Industrial & Engineering Chemistry Research,
Journal Year:
2023,
Volume and Issue:
62(23), P. 9091 - 9103
Published: June 1, 2023
Here,
we
describe
a
simpler-sustainable
approach
for
fabricating
photo-active
magnetite
nanoparticles
(Fe3O4-NPs)
using
an
almost
inert
waste
material
known
as
red-colored
iron
oxide
dust
(IOD).
The
synthesized
heterogeneous
catalyst
Fe3O4-NPs
showed
photoactivity
in
the
presence
of
sunlight
and
was
used
photodegradation
higher
concentration
(∼1000
mg
L–1)
noxious
nitrophenols
their
mixtures
aqueous
medium.
Kinetic
studies,
including
control
tests,
have
been
performed
to
compare
photocatalytic
performance
vs
IOD
artificial
bulb
light.
half-life
percentage
strongly
suggest
that
influences
faster
rate
mixtures.
Radical
trapping
experiments
were
identify
reactive
active
species
responsible
photodegradation,
results
support
significant
involvement
hydroxyl
radicals
along
with
holes.
Further,
real-life
assessment
photocatalyst
explored
by
checking
its
capability
industrial
wastewater
soil
samples
via
external
spiking
nitrophenols.
Moreover,
are
compared
two
commercially
available
Fe3O4,
which
comparable
results,
case
trinitrophenol
(TNP)
mixture,
slightly
better
results.
quantitative
studies
green
chemistry
metrics
DOZN
software-based
calculations
supported
greener
more
sustainable
process
present
method
synthesis
Fe3O4-NPs.
Scientific Reports,
Journal Year:
2022,
Volume and Issue:
12(1)
Published: April 6, 2022
Photocatalytic
degradation
is
essential
for
the
successful
removal
of
organic
contaminants
from
wastewater,
which
important
ecological
and
environmental
safety.
The
advanced
oxidation
process
photocatalysis
has
become
a
hot
topic
in
recent
years
remediation
water.
Cadmium
sulphide
(CdS)
nanostructures
doped
with
Titanium
oxide
(CdS/TiO2)
nanocomposites
manufactured
under
ambient
conditions
using
simple
modified
Chemical
Precipitation
technique.
crystal
structure,
thermal
stability,
recombination
photo-generated
charge
carriers,
bandgap,
surface
morphology,
particle
size,
molar
ratio,
transfer
properties
are
determined.
production
(CdS-TiO2)
their
efficient
photocatalytic
capabilities
observed.
goal
experiment
to
improve
efficiency
TiO2
visible
region
by
doping
CdS
nanocomposites.
results
showed
that
as-prepared
CdS-TiO2
exhibited
highest
activity
AB-29
dye,
its
84%.
After
1
h
30
min
light
irradiation,
while
only
68%
09%,
respectively.
observed
decolorization
rate
also
higher
case
photocatalyst
~
5.8
×
10-4mol
L-1
min-1)
as
compared
reported
4.5
min-1
0.67
min-1.
This
increased
effectiveness
been
accomplished
reduced
carrier
result
improved
separation
extension
response
light.
