
consecutive
BRs
leads
significantly
higher
yields
two-phase
system
(H2
+
CH4)
compared
traditional
single-stage
CH4
production
review
presents
state
art,
advantages
disadvantages,
some
perspectives
(based
on
more
than
210
references
from
2002
2024
our
own
studies),
including
all
aspects
TSAD—different
parameters’
influences,
types
bioreactors,
microbiology,
mathematical
modeling,
automatic
control,
energetical
considerations
TSAD
processes.
Chemical Product and Process Modeling,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 5, 2025
Abstract
The
present
work
introduces
a
new
method
for
forecasting
the
formation
of
CH
4
and
C
2
H
n
gases
in
gasification
biomass.
K-nearest
neighbors
(KNN)
algorithm
is
utilized
as
base
model,
while
two
innovative
optimization
techniques,
Artificial
Rabbits
Optimization
(ARO)
Smell
Agent
(SAO),
are
employed
to
enhance
overall
performance
achieve
optimal
results.
goal
this
investigation
create
prediction
model
that
can
reliably
accurately
anticipate
amount
produced
during
By
combining
strengths
KNN
with
capabilities
ARO
SAO,
proposed
approach
aims
overcome
existing
limitations
process
predictions.
experimental
results
demonstrate
effectiveness
combined
predicting
estimating
quantities
produced.
integration
SAO
enables
better
leading
improved
accuracy
reliability
outcomes.
Additionally,
suggested
models
was
thoroughly
evaluated
assessed
utilizing
evaluators.
Remarkably,
KNSA
(combination
SAO)
achieved
highest
R
values
0.994
0.995
,
correspondingly,
which
demonstrates
methods.
conclusion
study
contributes
field
biomass
gasification,
it
methodology
used
further
improving
its
through
implementation
techniques.
Further
optimizations
may
now
be
opened,
set
insights
derived
from
research
curiosity-driven
scholars
practitioners
renewable
energy
production.
International Journal of Energy Research,
Journal Year:
2025,
Volume and Issue:
2025(1)
Published: Jan. 1, 2025
The
growing
global
demand
for
sustainable
energy
and
effective
waste
management
solutions
has
increased
interest
in
innovative
biofuel
production
methods.
This
study
analyzes
research
trends
utilizing
black
soldier
fly
(BSF)
larvae
from
2010
to
2023.
A
comprehensive
bibliometric
analysis
was
conducted
using
the
Scopus
database
Bibliometrix
R
package.
revealed
a
significant
publication
increase,
with
an
annual
growth
rate
of
23.83%.
China
Malaysia
emerged
as
leading
hubs,
contributing
263
178
publications,
respectively.
Keyword
demonstrated
shift
broad
exploration
focused
studies
on
biodiesel
production,
management,
circular
economy
principles.
field
showed
multidisciplinary
approach,
integrating
entomology,
biotechnology,
engineering.
Recent
advances
highlighted
BSF
larvae’s
efficiency
converting
various
organic
wastes
into
high‐quality
biogas,
promising
results
optimizing
processes
enhancing
fuel
properties.
However,
challenges
persist
scaling
up
ensuring
biological
consistency.
These
findings
highlight
potential
solution
simultaneous
valorization
efforts
renewable
practices.
PLoS ONE,
Journal Year:
2024,
Volume and Issue:
19(12), P. e0312527 - e0312527
Published: Dec. 23, 2024
Abundant
wood
waste
is
generated
globally,
but
the
literature
lacks
a
framework
distinguishing
sustainable
versus
unsustainable
reuse
practices.
This
gap
hinders
policy
makers
and
stakeholders
from
effectively
supporting
responsible
resource
utilization.
As
such,
this
scoping
review
aimed
to
address
by
evaluating
practices
through
ecological,
financial,
social
sustainability
lenses.
A
comprehensive
database
search
yielded
1,150
records,
narrowed
106
included
studies
eligibility
screening.
Data
on
study
details
factors
was
extracted
without
formal
quality
appraisal.
The
protocol
ensures
rigorous
evidence-mapping
approach.
findings
revealed
that
uses
renewable
energy,
adsorbents,
construction
materials,
composting
applications.
However,
toxic
preservatives,
uncontrolled
emissions
burning,
intensive
harvesting
impacts,
contamination
risks
mulching
perpetuate
social,
financial
challenges.
Preventing
managing
trade-offs
are
key
priorities.
Research
innovations,
stringent
control,
supportive
policies
imperative
distinguish
aligned
with
principles
those
inadvertently
causing
harm.
provides
for
making
informed
decisions
progress
systems
toward
Energies,
Journal Year:
2024,
Volume and Issue:
18(1), P. 16 - 16
Published: Dec. 24, 2024
The
increasing
demand
for
sustainable
energy
has
spurred
interest
in
biofuels
as
a
renewable
alternative
to
fossil
fuels.
Biomass
gasification
and
pyrolysis
are
two
prominent
thermochemical
conversion
processes
biofuel
production.
While
these
effective,
they
often
influenced
by
complex,
nonlinear,
uncertain
factors,
making
optimization
prediction
challenging.
This
study
highlights
the
application
of
fuzzy
neural
networks
(FNNs)—a
hybrid
approach
that
integrates
strengths
logic
networks—as
novel
tool
address
challenges.
Unlike
traditional
methods,
FNNs
offer
enhanced
adaptability
accuracy
modeling
nonlinear
systems,
them
uniquely
suited
biomass
processes.
review
not
only
ability
optimize
predict
performance
but
also
identifies
their
role
advancing
decision-making
frameworks.
Key
challenges,
benefits,
future
research
opportunities
explored,
showcasing
transformative
potential
