Flow-through
heterogeneous
electro-Fenton
(FHEF)
process
shows
a
broad
prospect
for
refractory
organic
pollutants
removal.
However,
maintaining
long-term
service
life
of
higher
catalytic
cathode
is
crucial
the
development
materials,
especially
iron-functionalized
operated
under
harsh
conditions.
In
this
study,
novel
bimetallic
CC@FeOCl-Cu
composite
was
synthesized
through
one-step
calcination,
coupled
with
series
microstructure
characterization
methodology,
including
XRD,
SEM-EDS,
XPS,
and
FTIR.
The
superior
activity
could
be
ascribed
to
Fe-Cu
synergy
better
dispersion
FeOCl
nanosheets.
With
optimal
Cu:Fe
ratio
1:60,
bifunctional
ACF/CC@FeOCl-Cu
employed
in
FHEF
process,
exhibiting
an
outstanding
performance
sulfamethoxazole
(SMX)
removal
over
wide
pH
range
(3.0-9.0).
Comparison
experimental
results
indicated
that
ACF/CC@FeOCl-Cu-FHEF
showed
than
ACF/CC@FeOCl-FHEF
homogeneous
EF
processes.
average
SMX
efficiency
98%
TOC
more
57%
even
after
10
cycles.
Radical
quenching
experiments
electron
spin
resonance
test
confirmed
•OH
primary
active
species.
More
generated
because
doping
Cu
enhance
cathode.
addition,
satisfactory
observed
treatment
real
landfill
leachate,
indicating
its
potential
practical
application
wastewater
treatment.
