ACS Catalysis,
Год журнала:
2024,
Номер
14(11), С. 8694 - 8719
Опубликована: Май 20, 2024
Microplastics
(MPs,
particle
size
<
5
mm)
have
become
increasingly
ubiquitous
on
Earth
due
to
the
cleavage
and
degradation
of
heavy
use
plastics.
MPs
recently
been
reported
be
detected
in
human
blood,
alveoli,
breast
milk,
embryos,
other
organs,
raising
concerns
about
their
environmental
risks.
Photocatalysis
has
identified
as
a
potential
means
for
conversion,
which
utilizes
solar
energy
stimulate
semiconductor
photocatalyst.
However,
study
photocatalytic
conversion
is
still
incubation
period.
This
review
overviews
current
state-of-the-art
technologies
conversion.
Then,
fundamental
principles,
challenges,
analytical
techniques,
evaluation
indexes
reforming
are
highlighted.
We
systematically
summarized
recent
advances
key
factors
influencing
performance.
Finally,
we
propose
some
perspectives
developing
efficient
systems
MPs.
will
provide
guideline
applying
technology
MPs,
significantly
contribute
this
emerging
research
field.
Environmental Science & Technology,
Год журнала:
2022,
Номер
56(7), С. 4498 - 4506
Опубликована: Март 17, 2022
The
environmentally
benign
Mn
oxides
play
a
crucial
role
in
the
transformation
of
organic
contaminants,
either
through
catalytically
decomposing
oxidants,
e.g.,
peroxymonosulfate
(PMS),
or
directly
oxidizing
target
pollutants.
Because
their
dual
roles
and
complex
surface
chemical
reactions,
mechanism
involved
oxide-catalyzed
PMS
activation
processes
remains
obscure.
Here,
we
clearly
elucidate
Mn2O3
catalyzed
process
by
means
separating
pollutant
oxidation
process.
acts
as
shuttle
that
mediates
electron
transfer
from
substrates
to
PMS,
accompanied
redox
cycle
Mn(IV)/Mn(III).
Multiple
experimental
results
indicate
is
bound
form
an
inner-sphere
complex,
which
then
decomposes
long-lived
reactive
Mn(IV)
species,
without
generation
sulfate
radicals
(SO4•–)
hydroxyl
(HO•).
species
are
proposed
be
responsible
for
degradation
contaminants
(e.g.,
phenol)
formation
singlet
oxygen
(1O2),
followed
regeneration
Mn(III)
sites
on
Mn2O3.
This
study
advances
fundamental
understanding
underlying
transition
metal
processes.
ACS ES&T Engineering,
Год журнала:
2022,
Номер
2(4), С. 527 - 546
Опубликована: Март 8, 2022
Heterogeneous
photocatalytic
persulfate
(PS)
activation
technologies
are
being
intensively
studied
for
water
treatment
due
to
their
friendly
environmental
benefits
and
photosynergistic
effect
in
comparison
with
traditional
PS
systems.
Previous
reviews
have
summarized
diverse
methods
the
role
of
light
systems,
but
it
is
still
urgent
provide
a
comprehensive
review
on
deep
understanding
rational
design
heterogeneous
PS-based
advanced
oxidation
processes
(AOPs).
This
intends
thoroughly
address
in-depth
fundamentals
mechanisms
PS-AOPs.
Challenges
improvement
strategies
PS-AOPs
also
critically
discussed.
On
basis
detailed
survey
published
studies,
PS-AOPs,
including
Fe-based,
TiO2-based,
other
metal
based,
bimetallic,
metal-free
carefully
clarified.
Finally,
engineering
implications
prospects
enumerated
developing
efficient
environmentally
treatment.
It
expected
that
this
will
motivate
researchers
construct
novel
promising
