Crystalline
phase
engineering
is
a
prominent
strategy
for
synergistically
optimizing
the
sur-face-body
phases
of
catalyst.
In
this
work,
TiO2
nanosheets
assembled
into
nanotubes
(TNSTs)
with
two-phases
anatase
and
rutile
were
firstly
synthesized
via
crystal
by
simple
thermal
annealing,
subsequently
loaded
Ru
nanoparticles
to
create
efficient
benzene
hydrogenation
catalyst
Ru/TNSTs.
The
well-
designed
nanosheet-tubes
structure
boasts
large
specific
surface
area
excellent
transmission
channels,
which
effectively
prevents
ag-glomeration
deactivation
nanoparticles,
as
well
promotes
internal
diffu-sion
in
reaction
process
cyclohexene.
Furthermore,
titanium
dioxide
contain
numerous
Ti3+
defects,
not
only
improves
overall
generation
rate
cyclohexene,
but
also
enhances
suppression
cyclohexene
adsorption.
Most
importantly,
increases
ratio
electron
defi-ciencies
desorption.
These
synergistic
properties
enhance
selectivity
efficiency
Ru/TNSTs
catalysts,
resulting
performance
Especially
Ru/TNSTs-4
achieves
95%
in-itial
51%
yield
reaction,
outperforming
most
supported
Ru-based
catalysts.
This
work
may
provide
new
perspectives
designing
catalysts
crystalline
engineering.
Energies,
Год журнала:
2024,
Номер
17(5), С. 1172 - 1172
Опубликована: Март 1, 2024
Nowadays,
there
is
an
intense
debate
in
the
European
Union
(EU)
regarding
limits
to
achieve
Green
Deal,
make
Europe
first
climate-neutral
continent
world.
In
this
context,
are
also
different
opinions
about
role
that
thermal
engines
should
play.
Furhermore,
no
clear
proposal
possibilities
of
use
green
hydrogen
transport
decarbonization
process,
even
though
it
be
a
key
element.
Thus,
still
precise
guidelines
hydrogen,
with
being
exclusively
used
as
raw
material
produce
E-fuels.
This
review
aims
evaluate
applying
alternative
technologies
available
successfully
complete
process
already
underway
Climate
Neutrality
by
2050,
depending
on
maturity
currently
available,
and
those
anticipated
coming
decades.
Catalysis Communications,
Год журнала:
2023,
Номер
182, С. 106741 - 106741
Опубликована: Авг. 1, 2023
This
review
delves
into
the
potential
of
renewable
biomass
for
green
diesel
production.
Deoxygenation
technology
offers
a
promising
method
converting
biomass-derived
oxygenates
oil
high-grade
hydrocarbon
factions.
Hence,
various
deoxygenation
pathways
conversion
under
free‑hydrogen
environment
were
explored.
Additionally,
prospects
acid-base
bifunctional
catalysts
to
facilitate
was
discussed,
highlighting
correlation
between
physicochemical
properties
and
catalytic
activity.
However,
it
should
be
noted
that
characteristics
contribute
breaking
CO
bonds
oxygenated
via
undesirable
pathways,
which
contributed
unfavorable
by-product
catalyst
deactivation.
Catalysis Communications,
Год журнала:
2023,
Номер
181, С. 106737 - 106737
Опубликована: Июль 23, 2023
The
textural
properties
and
surface
chemistry
of
activated
carbon
support
are
commonly
known
to
have
influence
on
the
catalytic
performance
catalysts.
Many
authors
assessed
effect
in
deoxygenation
triglycerides.
This
review
focuses
reconciling
literature
role/relevance
triglycerides
into
diesel-like
hydrocarbons.
It
is
revealed
that
different
(AC)
exhibit
distinct
effects
behaviors
supported
catalyst.
degree
both
AC
varies
with
nature
Energy & Fuels,
Год журнала:
2024,
Номер
38(5), С. 4464 - 4479
Опубликована: Фев. 27, 2024
Active
catalysts
for
simultaneous
hydrodeoxygenation
(HDO)
and
hydrodenitrogenation
(HDN)
enable
the
production
of
fuels
from
renewable
feedstocks.
In
this
work,
zirconia-supported
nickel,
ruthenium,
rhodium,
palladium,
platinum
were
evaluated
in
HDO
HDN
n-hexadecanamide
(C16
amide).
The
1-hexadecylamine
amine)
was
studied
separately
to
assess
activity
preference
between
C–C
C–N
bond
cleavage
routes
without
interference
HDO.
differences
catalytic
mainly
attributed
metal
identity.
Pt/ZrO2
Ru/ZrO2
exhibited
highest
toward
conversion
both
model
compounds.
C16
amide
converted
more
efficiently
than
amine
over
catalysts,
a
high
did
not
translate
HDN,
which
particularly
evident
case
Rh/ZrO2.
active
strongly
influenced
preferred
reaction
routes,
as
observed
yields
C15
n-paraffins
C32
condensation
products.
Ni/ZrO2
Pd/ZrO2
lowest
paraffin
selectivity
hydrotreatment
Rh/ZrO2
favored
formation
n-pentadecane
amide,
whereas
produced
n-hexadecane
intermediate