ChemistrySelect,
Journal Year:
2024,
Volume and Issue:
9(31)
Published: Aug. 16, 2024
Abstract
Herein,
a
series
of
Cu,
Ni
catalysts
were
synthesized
using
mesoporous
SiO
2
(MCM‐41)
and
fumed
as
supports
for
the
catalytic
hydrogenation
furfural
(FF).
The
MCM‐41
support
facilitated
high
dispersion
nanoparticles
(NPs),
products
are
primarily
in
form
alcohols.
For
,
proper
amounts
acid
sites
contributed
to
better
selectivity
2‐methyltetrahydrofuran(2‐MTHF).
Hydrogenation
results
showed
that
10Cu10Ni/MCM‐41
catalyst
afforded
93.6
%
yield
tetrahydrofurfuryl
alcohol
(THFA),
while
10Cu10Ni/SiO
61.73
2‐MTHF
31.63
THFA.
Meanwhile,
it
is
also
found
impregnating
nickel
salt
before
copper
more
likely
promote
formation
deep
products.
Cyclic
experiments
indicate
developing
one‐step
process
with
selective
production
fully
hydrogenated
still
daunting
challenging
task.
ACS Sustainable Chemistry & Engineering,
Journal Year:
2024,
Volume and Issue:
12(2), P. 904 - 915
Published: Jan. 4, 2024
In
this
study,
a
CeO2-doped
carbon-supported
nickel-based
catalyst
(Ni/XCeO2–C–Y)
was
synthesized
and
applied
to
the
catalytic
depolymerization
of
lignin
its
derivatives.
The
variations
in
CeO2
content
calcination
temperature
are
observed
cause
notable
impact
on
existence
oxygen
vacancies.
results
demonstrated
that
an
optimal
Ni/20%CeO2–C-500
exhibited
excellent
effectiveness
cleavage
β-O-4
bond
ethylbenzene
cyclohexanol
at
180
°C
1
MPa
N2.
system,
isopropanol
is
used
as
hydrogen-donating
solvent
it
can
produce
H2
(detected
by
GC)
during
reaction.
successful
doping
onto
carbon
contributes
formation
interaction
between
carrier
nickel,
causing
more
uniform
dispersion
metallic
Ni.
addition,
selectivity
phenols
real
decreased
from
noncatalytic
71.5
25.4%,
most
were
well
converted
into
cyclohexanols
ketones.
reusability
experiments
revealed
possessed
recycling
regeneration
properties.
ChemSusChem,
Journal Year:
2024,
Volume and Issue:
17(20)
Published: May 18, 2024
Abstract
The
selective
hydrogenation
of
biomass
derivatives
presents
a
promising
pathway
for
the
production
high‐value
chemicals
and
fuels,
thereby
reducing
reliance
on
traditional
petrochemical
industries.
Recent
strides
in
catalyst
nanostructure
engineering,
achieved
through
tailored
support
properties,
have
significantly
enhanced
performance
upgrading.
A
comprehensive
understanding
upgrading
reactions
current
advancement
supported
catalysts
is
crucial
guiding
future
processes
renewable
biomass.
This
review
aims
to
summarize
development
nanocatalysts
US
DOE′s
platform
compounds
into
valuable
upgraded
molecules.
discussion
includes
an
exploration
reaction
mechanisms
conditions
catalytic
transfer
(CTH)
high‐pressure
hydrogenation.
By
thoroughly
examining
tailoring
supports,
such
as
metal
oxide
porous
materials,
nano‐supported
catalysts,
we
elucidate
promoting
role
engineering
endeavor
seeks
establish
robust
theoretical
foundation
fabrication
highly
efficient
catalysts.
Furthermore,
proposes
prospects
field
utilization
address
application
bottlenecks
industrial
challenges
associated
with
large‐scale
