Catalysts,
Journal Year:
2024,
Volume and Issue:
14(12), P. 878 - 878
Published: Dec. 1, 2024
Imidacloprid
(IMI),
a
widely
used
neonicotinoid
pesticide,
has
led
to
significant
water
contamination
due
excessive
use.
As
result,
there
is
an
urgent
need
for
effective
and
straightforward
methods
remove
IMI
residues
from
water.
Photocatalytic
technology,
integral
part
of
advanced
oxidation
processes,
particularly
promising
its
renewability,
high
catalytic
efficiency,
fast
degradation
ratio,
cost-effectiveness.
This
review
systematically
examines
recent
progress
in
the
photocatalytic
imidacloprid
aqueous
solutions
using
various
solid
catalysts.
It
provides
comparative
analysis
key
factors
affecting
performance,
such
as
catalyst
synthesis
methods,
reaction
times,
loading,
concentrations.
Among
catalysts
studied,
nano-ZnO
achieved
higher
rate
shorter
period
with
reduced
dosage,
reaching
approximately
95%
efficiency
within
one
hour.
Additionally,
this
explores
types
heterojunctions
formed
by
elucidates
mechanisms
involved
IMI.
In
conclusion,
offers
comprehensive
evaluation
removal
water,
serving
important
reference
developing
innovative
aimed
at
eliminating
organic
pollutants
aquatic
environments.
Molecules,
Journal Year:
2025,
Volume and Issue:
30(3), P. 466 - 466
Published: Jan. 22, 2025
Zinc
oxide
(ZnO)
semiconductors
are
renowned
for
their
cost-effective
synthesis
and
superior
catalytic
attributes,
making
them
prominent
in
environmental
remediation
applications.
This
study
presents
the
of
ZnO
nanoparticles
(NPs)
with
distinct
morphologies,
achieved
by
modulating
citric
acid
concentrations
an
ultrasonic-assisted
hydrothermal
process.
The
photocatalytic
efficacy
these
NPs
degrading
malachite
green
(MG),
a
persistent
pollutant,
was
thoroughly
investigated.
Our
findings
reveal
strong
correlation
between
morphological
features
catalysts
photodegradation
performance.
Among
synthesized
NPs,
chrysanthemum-shaped
(denoted
as
USZ-0.1)
demonstrated
exceptional
activity,
attributed
to
its
enhanced
surface
area
optimized
nano-crystal
aggregation.
structure
facilitated
generation
higher
concentration
reactive
oxygen
species,
leading
over
96.5%
degradation
MG
within
40
min
under
simulated
sunlight
acidic
medium.
underscores
potential
manipulation
enhancing
properties
Polymers,
Journal Year:
2025,
Volume and Issue:
17(4), P. 437 - 437
Published: Feb. 7, 2025
The
application
of
membrane
filtration,
particularly
micro-
and
ultra-filtration,
in
food
pharmaceutical
industries
often
faces
the
issue
protein
fouling.
In
this
study,
we
aimed
to
fabricate
a
free-standing
ternary
tungsten
trioxide/carbon
nanotube/zinc
oxide
(WO3/CNT/ZnO)-chitosan
composite
photocatalytic
via
wet
processing
infiltration
techniques
address
fouling
issue.
Infiltration
with
low
molecular
weight
chitosan
was
found
enhance
mechanical
stability
membrane.
0.16
g
photocatalyst
load
demonstrated
86%
efficiency
degradation
bovine
serum
albumin
(BSA)
under
sunlight
irradiation
for
120
min.
A
reduction
permeation
flux
accompanied
by
an
increase
BSA
rejection
observed
as
loading
increased.
This
can
be
associated
decreased
average
porosity
mean
pore
radius.
reasonably
good
antifouling
behavior
Rfr
82%
Rif
18%.
property
is
important
maintaining
reusability
Advanced Sustainable Systems,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 9, 2025
Abstract
The
selective
oxidation
of
glycerol
to
dihydroxyacetone
(DHA)
represents
a
critical
method
for
efficiently
utilizing
glycerol,
primary
byproduct
biodiesel
production.
However,
the
challenge
balancing
catalyst
activity
and
recycling
stability
significantly
limits
practical
application
this
process.
Herein,
conversion
performance
is
effectively
modulated
by
controlling
nanostructure
support
in
Au‐supported
catalysts.
Zinc
oxide
carriers
with
morphologies
nanorods
(NRs),
nanoflowers
(NFs),
nanoparticles
(NPs)
are
successfully
prepared
loaded
Au
obtain
series
Au/ZnO‐Z
Among
them,
composed
flower‐shaped
zinc
nanostructures
NPs
(Au/ZnO‐NF)
exhibits
optimal
performance,
92.9%
DHA
selectivity
69.5%.
Notably,
Au/ZnO‐NF
demonstrates
exceptional
cycling
surpassing
most
currently
reported
catalysts,
maintaining
75.2%
75.1%
even
after
five
cycles.
Comprehensive
characterization
experimental
analysis
demonstrat
that
catalysts
exhibit
low
reduction
temperatures,
smallest
nanoparticle
size,
excellent
crystallinity,
enhance
adsorption
O
2
polyols
at
secondary
hydroxyl
moiety.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 25, 2024
We
report
the
development
of
bioinspired
dipeptide-functionalized
type-II
heterojunctions
for
effective
detection
and
degradation
quinalphos
with
99%
removal
efficiency,
thus
highlighting
new
avenues
sustainable
environmental
remediation.
