Research Square (Research Square),
Год журнала:
2023,
Номер
unknown
Опубликована: Авг. 31, 2023
Abstract
Heterogeneous
photocatalysis
plays
a
vital
character
in
the
degradation
of
organic
dyes
and
their
by-products,
which
pose
threat
to
aquatic
terrestrial
life
if
discharged
wastewater.
Herein,
we
developed
one-pot
synthesis
method
for
producing
cobalt-ferrite
(CoFe
2
O
4
)
nickel-ferrite
(NiFe
nanoparticles
via
co-precipitation
technique.
Then
prepared
five
different
nanocomposite
beads,
including
chitosan
Chi-CoFe
-1
,
-2
Chi-NiFe
an
aqueous
acidic
system.
All
beads
were
structurally
characterized
by
Scanning
Electron
Microscope,
X-ray
Diffraction,
Fourier
Transform
Infrared
Spectroscopy
analysis.
Further,
as-prepared
utilized
photo-degradation
Eriochrome
black
T,
(EBT)
Congo
red
(CR)
dyes.
The
outcomes
demonstrated
that,
after
110
min
visible
light
illumination,
maximum
EBT
dye
reached
93%.
While
CR
92%
within
90
.
corresponding
turnover
frequencies
1257.5
kg
−
1
/sec,
1287
1318.18
1363
1393
respectively.
Furthermore,
numbers
2.26x10^7
Kg
2.3×10×7
2.37×10×7
2.45×10×7
2.5x10×7
/sec
Chitosan
Chi/CoFe
Chi/NiFe
Based
on
findings,
it
can
be
concluded
that
engineered
have
significant
potential
visible-light-driven
catalytic
remediation
hazardous
These
results
also
suggest
there
is
need
further
research
photocatalytic
abatement
contaminants.
ACS Omega,
Год журнала:
2024,
Номер
9(6), С. 6093 - 6127
Опубликована: Фев. 5, 2024
Environmental
problems,
including
the
increasingly
polluted
water
and
energy
crisis,
have
led
to
a
need
propose
novel
strategies/methodologies
contribute
sustainable
progress
enhance
human
well-being.
For
these
goals,
heterogeneous
semiconducting-based
photocatalysis
is
introduced
as
green,
eco-friendly,
cost-effective,
effective
strategy.
The
introduction
of
anion
vacancies
in
semiconductors
has
been
well-known
an
strategy
for
considerably
enhancing
photocatalytic
activity
such
systems,
giving
them
advantages
promoting
light
harvesting,
facilitating
photogenerated
electron-hole
pair
separation,
optimizing
electronic
structure,
yield
reactive
radicals.
This
Review
will
introduce
effects
vacancy-dominated
photodegradation
systems.
Then,
their
mechanism
illustrate
how
vacancy
changes
pathway
degradation
efficiency
toward
pollutants
overall
performance.
Specifically,
defect
types
methods
tailoring
be
briefly
illustrated,
this
part
focus
on
oxygen
(OV)
its
recent
advances.
challenges
development
issues
engineered
defects
photocatalysts
also
discussed
practical
applications
provide
promising
research
direction.
Finally,
some
prospects
emerging
field
proposed
suggested.
All
permission
numbers
adopted
figures
from
literature
are
summarized
separate
file
Editor.
Journal of environmental chemical engineering,
Год журнала:
2024,
Номер
12(3), С. 112643 - 112643
Опубликована: Март 29, 2024
Herein
an
extensive
review
of
the
use
nanomaterials
and
dendrimers
for
water
treatment
is
presented.
The
included
in
tackling
various
challenges,
including
achieving
dye
removal,
antibacterial
effects,
photocatalysis,
heavy
metal
nanomaterial
recycling,
nanowaste
removal.
highlights
existing
literature
bottlenecks
suggests
potential
remedies,
with
a
focus
on
availability
low-cost,
recyclable,
bimetallic
nanomaterials.
Moreover,
significance
taking
into
account
practical
sample
collection
analysis,
such
as
industrial
effluents
samples
analysis.
provides
valuable
insights
advances
development
nanomaterial-based
technologies
by
critically
examining
research.
Reviews in Chemical Engineering,
Год журнала:
2024,
Номер
40(7), С. 785 - 813
Опубликована: Апрель 3, 2024
Abstract
Recently,
the
removal
of
tetracycline,
a
toxic
material,
from
aquatic
medium
has
been
trending
subject
research.
Several
different
technologies
including
adsorption,
biological
method,
solvent
extraction,
coagulation,
chemical
reduction,
photocatalysis
and
ion
exchange
method
for
tetracyclines
wastewater
have
reported.
However,
(TC)
gained
huge
interest
because
more
efficient
mineralization
TC
into
CO
2
water.
nanomaterial
based
photocatalytic
assemblies
widely
reported
which
not
critically
reviewed
in
literature.
This
study
provides
an
overview
recent
progress
classification,
synthesis,
characterizations,
mechanism
inorganic
metal
organic
framework
nanocatalytic
on
medium.
Additionally,
kinetics
factors
affecting
discussed
briefly.
Future
perspectives
also
presented
further
advancement
this
area.
