Multiphase
catalysts
with
wide
pH,
high
environmental
adaptability,
and
activity
are
urgently
needed
for
the
water's
contaminants
to
break
down.
In
this
study,
biomass
waste
bamboo
leaves
were
used
as
carbon
source
activated
by
KOH
further
increase
active
sites
(the
adsorption
capacity
was
8.06
times
that
of
unactivated
material)
loaded
cobalt
ferrite
composite
catalyst
CoFe2O4@PBCX,
which
could
effectively
activate
PMS
realize
degradation
BPA.
The
CoFe2O4@PBCX
+
system
demonstrated
remarkable
BPA
across
a
broad
starting
pH
range
(3-11),
100%
removal
achieved
in
9
min
at
pH=11.CoFe2O4@PBCX
excellent
performance
under
salinity
conditions
(200
mM).
toxicity
its
oxidation
intermediates
predicted
ECOSAR
model,
proved
eventually
degraded
into
non-toxic
products.
bisphenol
device,
no
deactivation
observed
after
14
h,
80%
maintained
40
h.
This
study
showed
synthesized
is
highly
efficient
activation
catalyst,
has
potential
low
cost,
efficiency,
ecological
friendliness
practical
wastewater
treatment.
Molecules,
Journal Year:
2023,
Volume and Issue:
28(23), P. 7906 - 7906
Published: Dec. 2, 2023
Peroxyacetic
acid
(PAA)-based
advanced
oxidation
processes
(AOPs)
have
attracted
much
attention
in
wastewater
treatment
by
reason
of
high
selectivity,
long
half-life
reactive
oxygen
species
(ROS),
and
wider
applicability.
In
this
study,
cobalt
ferrite
(CoFe2O4)
was
applied
to
activate
PAA
for
the
removal
ofloxacin
(OFX).
The
degradation
OFX
could
reach
83.0%
via
CoFe2O4/PAA
system
under
neutral
conditions.
low
concentration
co-existing
anions
organic
matter
displayed
negligible
influence
on
removal.
contributions
hydroxyl
radicals
(·OH),
(R-O·),
other
were
systematically
evaluated.
Organic
(especially
CH3C(O)OO·)
singlet
(1O2)
verified
be
main
leading
destruction.
Co(II)/Co(III)
redox
cycle
occurring
surface
CoFe2O4
played
a
significant
role
activation.
catalytic
performance
remained
above
80%
after
five
cycles.
Furthermore,
ecotoxicity
reduced
with
system.
This
study
will
facilitate
further
research
development
as
new
strategy
treatment.
