Petroleum Science and Technology,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 18
Published: Nov. 21, 2024
This
review
emphasizes
the
distinctive
function
of
nanoparticle
catalysts
in
improving
efficiency
and
sustainability
biodiesel
synthesis.
The
application
nanoparticles,
especially
metal
oxides
magnetic
solid
catalysts,
provides
substantial
enhancements
catalytic
activity,
selectivity,
resistance
to
saponification
relative
traditional
catalysts.
Biodiesel,
derived
from
renewable
sources,
including
recycled
oils,
animal
fats,
plant
serves
as
a
sustainable
substitute
for
fossil
fuels.
Nonetheless,
conventional
employed
production
have
difficulties
such
waste
formation
elevated
expenses.
paper
examines
progress
that
exhibit
enhanced
surface
area
efficiency,
rendering
them
more
useful
synthesis
processes.
Furthermore,
it
addresses
linked
expenses
catalyst
recycling
processes
while
providing
perspectives
on
viability
cost-effective
methods.
work's
originality
is
rooted
its
thorough
examination
recent
advancements
nano-catalyst
design
application,
highlighting
creation
sustainable,
efficient,
economical
techniques.
enhances
current
literature
by
exploring
potential
nano-catalysts
transform
promote
transition
energy
alternatives.
Nanomaterials,
Journal Year:
2025,
Volume and Issue:
15(4), P. 256 - 256
Published: Feb. 8, 2025
This
review
explores
the
recent
advancements
in
catalyst
technology
for
hydrogen
production,
emphasizing
role
of
catalysts
efficient
and
sustainable
generation.
involves
a
comprehensive
analysis
various
materials,
including
noble
metals,
transition
carbon-based
nanomaterials,
metal–organic
frameworks,
along
with
their
mechanisms
performance
outcomes.
Major
findings
reveal
that
while
metal
catalysts,
such
as
platinum
iridium,
exhibit
exceptional
activity,
high
cost
scarcity
necessitate
exploration
alternative
materials.
Transition
single-atom
have
emerged
promising
substitutes,
demonstrating
potential
enhancing
catalytic
efficiency
stability.
These
underscore
importance
interdisciplinary
approaches
to
design,
which
can
lead
scalable
economically
viable
production
systems.
The
concludes
ongoing
research
should
focus
on
addressing
challenges
related
stability,
scalability,
integration
renewable
energy
sources,
paving
way
economy.
By
fostering
innovation
development,
this
work
aims
contribute
towards
cleaner
solutions
more
resilient
future.
Buildings,
Journal Year:
2025,
Volume and Issue:
15(3), P. 306 - 306
Published: Jan. 21, 2025
This
study
investigates
the
performance
and
viscoelastic
characteristics
of
unmodified
modified
bitumen
using
Performance
Grading,
Frequency
Sweep,
Linear
Amplitude
Sweep
tests.
The
modifications
include
styrene-butadiene–styrene
at
4%
5%,
animal
bone
powder
concentrations
4%,
6%,
waste
cooking
oil
3%,
5%.
Grading
tests
were
conducted
to
evaluate
high-temperature
samples.
used
analyze
complex
shear
modulus
phase
angle,
providing
insights
into
stiffness
elasticity.
assessed
fatigue
resistance
by
monitoring
degradation
under
cyclic
loading.
Styrene-butadiene–styrene
significantly
enhanced
stiffness,
elasticity,
resistance,
with
styrene-butadiene–styrene-modified
samples
achieving
highest
grades
resistance.
Waste
oil-modified
reduces
indicating
it
primarily
acts
as
a
plasticizer.
are
effective
modifiers
for
improving
bitumen’s
mechanical
properties
suitable
demanding
applications.
In
contrast,
compromises
structural
despite
its
environmental
benefits,
making
less
high-performance
use.
Catalysts,
Journal Year:
2025,
Volume and Issue:
15(3), P. 239 - 239
Published: March 1, 2025
The
transition
to
sustainable
energy
has
given
biodiesel
prominence
as
a
renewable
alternative
diesel.
This
review
highlights
the
development
and
optimization
of
solid
transesterification
catalysts,
contributing
greatly
efficiency
synthesis.
These
heterogeneous
catalysts
are
constituted
titanium-,
zinc-,
bio-based
systems
significant
advantages
such
reusability,
thermal
stability,
ability
be
synthesized
from
low-grade
feedstocks.
Recent
advancements
in
structural
optimization,
with
nano-structured
titanium
dioxide
having
potential
yielding
higher
production
up
yield
96–98%
within
5–7
cycles,
render
improved
stability
catalytic
performance.
Several
characterization
techniques,
Brunauer–Emmett–Teller
method,
X-ray
diffraction,
temperature-programmed
desorption,
instrumental
these
their
effective
design.
However,
despite
substantial
promise,
there
still
problems
dealt
large-scale
production,
regeneration,
service
life
catalysts.
account
collates
recent
innovations,
analytical
mechanisms,
prospective
directions
which
elucidate
furthering
technology
chemicals.
