The
efficient
conversion
of
cellulose
to
high
value-added
products
is
important
for
the
utilization
biomass.
Achieving
hydrolysis
and
timely
separation
essential
target.
Herein,
a
modified
sulfonated
graphene
oxide/polydopamine
deposited
polyethersulfone
(mGO(SO3H)-PDA/PES)
membrane
reactor,
combining
in
same
unit
effect
effect,
was
prepared
by
suction
filtration
subsequent
polymerization
adhesion
mGO(SO3H)
on
surface.
structure
PES
deposition
PDA
regulated
sure
that
small
molecules
can
pass
through
membrane,
while
could
not.
As
result,
mGO(SO3H)-PDA/PES
realized
under
cross-flow
circulation
mode
at
0.1
MPa,
avoiding
further
degradation
reducing
sugar
products.
yields
total
(TRS)
glucose
separated
hydrolysate
reached
93.2%
85.5%,
respectively.
This
strategy
provides
potential
guidance
cellulose.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(29)
Published: June 3, 2024
Abstract
Engineering
a
catalytic
membrane
capable
of
efficiently
removing
emerging
organic
microcontaminants
under
ultrahigh
flux
conditions
is
significance
for
water
purification.
Herein,
drawing
inspiration
from
the
functional
attributes
lymphatic
vessels
involved
in
immunosurveillance
and
fluid
transport
with
minimal
energy
consumption,
novel
hierarchical
porous
engineered.
This
membrane,
based
on
an
innovative
nitrogen‐rich
conjugated
microporous
polymer
(polytripheneamine,
PTPA),
synthesized
using
electrospinning
coupled
situ
polymerization
approach.
The
resulting
bioinspired
channels
comprises
thin
layer
(≈1.7
µm)
crosslinked
PTPA
nanoparticles
covering
interconnected
electrospun
nanofibers.
unique
design
creates
intrinsic
angstrom‐confined
system
activating
peroxymonosulfate
(PMS)
to
generate
98.7%
singlet
oxygen
(
1
O
2
),
enabling
durable
highly
efficient
degradation
microcontaminants.
Additionally,
presence
mesoporous
structure
between
macroporous
within
interwoven
nanofibers
enhances
mass
transfer
efficiency
facilitates
high
rates.
Notably,
prepared
demonstrates
enduring
high‐efficiency
performance
superior
permeance
(>95%
>2500
L
m
−2
h
−1
bar
)
sustained
over
100
h.
work
introduces
pathway
high‐performance
membranes
removal
Advanced Sustainable Systems,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 26, 2025
Abstract
Fabrication
of
a
photocatalyst
with
the
desired
characteristics
high
charge
isolation
and
expeditious
photocatalytic
performance
is
crucial
in
photocatalysis.
Constructing
an
interfacial
chemically
bonded
S‐scheme
heterojunction
effective
path
to
realization
transfer
performance.
Herein,
Mg‐Bi
2
O
3
/dark
gray
g‐C
N
4
(MBOdCN)
Bi‐N
bond
bridges
successfully
constructed
using
situ
calcination
strategy
for
oxytetracycline
(OTC)
degradation.
The
MBOdCN
(1:5)
displays
outstanding
efficiency
rate
constant
99.56%
0.0235
min
−1
,
respectively.
synergy
n‐π*
transition,
Mg
defects,
Bi–N
enhances
heterojunction.
X‐ray
photoelectron
spectroscopy
(XPS)
analysis,
work
function
measurements,
density
functional
theory
(DFT)
reveal
formation
In
this
system,
trapping
experiments
electron‐spin
resonance
(ESR)
confirm
predominance
•
−
>
h
+
OH
during
OTC
degradation
pathways
byproducts
are
investigated
LC‐MS
toxicity
study
undertaken
on
materials.
This
provides
holistic
understanding
novel
by
introducing
chemical
defects
as
dual
channels.
Small,
Journal Year:
2024,
Volume and Issue:
20(34)
Published: April 9, 2024
Abstract
Chemically
converted
graphene
oxide
laminate
membranes,
which
exhibit
stable
interlayered
nanochannels
in
aqueous
environments,
are
receiving
increasing
attention
owing
to
their
potential
for
selective
water
and
ion
permeation.
However,
how
the
molecular
properties
of
conversion
agents
influence
stabilization
effectively
stabilized
have
rarely
been
studied.
In
this
study,
mono‐,
di‐,
tri‐saccharide
molecules
glucose
(Glu),
maltose
(Glu2),
maltotriose
(Glu3)
utilized,
respectively,
chemically
modify
(GO).
The
aim
is
create
with
different
levels
stability
investigate
these
functional
affect
separation
performance.
effects
property
differences
between
on
nanochannel
demonstrated.
An
agent
efficient
chemical
reduction
GO
limited
intercalation
resulting
ensures
satisfactory
during
desalination.
membrane
exhibits
a
permeance
0.69
L
m
−2
h
−1
bar
excellent
Na
2
SO
4
rejection
96.42%.
Furthermore,
optimized
demonstrates
enhanced
under
varying
external
conditions
compared
original
GO.
This
study
provides
useful
information
design
development
membranes
precise
separation.
