Angewandte Chemie,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 28, 2025
Abstract
Conventional
alkane/water
interfacial
polymerization
encounters
significant
challenges
in
constructing
polyamide
membranes
with
precise
nanoconfinement.
This
requires
advanced
strategies
that
simultaneously
slow
the
diffusion
kinetics
and
suppress
side
reactions,
facilitating
formation
of
a
well‐defined
pore
architecture.
Herein,
we
introduced
an
alkane/deep
eutectic
solvent
(DES)
approach,
allowing
preparation
ultraselective
permeable
membranes.
The
DES,
acting
as
anhydrous
solvent,
effectively
prevents
while
its
robust
hydrogen
bonding
network
finely
regulates
behavior
amine
monomers
induces
assembly
oligomers,
affording
membrane
uniform
subnanometer
pores.
Notably,
strong
DES
enhances
solvation
monomers,
which
further
promotes
tuning
structures
functions.
produced
using
specific
(D‐PA)
revealed
exceptional
NaCl/Na
2
SO
4
(165.8)
separation
selectivity,
order
magnitude
larger
than
conventional
membranes,
coupled
impressive
water
permeance
up
to
18.4
L
m
−2
h
−1
bar
.
strategy
offers
paradigm
shift
fabrication
for
purification
system.
Applied Organometallic Chemistry,
Journal Year:
2025,
Volume and Issue:
39(5)
Published: April 10, 2025
ABSTRACT
Binary
metal
oxides
hold
immense
potential
in
catalysis;
however,
their
efficient
utilization
remains
a
significant
challenge.
Zinc
tungstate
(ZnWO
4
)
was
loaded
onto
graphitic
carbon
nitride
(g‐C
3
N
via
highly
and
energy‐saving
room‐temperature
stirring
method
to
prepare
ZnWO
/g‐C
(ZnWO/CN)
composite
with
sandwich
structure
for
oxidative
desulfurization.
The
appearance,
structure,
stability
of
ZnWO/CN
were
characterized
by
X‐ray
diffraction
(XRD),
Fourier
transform
infrared
(FT‐IR)
spectroscopy,
photoelectron
spectroscopy
(XPS),
some
other
characterization
tests.
Results
demonstrate
the
successful
incorporation
nanoparticles
within
layered
porous
g‐C
,
achieving
dispersed
state.
In
addition,
exhibits
significantly
higher
specific
surface
area
enhanced
compared
pure
effectively
mitigates
propensity
towards
agglomeration.
catalytic
performance
evaluation
indicates
that
(30
wt%)
achieves
exceptional
desulfurization
efficiency
at
lower
preparation
cost.
A
near‐complete
sulfur
removal
rate
99.89%
achieved
180
min
under
optimized
conditions
(
m
(catalyst)
20.00
mg,
V
(ILs)/
(Oil)
1/20,
(H
2
O
0.2
mL,
80°C).
Furthermore,
catalyst
retained
high
even
after
eight
consecutive
cycles.
Notably,
adsorption
affinity
reactants
enabled
reduction
ionic
liquid
dosages.
By
combining
testing,
quenching
experiment,
EPR
test,
reaction
mechanism
oxidation
ultimately
obtained.
this
provides
research
ideas
new
supported
catalysts.
