Chemical Physics Impact,
Journal Year:
2024,
Volume and Issue:
8, P. 100652 - 100652
Published: May 29, 2024
Photocatalytic
degradation
of
different
organic
dyes
under
simulated
sun
light
irradiation
found
an
increasing
attention
in
the
recent
years.
To
development
high-efficient
photocatalyst,
this
work,
we
prepared
NiFe2O4
nanoparticles
by
chitosan-assisted
route
and
characterized
FT-IR,
XRD,
UV-Vis,
SEM
TEM
analysis.
In
addition,
photodegradation
methylene
blue
(MB)
as
a
model
wastewater
has
been
studied
effect
important
parameters
such
initial
pH
solution,
catalyst
dose,
MB
concentration
time
was
investigated.
The
highest
98.99%
reported
at
optimal
conditions,
10,
photocatalyst
dose
0.04
g,
50
mg/L
150
min.
kinetics
experimental
data
analysis
using
Langmuir-Hinshelwood
model,
result
predicted
that
process
obeyed
from
pseudo-first-order
with
strong
correlation
value
(R2)
0.9936,
k
=
0.03082
min−1
t1/2
22.49
Reusability
revealed
efficiency
change
(initially)
to
95.68%
(five
cycles).
results
as-prepared
showing
great
towards
dye,
ease
use,
good
stability
potential
be
used
for
other
dyes.
Alexandria Engineering Journal,
Journal Year:
2023,
Volume and Issue:
86, P. 663 - 668
Published: Dec. 15, 2023
Cadmium
(Cd)
is
a
toxic
heavy
metal
contaminant
in
agricultural
soils.
Phytoremediation
using
hyperaccumulator
plants
promising
remediation
strategy.
This
study
investigated
the
effects
of
TiO2
NPs
on
Cd
uptake
and
accumulation
ramie
(Boehmeria
nivea
L.)
grown
Cd-spiked
soil.
The
aim
was
to
evaluate
potential
application
enhance
phytoextraction
efficiency
for
removing
from
contaminated
Ramie
cultivated
soil
spiked
with
5
mg/kg
Cd,
or
without
500
NPs.
results
showed
significantly
increased
concentrations
roots,
stems,
leaves
by
35%,
75%,
278%
respectively,
compared
control
plants.
levels
reached
146
roots
102
bioconcentration
factor
rose
21.6
29.2
translocation
0.3
0.7
nanoparticles.
indicates
bioavailability
shoots.
higher
accumulation,
especially
leaves,
demonstrates
improve
ramie's
capacity.
With
NP
treatment,
decreased
an
estimated
20–30%
after
8
weeks
cultivation,
indicating
enhanced
phytoextraction.
provides
evidence
that
can
phytoremediation
like
Cd-contaminated
