Journal of environmental chemical engineering,
Journal Year:
2024,
Volume and Issue:
12(3), P. 112996 - 112996
Published: May 8, 2024
With
the
extensive
use
of
atrazine
(ATZ),
its
potential
hazards
to
ecological
environment
and
human
health
have
raised
public
concerns.
This
study
reports
effective
degradation
ATZ
via
advanced
oxidation
processes
(AOPs)
using
peroxymonosulfate
(PMS)
activated
by
heterogeneous
catalysts
Ru
loaded
NiFe-LDH
blossom
nanosheets
(Ru/NiFe-LDH).
During
AOPs,
highly
dispersed
sites
as
main
catalytic
centers
substrate
synergistically
stimulated
PMS
efficiently
produce
reactive
oxygen
species
oxidize
ATZ.
Under
optimal
conditions,
activity
5.8Ru/NiFe-LDH/PMS
system
reached
100%
within
90
min.
Additionally,
it
also
exhibited
good
environmental
applicability.
Besides,
electron
paramagnetic
resonance
along
with
quenching
experiments
illustrated
production
1O2,
O2•
−,
•OH,
SO4•
−
surface-bond
radicals
during
degradation,
where
•OH
were
further
identified
dominant
for
oxidation.
The
pathway
was
determined
liquid
chromatography-mass
spectrometry
discern
intermediate
products,
e.g.,
dealkylation,
alkylic-hydroxylation
dechlororination-hydroxylation
processes.
work
holds
a
application
value
removal
other
pollutants.
