Graphitic Carbon Nitride/CeO2 Nanocomposite for Photocatalytic Degradation of Methyl Red
Khansaa Al‐Essa,
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Ethar M. Al-Essa,
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Alaa Qarqaz
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et al.
Water,
Journal Year:
2025,
Volume and Issue:
17(2), P. 158 - 158
Published: Jan. 9, 2025
Nanosized
ceria
(CeO2)
and
a
graphitic
carbon
nitride-loaded
(CeO2/GCN)
nanocomposite
were
synthesized
using
straightforward
efficient
method
characterized
by
XRD,
FTIR,
SEM,
TEM,
TGA,
BET
analyses.
These
techniques
confirmed
that
CeO2
was
effectively
supported
on
the
surface
of
GCN,
with
particle
sizes
CeO2/GCN
composite
in
range
10–15
nm
pore
size
3.33
nm.
The
photocatalytic
activity
NPs
degradation
methyl
red
dye
under
sunlight
radiation
studied
UV–visible
spectroscopy.
A
noticeable
shift
compared
to
pure
suggests
reduction
its
band
gap
energy,
calculated
at
3.90
eV
for
2.97
nanocomposite.
This
enhances
process,
achieving
removal
efficiency
99.92%
within
short
irradiation
time
40
min
nanocomposite,
69.47%
NPs.
findings
indicate
nitride
significantly
properties
Language: Английский
Biogenic iron oxide nanoparticles with enhanced photocatalytic activity for effective removal of uranium and microbial decontamination
Xiangbiao Yin,
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Ahmed M. Eid,
No information about this author
Yuezhou Wei
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et al.
Journal of Water Process Engineering,
Journal Year:
2025,
Volume and Issue:
70, P. 107093 - 107093
Published: Jan. 27, 2025
Language: Английский
Surface engineering of chak’o nano-clay with iron oxide and APTES for enhanced heavy metal adsorption in water treatment
F1000Research,
Journal Year:
2025,
Volume and Issue:
14, P. 334 - 334
Published: March 27, 2025
Background
The
heavy
metal
contamination
of
water
leads
to
major
environmental
and
health
problems
throughout
the
Mantaro
River
basin
area.
study
assesses
adsorption
capacity
surface-modified
chak’o
nano-clay
for
extracting
lead
(Pb2+)
arsenic
(As5+).
Methods
Surface
modifications
unmodified
were
achieved
using
through
Aminopropyltriethoxysilane
(APTES),
iron
oxide
(Fe3O4),
combined
APTES
+
Fe3O4
particles.
Adsorption
performance
was
assessed
batch
experiments
over
8
hours.
BET
XPS
analyses
conducted
determine
surface
area,
pore
volume,
functional
group
availability.
kinetics
modeled
a
pseudo-second-order
model,
equilibrium
data
analyzed
Langmuir
isotherm.
Results
dual
modification
produced
maximum
removal
capacities
which
led
95–100%
Pb2+
As5+
analysis
demonstrated
that
area
(300
m2/g
375
m2/g)
volume
(0.420
cm3/g
0.600
cm3/g)
as
well
availability
increased
substantially
thus
resulting
in
improved
adsorption.
model
fit
kinetic
while
isotherm
behavior
describe
monolayer
treatment
combination
with
generated
an
adsorbent
better
magnetic
properties
electrical
conductivity
improving
its
recovery
potential
structural
stability.
dual-modified
showed
high
stability
during
three
cycles
desorption
tests
because
it
maintained
more
than
90%
original
process.
Conclusion
research
shows
specialized
treatments
deliver
advanced
absorption
abilities
positions
leading
choice
sustainable
system
remediation.
Language: Английский