Facile Preparation of Sulfonated Polysulfone Composite Membranes with High Hydrophilicity and Visible-Light Driving Self-Cleaning Performance
Qianqian Wu,
No information about this author
Shuai Wang,
No information about this author
Zhongxu Guo
No information about this author
et al.
ACS Applied Materials & Interfaces,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 8, 2025
The
photo-Fenton
reaction
can
efficiently
degrade
organic
pollutants
and
thus
is
applied
intensively
for
clearing
out
membrane
fouling.
However,
the
pollutant
removal
efficiency
greatly
limited
by
redox
cycle
rate
of
Fe2+/Fe3+
rapid
recombination
photogenerated
electrons
holes.
In
order
to
overcome
these
drawbacks,
a
sulfonated
polysulfone
composite
was
designed
prepared
incorporating
titanium
dioxide
(TiO2)
nanoparticles
into
sequentially
forming
β-FeOOHs
on
surface.
It
found
that
synergy
TiO2
β-FeOOH
enhanced
hydrophilicity
improved
pure
water
flux
membrane.
As
result,
exhibited
superior
separation
performance
methylene
blue
rhodamine
B
cationic
dyes.
rejection
larger
than
99.5%,
125.7
L
m–2
h–1,
largely
surpassing
nanofiltration
membranes.
Meanwhile,
an
excellent
self-cleaning
performance,
achieving
recovery
over
99.7%
after
visible-light
driving
Fenton
treatment.
still
remained
above
97.2%
5
cycles
filtration
recovery,
indicating
strong
treatment
ability
dye
wastewater.
Language: Английский
Fabrication of a Novel PES/CNTs@TiO2 Membrane Combining Photo-Electrocatalysis and Filtration for Organic Pollutant Removal
Yue Lu,
No information about this author
Xing Xuan,
No information about this author
Yi Jiang
No information about this author
et al.
Membranes,
Journal Year:
2025,
Volume and Issue:
15(3), P. 90 - 90
Published: March 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.
Language: Английский
Metal organic frameworks embedded polymeric membranes: A comprehensive review on application in water purification and seawater desalination
Journal of environmental chemical engineering,
Journal Year:
2025,
Volume and Issue:
unknown, P. 116215 - 116215
Published: March 1, 2025
Language: Английский
Enhanced photocatalytic self-cleaning properties of GO membrane with fabrication of hierarchical tin sulfide/bismuth tungstate p-n heterojunction with 2D interfacial coupling for efficient separation of dyes
Yiling He,
No information about this author
Jingcheng Wu,
No information about this author
Xianmin Gong
No information about this author
et al.
Journal of environmental chemical engineering,
Journal Year:
2025,
Volume and Issue:
unknown, P. 116362 - 116362
Published: March 1, 2025
Language: Английский