Emerging contaminants,
Год журнала:
2024,
Номер
10(3), С. 100328 - 100328
Опубликована: Март 1, 2024
Residual
enrofloxacin
(ENR)
exposed
in
aqueous
environments
is
challenging
to
the
ecosphere.
In
this
work,
a
layered
double
hydroxide
CoAl-LDH
was
used
activate
common
oxidizing
agent
persulfate
(PS)
for
photodegradation
of
ENR,
and
degradation
pathways
ENR
were
scrutinized
elucidated.
The
results
indicated
that,
under
optimal
conditions
obtained
through
orthogonal
experiments,
even
though
rate
as
high
97.72%,
removal
total
organic
carbon
(TOC)
from
system
only
about
30%.
Eleven
probable
reaction
categorized,
thirty-one
types
intermediates
identified
participating
complex
process.
major
products
P4
(C17H20FN3O3),
P22
(C19H22FN3O4),
P19
(C17H18FN3O3),
which
are
mainly
derived
cleavage
piperazine
groups
quinolone
rings.
Density
functional
theory
(DFT)
calculations
Fukui
index
revealed
that
two
N
atoms
ring
core
reactive
sites
triggering
chains,
sensitive
electrophilic
attack
by
dominant
radicals
(•OH
SO4•-)
generated
composite
PS-UV-CoAl-LDH
system.
Chemical Engineering Journal,
Год журнала:
2023,
Номер
480, С. 148250 - 148250
Опубликована: Дек. 22, 2023
The
development
of
low-cost
photostable
heterostructures
with
robust
interfacial
contact
is
critical
for
competent
photoactivity
and
practical
applications.
solid-state
approach
was
successfully
employed
fabrication
novel
stacked
oval-shaped
CoMn-LDH/C-MgO
composites
Mn-O-Mg
bridges
efficient
charge
separation
induced
by
S-scheme
transfer
degradation
amoxicillin
(AMX).
persulfate
(PS)
activation
mechanism
confirmed
Raman
analysis
using
bond
length
relationship
to
peak
shifts.
PS
rate
1.8
times
CoMn-LDH/PS
the
heterojunction
a
99.97
±
0.16
%
removal
efficiency
after
60
min
irradiation
at
pH
5.2.
photocatalytic
ozonation
increased
AMX
mineralization
up
8
compared
ozonation.
Antimicrobial
studies
bacterial
growth
inhibition
by-products
had
reduced
AMX.
This
work
demonstrated
an
as
visible
light
heterogeneous
photocatalyst
pharmaceuticals.
Cell Reports Physical Science,
Год журнала:
2024,
Номер
5(5), С. 101966 - 101966
Опубликована: Май 1, 2024
Employing
Fenton
technology
for
efficiently
removing
pollutants
in
water
stands
as
a
significant
method.
Within
the
domain
of
traditional
techniques,
there
exist
both
homogeneous
and
heterogeneous
systems.
Homogeneous
systems
tackle
iron
sludge
concerns
through
incorporation
co-catalysts,
whereas
adeptly
manipulate
surface
microenvironments
adjust
active
sites,
enabling
pollutant
degradation
across
wide
range
pH.
Each
system
boasts
distinct
advantages
limitations.
This
perspective
critically
examines
existing
challenges
associated
solutions
reactions
comprehensive
analysis
typical
case
studies.
The
focus
is
on
evaluating
industrial
potential
these
systems,
forecasting
future
developmental
trends,
fostering
more
robust
sustainable
advancement
within
context
carbon
peaking
neutrality
goals.
