Sulfonic acid-functionalized chitosan–metal–organic framework composite for efficient and rapid conversion of fructose to 5-hydroxymethylfurfural
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Март 10, 2024
Abstract
In
pursuit
of
designing
a
bio-based
catalyst
for
the
dehydration
biomass
(i.e.,
fructose)
to
5-hydroxymethylfurfural,
novel
catalytic
composite
was
prepared
by
in-situ
formation
an
Al-based
metal–organic
framework
in
presence
chitosan.
To
enhance
acidity
as-prepared
catalyst,
it
sulfonated
with
chlorosulfonic
acid.
Various
characterization
techniques,
including
XRD,
XPS,
FTIR,
SEM/EDX,
TGA,
and
elemental
mapping
analysis
were
applied
validate
acidic
composite.
Fructose
conditions
also
optimized
using
Response
Surface
Method
(RSM)
found
that
reaction
(23
wt%)
DMSO,
at
110
°C
40
min
led
HMF
97.1%.
Noteworthy,
recyclable
stable
up
five
runs
minor
reduction
its
activity.
Язык: Английский
Oxygen vacancy-induced interfacial Frustrated Lewis Pairs on Co3O4 for selective hydrogenation of 5-Hydroxymethylfurfural to 2,5-Bis(hydroxymethyl)furan
Xiaoqing Liao,
Haishuai Cui,
He’an Luo
и другие.
Chemical Engineering Journal,
Год журнала:
2025,
Номер
509, С. 161231 - 161231
Опубликована: Март 5, 2025
Язык: Английский
Efficient one-pot transformation of furfural to pentanediol over Cu-modified cobalt-based catalysts
Bioresource Technology,
Год журнала:
2024,
Номер
403, С. 130858 - 130858
Опубликована: Май 21, 2024
Язык: Английский
Critical role of the support in the aqueous hydrogenation of 5-hydroxymethylfurfural to 2,5-bis(hydroxymethyl)furan over Pt-based catalysts
Fuel,
Год журнала:
2024,
Номер
372, С. 132147 - 132147
Опубликована: Июнь 14, 2024
Язык: Английский
Oxygen Vacancies Enrichment in Citric Acid‐Assisted Synthesis of Zirconia Supported Ni Catalyst for Highly Selective Hydrogenolysis of 5‐Hydroxymethylfurfural
ChemSusChem,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 9, 2024
Abstract
2,
5‐Dimethylfuran
(DMF),
which
is
a
promising
new‐generation
liquid
biofuel,
has
attracted
widespread
attention
owing
to
the
sustainability
of
biomass‐derived
energy
sources.
In
this
study,
highly
dispersed
zirconia‐supported
nickel
catalyst
(CA−Ni/ZrO
2
)
was
prepared
via
citric
acid‐assisted
wetness
impregnation
for
selective
hydrogenolysis
5‐hydroxymethylfurfural
(HMF)
produce
DMF.
The
characterization
results
confirmed
presence
Zr
3+
species
in
mesoporous
CA−Ni/ZrO
and
formation
oxygen
vacancies
during
its
preparation,
led
large
number
catalytically
active
sites
adsorption
activation
C=O/C−O
groups.
Under
appropriate
reaction
parameters,
an
excellent
DMF
selectivity
99.1
%
HMF
conversion
98.4
were
achieved.
A
suitable
kinetic
model
revealed
that
preferentially
formed
2,5‐dihydroxymethylfuran
intermediate
route,
although
5‐methylfurfural
route
also
observed.
Additionally,
interaction
between
Ni
ZrO
significantly
affected
stability
catalyst.
This
study
will
provide
guidelines
optimizing
catalytic
furan
derivatives
over
heterogeneous
catalysts.
Язык: Английский
Unlocking solid waste utilization: Fly ash-supported cobalt catalyzed transformation of 5-hydroxymethylfurfural into biofuel 2,5-dimethylfuran
Lan Luo,
Sangni Chen,
N.Y. Chen
и другие.
Molecular Catalysis,
Год журнала:
2024,
Номер
567, С. 114467 - 114467
Опубликована: Авг. 23, 2024
Язык: Английский
Enhanced transfer hydrogenation of bio-derived Ethyl levulinate to γ-valerolactone over Zr-based catalysts through a formic acid modification strategy
Ziyi Deng,
Shuaihao Wang,
Chen Chen
и другие.
Molecular Catalysis,
Год журнала:
2024,
Номер
564, С. 114346 - 114346
Опубликована: Июнь 28, 2024
Язык: Английский
Sustainable synthesis of levulinic acid using waste derived silica-alumina-hydroxyapatite supported nano ZrO2 photo-acidic catalyst under synergistic UV-FIR irradiations
Sustainable Chemistry for the Environment,
Год журнала:
2024,
Номер
6, С. 100082 - 100082
Опубликована: Март 11, 2024
A
novel
nano-photocatalyst
has
been
prepared
using
hydroxyapatite
(HAp)
derived
from
waste
fish
scale
and
fly
ash-derived
aluminosilicate
(SiO2-Al2O3)
grafted
with
zirconium
oxide
(ZrO2)
active
sites
by
innovative
photo-hydrothermal
protocol.
The
physiochemical
properties
of
the
photocatalyst
have
characterized
different
analyses
like
TGA,
XRD,
FTIR,
XPS,
UV-VIS-NIR,
BET,
NH3-TPD,
HRTEM,
DLS.
optimal
catalyst
a
loading
20
wt.
%
low
bandgap
energy
2.15
eV
as
confirmed
UV-VIS-NIR
spectroscopy.
also
depicted
high
acidity
1.52
mmol
NH3/g
specific
surface
area
62.872
m²/g.
Owing
to
acidity,
area,
band
gap
led
achieving
an
elevated
yield
76.6%
levulinic
acid
(LA)
glucose
in
hybrid
irradiation
reactor
(HIR)
deploying
UV
FIR
radiations
at
appreciably
temperature
reaction
time
115
℃
2
h
respectively.
Under
same
conditions,
conventionally
heated
(CHR)
gave
very
23.7%.
Individual
radiation
effects
on
LA
evinced
synergistic
advantageous
effect
technique.
reusability
regenerative
study
stability
catalyst.
Also,
comparative
LCA
conducted
between
HIR
CHR
systems
which
revealed
that
was
more
environmentally
sustainable
than
CHR.
-based
process
demonstrated
reduction
59%
global
warming
potential,
70.66%
forest
resource
scarcity,
65%
lower
terrestrial
ecotoxicity
while
being
120%
efficient
CHR-based
making
well
economically
feasible.
Язык: Английский