Polymers for Advanced Technologies,
Год журнала:
2025,
Номер
36(2)
Опубликована: Фев. 1, 2025
ABSTRACT
This
work
focused
on
the
photocatalytic
degradation
of
amoxicillin
using
recently
developed
FeMoO
4
/chitosan/CdO
nanocomposite
(FeMoO
/CS/CdO).
The
most
typical
antibiotic,
amoxicillin,
raises
environmental
threats
due
to
its
persistence
in
aquatic
environments.
Amoxicillin,
extensively
utilized
as
an
has
concerns
existence
nanocomposite,
comprising
iron
molybdate
),
chitosan
(CS),
and
cadmium
oxide
(CdO)
nanoparticles,
was
synthesized
couple
distinct
properties
each
constituent,
enhancing
overall
functionality.
FCC‐NC
characterized
by
presence
clearly
defined
peaks
infrared
(IR)
spectra,
ultraviolet–visible
(UV–Vis)
x‐ray
diffraction
(XRD)
patterns.
We
studied
(AXM)
/CS/CdO
nanocomposite.
Under
ideal
conditions
(40
mg
catalyst
dosage
10
mg/L
initial
AXM
concentration),
we
achieved
a
efficiency
roughly
90.8%,
following
pseudo‐first‐order
kinetics
with
rate
constant
0.0222
min
−1
.
immobilized
2
more
photocatalytically
active
than
bare
because
it
exhibited
less
charge
carrier
recombination,
according
EIS
PL
analysis.
Hence,
vast
opportunity
long‐term
mechanism
eradicating
pharmaceutical
pollutants
water.
study
shows
that
obtained
results
may
be
useful
field
cleanliness
water
purification
technologies.
Nanomaterials,
Год журнала:
2025,
Номер
15(6), С. 432 - 432
Опубликована: Март 11, 2025
As
the
most
promising
techniques
for
refractory
antibiotic
degradation
in
wastewater
management,
sulfate
radical-based
advanced
oxidation
processes
(SR-AOPs)
have
attracted
considerable
attention.
However,
systematic
studies
on
potassium
peroxymonosulfate
(PMS)
activation
by
MOF-derived
metal
oxides
coated
with
LDH
materials
are
still
lacking.
In
this
work,
a
series
of
catalysts
consisting
CoCu-MOFs
CuAl/LDH
were
synthesized
PMS
removal
sulfamethoxazole
(SMX).
expected,
catalyst
showed
high
SMX
and
stability
activation.
CoCu/LDH/PMS
reaction,
was
nearly
100%
after
60
min,
mineralization
reached
53.7%.
The
excellent
catalytic
low
leaching
concentrations
(Co:
0.013
mg/L,
Cu:
0.313
mg/L),
as
detected
ICP.
Sulfate
radicals
hydroxyl
identified
dominant
reactive
species
system.
Moreover,
presence
1O2
process
revealed
coupling
non-radical
radical
processes.
XPS
results
that
layered
structure
CoCu/LDH
promoted
recycling
ions
(high
valence),
which
facilitated
heterogeneous
effects
different
reaction
conditions
reuse
cycles
also
determined.
pathways
proposed
based
intermediates
LC/MS.
activity
provide
new
mechanistic
understanding
their
potential
utilization
practical
treatment.
Processes,
Год журнала:
2024,
Номер
12(8), С. 1614 - 1614
Опубликована: Авг. 1, 2024
In
this
paper,
BiVO4/CeVO4
composites
were
synthesized
by
hydrothermal
method
for
photodegradation
of
norfloxacin
(NFX)
under
visible
light
irradiation.
The
structure,
morphologies,
and
optical
properties
as-prepared
samples
studied
with
XRD,
SEM,
BET,
DRS,
PL,
XPS,
EIS,
TPR.
results
the
photocatalytic
experiments
demonstrated
that
had
more
degradation
performance
NFX
compared
pure
BiVO4
or
CeVO4,
which
was
attributed
to
increased
absorbance
intensity
light,
reduced
carrier
coincidence
rate,
improved
charge
separation
efficiency.
Furthermore,
possible
mechanism
on
irradiation
proposed
according
activity
free
radicals
trapping
experiments.
