Crystals,
Год журнала:
2025,
Номер
15(5), С. 432 - 432
Опубликована: Май 1, 2025
Global
industrialization
has
intensified
the
emission
of
emerging
contaminants
(ECs),
posing
a
serious
threat
to
environment
and
human
health.
Persulfate-based
advanced
oxidation
processes
(PS-AOPs)
have
become
research
hotspot
due
their
efficient
degradation
capability
environmentally
friendly
features;
carbon-based
materials
are
ideal
catalysts
for
activating
persulfate
(PS)
tunable
electronic
structure,
abundant
active
sites,
low
cost.
This
study
summarizes
application
(graphene,
single-atom
(SACs),
etc.)
in
PS-AOPs,
provides
insights
into
mechanisms
radicals
(e.g.,
sulfate
radical
(SO4−·),
hydroxyl
(·OH))
non-radicals
1O2(singlet
oxygen),
electron
transfer).
The
removal
efficacy
antibiotics,
phenols,
dyes
was
compared,
key
pathways
were
elucidated.
In
addition,
activation
PS
can
be
accelerated,
catalytic
efficiency
improved
by
synergizing
with
ancillary
technologies
light,
electricity).
Despite
great
potential
catalysts,
large-scale
is
limited
complexity
catalyst
preparation
process
lack
selectivity
complex
water
qualities.
Future
studies
accelerate
practical
PS-AOPs
wastewater
treatment
through
precise
design
SACs
construction
multi-mechanism
synergistic
systems.
Journal of environmental chemical engineering,
Год журнала:
2024,
Номер
12(3), С. 112540 - 112540
Опубликована: Март 18, 2024
The
present
research
aimed
to
improve
the
efficiency
of
a
novel
walnut
shell
biochar-CuFe2O4/Fe2O3/CuO
(BC-CuFeO)
nanocomposite
for
activation
peroxymonosulfate
(PMS)
degradation
carbamazepine
(CBZ),
as
recalcitrant
organic
pollutant.
Ascorbic
acid
(H2A)
and
L-cysteine
(LC)
were
utilized
significantly
increase
CBZ
removal
in
BC-CuFeO/PMS
system.
An
L-16
Taguchi
design
was
applied
identify
relative
significance
operating
parameters
CBZ.
In
addition,
both
BC-CuFeO/PMS/H2A
BC-CuFeO/PMS/LC
systems
demonstrated
outstanding
performance
presence
humic
acid,
sodium
chloride,
nitrate,
respectively.
scavenging
experiments
indicated
that
1O2,
·OH,
O2•−,
SO4•−
responsible
system,
while
·OH
contributed
Furthermore,
intermediates
pathways
determined
via
Q-TOF-MS
analysis,
potential
toxicity
products
assessed
Toxicity
Estimation
Software
Tool
analysis.
practicality
nanocomposites
also
evaluated
through
fabrication
catalytic
balls
membranes,
followed
by
study
their
stability
wastewater
treatment.
conclusion,
this
provides
promising
PMS
methods
efficient
pollutants
from
wastewater.
