International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(2), P. 677 - 677
Published: Jan. 15, 2025
The
design
of
efficient
advanced
oxidation
processes
(AOPs)
in
the
presence
bicarbonate
has
long
attracted
considerable
attention
field
environmental
catalysis.
In
this
study,
sodium
(NaHCO3)
as
one
most
abundant
substances
actual
water,
was
introduced
to
a
NaClO/Ru(III)
system
enhance
removal
acid
orange
7(AO7).
NaHCO3
could
significantly
improve
efficiency
Ru(III)/NaClO
process
HCO3−
at
pH
range
6.9–10.0.
Ru(V)=O
identified
dominant
reactive
species
involved
degradation
pollutants
NaHCO3/NaClO/Ru(III)
system.
interacts
with
Ru(III)
generate
Ru(III)-HCO3−,
which
enhances
activation
performance
under
neutral
or
alkaline
conditions.
AO7
enhanced
increasing
concentration,
and
rate
constant
increased
more
than
2-fold
4-fold
concentrations
from
0
100
mM
6.9
8.5.
This
study
proposed
novel
strategy
environmentally
friendly
inorganic
ligands
highlights
its
potential
applications
pollutants.
Catalysts,
Journal Year:
2025,
Volume and Issue:
15(5), P. 410 - 410
Published: April 23, 2025
The
residual
emerging
pollutants
in
secondary
effluent
from
a
chemical
industry
park
contain
potential
risks
for
natural
waters.
Herein,
the
cobalt
ferrite/peracetic
acid
system
was
employed
to
destroy
aniline,
typical
pollutant,
with
reaction
rate
of
0.0147
min−1
at
pH
7.0.
Singlet
oxygen
(1O2)
served
as
predominant
reactive
species
aniline
degradation,
superoxide
radicals
(O2−)
and
organic
(R-O)
acting
roles.
valence
transition
between
Co(II)
Co(III)
on
CoFe2O4
surface
played
determining
role
progression.
presence
anions
humic
acids
low
concentrations
had
minimal
impact
removal.
Additionally,
catalyst
demonstrated
excellent
recyclability,
maintaining
pollutant
removal
above
93%
over
five
consecutive
cycles.
Lastly,
CoFe2O4/PAA
demonstrates
effective
treatment
pollutants,
including
phenolic
compounds,
pesticides,
antibiotics,
dyes,
achieving
rates
77.48%
99.99%.
Furthermore,
it
significantly
enhances
water
quality
actual
effluent,
offering
novel
theoretical
foundation
practical
insights
applying
this
catalytic
wastewater
treatment.
