Highly Efficient Removal of Organic Pollutants with HCO3−-Enhanced Ru(III)/NaClO Process
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.
Language: Английский
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