Critical Reviews in Environmental Science and Technology,
Год журнала:
2024,
Номер
unknown, С. 1 - 21
Опубликована: Авг. 24, 2024
There
exist
two
distinct
pathways
for
the
migration
and
conversion
of
organic
pollutants
in
natural
water,
namely
degradation
polymerization.
From
perspective
carbon
cycle
water
purification
process,
compared
with
pollutants,
oxidative
polymerization
could
directly
convert
matter
into
solid
polymers,
which
can
not
only
realize
recovery
but
also
solve
problem
high
energy
consumption
emissions
degradation,
demonstrating
its
great
potential
development
application.
Here,
we
summarize
nature
polymerization
pollutants
transport-based
techniques,
focusing
on
principles
reaction,
pollutant
pathways,
catalytic
methods
catalysts.
For
first
time
elaborated
ROS
electron
transfer
as
core
reaction
mechanism.
Finally,
current
problems
challenges
are
highlighted
future
research
goals
trends
pollution
discussed.
This
concludes
that,
from
migration,
has
significant
advantages
over
terms
reducing
chemical
inputs
CO2
emissions,
achieving
efficient
removal
refractory
recovering
carbon,
thus
a
highly
competitive
application
neutrality
remediation
(such
concentrations
industrial
wastewater).
However,
growing
applications
treatment
technologies
inextricably
linked
to
substantial
quantity
preliminary
basic
research,
hence
critical
need
related
work.
Water Research,
Год журнала:
2024,
Номер
255, С. 121485 - 121485
Опубликована: Март 18, 2024
Catalytic
polymerization
pathways
in
advanced
oxidation
processes
(AOPs)
have
recently
drawn
much
attention
for
organic
pollutant
elimination
owing
to
the
rapid
removal
kinetics,
high
selectivity,
and
recovery
of
carbon
from
wastewater.
This
work
presents
a
review
on
regimes
AOPs
their
applications
wastewater
decontamination.
The
mainly
highlights
three
critical
issues
reactions
induced
by
persulfate
activation
(Poly-PS-AOPs),
including
heterogeneous
catalysts,
pathways,
properties
substrates.
dominant
influencing
factors
selection
reactive
oxygen
species,
substrates
are
discussed
detail.
Moreover,
we
systematically
demonstrate
merits
challenges
Poly-PS-AOPs
upon
degradation
polymer
synthesis.
We
particularly
highlight
that
technology
could
be
promising
treatment
industrial
containing
heterocyclic
organics
synthesis
polymers
polymer-functionalized
materials
environmental
energy
applications.
Nature Communications,
Год журнала:
2025,
Номер
16(1)
Опубликована: Янв. 2, 2025
Abstract
High-entropy
alloy
nanoparticles
(HEA-NPs)
exhibit
favorable
properties
in
catalytic
processes,
as
their
multi-metallic
sites
ensure
both
high
intrinsic
activity
and
atomic
efficiency.
However,
controlled
synthesis
of
uniform
ensembles
at
the
level
remains
challenging.
This
study
successfully
loads
HEA-NPs
onto
a
nitrogen-doped
carbon
carrier
(HEAs)
pioneers
application
peroxymonosulfate
(PMS)
activation
to
drive
Fenton-like
oxidation.
The
HEAs-PMS
system
achieves
ultrafast
pollutant
removal
across
wide
pH
range
with
strong
resistance
real-world
water
interferences.
Furthermore,
nonradical
selectively
transforms
phenolics
into
high-molecular-weight
products
via
polymerization
pathway.
unique
non-mineralization
regime
remarkably
reduces
PMS
consumption
electron
utilization
efficiency
up
213.4%.
Further
DFT
calculations
experimental
analysis
reveal
that
Fe
Co
act
primary
complex
for
activation,
while
Ni,
Cu,
Pd
serve
charge
mediators
facilitate
transfer.
resulting
PMS*
complexes
on
HEAs
possess
redox
potential,
which
drives
spatially
separated
phenol
oxidation
graphene
support
form
phenoxyl
radicals,
subsequently
triggering
formation
high-molecule
polymeric
reactions.
offers
engineered
catalysts
treatment
low
oxidant
emissions.
Environmental Science & Technology,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 6, 2025
For
several
decades,
the
methodology
of
complete
destruction
organic
pollutants
via
oxidation,
i.e.,
mineralization,
has
been
rooted
in
real
water
treatment
applications.
Nevertheless,
this
industrially
accepted
protocol
is
far
from
sustainable
because
excessive
input
chemicals
and/or
energy
as
well
unregulated
carbon
emission.
Recently,
there
have
emerging
studies
on
removal
a
completely
different
pathway,
polymerization,
meaning
that
target
undergo
oxidative
polymerization
reactions
to
generate
polymeric
products.
These
collectively
shown
compared
conventional
mineralization
pathway
allows
more
efficient
pollutants,
largely
reduced
chemicals,
and
suppressed
In
review,
we
aim
provide
comprehensive
examination
fundamentals
process,
current
state-of-the-art
strategies
for
regulation
both
kinetic
thermodynamic
perspectives,
resource
recovery
formed
end,
limitations
process
pollutant
are
discussed,
with
perspectives
future
studies.
Hopefully,
review
could
not
only
critical
insight
advancement
polymerization-oriented
technologies
greener
manner
but
also
stimulate
paradigm
innovations
low-carbon
treatment.
Environmental Science & Technology,
Год журнала:
2024,
Номер
58(27), С. 12155 - 12166
Опубликована: Июнь 27, 2024
The
rising
in
situ
chemical
oxidation
(ISCO)
technologies
based
on
polymerization
reactions
have
advanced
the
removal
of
emerging
contaminants
aquatic
environment.
However,
despite
their
promise,
uncertainties
persist
regarding
effectiveness
eliminating
structurally
complex
contaminants,
such
as
sulfonamide
antibiotics
(SAs).
This
study
elucidated
that
oligomerization,
rather
than
mineralization,
predominantly
governs
SAs
carbon
materials/periodate
system.
amine
groups
played
a
crucial
role
forming
organic
radicals
and
subsequent
coupling
due
to
high
f–
index
low
bond
orders.
Moreover,
highlighted
robust
adhesion
oligomers
catalyst
surface,
facilitated
by
enhanced
van
der
Waals
forces
hydrophobic
interactions.
Importantly,
plant
animal
toxicity
assessments
confirmed
nontoxic
nature
deposited
material
affirming
efficacy
material-based
ISCO
treating
contaminated
surface
water
groundwater.
Additionally,
novel
classification
approach,
Δlog
k,
was
proposed
differentiate
kinetic
control
steps,
providing
deeper
insights
into
quantitative
structure–activity
relationship
(QSAR)
facilitating
selection
optimal
descriptors
during
oligomerization
processes.
Overall,
these
significantly
enhance
our
understanding
via
demonstrate
superiority
C-ISCO
decontamination.
Environmental Science & Technology,
Год журнала:
2024,
Номер
58(44), С. 19571 - 19583
Опубликована: Окт. 23, 2024
Radical-based
advanced
oxidation
processes
(AOPs)
are
among
the
most
effective
technologies
employed
to
destroy
organic
pollutants.
Compared
common
inorganic
radicals,
such
as
Water Research,
Год журнала:
2024,
Номер
257, С. 121715 - 121715
Опубликована: Май 2, 2024
High-valent
metal-oxo
species
(HMOS)
have
been
extensively
recognized
in
advanced
oxidation
processes
(AOPs)
owing
to
their
high
selectivity
and
chemical
utilization
efficiency.
However,
the
interactions
between
HMOS
halide
ions
sewage
wastewater
are
complicated,
leading
ongoing
debates
on
intrinsic
reactive
impacts
remediation.
Herein,
we
prepared
three
typical
HMOS,
including
Fe(IV),
Mn(V)-nitrilotriacetic
acid
complex
(Mn(V)NTA)
Co(IV)
through
peroxymonosulfate
(PMS)
activation
comparatively
studied
with
Cl
Water Research,
Год журнала:
2024,
Номер
268, С. 122621 - 122621
Опубликована: Окт. 11, 2024
Conventional
heterogeneous
Fenton-like
systems
employing
different
peroxides
have
been
developed
for
water/wastewater
remediation.
However,
a
large
population
of
consumed
during
various
with
low
utilization
efficiency
and
associated
secondary
contamination
become
the
bottlenecks
their
actual
applications.
Recent
strategies
lowering
peroxide
consumptions
to
develop
economic
are
primarily
devoted
effective
radical
generation
subsequent
high-efficiency
through
catalysts/systems
engineering,
leveraging
emerging
nonradical
oxidation
pathways
higher
selectivity
longer
life
reactive
intermediate,
as
well
reactor
designs
promoting
mass
transfer
decomposition
improve
yield
radicals/nonradicals.
comparative
review
summarizing
mechanisms
these
has
not
yet
published.
In
this
review,
we
endeavor
showcase
designated
achieving
reduction
while
ensuring
high
catalytic
activity
from
perspective
above
strategic
mechanisms.
An
in-depth
understanding
aspects
will
help
elucidate
key
consumption.
Finally,
existing
problems
put
forward,
new
ideas
research
directions
consumption
proposed
promote
application
in
wastewater
purification.