Environmental Science & Technology,
Год журнала:
2024,
Номер
58(42), С. 18456 - 18473
Опубликована: Окт. 10, 2024
Volatile
organic
compounds
(VOCs)
are
considered
to
be
the
most
recalcitrant
gaseous
pollutants
due
their
high
toxicity,
diversity,
complexity,
and
stability.
Gas-solid
catalytic
oxidation
methods
have
been
intensively
studied
for
VOC
treatment
while
being
greatly
hampered
by
energy
consumption,
catalyst
deactivation,
byproduct
formation.
Recently,
aqueous
advanced
processes
(AOPs)
attracted
increasing
interest
deep
of
VOCs
at
room
temperature,
owing
generation
abundant
reactive
oxygen
species
(ROS).
However,
current
reviews
mainly
focus
on
degradation
performance
not
clarified
specific
reaction
process,
products,
paths
in
different
AOPs.
This
study
systematically
recent
advances
application
AOPs
removal.
First,
gas-liquid
mass
transfer
chemical
presented.
Second,
latest
research
progress
removal
various
ROS
is
reviewed
performances,
pathways,
mechanisms.
Finally,
challenges
future
strategies
discussed
from
perspectives
synergistic
mixtures,
accurate
oxidation,
resource
utilization
target
via
perspective
provides
information
inspiration
industrial
waste
gas
treatment.
Environmental Science & Technology,
Год журнала:
2024,
Номер
58(24), С. 10415 - 10444
Опубликована: Июнь 7, 2024
Persulfate
(PS)-based
advanced
oxidation
processes
(AOPs)
for
pollutant
removal
have
attracted
extensive
interest,
but
some
controversies
about
the
identification
of
reactive
species
were
usually
observed.
This
critical
review
aims
to
comprehensively
introduce
basic
concepts
and
rectify
cognitive
biases
appeals
pay
more
attention
experimental
details
in
PS-AOPs,
so
as
accurately
explore
reaction
mechanisms.
The
scientifically
summarizes
character,
generation,
different
species.
It
then
highlights
complexities
analysis
electron
paramagnetic
resonance,
uncertainties
use
probes
scavengers,
necessities
determination
scavenger
concentration.
importance
choice
buffer
solution,
operating
mode,
terminator,
filter
membrane
is
also
emphasized.
Finally,
we
discuss
current
challenges
future
perspectives
alleviate
misinterpretations
toward
mechanisms
PS-AOPs.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(21)
Опубликована: Апрель 1, 2024
Abstract
Single‐metal
atomic
sites
and
vacancies
can
accelerate
the
transfer
of
photogenerated
electrons
enhance
photocatalytic
performance
in
photocatalysis.
In
this
study,
a
series
nickel
hydroxide
nanoboards
(Ni(OH)
x
NBs)
with
different
loadings
single‐atomic
Ru
(
w
‐SA‐Ru/Ni(OH)
)
were
synthesized
via
photoreduction
strategy.
such
catalysts,
are
anchored
to
surrounding
pits.
Notably,
SA‐Ru/Ni(OH)
0.60
wt
%
loading
(0.60‐SA‐Ru/Ni(OH)
exhibits
highest
catalytic
(27.6
mmol
g
−1
h
during
reduction
CO
2
(CO
RR).
Either
superfluous
(0.64
%,
18.9
;
3.35
9.4
or
scarce
(0.06
15.8
0.29
21.95
0.58
23.4
have
negative
effect
on
its
properties.
Density
functional
theory
(DFT)
calculations
combined
experimental
results
revealed
that
be
adsorbed
pits;
help
conversion
as‐adsorbed
lower
energy
*COOH
formation
accelerating
reaction;
excessive
occupy
retard
completion
RR.
ACS Catalysis,
Год журнала:
2024,
Номер
14(17), С. 12991 - 13014
Опубликована: Авг. 15, 2024
Single-atom
catalysts
(SACs)
exhibit
remarkable
100%
atomic
economy,
making
them
highly
efficient
in
various
fields,
including
production
processes,
energy
systems,
and
environmental
remediation.
However,
the
migration
agglomeration
of
single
atoms
significantly
diminish
reactivity
increase
operating
cost
catalyst.
Due
to
size
effect,
space
confinement
electron
are
stabilized,
overall
catalytic
performance
is
also
improved.
The
effect
can
be
enhanced
by
modifying
supporting
materials
with
ordered
regular
pore
structures
improving
binding
mode
between
support
atom.
In
this
Review,
confined
functional
structure
will
explained
for
synthesis
SACs.
It
elucidates
mechanisms
formation
elaborates
how
improves
performance.
This
Review
helpful
better
understanding,
controlling,
utilizing
design
SACs
impressive
