Enhancement of photocatalytic activity of CeO2 nanorods through lanthanum doping (La–CeO2) for the degradation of Congo red dyes
Results in Engineering,
Год журнала:
2024,
Номер
23, С. 102748 - 102748
Опубликована: Авг. 16, 2024
The
discharge
of
synthetic
dyes
into
water
bodies
poses
severe
environmental
risks
due
to
their
toxic
and
recalcitrant
nature.
This
study
explores
the
enhancement
photocatalytic
properties
cerium
dioxide
(CeO2)
nanorods
by
doping
with
lanthanum
(La)
improve
efficacy
in
degrading
aqueous
solutions
Congo
red
dye.
CeO2
were
synthesized
via
a
hydrothermal
method
subsequently
doped
varying
concentrations
La.
scanning
electron
microscopy
(SEM)
images
confirmed
rod-like
structures
(nanorods)
observed
for
all
samples,
while
energy-dispersive
X-ray
spectroscopy
(EDX)
homogeneous
incorporation
La
matrix.
diffraction
(XRD)
spectra
demonstrate
lattice
distortion
substitutional
defect.
Photocatalytic
experiments
revealed
that
La-doped
exhibited
significantly
enhanced
degradation
capabilities
compared
undoped
counterparts,
achieving
up
3-fold
kinetics
((30
±
2)
×
10−3
min−1)
counterparts
((11.5
0.4)
min−1).
Influence
various
parameters
affect
photocatalysis
performance
(i.e.,
contact
time,
initial
dye
concentration,
catalyst
dosage,
solution
pH
value)
also
investigated.
Radical
scavenger
reveal
superoxide
radicals
play
dominant
role
process.
Collectively,
these
findings
confirm
strategic
not
only
enhances
overall
efficiency
but
tailors
activity
towards
specific
pollutants
through
radical-mediated
pathways.
Язык: Английский
Examining the influence of sintering temperatures on the efficiency of 3D-printed natural zeolite for methylene blue dye adsorption
Results in Surfaces and Interfaces,
Год журнала:
2024,
Номер
unknown, С. 100337 - 100337
Опубликована: Окт. 1, 2024
Язык: Английский
Molecular Dynamics Study on the Shear Deformation Process and Crystal Transformation of Polyvinylidene Fluoride
Materials Today Communications,
Год журнала:
2024,
Номер
41, С. 111017 - 111017
Опубликована: Ноя. 17, 2024
Язык: Английский
Combination of cellulose nanocrystal and graphene oxide as modifying agent for improving the performance of PVDF membranes
Case Studies in Chemical and Environmental Engineering,
Год журнала:
2024,
Номер
10, С. 100873 - 100873
Опубликована: Авг. 2, 2024
Язык: Английский
Complex mixture dye removal using natural zeolite modified polyacrylonitrile/ polyvinylidene fluoride (Ze-PAN/PVDF) composite nanofiber membrane via vacuum filtration technique
Sephia Amanda Muhtar,
Tia Amanda,
Nadiya Rifqah Kurnia
и другие.
Materials Today Communications,
Год журнала:
2024,
Номер
unknown, С. 111357 - 111357
Опубликована: Дек. 1, 2024
Hydrothermal modification of natural zeolite and its application in anti‐inflammatory removal
Journal of Chemical Technology & Biotechnology,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 13, 2024
Abstract
BACKGROUND
Natural
zeolite's
inefficiency
in
removing
organic
compounds
has
been
a
significant
challenge
water
treatment.
To
address
this,
this
study
focuses
on
an
innovative
and
efficient
hydrothermal
process
for
altering
the
zeolitic
structure.
The
aimed
to
determine
optimal
conditions
zeolite
treatment
remove
diclofenac,
thereby
contributing
expansion
of
potential
use
RESULTS
found
that
modification
temperature
significantly
affected
diclofenac
removal,
whereas
cetrimonium
bromide
(CTAB)
concentration
impacted
yield.
(150
°C,
0.374
g
CTAB
/g
,
6
h)
were
selected
their
mildness
effectiveness.
Characterization
showed
reduction
micropores,
development
mesopores
increase
clinoptilolite
content
while
maintaining
crystallinity.
Fourier
transform
infrared
analysis
zeta
measurements
confirmed
surfactant's
presence.
Adsorption
tests
indicated
pH,
except
at
extremely
basic
levels,
did
not
affect
highlighting
method's
industrial
applicability.
kinetic
revealed
slower
adsorption
influenced
by
intraparticle
diffusion.
Equilibrium
studies
spontaneous,
exothermic
as
result
stronger
interactions
between
modified
adsorbent
diclofenac.
maximum
capacity
was
11.15
mg
−1
with
hydrophobic
electrostatic
enhancing
drug
removal
efficiency
compared
unmodified
zeolite.
CONCLUSION
findings
demonstrate
using
natural
zeolites
wastewater
through
adsorption.
©
2024
Society
Chemical
Industry
(SCI).
Язык: Английский
Piezoelectric nanogenerators with hybrid nanofibers: a dual approach for energy generation and wastewater treatment
Environmental Science Nano,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
A
nanofibrous
piezoelectric
membrane
for
efficient
removal
of
organic
and
inorganic
impurities
is
a
sustainable
solution
wastewater
treatment.
Язык: Английский