ACS ES&T Engineering,
Год журнала:
2023,
Номер
3(11), С. 1738 - 1747
Опубликована: Июль 25, 2023
Polyester
(PE)
membranes
have
attracted
a
great
deal
of
attention
due
to
their
notable
chlorine
resistance
and
antifouling
ability.
Despite
the
fact
that
various
polyhydroxy
molecules
been
used
as
aqueous
monomers,
few
capable
attaining
PE
membrane
with
high
separation
ability
small
molecular
organics,
relevant
formation
mechanisms
are
still
unclear.
In
this
study,
three
relatively
dense
polyester
were
obtained
by
optimizing
reaction
conditions,
using
erythritol,
xylitol,
isomalt,
all
which
showed
satisfying
capacities
potential
be
for
applications
requiring
rejections
such
drinking
water
treatment.
Comprehensive
characterization
simulation
conducted
elucidate
process
prepared
different
polyol
monomers.
It
was
demonstrated
physicochemical
properties
performance
jointly
affected
size
polyols
well
hydroxyl
density
activity.
Compared
commercial
NF270
lab-made
polyamide
membranes,
application
advantages,
including
better
performance.
This
study
provides
references
rational
selection
monomers
optimization
in
development
high-performance
membranes.
Polymers,
Год журнала:
2023,
Номер
15(3), С. 540 - 540
Опубликована: Янв. 20, 2023
Nanomaterials
have
been
extensively
used
in
polymer
nanocomposite
membranes
due
to
the
inclusion
of
unique
features
that
enhance
water
and
wastewater
treatment
performance.
Compared
pristine
membranes,
incorporation
nanomodifiers
not
only
improves
membrane
performance
(water
permeability,
salt
rejection,
contaminant
removal,
selectivity),
but
also
intrinsic
properties
(hydrophilicity,
porosity,
antifouling
properties,
antimicrobial
mechanical,
thermal,
chemical
stability)
these
membranes.
This
review
focuses
on
applications
different
types
nanomaterials:
zero-dimensional
(metal/metal
oxide
nanoparticles),
one-dimensional
(carbon
nanotubes),
two-dimensional
(graphene
associated
structures),
three-dimensional
(zeolites
frameworks)
nanomaterials
combined
with
polymers
towards
novel
polymeric
nanocomposites
for
applications.
will
show
combinations
impart
enhanced
into
membrane;
however,
underlying
issues
modification
processes
environmental
impact
are
less
obvious.
highlights
utility
computational
methods
toward
understanding
structural
functional
Here,
we
highlight
fabrication
methods,
advantages,
challenges,
impact,
future
scope
advanced
based
systems
Nanomaterials,
Год журнала:
2022,
Номер
12(20), С. 3637 - 3637
Опубликована: Окт. 17, 2022
Water
shortage
is
a
major
worldwide
issue.
Filtration
using
genuine
polymeric
membranes
demonstrates
excellent
pollutant
separation
capabilities;
however,
have
restricted
uses.
Nanocomposite
membranes,
which
are
produced
by
integrating
nanofillers
into
membrane
matrices,
may
increase
filtration.
Carbon-based
nanoparticles
and
metal/metal
oxide
received
the
greatest
attention.
We
evaluate
antifouling
permeability
performance
of
nanocomposite
their
physical
chemical
characteristics
compare
to
bare
membranes.
Because
antibacterial
decreased
roughness
membrane,
often
greater
properties.
They
also
better
because
increased
porosity
narrower
pore
size
distribution
caused
nanofillers.
The
concentration
affects
performance,
appropriate
determined
both
nanoparticles'
membrane's
composition.
Higher
nanofiller
concentrations
than
recommended
value
result
in
deficient
owing
nanoparticle
aggregation.
Despite
substantial
studies
manufacturing,
most
past
efforts
been
laboratory
scale,
long-term
durability
after
leakage
has
not
thoroughly
examined.
