In situ synthesis of Prussian blue@MXene membranes for high-efficient ion sieving in desalination
Journal of Membrane Science,
Год журнала:
2025,
Номер
unknown, С. 123832 - 123832
Опубликована: Фев. 1, 2025
Язык: Английский
Thin-film composite electro-nanofiltration membrane for one-step and efficient fractionation of dyes and salts in high-salinity textile wastewater
Desalination,
Год журнала:
2024,
Номер
591, С. 118056 - 118056
Опубликована: Авг. 28, 2024
Язык: Английский
Novel PA/PVDF hollow fiber nanofiltration membrane with high permeability and Ca2+/antibiotics selectivity for drinking water purification
Yuanhui Tang,
Jihao Zhu,
Huifang Yu
и другие.
Advanced Membranes,
Год журнала:
2024,
Номер
4, С. 100102 - 100102
Опубликована: Янв. 1, 2024
Emerging
contaminants,
including
antibiotics,
threaten
water
safety
and
public
health.
To
remove
these
contaminants
while
retaining
beneficial
minerals
in
water,
such
as
calcium
(Ca),
a
novel
thin-film
composite
nanofiltration
(NF)
membrane
was
manufactured
through
polymerization
of
barrier
layer
composed
polypiperazine
amide
onto
polyvinylidene
fluoride
(PVDF)
hollow
fiber
(HF)
substrate.
The
pore
size
the
PVDF
surface
refined
by
introducing
poly(vinylpyrrolidone)
via
thermally
induced
phase
separation
method.
Then
piperazine
(PIP)
trimesoyl
chloride
were
selected
to
synthesize
NF
interfacial
with
NaHCO3
an
additive.
influence
PIP
concentration
on
morphology
performance
investigated.
optimized
HF
(NF3)
exhibited
high
permeability
(8.08
L/(m2
h
bar))
due
its
strong
hydrophilicity.
It
also
demonstrated
molecular
weight
cut-off
378
Da
enhanced
negative
charge
(−43.96
mV),
which
for
exclusion
antibiotics
passage
Ca2+.
tetracycline
rejection
(98.9
%)
enabled
NF3
achieve
superior
Ca2+/antibiotic
selectivity
(37.27)
compared
most
commercially
available
membranes.
This
study
offers
insights
into
tailoring
mineral/micropollutant
membranes
drinking
purification.
Язык: Английский
Thin-film nanocomposite polyamide membrane doped with imine-based covalent organic frameworks nanosphere for precise ion sieving
Journal of Membrane Science,
Год журнала:
2025,
Номер
unknown, С. 123908 - 123908
Опубликована: Фев. 1, 2025
Язык: Английский
Anti‐fouling loose polyamide nanofiltration membrane preparation by biodegradable sophorolipids for precise separation of simulated dyeing wastewater
Xin‐Xi Ding,
Cheng Jiang,
Ming Li
и другие.
Journal of Chemical Technology & Biotechnology,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 7, 2024
Abstract
Background
Strengthening
the
recycling
and
utilization
of
resources
is
deeply
significant
in
achieving
carbon
neutrality.
The
nanofiltration
membranes
possess
separation
ability
within
nanoscale
by
utilizing
special
pore
size
ranges
surface
charge
properties,
showing
great
application
prospects
resource
recycling.
commercial
are
mainly
prepared
interfacial
polymerization
with
fast
reaction
speed
easy
scaling‐up
advantages.
However,
obtained
polyamide
dense
selective
layers
low
permeance
efficiency
to
molecules.
Herein,
biodegradable
surfactant
sophorolipid
was
added
aqueous
solution
improve
performance
membranes.
Results
Compared
traditional
membranes,
sophorolipid‐modified
membrane
improved
from
3
18
L·m
−2
·h
−1
·bar
.
modified
showed
high
rejection
dyes
large
molecular
structures
those
small
structures.
Conclusion
may
separate
mixed
dye
congo
red
(molecular
weight
696.66
g/mol)
indigo
carmine
407.98
red/NaCl
precisely.
Besides,
good
anti‐fouling
properties
long‐term
stability
test.
This
study
offer
research
significance
for
treatment
printing
dyeing
wastewater.
©
2024
Society
Chemical
Industry
(SCI).
Язык: Английский