ChemistrySelect,
Journal Year:
2025,
Volume and Issue:
10(6)
Published: Feb. 1, 2025
Abstract
The
global
shortage
of
fresh
water
is
a
critical
issue,
especially
in
regions
with
limited
rainfall.
Developing
reliable
and
wastewater
treatment
technologies
urgent.
Among
the
available
methods,
adsorption
stands
out
as
highly
effective,
straightforward,
cost‐efficient
approach.
It
avoids
use
additional
chemicals
reduces
risk
contaminating
source
undesirable
by‐products.
Chitosan
(CS)‐based
hydrogels
have
gained
attention
for
their
excellent
capacities
pollutants
water.
These
materials
are
also
known
bioavailability,
biocompatibility,
biodegradability,
cost‐effectiveness,
environmental
friendliness,
making
them
promising
candidates
treatment.
This
comprehensive
review
explores
recent
advancements
CS‐based
various
applications,
including
pollutant
removal,
oil‐water
separation,
seawater
desalination,
atmospheric
condensation.
highlights
benefits
this
material
treatment,
providing
broader
understanding
potential
research
community.
focuses
on
synthesis
modification
techniques
these
hydrogels,
such
cross‐linking,
grafting,
ion
imprinting,
which
significantly
enhance
performance
mechanical
stability.
Additionally,
challenges
faced
by
practical
applications
discussed,
along
solutions.
paper
concludes
forecasting
future
directions
field,
offering
valuable
insights
researchers.
Overall,
provides
overview
current
state
art
into
effective
utilization
emphasizing
to
address
pollution
challenges.
Nano Letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 4, 2025
Combining
the
photo-Fenton
catalytic
reaction
with
membrane
separation
technology
can
effectively
treat
oils
and
dyes
in
water.
However,
single
iron-based
catalysts
suffer
from
limited
photogenerated
carrier
utilization
slow
Fe3+/Fe2+
redox
reactions,
leading
to
contamination.
In
this
study,
iron
oxyhydroxide
Prussian
blue
were
grown
on
a
PVDF
membrane,
optimizing
electron
transfer
improve
efficiency
(the
methylene
degradation
was
nearly
50%
10
min
rate
constant
0.094
min-1).
The
flux
for
multicomponent
oily
wastewater
reached
965.3
L·m-2
h-1,
an
over
99.9%
dye
removal
rate.
of
actual
printing
dyeing
after
continuous
filtration
60
373.6
h-1.
Moreover,
mechanisms
explained
detail.
strategy
provided
study
has
certain
practical
application
value
treatment.
