Removal of amoxicillin employing Fenton-type process using delaminated clay and layered double hydroxides impregnated with Fe or Cu as catalysts
Abstract
The
presence
of
antibiotics
in
the
environment
has
raised
concerns
due
to
their
potential
negative
effects
on
ecosystems.
Conventional
water
treatment
methods
are
ineffective
at
removing
antibiotics.
This
study
aims
investigate
efficiency
Fenton-like
processes
catalyzed
by
delaminated
clay
and
layered
double
hydroxides
impregnated
with
Fe
or
Cu
for
degradation
amoxicillin.
catalysts
were
obtained
synthesizing
subsequently
impregnating
them
Cu.
characterization
involved
X-ray
diffraction
(XRD),
scanning
electron
microscopy
(SEM),
fluorescence
(XRF),
N2
adsorption-desorption,
photoelectron
spectroscopy
(XPS).
Catalytic
activity
was
assessed
varying
concentration
hydrogen
peroxide,
initial
amoxicillin,
amount
catalyst.
determination
byproducts
done
high-performance
liquid
chromatography
(HPLC)
a
quadrupole
time-of-flight
mass
spectrometer
(QqTof).
found
that
able
remove
100%
amoxicillin
just
20
min.
identified
16
byproducts,
indicating
process.
Under
all
studied
conditions,
copper
showed
highest
percentage
removal.
Research Square (Research Square), Journal Year: 2024, Volume and Issue: unknown
Published: Oct. 29, 2024
Language: Английский