Synthesis of a Hierarchical FeBTC/FeS Structure with Enhanced Water Stability for Environmental Remediation
ChemistrySelect,
Journal Year:
2025,
Volume and Issue:
10(2)
Published: Jan. 1, 2025
Abstract
An
iron
metal‐organic
framework
(MOF)
was
synthesized
and
tested
for
the
photocatalytic
degradation
of
organic
dyes
using
methylene
blue
(MB)
standard.
The
1,3,5‐benzenetricarboxylate
(BTC)
MOF
a
simple
low‐cost
electrochemical
method,
aligned
with
green
chemistry
principles,
64%
yield.
FeBTC
modified
in
presence
Na
2
S
solutions
(0.01
0.02
mmol
L
−1
),
giving
FeBTC/FeS
composites.
SEM
analysis
showed
structure
preservation
homogeneous
dispersion
sulfur
on
composite
surface.
composites
were
characterized
by
XRD,
FTIR,
TGA,
EDX,
XPS,
EPR
spectroscopy.
exhibited
25.1%
MB
removal
adsorption
(dark),
whereas
43.4%
(removal/degradation)
observed
under
simulated
solar
light.
modification
promoted
formation
containing
polysulfide
species,
as
XPS.
FeBTC/FeS‐1
FeBTC/FeS‐2
superior
performance,
achieving
efficiencies
86.0%
82.4%,
respectively,
after
an
irradiation
time
120
min.
Compared
to
photo‐Fenton
processes,
demonstrated
96.9%
99.6%,
respectively.
Thus,
activity
increased
polysulfides
structure.
excellent
adsorptive/photocatalytic
activity,
demonstrating
its
decolorizing
potential
MB‐containing
effluents.
Language: Английский
Metal Oxide Nanoparticles Synthesized in Ionic Liquids: Characterization and Photodegradation of Methyl Orange
ACS Omega,
Journal Year:
2025,
Volume and Issue:
10(10), P. 9962 - 9975
Published: March 6, 2025
Dye
residues
from
the
textile
industry
significantly
contribute
to
water
pollution,
necessitating
effective
wastewater
treatment
methods.
This
study
reports
successful
synthesis
of
zinc
oxide
(ZnO)
nanoparticles
using
various
ionic
liquids
(ILs),
[BMIM]-BF4,
[BMIM]-PF6,
and
[BMIM]-Cl,
as
mediators.
The
synthesized
nanomaterials
were
characterized
techniques,
including
X-ray
diffraction
(XRD),
Fourier
transform
infrared
(FTIR)
spectroscopy,
scanning
electron
microscopy
(SEM),
photoluminescence
(PL)
spectroscopy.
Their
photocatalytic
activity
in
degrading
methyl
orange
(MO)
dye
under
UV-vis
sunlight
irradiation
was
investigated.
results
demonstrated
that
ILs
influenced
structural
optical
properties
ZnO,
resulting
smaller
crystallite
sizes,
modified
morphologies,
reduced
band
gap
energies
compared
unmodified
ZnO.
ZnO-[BMIM]-BF4
(1%)
exhibited
superior
efficiency,
achieving
complete
MO
degradation
within
30
min
irradiation,
attributed
its
enhanced
light
absorption
electron-hole
recombination.
ZnO-BMIM-PF6
exceptional
stability,
maintaining
high
efficiency
over
multiple
cycles.
These
findings
highlight
potential
IL-mediated
tailoring
ZnO
for
efficient
organic
pollutants,
offering
a
promising
approach
treatment.
Language: Английский
Efficient degradation of alkyl imidazole ionic liquids by MnFe2O4-activated peracetic acid: Performance, mechanisms, and ecotoxicity assessment
Lu Wang,
No information about this author
Gang Wang,
No information about this author
Zhuoting Zhang
No information about this author
et al.
Journal of Water Process Engineering,
Journal Year:
2025,
Volume and Issue:
73, P. 107653 - 107653
Published: April 14, 2025
Language: Английский
Recycling of permanent magnets: a perspective for application of organic acids and ionic liquids towards ecofriendly process
Journal of environmental chemical engineering,
Journal Year:
2024,
Volume and Issue:
12(6), P. 114389 - 114389
Published: Oct. 9, 2024
Language: Английский
Acoustic cavitation oxidation of ionic liquids: A brief review
Water and Environment Journal,
Journal Year:
2024,
Volume and Issue:
38(3), P. 359 - 372
Published: March 25, 2024
Abstract
Ionic
liquids
(ILs)
are
third‐generation
materials
with
broad
industrial
applications.
However,
their
toxicity,
non‐biodegradability
and
water
solubility
render
them
persistent
pollutants.
Consequently,
IL
degradation
from
is
an
emerging
topic
of
research
interest
nowadays.
Sonolysis
one
the
advanced
oxidation
processes
(AOPs)
based
on
ultrasound
(US).
During
sonolysis,
acoustic
cavitation
decomposes
into
reactive
hydroxyl
(•OH)
hydrogen
(•H)
radicals,
which
then
oxidize
IL.
This
review
discussed
different
AOPs
for
wastewater
treatment
reflecting
shortcomings,
a
special
focus
operating
conditions
effectiveness
US‐based
hybrid
degradation.
The
synergistic
effects
US
over
other
investigated.
Hybid‐sonolysis
has
proven
to
significantly
enhance
mineralization
in
shorter
reaction
time
by
generating
more
reactive‐free
radicals
aqueous
medium
at
experimentally
optimized
conditions.
Finally,
this
identifies
gap
proposes
future
directions
It
will
serve
as
valuable
resource
studies
using
techniques.
Language: Английский