Water Science & Technology,
Год журнала:
2024,
Номер
90(3), С. 1047 - 1069
Опубликована: Июль 12, 2024
Single-atom
catalysts
(SACs)
exhibit
outstanding
catalytic
activity
due
to
their
highly
dispersed
metal
centers.
Activating
persulfates
(PS)
with
SACs
can
generate
various
reactive
oxygen
species
(ROS)
efficiently
degrade
emerging
organic
contaminants
(EOCs)
in
aqueous
environments,
offering
unique
advantages
such
as
high
reaction
rates
and
excellent
stability.
This
technique
has
been
extensively
researched
holds
enormous
potential
applications.
In
this
paper,
we
comprehensively
elaborated
on
the
synthesis
methods
of
limitations,
factors
influencing
performance
SACs,
including
center
characteristics,
coordination
environment,
types
substrates.
We
also
analyzed
practical
considerations
for
application.
Subsequently,
discussed
mechanism
activating
PS
EOCs
degradation,
encompassing
adsorption
processes,
radical
pathways,
non-radical
pathways.
Finally,
provide
prospects
outline
our
vision
future
research,
aiming
guide
advancements
applying
technique.
Water,
Год журнала:
2025,
Номер
17(5), С. 616 - 616
Опубликована: Фев. 20, 2025
Non-radical-based
advanced
oxidation
processes,
particularly
those
dominated
by
high-valent
metals,
have
caught
a
great
deal
of
attention
because
their
exceptional
degradation
selectivity
and
robust
interference
resistance.
This
study
reports
the
synthesis
novel
ferrite,
designated
as
Co0.5Ni0.5Fe2O4,
through
solvothermal
reaction,
aimed
at
activating
PMS
for
removal
TCH
from
water.
It
was
observed
that
calcination
time
played
an
important
role
in
adjusting
particle
size
catalyst,
which
subsequently
increased
its
surface
area.
enlargement,
turn,
led
to
increase
active
sites,
ultimately
enhancing
catalytic
efficiency.
Within
Co0.5Ni0.5Fe2O4/PMS
system,
metals
Fe(IV)
Co(IV)
became
prominent
primary
species,
with
O21
serving
secondary
contributor.
The
activation
mechanism
thoroughly
analyzed
discussed.
Co0.5Ni0.5Fe2O4
exhibited
remarkable
stability
complex
reaction
environments
during
multiple
recycling
tests,
maintaining
efficiency
exceeding
98%.
not
only
increases
awareness
interaction
between
catalyst
structure
performance
but
also
provides
viable
platform
metal-dominated
ferrite
catalysts.
