Sustainability,
Journal Year:
2024,
Volume and Issue:
16(16), P. 7078 - 7078
Published: Aug. 18, 2024
Currently,
the
viscoelastic
properties
of
conventional
asphalt
cement
need
to
be
improved
meet
increasing
demands
caused
by
larger
traffic
loads,
increased
stress,
and
changing
environmental
conditions.
Thus,
using
modifiers
is
suggested.
Furthermore,
Sustainable
Development
Goals
(SDGs)
promote
waste
materials
new
technologies
in
pavement
technology.
The
present
study
aims
fill
this
gap
investigating
use
pulverized
oil
palm
industry
clinker
(POPIC)
as
an
asphalt–cement
modifier
improve
fatigue
life
bituminous
concrete
innovative
prediction
approach.
proposes
approach
that
integrates
statistically
based
machine
learning
approaches
investigates
effects
applied
stress
temperature
on
POPIC-modified
concrete.
(POPIC-MBC)
produced
from
a
standard
Marshall
mix.
interactions
between
POPIC
concentration,
were
optimized
response
surface
methodology
(RSM),
resulting
7.5%
POPIC,
11.7
°C,
0.2
MPa
optimum
parameters
for
life.
To
accuracy
robustness
results,
RSM
ANN
models
used
analyzed
MATLAB
JMP
Pro,
respectively.
performance
developed
model
was
assessed
coefficient
determination
(R2),
root
mean
square
error
(RMSE),
relative
(MRE).
found
RSM,
MATLAB,
Pro
resulted
comprehensive
analysis.
achieved
R²
value
0.9844,
RMSE
3.094,
MRE
312.427,
0.998,
1.245,
126.243,
demonstrating
higher
superior
than
which
had
0.979,
3.757,
357.846.
Further
validation
with
parity,
Taylor,
violin
plots
demonstrates
both
have
good
accuracy,
outperforming
terms
alignment.
This
approach’s
efficiency
analyzing
POPIC-MBC,
revealing
it
useful
tool
future
research
practical
applications.
reveals
adopted
modifier,
obtained
biomass
waste,
meets
zero-waste
circular
bioeconomy
goals,
contributing
UN’s
SDGs
9,
11,
12,
13.
Polymer Composites,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 17, 2025
Abstract
In
order
to
accomplish
an
effective
valorization
of
biochar
derived
from
pine
needle
waste
(PNW)
as
a
potential
filler
develop
green
composites
based
on
polypropylene
bottle
flakes
(wPP)
explored
through
twin
screw
extruder
and
injection
molding.
A
comprehensive
analysis
the
composites,
including
mechanical,
thermal,
rheological,
morphological
were
characterized
investigated.
The
best
mechanical
performance
wPP/biochar
composite
was
obtained
at
40
wt%
content
tensile
modulus
substantially
enhanced
by
97.30%,
flexural
141.92%,
strength
54.60%
compressive
28.85%
while
elongation
break
reduced
10.18%
79.83%
with
respect
wPP.
Thermogravimetric
(TGA)
showed
that
adding
thermal
stability
wPP/biochar.
Differential
scanning
calorimetry
(DSC)
revealed
increases
crystallinity
wPP
matrix
10
highest
(66.72%)
achieved.
Scanning
electron
microscopy
(SEM)
images
suggested
interlocking
structure
between
matrix.
complex
viscosity,
storage
modulus,
viscous
are
incorporating
biochar.
Modified
Cole–Cole
plot
van‐Gurp
restriction
polymer
chain
mobility
in
presence
Highlights
Reutilization
needles
plastic
promotes
circular
economy.
Biochar
gasification
process
improved
properties
composite.
composites.
SEM
reveals
infiltration
pores.
Journal of The Electrochemical Society,
Journal Year:
2025,
Volume and Issue:
172(3), P. 034502 - 034502
Published: Feb. 24, 2025
Central
composite
experimental
design
(CCD)
and
artificial
neural
networks
(ANN)
is
not
so
popular
in
electrochemical
systems,
even
though
they
present
several
advantages
(lower
number
of
experiments,
evaluation
variable
interactions,
correct
analysis
overlapping
data).
In
the
work,
CCD
ANN
were
used
for
an
cell
with
dimensionally
stable
electrodes
modified
IrO₂
alkaline
electrolyte
solution,
optimization
HHO
gas
generator.
With
it
was
possible
to
maximize
generation
(64.85
g/LNaOH
10.2
amp)
a
low
standard
deviation
(0.004),
R-sq
98.02%,
(pred)
92.04%,
demonstrated
that
data
fitted
properly
theoretical
model.
An
trained
from
large
set,
obtaining
recovery
values
close
100%,
R
1
training
(0.9894)
test
stages
(0.9677),
good
fit
according
Chi-squared
predictive
both
stages;
this
solve
issues
production
system.
The
results
indicate
are
viable
alternatives
increase
performance
Sustainability,
Journal Year:
2025,
Volume and Issue:
17(6), P. 2516 - 2516
Published: March 13, 2025
Innovative
and
creative
solutions
are
needed
to
reduce
the
substantial
carbon
footprint
of
concrete
industry
using
low-carbon
materials.
Biochar
has
been
recognised
as
an
environmentally
efficient
material
for
production.
Also,
it
is
required
build
interpretable
predictive
models
advance
modelling-based
mix
design
optimisation.
This
study
uses
biochar
a
cement
substitute
in
assesses
mechanical
strength
lab
tests
followed
by
modelling
approaches.
Two
types
derived
from
olive
pits
wood
were
used
2.5
5
wt.%
cement.
Cubes,
cylinders,
beams
cast
test
concrete’s
compressive,
tensile,
flexural
strength.
The
data
develop
validate
prediction
compressive
(CS)
linear
regression
gene
expression
programming
(GEP)
techniques.
Moreover,
SHapley
Additive
exPlanation
(SHAP)
analysis
was
performed
evaluate
influence
parameters
on
CS.
results
showed
that
pit
more
effective
enhancing
than
due
reduced
particle
size.
optimal
replacement
levels
CS
split
tensile
GEP
model
effectively
captured
non-linear
behaviour
accurate
approach
adopted
this
can
be
optimise
formulations
concrete.
These
findings
highlight
potential
sustainable
substitute,
contributing
development
greener
with
improved
performance.
Integrating
into
production
significantly
lower
industry’s
footprint,
promoting
responsible
construction
practices
while
maintaining
structural
integrity.
Chemosphere,
Journal Year:
2025,
Volume and Issue:
379, P. 144415 - 144415
Published: April 18, 2025
Natural
biocomposites
offer
promising
alternatives
to
petroleum-based
composites
thanks
their
biocompatibility,
sustainability,
and
low
environmental
impact.
However,
they
must
also
demonstrate
competitive
mechanical
properties
adaptability
manufacturing
processes.
To
this
end,
we
developed
cellulosic
using
plasticized
cellulose
acetate
(PCA)
reinforced
with
fibers
at
loadings
from
30
50
wt%.
Mechanical
were
determined
tensile,
bending,
impact
tests
interfacial
bonding
was
analyzed
scanning
electron
microscopy
(SEM).
Results
showed
that
the
adhesion
of
wt%
increased
Young's
modulus
by
300
%
tensile
strength
12
%.
Flexural
improved:
flexural
1.52
GPa
5
for
PCA
maximum
fiber
loading,
43.3
MPa
54
strength.
elongation
break
decreased
increasing
content,
13.5
0.8
%,
along
a
74
decrease
in
SEM
results
revealed
good
dispersion,
adhesion,
porosity,
pullout.
These
underscore
potential
as
eco-friendly
high-value
utilizations,
including
electronic
dielectric
applications.
