Deleted Journal,
Journal Year:
2024,
Volume and Issue:
6(4)
Published: March 23, 2024
Abstract
Anatase
is
a
universal
semiconductor
photocatalyst;
however,
its
wide
band-gap
energy
limits
entire
solar
spectrum
absorption
to
only
5%.
could
be
activated
in
the
visible
region
via
nobel
metal
deposition.
This
study
reports
on
facile
synthesis
of
colloidal
mono-dispersed
anatase
nanoparticles
5
nm
particle
size
hydrothermal
synthesis.
Nobel
metals
(Silver,
Nickel)
were
deposited
surface.
The
photocatalytic
activities
Ag–TiO
2
,
and
Ni–TiO
investigated
for
degradation
basic
fuchsin
dye.
nanocomposite
demonstrated
enhanced
adsorption
activity
dark,
as
well
superior
photocatalytic.
removal
efficiency
by
70.8%
under
irradiation
virgin
anatase.
oxygen-lattice
with
low
binding
using
XPS
analysis.
experienced
band
gap
2.35
eV
compared
3.2
anatase;
this
feature
secure
absorption.
excellent
photo-degradation
88%
0.3%
H
O
light.
Deposited
silver
catalyze
decomposition
promote
free
radical
generation;
promising
photocatalyst
wastewater
treatment
applications.
Journal of Saudi Chemical Society,
Journal Year:
2024,
Volume and Issue:
28(3), P. 101873 - 101873
Published: May 1, 2024
In
this
study,
magnetic
graphene
oxide
(MGO-Fe3O4)
nanocomposite
was
prepared
by
co-precipitating
of
FeCl3-6H2O
and
FeCl2-4H2O
on
waste
battery-derived
used
as
an
adsorbent
for
the
efficient
removal
As(III)
from
aqueous
solutions.
The
characterized
Fourier
transformed
infrared
spectroscopy,
field
emission
scanning
electron
microscopy,
transmission
X-ray
diffraction,
photoelectron
zeta
potential,
a
vibrating
sample
magnetometer.
These
characterizations
revealed
that
spare
like
Fe3O4
nanoparticles
(10.5
nm)
were
decorated
nanosheets
showed
excellent
saturation
magnetization
(89.73
emu/g).
adsorption
MGO-Fe3O4
optimized
analyzing
various
parameters.
Experiments
98
%
removed
at
neutral
pH
in
just
20
min,
even
though
dose
only
0.14
g/L.
kinetic
isotherm
best
fitted
with
pseudo-second
order
Frendlich
model.
maximum
capacity
(qmax)
found
to
be
50.2
mg/g
room
temperature.
Thermodynamic
studies
process
spontaneous
exothermic
nature.
enhanced
properties
are
crucial
drinking
water
treatment
due
easy
separation
solution
after
process.
Density
Functional
Theory
(DFT)
also
investigate
interaction
between
As(III),
which
further
suggested
mostly
interact
each
other
through
surface
complexation
hydrogen
bonding.
Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: Sept. 27, 2023
Antibiotics
are
resistant
compounds
with
low
biological
degradation
that
generally
cannot
be
removed
by
conventional
wastewater
treatment
processes.
The
use
of
yolk-shell
nanostructures
in
spinning
disc
photocatalytic
reactor
(SDPR)
enhances
the
removal
efficiency
due
to
their
high
surface-to-volume
ratio
and
increased
interaction
between
catalyst
particles
reactants.
purpose
this
study
is
investigate
SDPR
equipped
Fe3O4@void@CuO/ZnO
thin
film
nanostructure
(FCZ
YS)
presence
visible
light
illumination
amoxicillin
(AMX)
from
aqueous
solutions.
Stober,
co-precipitation,
self-transformation
methods
were
used
for
synthesis
FCZ
YS
physical
chemical
characteristics
analyzed
XRD,
VSM,,
EDX,
FESEM,
TEM,
AFM,
BET,
contact
angle
(CA),
DRS.
Then,
effect
different
parameters
including
pH
(3-11),
initial
concentration
AMX
(10-50
mg/L),
flow
rate
(10-25
mL/s)
rotational
speed
(100-400
rpm)
at
times
studied.
obtained
results
indicated
highest
97.6%
constant
reaction
under
LED
optimal
conditions
=
5,
30
mg/L,
solution
15
mL/s,
300
rpm
time
80
min.
durability
reusability
tested,
after
5
runs
had
a
suitable
rate.
Considering
appropriate
nanostructure,
suggested
water
