Gradient Cross‐Linking Graphene Oxide–Integrated Nanofiltration Polyvinylpyrrolidone Membrane for Polycyclic Aromatic Hydrocarbons Removal
International Journal of Polymer Science,
Journal Year:
2025,
Volume and Issue:
2025(1)
Published: Jan. 1, 2025
Polycyclic
aromatic
hydrocarbons
(PAHs)
persist
as
organic
contaminants
within
diverse
water
reservoirs,
posing
significant
environmental
and
health
risks.
Nanofiltration
(NF)
membranes
have
emerged
effective
tools
for
PAHs
removal
owing
to
their
ability
separate
based
on
size.
However,
membrane
fouling
limited
rejection
efficiency
remain
challenges.
This
study
developed
a
novel
gradient
cross‐linking
graphene
oxide
(GO)–integrated
polyvinylpyrrolidone
(PVP)
NF
enhance
while
mitigating
issues.
The
approach
GO
integration
are
aimed
at
improving
the
membrane’s
performance,
stability,
antifouling
properties.
Fourier
transform
spectroscopy
spectra
of
GO‐PVP
showed
new
peaks,
indicating
linkage.
flux
increased
with
concentration
due
hydrophilicity;
however,
decreased
loading
0.5
wt%
poor
distribution.
results
exhibited
higher
72.9
±
2.9
L
m
−2
h
−1
,
obtained
0.4
loading.
Salt
development
large
pores;
hence,
there
is
always
trade‐off
between
salt
rejection.
presents
promising
efficiently
removing
from
sources.
has
potential
be
applied
in
various
treatment
applications,
contributing
improved
quality
protection.
Language: Английский
Synthesis of electrospun polymer nanofiber membranes with TiO2 particles for the photocatalytic degradation of venlafaxine
Chemical Papers,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 7, 2025
Language: Английский
Current Progress on Dual‐Layer Hollow Fiber Mixed‐Matrix Membrane in CO2 Capture
ChemBioEng Reviews,
Journal Year:
2024,
Volume and Issue:
11(3), P. 513 - 542
Published: May 1, 2024
Abstract
Carbon
dioxide
(CO
2
)
is
a
greenhouse
gas
which
mainly
found
in
natural
(NG),
biogas,
and
flue
gas.
Anthropogenic
CO
emissions
are
the
direct
result
of
burning
fossil
fuels.
Meanwhile,
pre‐
postcombustion
separation
current
state
removal
method
an
extensive
manner.
From
environmental,
economic,
transportation
perspectives,
has
driven
development
its
process
technology.
Among
reported
technologies,
membrane‐based
technologies
have
grown
substantially,
breakthroughs
advances
past
decades.
This
review
paper
aims
to
provide
overview
on
competitive
processes,
different
types
membranes
available,
transport
mechanisms,
fabrication
hollow
fiber
membranes,
particularly
dual‐layer
membrane.
The
performance
effect
spinning
parameters
formation
highlighted.
In
addition,
approaches
improve
adhesion,
strategies
enhance
filler
compatibility
mixed‐matrix
post‐treatments
membrane
also
discussed.
Finally,
challenges
future
perspectives
toward
capture,
/CH
4
/N
separation,
included,
due
substantial
relevance
industry.
Language: Английский
Intercalation of GO-Ag nanoparticles in cellulose acetate nanofiltration mixed matrix membrane for efficient removal of chromium and cobalt ions from wastewater
Journal of environmental chemical engineering,
Journal Year:
2024,
Volume and Issue:
12(5), P. 113713 - 113713
Published: July 30, 2024
Language: Английский
Efficient CO2/CH4 Separation Using Polysulfone/NH2-MIL-125(Ti) Mixed Matrix Membranes
Mustafa Alsaady,
No information about this author
Sharjeel Waqas,
No information about this author
Muhammad Hamad Zeeshan
No information about this author
et al.
ACS Omega,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 18, 2025
This
study
investigates
the
fabrication
and
optimization
of
mixed
matrix
membranes
(MMMs)
composed
NH2-MIL-125(Ti),
a
metal–organic
framework
(MOF),
dispersed
within
polysulfone
(PSf)
polymer
matrix,
for
efficient
CO2/CH4
separation.
The
MMMs
were
prepared
by
using
solution
casting
method,
their
morphology
gas
separation
performance
systematically
characterized.
effect
MOF
addition
into
permeability,
selectivity
evaluated
permeation
setup.
Results
indicate
that
incorporating
NH2-MIL-125(Ti)
nanoparticles
enhances
CO2
over
CH4
compared
to
pure
while
maintaining
acceptable
permeability.
membrane
demonstrates
uniform
distribution
filler
in
matrix.
PSf/NH2-MIL-125(Ti)-15%
showed
exceptional
permeability
performance.
Specifically,
it
achieved
19.17
Barrer.
Additionally,
exhibited
31.95,
indicating
its
ability
effectively
differentiate
between
gases,
which
is
critical
applications
such
as
natural
purification
carbon
capture.
Furthermore,
produced
this
outstanding
resistance
plasticization.
demonstrated
superior
pressure
resistance,
withstanding
up
14
bar
without
significant
degradation
pristine
PSf
membrane,
succumbed
plasticization
at
4
bar.
enhanced
attributed
incorporation
combination
high
excellent
selectivity,
robust
positions
highly
effective
applications.
results
underscore
potential
these
achieve
significantly
better
metrics
than
traditional
membranes,
making
them
promising
option
industrial
processes.
Language: Английский