An innovative strategy for polyester microplastic fiber elimination from laundry wastewater via coupled separation and degradation using TiO2-based photocatalytic membrane reactor
Separation and Purification Technology,
Год журнала:
2024,
Номер
unknown, С. 129929 - 129929
Опубликована: Сен. 1, 2024
Язык: Английский
Organic–Inorganic Modification of PVDF Membranes by PDA@ZnO and PDA@MgO Nanoparticles for Enhanced Performance of Organic Dye Wastewater Treatment
Langmuir,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 6, 2025
Polyvinylidene
fluoride
(PVDF)
membranes
represent
a
potential
technology
for
the
in-depth
treatment
of
organic
dye-containing
wastewater.
Nevertheless,
intractable
membrane
fouling
and
limited
versatility
have
significantly
constrained
its
applications.
Herein,
through
nonsolvent-induced
phase
inversion
method,
we
successfully
fabricated
PDA@MgO/PVDF
PDA@ZnO/PVDF
membranes,
which
are
modified
by
synergistic
action
MgO
or
ZnO
nanoparticles
with
polydopamine
(PDA),
respectively.
Fourier
transform
infrared
spectroscopy
(FTIR),
X-ray
diffraction
(XRD),
scanning
electron
microscopy
(SEM),
as
well
analyses
pore
structure,
contact
angle,
surface
free
energy,
were
utilized
to
characterize
hybrid
membranes.
The
results
demonstrate
that
modification
PDA@MgO
PDA@ZnO
can
enhance
hydrophilicity,
pure
flux,
dye
rejection,
pollution
resistance
PVDF
enhanced
hydrophilicity
from
increase
in
energy
polar
component
term.
Comparatively,
exhibits
smaller
angle
(69°)
higher
water
flux
(378.63
L/m2·h·bar),
whereas
possesses
greater
mechanical
strength
better
antifouling
performance.
achieve
rejection
rate
94.6%
disperse
deep
blue
79,
recovery
reach
approximately
82%.
This
research
offers
novel
insights
into
application
Язык: Английский
Fabrication of a Novel PES/CNTs@TiO2 Membrane Combining Photo-Electrocatalysis and Filtration for Organic Pollutant Removal
Membranes,
Год журнала:
2025,
Номер
15(3), С. 90 - 90
Опубликована: Март 10, 2025
Membrane
filtration
has
been
widely
used
in
wastewater
treatment;
contaminants
attached
to
the
membrane
surface
led
flux
loss
and
service
life
reduction.
In
present
study,
a
photo-electrocatalysis
was
fabricated
with
CNTs@TiO2
deposited
on
commercial
polyethersulfone
(PES)
(PES/CNTs@TiO2).
XRD
SEM
characterization
proved
that
composites
were
successfully
using
one-pot
hydrothermal
method.
Additionally,
vacuum
distribute
as-prepared
powder
PES
membrane.
CNTs@TiO2,
TiO2
particles
outer
layer
of
CNTs,
which
benefits
light
adsorption
photocatalytic
reaction.
The
hydrophilicity,
absorption
ability,
electron
transfer
rate
PES/CNTs@TiO2
enhanced
compared
pristine
membranes.
Organic
compound
removal
improved
system
improvement
32.41%
for
methyl
orange
(MO),
26.24%
blue
(MB),
7.86%
sulfamethoxazole
(SMZ),
25.19%
florfenicol
(FF),
respectively.
Moreover,
hydrophilicity
could
be
restored
after
pure
water
cleaning,
demonstrating
excellent
reusability.
quenching
experiment
showed
·OH
·O2−
main
reactive
oxygen
species.
This
work
provides
convenient
form
technology
modified
membranes,
great
potential
practical
application.
Язык: Английский
PVDF/CuO–VS4 Dual-Layer Hollow Fiber Photocatalytic Membrane for Bisphenol A Removal with Energy Storage Capability
Korean Journal of Chemical Engineering,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 17, 2025
Язык: Английский
Enhanced hydrophilicity and controlled pore size distribution of polyvinylidene fluoride membranes through segregation and grafting for protein anti-fouling
Desalination,
Год журнала:
2025,
Номер
unknown, С. 118822 - 118822
Опубликована: Март 1, 2025
Язык: Английский
The effects of biaxial strain and sulfur/boron doping on the photocatalytic performance of the g-C3N5 system: A first-principles study
Computational Materials Science,
Год журнала:
2024,
Номер
247, С. 113560 - 113560
Опубликована: Ноя. 24, 2024
Язык: Английский
Electrosprayed MnFe2O4/PVDF Membrane Integrated Microfluidic Chip for Amoxicillin Removal with Real-time Monitoring of pH and Dissolved Oxygen
Journal of environmental chemical engineering,
Год журнала:
2024,
Номер
unknown, С. 114895 - 114895
Опубликована: Ноя. 1, 2024
Язык: Английский
A comparison study on hydrophobic and hydrophilic-mixed matrix membranes for diethanolamine removal
Materials Research Innovations,
Год журнала:
2024,
Номер
unknown, С. 1 - 7
Опубликована: Ноя. 29, 2024
This
study
systematically
compares
Polyvinylidene
fluoride
(PVDF)
and
Polysulfone
(PSf)
mixed-matrix
membranes
(MMMs)
modified
with
graphene
oxide
(GO)
for
diethanolamine
(DEA)
removal.
PVDF
PSf
exhibit
distinct
interactions
GO
due
to
their
inherent
hydrophobic
hydrophilic
properties,
respectively,
influencing
membrane
performance.
Membranes
were
fabricated
using
the
phase
inversion
method
characterized
by
Scanning
Electron
Microscopy
(SEM),
Fourier-Transform
Infrared
Spectroscopy
(FTIR),
Contact
Angle
(CA)
analysis.
Performance
testing
revealed
superior
water
permeability
DEA
rejection
PSf/GO
membranes.
The
PSf/GO-0.5
achieved
91.04%
47.45
L/m²·h·bar
permeability,
outperforming
PVDF/GO-0.5,
which
demonstrated
78.53%
28.32
permeability.
While
improved
performance,
excessive
loading
caused
pore
clogging,
reducing
effectiveness.
highlights
potential
of
efficient
amine
removal,
offering
valuable
insights
wastewater
treatment
applications.
Язык: Английский