Tuijin Jishu/Journal of Propulsion Technology,
Journal Year:
2023,
Volume and Issue:
44(3), P. 3988 - 4006
Published: Nov. 22, 2023
This
systematic
review
delves
into
the
mechanisms
of
catalytic
reactions
on
K10
clay,
synthesizing
a
wealth
experimental
and
computational
insights
to
offer
comprehensive
understanding.
The
versatility
clay
is
dissected
across
diverse
reactions,
including
esterification,
aldol
condensation,
methane
activation,
biomass
conversion,
redox
ester
hydrolysis,
tandem
reactions.
Thematic
analysis
unravels
broad
spectrum
applications
for
emphasizing
need
nuanced
understanding
reaction-specific
mechanisms.
A
critical
comparative
approaches
showcases
their
complementary
roles
in
unraveling
intricacies
catalysis.
quality
assessment
process
underscores
methodological
rigor
individual
studies,
guiding
interpretation
findings.
Practical
implications
environmental
remediation,
fine
chemical
synthesis,
industrial
processes
are
discussed,
accompanied
by
identified
gaps
that
delineate
future
research
directions.
not
only
advances
but
also
serves
as
template
explorations
dynamic
realm
materials.
With
foundation
built
rigorous
thoughtful
integration
findings,
this
aims
inspire
continued
innovation
investigation
field
catalysis
research.
Chemical Engineering Journal,
Journal Year:
2023,
Volume and Issue:
475, P. 146056 - 146056
Published: Sept. 13, 2023
Pyrolysis
oil
(PO)
assisted
Kraft
lignin
(KL)
liquefaction
over
an
unsupported
NiMoS
catalyst
in
a
paraffin
solvent
was
explored
this
work.
A
used
to
represent
hydrogenated
vegetable
(HVO)
which
is
bio-fuel.
We
have
for
the
first
time
showed
that
when
co-processing
with
pyrolysis
char
formation
could
be
completely
suppressed.
The
complex
composition
of
PO,
containing
various
compounds
different
functional
groups,
able
aid
depolymerization
pathways
by
obstructing
condensation
path
reactive
derivatives.
To
further
understand
role
groups
present
during
liquefaction,
we
investigate
co-hydroprocessing
oxygenate
monomers
using
NiMoS.
4-propylguaiacol
(PG)
found
most
efficient
monomer
stabilizing
intermediates,
resulting
low
yield
(3.7%),
4
times
lower
than
production
from
hydrotreatment
alone.
suppressed
rate
fragment
repolymerization
can
attributed
synergistic
effect
like
hydroxyl
(–OH),
methoxy
(–OCH3),
and
propyl
(-C3H7)
PG.
These
were
stabilize
depolymerized
fragments
blocked
routes
enabling
depolymerization.
It
presence
co-reactant
PG
heating
period
reactor
acted
as
blocking
agent
facilitating
routes.
Finally,
reaction
network
proposed
describing
multiple
hydroconversion
solid
char,
lignin-derived
monomers,
dimers,
oligomers,
explaining
why
formation.
Polymers,
Journal Year:
2025,
Volume and Issue:
17(6), P. 776 - 776
Published: March 14, 2025
This
article
considers
modern
approaches
to
obtaining
synthetic
oil
from
unconventional
hydrocarbon
feedstocks,
including
plastic
waste,
tires,
biomass,
coal,
and
extra-heavy
oil.
Particular
attention
is
paid
multi-stage
technologies,
such
as
pyrolysis,
catalytic
depolymerization,
gasification
followed
by
Fischer–Tropsch
synthesis,
hydrocracking
of
heavy
residues.
The
important
role
catalysts
in
increasing
the
selectivity
economic
efficiency
processes
noted:
nanostructured,
bifunctional,
pollution-resistant
systems
are
increasingly
used.
Economic
factors
influencing
competitiveness
this
industry
considered,
volatility
prices
for
traditional
oil,
government
support
measures,
development
waste
logistics
infrastructure.
It
emphasized
that
strengthening
position
associated
with
growth
environmental
requirements
stimulating
recycling
plastics,
biomass;
at
same
time,
compliance
high
standards
transparency
emission
control
play
a
critical
social
aspects
projects.
In
addition
improving
situation,
contributes
creation
jobs,
resolution
problems
shortage
classical
fields,
increase
energy
security.
concluded
further
improvement
technologies
integration
into
industrial
clusters
can
turn
sphere
significant
component
future
sector.
Molecules,
Journal Year:
2025,
Volume and Issue:
30(8), P. 1699 - 1699
Published: April 10, 2025
Growing
concern
about
anthropogenic
climate
change
and
the
continuous
increase
in
energy
demand
have
driven
need
to
explore
new
sources,
particularly
transportation
sector.
Biodiesel
is
one
of
most
widely
used
biofuels,
but
its
disadvantages
restrict
use
blends
with
conventional
diesel.
A
better
alternative
green
diesel,
a
hydrocarbon
biofuel
that
can
be
pure
form
produced
through
catalytic
deoxygenation
vegetable
oils.
In
this
study,
NiMoAl
catalyst
derived
from
layered
double
hydroxides
(LDHs)
was
synthesized
for
rapeseed
oil
produce
The
characterized
using
IR,
XRD,
BET
analysis.
reactions
were
carried
out
batch
reactor,
parameters
such
as
temperature,
pressure,
loading,
reaction
time
examined.
results
demonstrated
complete
conversion
achieved
under
optimal
conditions
(320
°C,
40
bar
H2,
4
wt%
catalyst),
diesel-range
content
over
90%.
recyclability
also
evaluated,
showing
sustained
activity
multiple
cycles
while
maintaining
high
selectivity
toward
hydrocarbons
diesel
range.
