Fuels,
Journal Year:
2025,
Volume and Issue:
6(1), P. 7 - 7
Published: Jan. 15, 2025
The
growing
demand
for
chicken
meat
products
has
increased
the
amount
of
wastewater
associated
with
their
production;
treatment
generation
sludge
and
oils
trapped
in
trap
process
treatment.
This
work
presents
a
valorization
this
residual
oil
recovered
through
production
biodiesel.
An
degumming
was
applied,
quality
treated
evaluated.
transesterified
alkaline
conditions
homogeneous
catalyst
(KOH);
3k
experimental
design
applied
two
factors:
temperature
at
50,
60,
70
°C
molar
ratios
5,
6,
7
moles
methanol
per
mole
oil.
biodiesel
parameters
were
evaluated
based
on
ASTM
standard.
achieved
yield
90.2%.
obtained
met
all
parameters;
however,
only
ratio
6:1
60
kinematic
viscosity
5.64
±
0.15
mm2
s−1,
meeting
limits
1.9–6.0
s−1
regulation.
fluidity
mixtures
25,
75%
v
petroleum
diesel
also
evaluated,
better
adjustment
Bingham
mixing
rule
model
rheological
analysis
revealed
that
did
not
lose
Newtonian
behavior.
allows
application
internal
combustion
engines,
achieving
Engineering Optimization,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 24
Published: Oct. 8, 2024
This
research
proposes
a
sustainable
municipal
solid
waste
management
(MSWM)
system
to
address
population
growth,
consumerism,
and
resource
scarcity.
It
introduces
two-phase
decision
structure
combining
multi-attribute
decision-making
(MADM)
tools.
Phase
one
develops
hybrid
risk-oriented
fuzzy
MADM
tool
for
selecting
optimal
waste-to-energy
technologies,
considering
environmental
technological
factors.
two
uses
bi-objective
multi-period
mixed-integer
linear
programming
model
design
the
MSWM
supply
chain
efficiently
under
uncertainty.
A
case
study
in
North
Tehran
demonstrates
framework's
practical
applicability
effectiveness
real-world
scenarios,
highlighting
that
effective
source
separation
boosts
recycling,
reduces
costs,
provides
social
benefits.
Sensitivity
analyses
offer
insights
enhance
segregation
practices.
The
emphasizes
integrating
economic,
environmental,
sustainability
decision-making.
By
offering
novel,
holistic
approach,
this
addresses
existing
gaps
systematic
processes
robust
municipalities
optimize
strategies
Biofuels,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 19
Published: Jan. 13, 2025
The
study
examined
the
extraction
of
bio-oil
from
pumpkin
seed
and
compared
optimization
production
Fatty
acid
ethyl
ester
(FAEE)
via
transesterification
process
using
Response
Surface
Methodology
(RSM),
Artificial
Neural
Network
(ANN).
This
research
uniquely
highlights
utilization
oil,
a
non-edible
sustainable
feedstock,
combines
RSM
ANN
methodologies
to
enhance
precision
biodiesel
optimization.
experiment
was
conducted
at
60
min
reaction
time
under
varying
temperature
ranges,
catalyst
weight,
stirrer
speed,
ethanol-oil
molar
ratio.
optimized
conditions
for
maximum
were
determined
be
1.3%
concentration,
6:1
ethanol-to-oil
ratio,
50
°C
temperature,
550
rpm
resulting
in
90%
yield.
statistical
evaluation
metrics
confirmed
neural
network
predictions
compromised
80%
yield
due
limitations
such
as
insufficient
data
size
inherent
complexity
model.
biofuel
produced
satisfied
ASTM
specifications
peculiar
environmental
applications.
mechanistic
parameters
revealed
variations
thermodynamic
stability
feasibility
across
orders
(zero,
pseudo-first,
pseudo-second),
emphasizing
temperature-dependent
effects
kinetic
pathway
on
yield,
design,
efficiency.
