ACS ES&T Engineering,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 23, 2024
In
recent
times,
advanced
oxidation
processes
(AOPs)
based
on
sulfite
activation
via
transition
metal
ions
have
gained
significant
attention
for
water
decontamination.
this
work,
we
unexpectedly
discovered
that
Mn(II)
was
inefficient
in
treatment.
Intriguingly,
the
introduction
of
amino
ligands
such
as
nitrilotriacetic
acid
and
picolinic
significantly
enhanced
performance
activation,
enabling
effective
abatement
contaminants.
By
combining
quenching,
chemical
probing,
18O
isotope
tracing,
electrochemical
experiments,
study
addressed
why
Mn(II)/sulfite
system
sluggish
contaminants
degradation,
how
Mn(V)
generated
Mn(II)/sulfite/amino
ligand
system,
different
complexing
exhibited
distinct
performances.
We
demonstrated
notably
activity
with
production
stabilized
Mn(III),
which
underwent
further
conversion
to
species,
resulting
rapid
degradation
This
represents
first
discovery
unexpected
formation
from
low-valence
manganese
a
sulfite-based
system.
Furthermore,
spectral
characteristics
species
under
environmental
pH
conditions
were
identified
time.
These
findings
introduce
novel
process
decontamination
will
broaden
our
understanding
sulfite-activation-based
AOPs
well
application
chemistry
treatment
beyond.
Chemical Society Reviews,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Catalytic
active
sites
and
mechanisms
of
various
dimensional
carbonaceous
materials
in
activation
oxidants
towards
advanced
oxidant
processes
for
wastewater/water
treatment
were
reviewed.
Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(45), P. 20313 - 20326
Published: Nov. 4, 2024
Organic
ligands
have
been
extensively
used
to
enhance
the
catalytic
performance
of
manganese
ion
(Mn(II))
for
peracetic
acid
(PAA).
In
this
study,
sodium
bicarbonate
(NaHCO
Journal of Agricultural and Food Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 26, 2025
The
extensive
use
of
tetracyclines
in
livestock
poses
health
risks
due
to
their
residues
animal-derived
food;
therefore,
developing
simple
detection
methods
replace
complex
traditional
approaches
is
paramount
importance.
Here,
we
developed
a
dual-ligand
zinc-based
metal-organic
framework
material,
Zn-BTC-BDC-NH2
(denoted
as
ZTD),
for
the
tetracyclines.
intrinsic
blue
fluorescence
ZTD
was
quenched
upon
introduction
electron
transfer
from
-NH2
-CO-
and
-OH
groups
tetracycline
molecules;
meanwhile,
new
green
emission
generated
through
π-π
stacking
between
aromatic
rings
formation
complexes
Zn2+
C-O/C═O
groups.
In
real
food
samples,
exhibited
recovery
rates
ranging
93.62
110.66%,
with
limits
low
0.011
μmol·L-1.
Additionally,
test
paper
portable
detection.
This
study
presents
novel
method,
offering
insights
into
multiligand
preparation
future
sensing
method
design.
Natural
polyphenols
can
be
oxidized
into
reactive
quinones,
which
might
play
a
key
role
in
the
removal
of
specific
contaminants
natural
polyphenol-related
advanced
oxidation
processes
(AOPs).
In
this
study,
peracetic
acid
(PAA)
was
employed
combination
with
protocatechuic
(PCA)
to
remove
sulfonamide
antibiotics
(SAs)
from
water.
More
than
95%
sulfamethoxazole
(SMX)
and
other
SAs
observed
PCA/PAA
system,
neutral
pH
conditions
(5.0-8.0)
were
more
conducive
SMX.
The
system
exhibited
great
anti-interference
ability
against
complex
water
matrices.
ortho-Quinone,
generated
PCA
by
PAA,
played
dominant
SMX
removal.
Electrons
tended
transfer
ortho-quinones
form
covalent
bonds,
resulting
production
less
toxic
oligomers
via
overlooked
polymerization
pathway.
A
reduction
toxicity
solution
found
following
treatment
system.
interestingly,
several
structurally
related
could
also
facilitate
using
PAA
as
oxidant.
Overall,
study
proposes
novel
strategy
for
developing
quinones
dominated
AOPs
robust
performance,
well
enhances
understanding
contaminant
an
pathway
AOPs.
