Communications Materials,
Journal Year:
2024,
Volume and Issue:
5(1)
Published: June 6, 2024
Abstract
Solar-driven
interfacial
water
evaporation
shows
great
potential
to
address
the
global
crisis,
but
its
efficient
implementation
in
presence
of
organic
wastewater
remains
challenging.
Here,
we
achieved
integrated
and
compound
degradation
by
designing
a
multifunctional
MoS
2
membrane.
Under
1.0
sun
irradiation,
membrane
exhibits
an
rate
2.07
kg
m
−2
h
−1
82%
efficiency
pollutants,
with
negligible
pollutant
residues
condensate.
The
high
performance
is
attributed
thermal
energy
generated
process
This
promotes
increase
constant
electron
transfer
during
photocatalytic
reaction,
accelerating
generation
free
radicals
facilitating
removal
pollutants.
study
demonstrated
that
fresh
can
be
collected
from
high-salinity
at
1.56
.
provides
sustainable
approach
addressing
crisis.
Chemical Engineering Journal,
Journal Year:
2024,
Volume and Issue:
486, P. 150207 - 150207
Published: March 6, 2024
Graphene
oxide
membranes
(GO)
hold
immense
potential
in
the
field
of
water
purification.
However,
when
applied
directly
to
real
wastewater
effluents,
pure
GO
suffer
from
drawbacks
such
as
fouling
sensitivity
and
limited
stability.
To
address
these
challenges
unlock
full
membranes,
novel
nanocomposite
have
been
developed
by
intercalation
with
nanoparticles
ZIF-8
(a
type
zeolitic
imidazolate
framework).
The
prepared
GO/ZIF-8
(GZ)
exhibited
enhanced
hydrophilicity
exceptional
purification
capabilities.
Specifically,
GZ
demonstrated
a
permeance
enhancement
over
two-fold
compared
pristine
reference
membrane.
This
is
coupled
anti-fouling
performance
competitive
rejection
rates
for
both
salts
organic
pollutants.
effectively
employed
cross-flow
filtration
3
industrial
effluents.
They
shown
improved
separation
membrane,
high
stability
under
conditions.
origin
performances
membrane
has
clarified
using
structural
morphological
analyses.
work
highlights
significant
progress
made
treatment
graphene-based
membranes.
Discover Nano,
Journal Year:
2024,
Volume and Issue:
19(1)
Published: April 15, 2024
Abstract
Effective
treatment
of
oily
wastewater,
which
is
toxic
and
harmful
causes
serious
environmental
pollution
health
risks,
has
become
an
important
research
field.
Membrane
separation
technology
emerged
as
a
key
area
investigation
in
oil–water
due
to
its
high
efficiency,
low
costs,
user-friendly
operation.
This
review
aims
report
on
the
advances
various
types
membranes
around
emulsion
permeance,
antifouling
stimulus
responsiveness.
Meanwhile,
challenges
encountered
are
examined,
potential
avenues
identified.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 20, 2024
Abstract
A
key
challenge
in
efficient
molecular
separation
is
fabricating
large‐scale,
highly
selective
polymeric
membranes
with
precise
pore
control
at
the
scale.
Herein,
a
new
contorted
monomer
6,6′‐dihydroxy‐2,2′‐biphenyldiamine
(DHBIPDA)
introduced
as
building
block
to
generate
cross‐linked,
ultra‐thin
microporous
nanofilms
(sub‐10
nm)
via
interfacial
polymerization,
enabling
rapid,
and
nanofiltration.
Using
diacyl
chloride
(TPC)
cross‐linker
instead
of
trimesoyl
(TMC)
significantly
reduces
sizes
within
achieves
narrower
distribution
due
semi‐crystalline
structure.
The
film
structures
are
confirmed
using
comprehensive
characterization
techniques
including
wide‐angle
X‐ray
scattering
(WAXS),
diffraction
(XRD),
positron
annihilation
lifetime
spectroscopy
(PALS),
CO
2
adsorption
analysis,
molecular‐scale
simulation.
DHBIPDA/TPC
DHBIPDA/TMC
achieve
methanol
permeance
values
up
16.4
15.1
LMH
bar
−1
coupled
weight
cutoffs
(MWCOs)
low
283
306
Da,
respectively.
membrane
demonstrates
both
higher
selectivity
compared
its
relatively
disordered
counterpart
DHBIPDA/TMC,
consistent
data.
DHBIPDA‐derived
efficiently
separates
dye
mixtures
similar
weights
enables
effective
recycling
organometallic
homogeneous
catalysts,
suggesting
potential
for
industrial
applications.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(19)
Published: Feb. 11, 2024
Abstract
Stimulus‐responsive
membranes
demonstrate
promising
applications
in
switchable
oil/water
emulsion
separations.
However,
they
are
unsuitable
for
the
treatment
of
double
emulsions
like
oil‐in‐water‐in‐oil
(O/W/O)
and
water‐in‐oil‐in‐water
(W/O/W)
emulsions.
For
efficient
separation
these
complicated
emulsions,
fine
control
over
wettability,
response
time,
aperture
structure
membrane
is
required.
Herein,
dual‐coated
fibers
consisting
primary
photothermal‐responsive
secondary
CO
2
‐responsive
coatings
prepared
by
two
steps.
Automated
weaving
produces
with
photothermal‐
characteristics
narrow
pore
size
distributions.
These
exhibit
fast
switching
wettability
between
superhydrophilicity
(under
stimulation)
high
hydrophobicity
near‐infrared
stimulation),
achieving
on‐demand
various
O/W/O
W/O/W
efficiencies
exceeding
99.6%.
Two‐dimensional
low‐field
nuclear
magnetic
resonance
correlated
spectra
technique
used
to
clarify
underlying
mechanism
separation.
The
approach
can
effectively
address
challenges
associated
use
stimulus‐responsive
facilitate
industrial
application
membranes.
Proceedings of the National Academy of Sciences,
Journal Year:
2023,
Volume and Issue:
120(15)
Published: April 3, 2023
In
the
state-of-the-art
membrane
industry,
membranes
have
linear
life
cycles
and
are
commonly
disposed
of
by
landfill
or
incineration,
sacrificing
their
sustainability.
To
date,
little
no
thought
is
given
in
design
phase
to
end-of-life
management
membranes.
For
first
time,
we
innovated
high-performance
sustainable
membranes,
which
can
be
closed-loop
recycled
after
long-term
usage
for
water
purification.
By
synergizing
technology
dynamic
covalent
chemistry,
adaptable
networks
(CANs)
with
thermally
reversible
Diels–Alder
(DA)
adducts
were
synthesized
employed
fabricate
integrally
skinned
asymmetric
via
nonsolvent-induced
separation
technique.
Due
stable
features
CAN,
recyclable
exhibit
excellent
mechanical
properties
thermal
chemical
stabilities
as
well
performance,
comparable
even
higher
than
nonrecyclable
Moreover,
used
consistent
performance
depolymerization
remove
contaminants,
followed
refabrication
into
new
through
dissociation
reformation
DA
adducts.
This
study
may
fill
gaps
recycling
inspire
advancement
a
green
industry.
JACS Au,
Journal Year:
2023,
Volume and Issue:
3(11), P. 3089 - 3100
Published: Nov. 10, 2023
Selective
ion
separation
from
brines
is
pivotal
for
attaining
high-purity
lithium,
a
critical
nonrenewable
resource.
Conventional
methods
encounter
substantial
challenges,
driving
the
quest
streamlined,
efficient,
and
swift
approaches.
Here,
we
present
graphene
oxide
(GO)-based
ternary
heterostructure
membrane
with
unique
design.
By
utilizing
Zn2+-induced
confinement
synthesis
in
two-dimensional
(2D)
space,
incorporated
zeolitic
imidazolate
framework-8
(ZIF-8)
zinc
alginate
(ZA)
polymers
precisely
within
layers
of
GO
membrane,
creating
tunable
interlayer
channels
heterostructure.
The
design
lies
insertion
into
layers,
achieving
meticulous
modulation
layer
spacing
based
on
hydration
radius.
Notably,
ensuing
hybrid
ionic
intercalation
occupies
an
intermediary
realm,
positioned
astutely
between
small-sized
hydrated
their
more
extensive
counterparts.
This
deliberate
configuration
accelerates
passage
diminutive
ions
while
simultaneously
impeding
movement
bulkier
brine
medium.
outcome
remarkable
selectivity,
demonstrated
by
partitioning
K+/Li+
=
20.9,
Na+/K+
31.2,
Li+/Mg2+
9.5
pairs.
ZIF-8/GO
significantly
contributes
to
mechanical
robustness
stability,
improved
ZA/GO
heterostructure,
further
support
its
practical
applicability.
report
reports
advanced
design,
offering
promising
prospects
lithium
extraction
various
processes.
