Drug
residues
in
water
can
lead
to
drug
resistance
and
affect
human
health
the
survival
of
aquatic
organisms.
Fenton
was
one
most
effective
wastewater
treatment
methods,
but
there
were
some
problems
such
as
poor
metal
cycling
performance
catalyst
low
utilization
efficiency
H2O2.
The
ternary
layered
double
hydroxide
(LDH)
Cu0.6Co2.4Fe-LDH
prepared
by
adjusting
molar
ratio
Cu/Co.
employed
for
efficient
degradation
diclofenac
(DCF)
catalytic
hydrogen
peroxide
(H2O2).
At
a
natural
pH=6.5
H2O2
=2
mM,
removal
rate
DCF
98.2%
(mineralization
=72.5%).
After
8
cycles,
still
77%.
Cu0.6Co2.4Fe-LDH/H2O2
system
equally
suitable
antibiotics
ciprofloxacin
environments.
Inorganic
ions
organic
compounds
real
had
little
influence
on
this
heterogeneous
Fenton-like
process.
Free
radical
trapping
experiments
electron
paramagnetic
resonance
spectra
showed
that
hydroxyl
radicals
(·OH)
played
leading
role
DCF.
trimetal
cations
act
synergistically
accelerated
transfer
redox
cycle
between
ions.
Simultaneously,
calculated
compared.
dose,
increased
71.8%.
In
paper,
proposed
improve
under
condition
scant
amount
H2O2,
which
provided
strategy
solving
problem
oxidants
materials
reaction
systems.
Applied Catalysis B Environment and Energy,
Journal Year:
2023,
Volume and Issue:
342, P. 123457 - 123457
Published: Nov. 1, 2023
In
this
study,
we
developed
a
Cu0.5Fe2.5S4
nanocatalyst
through
facile
sulfidation
of
the
Cu-MIL-88B(Fe)
precursor
to
expedite
surface
Fe(III)
reduction
and
enhance
H2O2
activation
in
heterogeneous
electro-Fenton
(HEF).
The
as-prepared
catalyst
possesses
relatively
large
specific
area
uniformly
dispersed
metal
active
sites.
catalyzed
HEF
system
allowed
compete
removal
naproxen
with
minimal
leaching,
surpassing
that
or
Fe3S4.
Quantitative
XPS
analysis,
electrochemical
characterization
density
functional
theory
calculations
elucidate
an
electron
donor-shuttle
regime
S2-
Cu
species
serve
as
donor
shuttle,
respectively.
significantly
accelerate
internal
transfer
between
S
Fe
mitigate
dissolution
adjacent
iron
sites,
securing
sustainable
reducing
capacity.
Moreover,
Cu0.5Fe2.5S4-based
exhibits
great
practicability
for
treatment
various
organics
urban
wastewater.
This
study
opens
new
avenue
addressing
challenge
sluggish
Fe(III)/Fe(II)
cycling
HEF.
Chemical Society Reviews,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
The
latest
advancements
in
MOF-based
three-dimensional
macrostructures,
encompassing
fascinating
characteristics,
preparation
strategies,
characterization
methods,
and
environmental
applications,
are
examined.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(9), P. 11809 - 11820
Published: Feb. 22, 2024
Building
multifunctional
platforms
for
integrating
the
detection
and
control
of
hazards
has
great
significance
in
food
safety
environment
protection.
Herein,
bimetallic
Fe–Co-based
metal–organic
frameworks
(Fe–Co-MOFs)
peroxidase
mimics
are
prepared
applied
to
develop
a
bifunctional
platform
synergetic
sensitive
controllable
degradation
aflatoxin
B1
(AFB1).
On
one
hand,
Fe–Co-MOFs
with
excellent
peroxidase-like
activity
combined
target-induced
catalyzed
hairpin
assembly
(CHA)
construct
colorimetric
aptasensor
AFB1.
Specifically,
binding
aptamer
AFB1
releases
prelocked
Trigger
initiate
CHA
cycle
between
H2-modified
H1-tethered
magnetic
nanoparticles
form
complexes.
After
separation,
signal
supernatant
presence
TMB
H2O2
is
inversely
proportional
target
contents.
Under
optimal
conditions,
this
biosensor
enables
analysis
limit
6.44
pg/mL,
high
selectivity
satisfactory
recovery
real
samples
obtained.
other
remarkable
Fenton-like
catalytic
performance
organic
contaminants
further
used
detoxification
after
detection.
The
almost
completely
removed
within
120
min.
Overall,
introduction
improves
sensing
sensitivity;
efficient
postcolorimetric-detection
reduces
secondary
contamination
risk
experimental
operators.
This
strategy
expected
provide
ideas
designing
integrate
various
hazards.
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 20, 2024
Mixed-valence
MOFs
have
exhibited
unique
features
in
different
practical
fields,
resulting
from
long-range
charge
delocalization
and
a
tunable
band
gap
within
the
framework.
